CARLO GAVAZZI EM24 IS-R2-O2 Series User manual

EM24 IS-R2-O2-XX
USER MANUAL
MANUALE UTENTE
BETRIEBSANLEITUNG
MANUEL D’EMPLOI
INSTRUCCIONES DE USO
BRUGERMANUAL

EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
EM24 IS-R2-O2-XX
Three-phase energy analyzer
USER MANUAL

3EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Contents
EM24 4
Introduction 4
Description 4
UCS (Universal Conguration Software) 4
EM24 use 5
Introduction 5
Display 5
Working with EM24 6
Working with the measurement/info menu 6
Working with the settings menu 6
Resetting partial energy meter 6
Setting a parameter 7
Menu description 8
Measurement menu - measurement pages 8
Information Menu 10
Settings from EM24 11
General settings 11
Essential information 13
Applications 13
Programming pages 15
Managing tari󰀨s via Modbus command 15
Managing tari󰀨s via digital inputs 15
Frontal LED 16
Frontal selector 16
Alarm types 16
Maintenance and disposal 18

4EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Information property
Copyright © 2020, CARLO GAVAZZI Controls SpA
All rights reserved in all countries.
CARLO GAVAZZI Controls SpA reserves the right to apply modifications or make improvements to the relative documentation
without the obligation of advance notice.
Safety messages
The following section describes the warnings related to user and device safety included in this document:
NOTICE: indicates obligations that if not observed may lead to damage to the device.
CAUTION! Indicates a risky situation which, if not avoided, may cause data loss.
IMPORTANT: provides essential information on completing the task that should not be neglected.
General warnings
This manual is an integral part of the product and accompanies it for its entire working life. It should be consulted for all
situations tied to configuration, use and maintenance. For this reason, it should always be accessible to operators.
NOTICE: no one is authorized to open the analyzer. This operation is reserved exclusively for CARLO GAVAZZI technical
service personnel.
Protection may be impaired if the instrument is used in a manner not specified by the manufacturer.
Service and warranty
In the event of malfunction, fault, requests for information, contact the CARLO GAVAZZI branch or distributor in your country.
Installation and use of analyzers other than those indicated in the provided instructions void the warranty.
Download
This manual www.productselection.net/MANUALS/UK/EM24_im_use.pdf
Installation instruction - EM24 www.productselection.net/MANUALS/UK/EM24_im_inst.pdf
UCS software www.productselection.net/Download/UK/ucs.zip

5EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
EM24
Introduction
EM24 is a three-phase energy analyzer for DIN-rail mounting, with configuration joystick, frontal selector and LCD display.
The direct connection version (AV2, AV9) allows to measure up to 65 A, the CT connection version (AV5, AV6) allows to measure higher cur-
rents by means of current transformers (5 A secondary output).
Description
AV2, AV9 AV5, AV6
Part Description
ALCD display
BVoltage/current connections
CJoystick
DSelector with pin for MID seal (programming block)
EInputs/outputs or communication port
FPins for MID seal (protection covers included)
UCS (Universal Conguration Software)
UCS desktop is available for free download. It can be connected to EM24 IS model via RS485 (Modbus RTU) .
The following is possible with UCS:
• configure EM24 (online or offline)
• view system status for diagnostics and configuration checks function overview

EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA6EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
EM24 use
Introduction
EM24 is organized in two menus:
• measurement and information menu: pages used to display the measurement pages, information relevant to the programmed parameters
and instrument firmware release
• settings menu: pages used to set parameters
Display
The display is divided into 3 lines.
Symbol Description
Displaying of water cubic meters
Displaying of gas cubic meters
Displaying of phase-to-neutral system voltage
Displaying of phase-to-phase system voltage
Displaying of max values
User ID
Displaying of system variables
Displaying of dmd variables
EEEE
Overflow.
Note: the DMD calculation, the hour-counter and the
energy meters functions are inhibited and the alarm
outputs are activated. The indication “EEEE” in a single
phase variable automatically implies the overflow condi-
tion of the relevant system variable, and the PF indica-
tion is forced to “0.000”.

7
EM24 IS use
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Working with EM24
Working with the measurement/info menu
Working with the settings menu
Resetting partial energy meter
Step Action Button
1 Press the button for at least 3 seconds
2 In the PASS page, set the password 1357
3Confirm operation
4 In the rESEt page, set YES
5Confirm operation
to next measurement page
to previous measurement page
to sengs menu
to previous info page to next info page
increase a parameter value
decrease a parameter value
edit/conrm
to previous page to next page

8
EM24 IS use
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Step Action Button
6In the EnE PrES page, set YES
7 Confirm operation
Setting a parameter
Example procedure: how to set Ct rAtio=20 and save changes.
Step Action Button
1 Power on the energy analyzer
2Press the joystick for at least 3 seconds
3 In the PASS? page, select the correct password (default 0)
4Confirm operation
5 Scroll pages until Ct rAtio
6 Enter the editing mode
7 Select 20
8 Confirm operation
9Scroll pages until End to exit

9
EM24 IS use
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Menu description
Measurement menu - measurement pages
The displayed pages depend on the application set and digital input settings.
Page Displayed measurements Description
1
L1-L2-L3
VLNΣ
Hz
Phase sequence
System phase-neutral voltage
Frequency
2
L1-L2-L3
VLLΣ
Hz
Phase sequence
System phase-phase voltage
Frequency
3
Tot kWh (+)
WΣ dmd
WΣ dmd max
Total imported active energy
System active power dmd
System active power dmd max
4
kWh
A dmd max
PArt
Partial imported active energy
Maximum dmd current
5
Tot kvarh (+)
VAΣ dmd
VAΣ dmd max
Total imported reactive energy
System apparent power dmd
System apparent power dmd max
6
kvarh
VAΣ
PArt
Partial imported reactive energy
System apparent power
7*
Totalizer 1
(tAr, GAS, m3 Cold, m3 Hot,
kWh tot, kWh out, rEM, SYnC)
multi-tari󰀨 management, gas metering, cold water metering, hot water metering, distant heating
(kWh) meters, reading of an external energy counter, for reading the digital input status by means
of serial communication, dmd calculation synchronisation
Pulse input 1
8*
Totalizer 2
(tAr, GAS, m3 Cold, m3 Hot,
kWh tot, kWh out, rEM, SYnC)
multi-tari󰀨 management, gas metering, cold water metering, hot water metering, distant heating
(kWh) meters, reading of an external energy counter, for reading the digital input status by means
of serial communication, dmd calculation synchronisation
Pulse input 2
9*
Totalizer 3
(GAS, m3 Cold, m3 Hot, kWh
tot, kWh out, rEM, Sync)
gas metering, cold water metering, hot water metering, distant heating (kWh) meters, reading of
an external energy counter, for reading the digital input status by means of serial communication
Pulse input 3
10*
kWh (+)
t1
WΣ dmd
Imported active energy, tariff 1
System active power dmd
11*
kWh (+)
t2
WΣ dmd
Imported active energy, tariff 2
System active power dmd
12*
kWh (+)
t3
WΣ dmd
Imported active energy, tariff 3
System active power dmd
13*
kWh (+)
t4
WΣ dmd
Imported active energy, tariff 4
System active power dmd
14*
kvarh (+)
t1
WΣ dmd
Imported reactive energy, tariff 1
WΣ dmd
15*
kvarh (+)
t2
WΣ dmd
Imported reactive energy, tariff 2
WΣ dmd
16*
kvarh (+)
t3
WΣ dmd
Imported reactive energy, tariff 3
WΣ dmd
17*
kvarh (+)
t4
WΣ dmd
Imported reactive energy, tariff 4
WΣ dmd
18
kWh (+) X
W X
User X
Imported active energy
Active power
User
19
kWh (+) Y
W Y
User Y
Imported active energy
Active power
User

10
EM24 IS use
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
20
kWh (+) Z
W Z
User Z
Imported active energy
Active power
User
21
Total kvarh (-)
VAΣ dmd
VAΣ dmd max
Total exported reactive energy
System apparent power dmd
System apparent power dmd max
22
Total kWh (-)
WΣ dmd
WΣ dmd max
Total exported active energy
System active power dmd
System active power dmd max
23
Hours
WΣ
PFΣ
Total load operating hours
System active power
System power factor
24
Hours
VArΣ
PFΣ
Total load operating hours
System reactive power
System power factor
25
var L1
var L2
var L3
Phase 1 reactive power
Phase 2 reactive power
Phase 3 reactive power
26
VA L1
VA L2
VA L3
Phase 1 apparent power
Phase 2 apparent power
Phase 3 apparent power
27
PF L1
PF L2
PF L3
Phase 1 power factor
Phase 2 power factor
Phase 3 power factor
28
W L1
W L2
W L3
Phase 1 active power
Phase 2 active power
Phase 3 active power
29
A L1
A L2
A L3
Phase 1 current
Phase 2 current
Phase 3 current
30
V L1-2
V L2-3
V L3-1
Phase 1-phase 2 voltage
Phase 2-phase 3 voltage
Phase 3-phase 1 voltage
31
V L1
V L2
V L3
Phase 1 voltage
Phase 2 voltage
Phase 3 voltage
*IS model only.
Note: in programming mode, the last displayed page is stored.
Measurement menu - measurement pages. SFA models
The displayed pages depend on the application set.
Page Displayed measurements Description
1 Tot kWh (+) Total imported active energy
2
V L1
V L2
V L3
Phase 1 voltage
Phase 2 voltage
Phase 3 voltage
3
A L1
A L2
A L3
Phase 1 current
Phase 2 current
Phase 3 current
4
PF L1
PF L2
PF L3
Phase 1 power factor
Phase 2 power factor
Phase 3 power factor
Note: in programming mode, the last displayed page is stored.

11
EM24 IS use
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Information Menu
IS model
Page Page title Information displayed
1Sn Secondary address
2 SEriAL Serial port, RS484 status
3Ut ratio VT/PT ratio
4CT ratio CT ratio
5
1P/2P/3P/3Pn
(2-3-4-wire)
dmd (time)
System
Connection (2-3-4-wire)
Dmd integration time (min.)
6Pulse LED pulse weight (number of kWh/kvarh per pulse)
7 Year Firmware release
Year of production
Note: in SFA models pages 1 and 5 are not available
O2/R2 model
Page Page title Information displayed
1 Pulse 2/Al 2
Output 2:
pulse weight, if set as pulse output (number of kWh/kvarh per pulse)
alarm status, linked variable, set point (if set as alarm output)
2Pulse 1/Al 1
Output 1:
pulse weight, if set as pulse output (number of kWh/kvarh per pulse)
alarm status, linked variable, set point (if set as alarm output)
3Ut ratio VT/PT ratio
4CT ratio CT ratio
5
1P/2P/3P/3Pn
(2-3-4-wire)
dmd (time)
System
Connection (2-3-4-wire)
Dmd integration time (min.)
6Pulse LED pulse weight
7Year Firmware release
Year of production
Note: in SFA models page 5 is not available
X model
Page Page title Information displayed
1Ut ratio VT/PT ratio
2CT ratio CT ratio
3
1P/2P/3P/3Pn
(2-3-4-wire)
dmd (time)
System
Connection (2-3-4-wire)
Dmd integration time (min.)
4Pulse LED pulse weight (number of kWh/kvarh per pulse)
5Year Firmware release
Year of production

12
Congure the system
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Settings from EM24
General settings
The available settings depend on the model and application set.
Page title Sub-menu Description Values Default value
Cng PASS - Change password From 0 to 9999 0
APPLiCAt Application tYP.A
tYP.b
tYP.C
tYP.d
tYP.E
tYP.F
tYP.G
tYP.H
tYP.b
User USEr 1 User From 1 to 9999 1
USEr 2 From 1 to 9999 2
USEr 3 From 1 to 9999 3
SELECtor SELEC. 1 Page displayed according to selector
position among the available pages for
each application (see “Frontal selector”
on page 17)
From 1 to 31 1
SELEC. 2 From 1 to 31 28
SELEC. 3 From 1 to 31 31
SELEC.LoC From 1 to 31 3
SYS - System 3P.n
3P.1
2P
1P
3P
Note: MID (PFA, PFB): only 3P.n
3P.n
Ut rAtio - Voltage transformer ratio (VT) From 1 to 6000 1
Ct rAtio - Current transformer ratio (CT) From 1 to 60000 1
P int.ti - Dmd integration time (min) From 1 to 30 15
diG in 1 diG in 1 Function tAr, GAS, m3 Cold, m3 Hot, kWh tot, kWh out, rEM, SYnC SYnC
Prescal 1 Pulse weight From 0.01 to 99.99 10
diG in 2 diG in 2 Function tAr, GAS, m3 Cold, m3 Hot, kWh tot, kWh out, rEM, SYnC SYnC
Prescal 2 Pulse weight From 0.01 to 99.99 10
diG in 3 diG in 3 Function GAS, m3 Cold, m3 Hot, kWh tot, kWh out, rEM -
Prescal 3 Pulse weight From 0.01 to 99.99 10
FiLtEr.S - Interval of lter intervention with respect
to full scale (%)
From 0 to 100 2
FiLtEr.Co - Filter coefcient From 1 to 32 2
AddrESS AddrESS Serial address From 1 to 247 1
bAudrAtE Baud rate 4.800 or 9.600 9600
diG out 1
diG out 1 Function kWh pulse, kvarh pulse and alarm variables kWh pulse
PULSE ou.1 Pulse weight From 0.001 to 10.00 0.001
ton out.1 Pulse duration 30 ms or 100 ms 30 ms
test Pu.1 Pulse test activation no/yes no
P test 1 Simulated power for pulse test From 0 to 9999 1000
on AL 1 activation set point From 0 to 70 000 000 0
off AL 1 deactivation set point From 0 to 70 000 000 0
t del 1 activation delay From 0 to 255 s 0
out 1 normal status nE (normally energized)
nd (normally denergized)
nd

13
Congure the system
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
diG out 2
diG out 2 Function kWh pulse, kvarh pulse and alarm variables kWh pulse
PULSE ou.2 Pulse weight From 0.001 to 10.00 0.001
ton out.2 Pulse duration 30 ms or 100 ms 30 ms
test Pu.2 Pulse test activation no/yes no
P test 2 Simulated power for pulse test From 0 to 9999 1000
on AL 2 activation set point From 0 to 70 000 000 0
off AL 2 deactivation set point From 0 to 70 000 000 0
t del 2 activation delay From 0 to 255 s 0
out 2 normal status nE (normally energized)
nd (normally denergized)
nd
Ene t.rES Reset of all the total counters YES/no no
End - Exit and save - -
General settings - SFA models
The available settings depend on the model and application set.
Page title Sub-menu Description Values Default value
Cng PASS - Change password From 0 to 9999 0
FiLtEr.S - Interval of lter intervention with respect
to full scale (%)
From 0 to 100 2
FiLtEr.Co - Filter coefcient From 1 to 32 2
AddrESS AddrESS Serial address From 1 to 247 1
bAudrAtE Baud rate 4.800 or 9.600 9600
diG out 1
diG out 1 Function kWh pulse and alarm variables kWh pulse
PULSE ou.1 Pulse weight From 0.001 to 10.00 0.001
ton out.1 Pulse duration 30 ms or 100 ms 30 ms
test Pu.1 Pulse test activation no/yes no
P test 1 Simulated power for pulse test From 0 to 9999 1000
on AL 1 activation set point From 0 to 70 000 000 0
off AL 1 deactivation set point From 0 to 70 000 000 0
t del 1 activation delay From 0 to 255 s 0
out 1 normal status nE (normally energized)
nd (normally denergized)
nd
diG out 2
diG out 2 Function kWh pulse and alarm variables kWh pulse
PULSE ou.2 Pulse weight From 0.001 to 10.00 0.001
ton out.2 Pulse duration 30 ms or 100 ms 30 ms
test Pu.2 Pulse test activation no/yes no
P test 2 Simulated power for pulse test From 0 to 9999 1000
on AL 2 activation set point From 0 to 70 000 000 0
off AL 2 deactivation set point From 0 to 70 000 000 0
t del 2 activation delay From 0 to 255 s 0
out 2 normal status nE (normally energized)
nd (normally denergized)
nd
End - Exit and save - -

14
Essential information
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Essential information
Measurement management
Applications
Note: if an application with easy connection is selected, for the calculation of the active energy the power is always integrated, both in the case of imported
and exported power . The current direction does not affect the measurement. If an application without easy connection is selected, both the active imported
and exported are available.
Application Measurements Easy connection
A
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported active energy
• active power dmd and dmd max
YES
B
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported active energy
• active power dmd and dmd max
• total imported reactive energy
• apparent power dmd and dmd max
YES
C
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported active energy
• active power dmd and dmd max
• imported active and reactive energy by tariff
• Totalizer 1/2/3
YES
D
Single phase:
• imported active energy
• voltage
YES
E
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported and exported active energy
• active power dmd and dmd max
• run hour meter
• active power
• power factor
NO
F
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported and exported active energy
• active power dmd and dmd max
• phase-phase voltage
• active energy
• maximum dmd current
• partial active energy
• total imported and exported reactive energy
• apparent power, dmd and dmd max
• partial reactive energy
• run hour meter
• active power
• power factor
• Totalizer 1/2/3
NO

15
Essential information
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
G
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported active energy
• active power dmd and dmd max
• phase-phase voltage
• active energy
• maximum dmd current
• partial active energy
• total imported reactive energy
• apparent power, dmd and dmd max
• reactive energy
• run hour meter
• active power
• active power dmd
• reactive power
• power factor
• imported active and reactive energy by tariff
Single phase:
• reactive power per phase
• apparent power per phase
• power factor per phase
• active power per phase
• current per phase
• line-line voltages
• line-neutral voltages
• Totalizer 1/2/3
YES
H
System:
• phase sequence
• phase-neutral voltage
• frequency
• total imported and exported active energy
• active power dmd and dmd max
• phase-phase voltage
• active energy
• maximum dmd current
• partial active energy
• total imported and exported reactive energy
• apparent power, dmd and dmd max
• reactive energy
• run hour meter
• active power
• active power dmd
• reactive power
• power factor
• imported active and reactive energy by tariff
Single phase:
• reactive power per phase
• apparent power per phase
• power factor per phase
• active power per phase
• current per phase
• line-line voltages
• line-neutral voltages
• Totalizer 1/2/3
NO

16
Essential information
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Programming pages
The following table shows which programming pages are available for each application, according to the model.
Page Application
A B C D E F G H
Cng PASS xxxxxxxx
APPLiCAt xxxxxxxx
User - - - x- - - -
SELECtor - xx-x x x x
SYS x x x -x x x x
Ut rAtio xxxxxxxx
Ct rAtio xxxxxxxx
P int.ti xxx-x x x x
diG in - x-xxxxx
FiLtEr.S - - - - - xxx
FiLtEr.Co - - - - - xxx
AddrESS xxxxxxxx
Dig Out 1 x x x -x x x x
Dig Out 2 x x x -x x x x
Ene t.rES xxxxxxxx
End xxxxxxxx
Tariff management (IS model)
Managing tari󰀨s via Modbus command
Change the tariff by entering the value corresponding to the current tariff according to the following table in the 1127h registry (04h or 06h
Modbus function):
Current
tariff
Register
value
T1 005Ah (90d)
T2 015Ah (346d)
T3 025Ah (602d)
T4 035Ah (858d)
Note: Modbus tariffs management is disabled by writing 0 in register 1127h. The tariff management is not available in SFA models
Managing tari󰀨s via digital inputs
1. Set diG in 1 and diG in 2 as “tAr”.
2.Change tariff by changing input status according to the table below:
Current
tariff input 1 input 2
T1 ON ON
T2 OFF ON
T3 ON OFF
T4 OFF OFF
Note: the tariff management is not available in SFA models

17
Essential information
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Frontal LED and selector
Frontal LED
The frontal red LED flashes proportionally to the active imported energy consumption if the selector is in - 1 - 2 position, and to the reactive inductive
energy consumption in kvarh position. Any kind of negative (exported) energy will not be managed by the front LED.
Frontal selector
• Lock position: the frontal selector prevents from accessing the programming mode
• 1, 2, 3 (kvarh )position: quick access to measuring pages. Each position is associated with one measuring page according to the following table:
Application Selector position Page available
ALock 3
1,2,3 (kvarh ) 1
B, C, E, F, G, H Lock, 1, 2, 3 (kvarh ) Can be set from 1 to 31
C
Lock, 1, 2, 3 (kvarh ) Can be set from 1 to 31
D
Lock 31
1 18
219
3 (kvarh )20
Alarm types
Up alarm (on Al 1 ≥ off Al)
The alarm activates when the monitored variable exceeds the on Al value for a time equal to the activation delay (t del) and deactivates when
the values drops below off Al.

EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA18
Essential information
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Down alarm (on Al < off Al)
The alarm activates when the monitored variable drops below the on Al value for a time equal to the activation delay (t del) and deactivates
when it exceeds off Al.

19
Maintenance and disposal
EM24 IS - Instruction manual | CARLO GAVAZZI Controls SpAEM24 IS - Instruction manual | CARLO GAVAZZI Controls SpA
Maintenance and disposal
Cleaning
Use a slightly dampened cloth to clean the display. Do not use abrasives or solvents.
Responsibility for disposal
The product must be disposed of at the relative recycling centers specified by the government or local public authorities. Correct disposal
and recycling will contribute to the prevention of potentially harmful consequences to the environment and persons.

EM24 IS-R2-O2-XX - User manual
2020-02 | Copyright © 2020
CARLO GAVAZZI Controls SpA
via Safforze, 8
32100 Belluno (BL) Italy
www.gavazziautomation.com
[email protected]
info: [phone]
fax: [phone]