janitza UMG 96-PA User manual

1 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
1
2
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
1
2
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
4
2Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection

2 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly
Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
4
2Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly
Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection

3 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection

4 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection

5 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection

6 / 6
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection
General information
12
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. [phone]
fax [phone]
email: [email protected]
www.janitza.com
www.janitza.com
Doc. no. 2.061.015.1e 10/2018
Power Analyzer
UMG 96-PA
Installation instructions
Installation
Device settings
3
14
42 Safety
Safety instructions
The installation instructions do not include
a complete list of all safety measures necessary
for operating the device.
Special operating conditions may require
additional measures. The installation
instructions contain notes that must be
observed for your personal safety and to
prevent property damage.
Used symbols:
cThis symbol as a supplement to
the safety instructions indicates
an electrical hazard.
mThis symbol as a supplement to
the safety instructions indicates
a potential hazard.
CThis symbol with the word NOTE!
describes:
• Procedures that do not pose
any risk of injuries.
• Important information,
procedures or operations.
Safety instructions are highlighted by a warning
triangle and represented as follows depending
on the level of risk:
m
DANGER!
Indicates an imminent danger
that will result in serious and/or
fatal injuries.
m
WARNING!
Indicates a potentially dangerous
situation that can result in serious
injuries or death.
m
CAUTION!
Indicates a potentially dangerous
situation that can result in minor
injuries or property damage.
Safety measures
When operating electrical devices, specific
parts of these devices inevitably carry
dangerous voltage. As a result, serious bodily
harm or property damage can occur if they are
not handled correctly:
• Before connecting the device, ground
it at the protective conductor terminal
if available.
• Dangerous voltages may be present in
all circuit parts connected to the voltage
supply.
• There may still be dangerous voltages present
in the device even after it is disconnected
from the supply voltage (capacitor storage).
• Do not operate operating equipment with
open current transformer circuits.
• Do not exceed the limit values specified in
the user manual and on the rating plate. This
must also be observed during inspections and
commissioning.
• Observe the safety instructions and warning
notices in the documents that accompany the
devices.
Qualified personnel
To prevent personal injuries and property
damage, only qualified personnel with electrical
engineering training may work on the device.
They must also have knowledge
• Of the national accident prevention
regulations
• In safety technology standards
• In the installation, commissioning and
operation of the device.
Intended use
The device is
• intended for installation in switching cabinets
and small installation distributors. The device
can be installed in any mounting position
(please observe section 3 “Assembly”).
• not intended for installation in vehicles.
Using the device in mobile equipment
is considered an unusual environmental
condition and is only permissible by special
agreement.
• not intended for installation in areas exposed
to harmful oils, acids, gases, vapors, dust
and radiation, etc.
The prerequisites for smooth and safe operation
of the device include proper transport, storage,
setup and assembly, as well as proper operation
and maintenance.
The UMG 96-PA is a multifunctional power
analyzer that:
• measures and calculates electrical
parameters, such as voltage, current,
frequency, power, work, harmonics
(up to the 25th order), etc. in building
installations, on distribution units,
circuit breakers and busbar trunking
systems.
• displays and saves measurement results
and transfers them via interfaces.
Brief device description
Install the UMG 96-PA in the weather-protected
front panel of switching cabinets.
Cut-out size:
92+0.8 x 92+0.8 mm
Please ensure the following:
Sufficient ventilation
• Install the device vertically.
• Observe the clearance to
adjacent components.
Fig. mounting position
rear view of UMG 96-PA
Assembly Connecting the supply voltage
The supply voltage level for your device is
specified on the rating plate. After connecting the
supply voltage, a display appears. If no display
appears, check whether the supply voltage is
within the rated voltage range.
Fuse
(UL/IEC listed)
Circuit breaker
13
m
CAUTION!
Property damage due to noncompliance with the assembly instructions
Noncompliance with the assembly instructions can damage or destroy your device.
Ensure sufficient air circulation in your installation environment and, where applicable, sufficient
cooling with high ambient temperatures.
CNOTE!
You can find more detailed information about the device functions, data and assembly in the user
manual.
Configuration for a RS485
connection
After the power returns, the device displays the
first “Summary” measured value display.
• Press key 1 “Esc”.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Configuration” menu and confirm the
selection with key 6 “Enter”.
• Using the corresponding keys, select the
“Communication” menu and confirm the
selection with key 6 “Enter”.
• Set the device address, baud rate and data
frame. To do this, select the menu item and
confirm it with key 6 “Enter”.
• Using keys 3 and 4, select the number or
the displayed options. Select the number
position for numeric entries using keys 2
and 5.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the “Communication” menu with key
1 “Esc”.
• Open the overview menu using key 1 “Esc"
2 x.
• Select the desired display using keys 3 and
4. Confirm using key 6 “Enter”.
Disclaimer
It is essential that the information products
for the devices are observed to ensure
safe operation and achieve the specified
performance characteristics and product
features. Janitza electronics GmbH assumes
no liability for personal injuries, property
damage and financial losses resulting from the
failure to observe the information products.
Make sure that your information products are
legible and accessible.
You can find more documentation on our
web site www.janitza.com under Support >
Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing,
distribution and any other kind of use, even in
part, is prohibited.
Subject to technical changes.
• Make sure that the installation instructions
match your device.
• First, make sure you have read and
understood the document accompanying
the product.
• Keep the documents accompanying the
product accessible through its service life
and hand them over to the subsequent
owner where applicable.
• Please refer to www.janitza.com for
information concerning device revisions
and the associated adjustments to the
documentation accompanying the product.
Disposal
Please observe the national regulations.
Dispose of individual parts, where necessary,
depending on the properties and existing
country-specific regulations, e.g. as:
• Electronic waste
• Plastic
• Metal
or commission a certified disposal company
with the scrapping.
Relevant laws,
applied standards and directives
Please refer to the Declaration of Conformity
on our web site (www.janitza.com) for the
laws, standards and directives applied by
Janitza electronics GmbH.
Voltage measurement
Three-phase 4-conductor
systems with nominal
voltages up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
Three-phase 3-conductor
systems with nominal
voltages up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Rated surge voltage 6 kV
Fuse for the voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Measuring range L-N 01) .. 600 Vrms
(max. overvoltage 800 Vrms)
Measuring range L-L 01) .. 1040 Vrms
(max. overvoltage 1350 Vrms)
Resolution 0.01 V
Crest factor 2.45 (related to the measurement
range)
Impedance 3 MΩ/phase
Power consumption Approx. 0.1 VA
Sampling frequency 8.33 kHz
Frequency of the basic
oscillation - resolution
45 Hz .. 65 Hz
0.01 Hz
1) ... The device only determines the measured values if voltage
L1-N is greater than 20 Veff (4-conductor measurement)
or voltage L1-L2 is greater than 34 Veff (3-conductor
measurement) on voltage measurement input V1.
Current measurement
Rated current 5 A
Measuring range 0.005 .. 6 A rms
Crest factor
(based on the rated current 2 (based on 6 A rms)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Rated surge voltage 2 kV
Power consumption Approx. 0.2 VA (Ri=5 mΩ)
Sampling frequency 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage Max. 33 V AC, 60 V DC
Switching current Max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulse) Max. 50 Hz
Serial interface
RS485 - Modbus RTU/slave 9.6 kbps, 19.2 kbps, 38.4
kbps, 57.6 kbps, 115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs and outputs, analog output)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.2 - 2.5 mm2, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fine-stranded 0.2 - 1.5 mm2, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Only one conductor can be connected per terminal.
Single core, multi-core,
fine-stranded 0.08 - 4.0 mm2, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. supply voltage connection.
5
m
CAUTION!
Property damage due to
noncompliance of the
connection conditions or
impermissible overvoltages
Noncompliance of the connection
conditions or exceeding the permissible voltage
range can damage or destroy your device.
Before you connect the device to the supply
voltage, please observe the following:
• The voltage and frequency must comply
with the specifications on the rating plate.
Observe the limit values as described in
the user manual.
• In building installations, secure the supply
voltage with a UL/IEC-listed circuit
breaker/fuse.
• The circuit breaker
- must be easily accessible for the user
and located in the vicinity of the device.
- must be labeled for the respective
device.
• Do not tap the supply voltage at the
voltage transformers.
• Provide a fuse for the neutral conductor
if the neutral conductor connection is not
grounded to the source.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death
due to:
• Touching live exposed or stripped cores.
• Device inputs that are dangerous to touch.
Before starting work, disconnect your
system from the power supply. Verify that
there is no current.
6Voltage measurement
The device has 3 voltage inputs and is suitable
for different connection versions.
m
CAUTION!
Risk of injury or
damage to device
Noncompliance with the connection conditions
for the voltage measurement inputs can injure
you or damage the device.
Therefore, please note the following:
• The voltage measurement inputs
- must not be connected to DC current.
- must be provided with a suitable, labeled
fuse and circuit breaker (alternative:
miniature circuit breaker) in their
immediate vicinity.
- are dangerous to touch.
• Voltages that exceed the allowed nominal
network voltages must be connected via
voltage transformers.
• Measured voltages and measured currents
must originate from the same network.
CNOTE!
Alternative to the fuse and circuit breaker,
you can also use a miniature circuit
breaker.
“Direct current measurement in a three-phase
4-conductor system” connection version
The voltage measurement inputs are designed for
measurements in the low-voltage networks in which
nominal voltages occur up to
• 417 V phase to ground and 720 V phase to
phase in the 4-conductor system.
The rated voltages and surge voltages correspond
to overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):
The device can be used
• in TN and TT networks
• residential and industrial sectors.
7Voltage measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Voltage measurement in the
three-phase 4-conductor
system
Voltage measurement in the
single-phase 3-conductor
system
V1V2V3VNV1V2V3VN
8
The device
• is only approved for a current measurement
using the current transformer.
• is designed for the connection of current
transformers with secondary currents of
../1 A and ../5 A.
• has the current transformer ratio set to 5/5 A
by default.
• measures small DC currents
The current transformers must feature basic
insulation according to IEC 61010-1:2010 for
the nominal voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage.
It may result in serious bodily harm or death due
to:
• Touching live exposed or stripped cores.
• Device and current transformer inputs that are
dangerous to touch.
Before starting work, disconnect your system
from the power supply. Verify that there is no
current.
Ground the system. Use the ground connection
point with the ground symbol for this.
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to high
currents and high electrical
voltages.
Open current transformers that are operated
on the secondary side (high voltage spikes) can
result in serious bodily harm or even death.
Avoid the open operation of the current
transformers. Overloaded transformers
short circuit.
9Current measurement connection versions
Three-phase 4-conductor
systems
Single phase 3-conductor
systems
Current measurement via
the current transformer in the
three-phase 4-conductor system
Current measurement in the sin-
gle-phase 3-conductor system
Three-phase 4-conductor
systems
Current measurement via 2
current transformers in the three-
phase 4-conductor system
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
If the measuring range is exceeded, the
device display shows the warning notice
Measuring range exceeded and specifies
the current and voltage path.
You can find more information in the user
manual.
CNOTE!
You can easily configure the voltage
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
CNOTE!
You can easily configure the current
transformer ratios via
• the device menu Configuration >
Measurement > Measurement
• the GridVis® software.
You can find more detailed information
about the current and voltage transformer
ratios and their setting in the user manual.
10 Establishing the connection to the PC
The most common connections for the
communication between the PC and device:
m
CAUTION!
Property damage due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network.
Consult your network administrator for the
correct network settings for your device.
You can find more detailed information
about the device configuration and
communication starting in step 12.
Fig. rear of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection via
interface converter.
RS232 RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection via
interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Device connection via a UMG 604
as a gateway.
UMG 604 RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection to the device via the RS485
serial interface with, e.g. a UMG 604 as the gateway
(see section “Establishing the connection to the
PC”) is a method for configuring the device/
• devices and
• reading out data.
Correct
Incorrect
Terminal strip
(Switching cabinet).
Device with RS485
interface
(without terminating
resistor).
Device with RS485
interface
(terminating resistor on
the device).
Example: PC connection via RS485 interface and UMG 604 as the gateway
RS485 bus structure
• Connect all devices in the RS485 bus structure
(line) according to the master/slave principle.
• A segment of a RS485 bus structure can
contain up to 32 participants/devices.
CNOTE!
Using the corresponding menu items,
assign the slave devices (UMG 96-PA) in
the RS485 bus structure
• Different device addresses
• Different device addresses compared
to the master device (UMG 604)
• The same transmission rate (baud
rate)
• The same data frame
e.g. connection
to the UMG 604
as a gateway
(master)
e.g. connection
of additional
slave devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable with termination resistors
(120 Ω, 0.25 W) at the beginning and end of
a segment. The device does not contain a
termination resistor.
• With more that 32 participants, use
repeaters to connect segments.
12
The UMG 96-PA is operated via 6 function
buttons for
• selecting measured value displays.
• Navigation within the menus.
• Editing device settings.
Key Function
• Displays selection menu
• Exits selection menu
• Cancels action
• Selects position (to the left)
• Selects menu item
• Changes (selection, number -1)
• Selects menu item
• Changes (selection, number +1)
• Selects position (to the left)
• Confirm selection
Control and button functions
Function key
label
Display title
Measurement
values
Function keys
Fig. UMG 96 CM measured value displays
CNOTE! Current and voltage
transformer ratios.
You can easily configure the current and
voltage transformer ratios via
• the menu Configuration >
Measurement
• the GridVis® software.
CNOTE!
You can find more detailed information
about the device operation, displays
and key functions in the user manual.
16 Procedure in the event of errors
Possible error Cause Remedy
No display External fuse for the power supply voltage has
tripped. Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measurement current.
Current displayed is too large
or too small.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed. Read out and program the current transformer
transformation ratio at the current transformer.
Current harmonics exceed the current peak value at
the measurement input Install current transformer with a larger CT ratio.
The current at the measurement input was not
achieved.
Install current transformer with a smaller current
transformer ratio.
Voltage displayed is too large
or too small.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed. Read out and program the voltage transformer ratio
at the voltage transformer.
Voltage displayed
is too small.
Measurement range exceeded. Install voltage transformers.
The peak voltage value at the measurement input has
been exceeded by harmonic components.
Caution! Ensure the measurement inputs are not
overloaded.
"EEE" in the display See “Error messages” in the user manual.
Device still does not work
despite the above measures. Device defective. Send the device to the manufacturer for inspection and testing.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present 18 V .. 28 V DC
(typical 4 mA)
Input signal not present 0 .. 5 V DC,
current less than 0.5 mA
Analog output
External power supply Max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 Bit
Programming the current/voltage
transformer
• Press key 1 “Esc” 2xto access the overview
menu.
• Using keys 3 and 4, select the “System” menu
item. Confirm using key 6 “Enter”.
• Using keys 3 and 4, select the “Configuration”
menu item. Confirm using key 6 “Enter”.
• Using the corresponding keys, select the
“Measurement” menu and confirm the
selection with key 6 “Enter”.
• Open the “Measurement” submenu with key
6 “Enter”.
• Using keys 2 to 5, select the primary or
secondary current or voltage transformer.
• 6 “Enter”, confirm to edit.
• Change the displayed value with key 3 and 4.
Using keys 2 and 5, select the number
position.
• Confirm with key 6 “Enter” or cancel the
action with key 1 “Esc”.
• Close the window using key 1 “Esc”.
• Close the “Measurement” submenu with key
1 “Esc”.
• Press key 1 “Esc” 2 x to access the overview
menu.
• Select the desired display using keys 3 and 4.
• Confirm it using key 6 “Enter”.
15 Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption 230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse, not
interchangeable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for the line
protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General information
Net weight (with attached
connectors) Approx. 250 g
Packaging weight (including
accessories) Approx. 300 g
Service life of background
lighting
40000 h
(After 40000 h, the
background lighting is
reduced to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25 C up to +70 C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA in a weather-protected, stationary
application.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range K55 (-10 C .. +55 C)
Relative humidity 0 to 75% RH
Operating altitude 0 .. 2000 m above sea level
Degree of pollution 2
Installation position Vertical
Ventilation No external ventilation required.
Protection against
foreign bodies and water
- Front
- Rear
- Front side with sealing
IP40 i.a.w. EN60529
IP20 i.a.w. EN60529
IP54 i.a.w. EN60529
Warning notice
when the measuring
range is exceeded
in the current and
voltage paths I1-I3
and U1-U3
L2
L3
N
L1
1) Circuit breaker
2) Fuse (UL/IEC-listed)
1) 1) 1)
2) 2) 2)
User manual:
Wall
Airow
Airow
Voltage
Voltage
Functional earth
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC UL-N / UL-L: 417 VLN / 720 VLL
UL UL-N / UL-L: 347 VLN / 600 VLL
L2
L3
N
L1
Last
“Current measurement via
current transformer” connection