Veris E30 series User manual

Z204998-0P Page 1 of 49 ©2015 Veris Industries 0815
Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
Installation Guide
Power Monitoring TM
*The CE mark indicates RoHS2 compliance. Please refer to the CE Declaration of
Conformity for additional details.
E30 Series
Branch Circuit Power Meter
Product Overview
The E30 Series Branch Circuit Power Meter is a device designed to measure the current, and on some models, the
voltage and energy consumption of up to 92 circuits (84 branch circuits, 2 3-phase mains, 2 neutrals) on a single
board.
The E30 consists of a data acquisition board and up to four 21-unit current sensor strips, with eight auxiliary inputs.
The strips are mounted on each side of the panel board along the termination points of each breaker. The conductor
passes through the appropriate current sensor before terminating at the breaker. Each strip transmits the current
data to the data acquisition board. The E30 can easily accommodate different panel configurations, including any
combination of multi-phase breaker positions, voltage phase mapping, and breaker sizes. To configure the E30 for
operation, download the NetConfig configuration software tool and the E3x Commissioning Guide
Data is transmitted using an RS-485 Modbus protocol. Each data acquisition board requires two addresses, one for
each set of two current sensor strips and four auxiliary inputs. Data is updated roughly every two seconds. As a
circuit approaches the user-defined threshold, the E30 activates the alarm indicators.
The E30A measures both current and power for the mains and branch circuits. The E30B measures both current and
power for the mains, and current only in each circuit. The E30C measures current only for the mains and branch
circuits.
Product Identification
E30
CT OptionDescription
0 = 100A, ¾" spacing
1 = 100A, 1" spacing
2 = 100A, 18 mm spacing
A = Advanced
B = Intermediate
C = Basic
# of CTs
24 = 2 strips with 12 sensors each *
36 = 2 strips with 18 sensors each *
42 = 2 strips with 21 sensors each
48 = 4 strips with 12 sensors each *
72 = 4 strips with 18 sensors each *
84 = 4 strips with 21 sensors each
* This option available with 18 mm spacing only.
Other current sensor
strip sizes available.
*
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Regulatory
Information
FCC PART 15 INFORMATION
NOTE: This equipment has been tested by the manufacturer and found to
comply with the limits for a class B digital device, pursuant to part 15 of
the FCC Rules.These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a residential environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful
interference to radio communications.This device complies with part
15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
Modifications to this product without the express authorization of the
manufacturer nullify this statement.
WARNING
LOSS OF CONTROL
•Assure that the system will reach a safe state during and after a
control path failure.
•Separate or redundant control paths must be provided for critical
control functions.
•Test the eect of transmission delays or failures of communication
links.1
•Each implementation of equipment using communication links
must be individually and thoroughly tested for proper operation
before placing it in service.
Failure to follow these instructions may cause injury,
death or equipment damage.
Control system design must consider the potential failure modes of
control paths and, for certain critical control functions, provide a
means to acheive a safe state during and after a path failure.
Examples of critical control functions are emergency stop and
over-travel stop.
1For additional information about anticipated transmission delays or
failures of the link, refer to NEMA ICS 1.1 (latest edition). Safety
Guidelines for the Application, Installation, and Maintenance of
Solid-State Controls or its equivalent in your specic country,
language, and/or location.
A qualied person is one who has skills and knowledge
related to the construction and operation of this electrical
equipment and installations, and has received safety training
to recognize and avoid the hazards involved. NEC Article 100
If this product is used in a manner not specied by the
manufacturer, the protection provided by the product may be
impaired. No responsibility is assumed by the manufacturer
for any consequences arising out of the use of this material.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR
ARC FLASH
• This product must be installed inside a suitable fire and
electrical enclosure.
• Follow safe electrical work practices. See NFPA 70E in
the USA, or applicable local codes.
• This equipment must only be installed and serviced by
qualified electrical personnel.
• Do not use this product for life or safety applications.
• Do not install this product in hazardous or classified locations.
• Read, understand and follow the instructions before
installing this product.
• Turn off all power supplying equipment before working on or
inside the equipment.
• Product may use multiple voltage/power sources.
Disconnect ALL sources before servicing.
• Use a properly rated voltage sensing device to confirm that
power is off. DO NOT depend on this product for voltage
indication.
• Current transformer secondaries (current mode) must be
shorted or connected to a burden at all times.
• Products rated only for basic insulation must be installed on
insulated conductors.
• Replace all doors, covers and protective devices before
powering the equipment.
• The installer is responsible for conformance to all applicable
codes.
Failure to follow these instructions will result in
death or serious injury.
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
INPUTS
Measurement Voltage 90 to 300 Vac line-to-neutral, 50/60 Hz
Control Power 90 to 277 Vac line-to-neutral, 50/60 Hz
ACCURACY
Power/Energy IEC 62053-21 Class 1, ANSI C12.1-2008 system accuracy (including
branch CTs)
Voltage ±0.5% of reading 90 to 277 V line-to-neutral
OPERATION
Sampling Frequency 2560 Hz
Update Rate 1.8 seconds (both panels)
OUTPUTS
Type Modbus RTU
Connection DIP switch-selectable 2-wire or 4-wire, RS-485
Address DIP switch-selectable address 1 to 247 (in pairs of two)*
Baud Rate DIP switch-selectable 9600, 19200, 38400
Parity DIP switch-selectable NONE, ODD, EVEN
Communication Format 8 data bits, 1 start bit, 1 stop bit
Termination 5-position depluggable connector (TX+ TX- SHIELD TX+/RX+ TX-/RX-)
WIRE SIZE RANGE
Aux CT Terminals on Main Board 24 to 14 AWG
Removable Connectors on Main
Board
22 to 12 AWG
TERMINAL BLOCK TORQUE
Aux CT Terminals on Main Board 3.5 to 4.4 in-lb (0.4 to 0.5 N-m)
Removable Connectors on
Main Board
4.4 to 5.3 in-lb (0.5 to 0.6 N-m)
MECHANICAL
Ribbon Cable Support 4 ft. (0.9 m) round ribbon cable ships standard; up to 20 ft. (6 m) flat or
round available
ENVIRONMENTAL
Operating Temperature Range 0 to 60 °C (32 to 140 °F) (<95% RH non-condensing)
Storage Temperature Range -40 to 70 °C (-40 to 158 °F)
Altitude of Operation 3000 m max.
COMPLIANCE INFORMATION
Approvals UL508 open type device**, IEC/EN61010-1
Installation Category Cat III, polution degree 2***
Conducted and Radiated
Emissions
FCC part 15 Class B, EN55011/EN61000-6-3 Class B (residential and
light industrial)
Conducted and Radiated Immunity EN 61000-6-2 and EN 61326-1 (heavy industrial)
*See Configuration section for details.
**The E30 Series must be installed in an appropriate electrical and fire enclosure per local regulations. If Veris E30 products are used in installations with circuits
higher than the product ratings, the circuits must be kept segregated per UL508A Sec. 17.5. Note: E3x internal circuitry (cables and CTs) are not circuits as defined
by UL508A, as they do not extend beyond the E3x itself without further safety/fire isolation.
***A Pollution Degree 2 environment must control conductive pollution and the possibility of condensation or high humidity. Consideration must be given to the
enclosure, the correct use of ventilation, thermal properties of the equipment and the relationship with the environment.
Specifications
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Table of Contents Dimensions 5
Product Diagram 6
Data Outputs 7
Blink Codes for Status LED 9
Solid-Core Current Sensors 9
Installation 9
Wiring 13
Configuration 15
Default DIP Switch Settings 17
Address Setup 18
Commissioning 19
Recommended Accessories 19
Safety 19
Troubleshooting 20
China RoHS Compliance Information (EFUP Table) 20
Appendix: Panel Configuration Diagrams and Selection Matrix 21
This symbol indicates an electrical shock hazard exists.
Documentation must be consulted where this symbol is used on the product.
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Dimensions
Solid-Core Current Sensor Strips
0.4”(10 mm)
opening
1.0”(26 mm)
on center
25.0”(635 mm)
1.2”
(31 mm)
20.3”(516 mm)
1.1”
(28 mm)
0.8”
(20 mm)
0.8”
(20 mm)
1.3”
(33 mm)
2.0”
(50 mm)
slot: 0.25”x 0.5”
(7 x 13mm)
2.0”
(50 mm)
1.7”
(43 mm)
1.3”
(32 mm)
slot: 0.25”x 0.5”
(7 x 13mm)
1.2”
(30 mm)
0.4”(10 mm)
opening
0.75”(19 mm)
on center
16.4”(417 mm)
1.7”
(43 mm)
0.4”(10 mm)
opening
0.7”(18 mm)
on center
2.0”
(50 mm)
0.9”
(21.2 mm)
0.9”
(21.2 mm)
0.9”
(21.2 mm)
1.3”
(32 mm)
15.7”(399 mm)
0.4”(10 mm)
opening
0.7”(18 mm)
on center
1.3”
(32 mm)
12.3”(312 mm)
0.4”(10 mm)
opening
0.7”(18 mm)
on center
3/4"
option,
21 CTs
1”
option,
21 CTs
18 mm
option,
18 CTs
18 mm
option,
12 CTs
18 mm
option,
21 CTs
Circuit Board and Mounting Bracket
7.3”
(184 mm)
8.9”
(226 mm)
5.8”
(146 mm)
4.8”
(122 mm)
3.9”
(100 mm)
7.9”
(200 mm)
8.3”
(211 mm)
1.75”
(45 mm)
Ø = 0.2”
(5 mm)
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Product Diagram
1. 50-Pin Ribbon Cable Connectors (Data Acquisition Board): 48-inch (1220 mm) ribbon cables are provided for easy
connection of current sensor strips to this point of the data acquisition board. The two connectors on the left are for panelboard
1; the two on the right are for panelboard 2.
Connect current sensor strips to the correct ribbon cable connectors for each panel. The top connector is for Strip A, and
the bottom conector is for Strip B.
Verify that the serial numbers on the current sensor strips match the serial number on the data acquisition board.
2. Auxiliary CT Inputs: These 0.333 Vac inputs are used for monitoring the main breaker or other high amperage source. Inputs
on the left are for panelboard 1; inputs on the right are for panelboard 2.
3. Control Power Connection: Provides power to operate the meter.
4. Control Power Fuse: 600 Vac, 500 mA time lag, factory-replaceable.
5. Alive LED: Red/green/amber LEDs. Information on blink codes is provided in the Blink Codes for Status LED section.
6. Voltage Taps: 1, 2, or 3 phase plus neutral connections. For voltage sensing and power calculations (no voltage taps on the
E30C).
7. Communications Address DIP Switches: Each Modbus device must have a unique address. Switches are binary weighted.
Left-most switch has a value of 1; right-most switch has a value of 128. Note: the 4-strip model uses two addresses.
8. Communications Settings DIP Switch: Configures baud rate, parity, 2/4 wire communications.
9. RS-485 2 Connection: Used for Modbus serial communications. The Universal plug accomodates 2 or 4 wire connections.
10. RS-485 LEDs: The RX LED (closest to DIP switches) indicates the RS-485 is receiving information; the TX LED (farthest from DIP
switches) indicates transmission of information.
11. Power LED: Indicates power to the main board
12. Current Sensors: For monitoring branch current.
13. 50-Pin Ribbon Cable Connectors (Current Sensor Strips): Connects current signal from the sensor strip to the main board
via the ribbon connectors.
7
1
2
3
4
5
6
2
8
9
10
A A
B B
11
12
13
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Data Outputs The E30 provides several types of measurements that give a comprehensive view of power consumption for every load on the
panel (the table below shows which measurements are offered on each model):
• Real-time measurements: A live and up-to-date view of present power levels and the factors that affect them.
• Demand measurements: Averages of values measured over a specified time interval. The time interval (typically 15
minutes) can be set from 10 seconds to more than a day. The demand calculation can be configured to use single
intervals or the sliding average of up to six sub-intervals. Demand measurements are useful for tracking or graphing
load levels over time to correlate with total energy consumption.
• Historic maximum measurements: These measurements store the largest value recorded for a specific measurement
since the last time they were cleared. They are useful for identifying peak levels critical to equipment sizing or demand
limits in utility agreements.
• Accumulated energy measurements: Ongoing totals of cumulative energy used since the last time the value was
cleared. Energy values provide the informational basis for billing, cost allocation, carbon offset, BTU equivalent
calculations, and other applications of overall energy use.
• Energy snapshots: Energy totals that only change when the demand intervals are updated. They are samples of the
free-running energy accumulators at the end of each demand interval, as configured by the user. These provide energy
readings that are easily correlated to the demand values to simplify the tasks of sub-billing and cost allocation.
• Alarms: Provide a warning of excessively high or low current on each branch and aux channel. The user can set two
high-level and two low-level thresholds, and a delay time for latching alarms. Alarms are reported as both non-latched
vents and latched events. Non-latching alarms are active while the current exceeds the threshold, but go inactive if the
current returns to a level within the specific thresholds. Latching alarms become active when the current exceeds the
threshold for a time period greater than the specified delay and remain active until they are cleared remotely.
• Alarm status can be polled via Modbus.
Advanced Features - Some models, especially the E30A support a number of advanced features. Some are always active, and
others are configured manually via Modbus register 62017). For models with 42 channels or more, these features are configured
independently for each panel.
• Logical meter support: The E30 can be configured to map any set of 1, 2 or 3 channels that are adjacent in the panel
to a logical meter, referred to in the point map as a logical circuit, that provides accurate multi-phase measurement
totals. Map these logical circuits by writing the desired logical circuit number into a set of registers/data objects
provided for each branch and aux channel (per panel).
• The channels assigned to each logical circuit must be adjacent in the panel (usually used for multi-phase breakers), but
there are no limitations on where those adjacent channels are aligned in the panel (any position where a multi-phase
breaker can be installed). This functionality is always active, but a user selection affects the how the data can be
accessed via Modbus. Measurement data via Modbus for logical circuits is presented in two ways, arranged either by
logical circuit number (looks more like a collection of individual meters) or by measurement type (arranged similar to
the single-phase data section of the point map).
• Legacy point map or alternate logical circuit point map: The E30 can be configured to select a preferred version of the
Modbus registers in the address range 4000 to 9999. If enabled (default), the logical circuits by measurement type is
active. Otherwise, the legacy point maps for 2-phase and 3-phase breakers used in E3x models with a firmware version
earlier than 1.023 is active. The logical circuits functionality can also be accessed via the “Logical Circuits by Circuit”
section of the point map (address range 10000 to 45000), regardless of the state of this selection.
• Phase angle measurements: The E30 measures the phase angle of every voltage and current input and presents these
measurements (in degrees) in additional data registers/objects. These values are used to verify that current inputs are
assigned to the proper voltage phases and to help determine how power factor variations are influenced by current
phase changes vs. harmonic distortion. Phase angle measurements are instantaneous and always active.
• User CT phase assignment: In the default mode, the E30 assigns each channel to the corresponding phase that most
3-phase panels implement, so that the user does not have worry about it. The user can opt to replace this self-
assignment paradigm with a mode that allows explicit specification of the phase assignment for each channel. The
explicit assignments set by the user are stored by the E30 in non-volatile memory.
• Phase angle reference: The E30 measures the phase angle of every current and voltage input. The user can select
whether the phase angles are stated relative to an absolute reference (the phase angle of voltage input V1) or relative
to the voltage phase assigned to that specific current input channel.
• Demand/snapshot time interval source: The E30 offers two mechanisms for driving the demand/snapshot time
interval, an interval timer or an RTC (real-time clock). The legacy mode (default) uses an interval timer that does not
need to be set to an absolute time. When using the interval timer the demand/snapshot interval can be set from
10 to 32767 seconds (over 9 hours). An alternate mode utilizes an RTC set to a specific date and time to synchronize
the results with a larger system. The RTC must first be set in order to run and capture demand values and energy
snapshots. When power is interrupted, the RTC resets to a default date and time and must be set again in order to run.
When using the RTC, the demand/snapshot interval can be set from 10 to 3600 seconds (1 hour).
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Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
E30 Series Installation Guide
TM
Data Outputs (cont.) Monitoring of Mains E30A E30B E30C
Real Time Measurements
Current: multi-phase average and per phase 
Current phase angle  
Real power (kW): multi-phase total and per phase  
Apparent power (kVA): multi-phase total and per phase  
Power factor: multi-phase average and per phase  
Voltage - L-L: multi-phase average and per phase  
Voltage - L-N: multi-phase average and per phase  
Frequency (phase A)  
Demand Measurements Current present demand: multi-phase average and per phase 
Real Power (kW) present demand: multi-phase average and per phase  
Historic Maximums
Maximum instantaneous current: multi-phase average and per phase 
Maximum current demand: multi-phase average and per phase 
Maximum real power demand: multi-phase total and per phase  
Accumulated Energy Energy (kWh): multi-phase total and per phase  
Energy Snapshots Energy (kWh): multi-phase total and per phase  
Monitoring of Branch Circuits
Real Time Measurements
Current: multi-phase average and per phase 
Current phase angle per branch 
Real power (kW): multi-phase total and per phase 
Apparent power (kVA): multi-phase total and per phase 
Power factor: multi-phase average and per phase 
Demand Measurements Current present demand: multi-phase average and per phase 
Real power (kW) present demand: multi-phase average and per phase 
Historic Maximums
Maximum instantaneous current: multi-phase average and per phase 
Maximum current demand: multi-phase average and per phase 
Maximum real power demand: multi-phase total and per phase 
Accumulated Energy Energy (kWh): multi-phase total and per phase 
Energy Snapshots Energy (kWh): multi-phase total and per phase 
Modbus Alarms
Alarms
Voltage over/under  
Branch current over/under 
Mains current over/under  
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E30 Series Installation Guide
TM
Blink Codes for Status
LED
Solid-Core Current
Sensor Accuracy
Color and Pattern Status Description
Green, once per second Normal operation
Amber, once per second Volts or Amps clipping
Amber, twice per second Invalid firmware image
Amber, three per second Incorrect strips or strip order*
Red, solid or blink Diagnostic event detected
*Units with firmware V1.023 or newer do not report this message.
100 A Solid-Core CT
Voltage Rating 300 Vac
Measurement Range 120 A (momentary)
Temperature 0 to 60 °C
Agency UL508 recognized, EN61010
Installation Observe precautions for handling static sensitive
devices to avoid damage to the circuitry that
is not covered under the factory warranty.
Disconnect and lock out power to the electrical panel.
1.Install the current sensor strips in the panel (Figure 1).
2. Arrange the sensor strips in one of the four configurations shown in Figure 2. Adjust orientation of the circuit numbers in the
field during commissioning by writing to Modbus Register 6 or use free configuration software. For more detailed installation
diagrams and help identifying what circuit configuration setting to use, refer to the Appendix titled: Panel Configuration
Diagrams and Selection Matrix.
E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP
20
2020202020202020
20
20
20202020202020202020
20
Figure 1
Current sensors accept a maximum #2 AWG
(0.384” O.D.) wire with THHN insulation.
Use this size wire or smaller.
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E30 Series Installation Guide
TM
A
B
A
B
A
B
A
B
Panel 1 Panel 2
1
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9
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17
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3
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22
26
30
34
38
42
4
8
12
16
20
24
28
32
36
40
1
5
9
13
17
21
25
29
33
37
41
3
7
11
15
19
23
27
31
35
39
1
5
9
13
17
21
25
29
33
37
41
3
7
11
15
19
23
27
31
35
39
A
B
A
B
A
B
A
B
Panel 1 Panel 2
Panel 1 Panel 2 Panel 1 Panel 2
A
B
A
B
A
B
A
B
Top Feed Bottom Feed
Single Row: Sequential Single Row: Odd/Even
Register 6
Value = 0
(Default)
Register 6
Value = 1
Register 6
Value = 2
Register 6
Value = 3
Figure 2
The examples in this graphic show
the 21 current sensor strips strips.
The same configuration options are
available for the 18 and 12 strips.
Installation (cont.)
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E30 Series Installation Guide
TM
Installation (cont.)
E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP
Panel 1 Panel 2
Figure 3
A
Panel 1 Panel 2
A
B B
Serial numbers on board and strips must match.
Connect strips only to the connector designated
on the label (e.g. 1A).
Figure 4
3. Verify that the serial numbers printed on the current strip and on the data acquisition board match. The board and the strip
are sold as a calibrated set.
4. Configure communication and addressing parameters using DIP switches. The E30 requires two addresses, one for each set of
two current sensor strips and four auxiliary inputs. See the Configuration section for more information.
5. Install the E30 acquisition board mounting bracket in the panel using the screws and bolts provided (Figure 3). A grounding
connection is located on the mounting bracket, near the lower right corner. Use this stud to ground the bracket when it is
mounted on a nonconductive surface.
6. Check the labels on the current sensor strip and on the data acquisition board to make sure the serial numbers match.
Additionally, the label indicates which connector to use on the data acquisition board (e.g. connect the strip labeled “Panel 1A”
to the top left connector on the board; Figure 4).
7. Connect the current sensor ribbon cables to the 50-pin connectors on the main board (Figures 5 and 6). Orient cables so that
the red stripe is on the left.
The protective ground connection on the housing should be used if the E30 will not be
mounted to a suitably grounded surface. Assure conductivity to the protective ground.
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E30 Series Installation Guide
TM
Installation (cont.)
Figure 6 2-Strip Version
4-Strip Version
Panel 1 uses base Modbus address as set by DIP switches.
Panel 2 uses base + 1 Modbus address as set by DIP switches.
Panel 2Panel 1
A A
B B
L1 L2 L3 N
Panel 1
A
B
Panel 2 MainsPanel 1 Mains
8. Wire RS-485 communications (see diagrams in the Wiring section).
Aux CT Installation
1. Connect 0.333 Vac CTs to the mains or other conductors, observing local codes regarding bending radius (optional; see Figure 7).
Refer to the appropriate CT installation instructions for further information.
Figure 7
E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP E30 CURRENT SENSOR STRIP
Panel 1 Panel 2
Recommended CT:
Veris Industries H6810, H6811, H6812 Series with 0.333 Vac output.
Available in 100 A max. to 2400 A max.
Call a Veris sales rep if higher amperages are required.
Figure 5
Align ribbon cable key with
connector keyhole.
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E30 Series Installation Guide
TM
Wiring
Figure 10
V1 V2 V3 N
V2/N
V1
90 to 277 Vac
L - L L - N
Line to Line (L-L) Voltage: 150 to 480 Vac, nominal.
Line to Neutral (L-N) voltage: 90 to 300 Vac
Voltage taps are shared by both panels.
Figure 9
Set up Modbus registers 115-118 for CT scaling.
Use base + 1 address for Panel 2 setup.
I1
I2
I3
IN
I1
I2
I3
IN
±
±
±
±
±
±
±
±
Panel 2Panel 1
CT Input
(0 to 0.333
Vac)
CT Input
(0 to 0.333 Vac)
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR
ARC FLASH
• While removing or installing panels and covers, assure that
they do not contact an energized bus.
• NEVER bypass external fusing.
• NEVER short the secondary of a potential transformer.
• Before closing covers and doors, carefully inspect the work
area and remove any tools, wire scraps or other objects that
may have been left inside the equipment.
Failure to follow these instructions will result in death
or serious injury.
For all steps in this section, when tightening terminals, apply the correct torque.
Aux CT inputs on main board: 3.5 to 4.4 in-lb (0.4 to 0.5 N-m); removable connectors on main board: 4.4 to 5.3 in-lb (0.5 to 0.6
N-m).
–
+
Figure 8
1. Connect 2-wire 90 to 277 Vac power to the main power terminals. Observe polarity. For the E30A and E30B, connect voltage
lines to the voltage taps (Figure 9). Provide overcurrent protection and disconnecting means to protect the wiring. Use Veris
AH02, AH03, AH04, or equivalent. Suggested: 0.5 A, time delay fuses.
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E30 Series Installation Guide
TM
Wiring configurations:
3-wire (ungrounded)
Delta
Corner-grounded
Delta
4-wire
Wye
3-wire
Split-phase
2-wire
Single-phase
120/240V High-Leg
Delta
L3 L3 L3 L3
X
L2
L1 L2 L1 L2 L1
L2
L1
L1
N
N
N
N
N
L2 L1
120 V/240 V Delta High Leg (where the center tap of one of the three phase-to-phase transformers is grounded): the E3x supports
these applications, as long as the line-to neutral voltage [especially of the High Leg] does not exceed 300 Vac (as in North American
120/240 V High Leg Delta configurations).
In 3-wire (ungrounded) Delta applications, the E3x supports these applications with the following caveats:
Control Power for the meter cannot exceed 277 Vac. In applications where the L-L voltage is 277 Vac or less (e.g. 208 V line-to-
line) it can be connected to two of the phases being monitored without exceeding the limit. For higher voltages (e.g. 480 V
line-to-line), this must be supplied from a source that is 277 Vac or less. It could be a separate source or a transformer can be
used to step it down from two of the phases being measured.
All of the CT inputs (both branches and Aux inputs) are neutral-referenced. One side of each CT is essentially connected directly
to the neutral voltage input. If this is left floating, the solid-core CT strips, split-core CT adapter boards and all CTs will float at
the same potential (while the panel is energized). This does not present a risk to the equipment as long as it is within 300 V
of ground, but should be considered from a safety perspective in the overall application. The E3x will provide measurements
in this application with the accuracy specified, with the exception of line-to-neutral voltages, which will be calculated and
reported, based on a derived virtual neutral voltage, even though they are not relevant.
Corner-grounded delta: the E3x does not support these applications at any voltage level.
The E3x supports measurement of all 4-wireWye, 3-wire split-phase and 2-wire single phase and configurations that operate
between 90 and 300 Vac line-to neutral.
Disconnect and lock out power before making any wiring connections.
2. Connect 2-wire or 4-wire Modbus RS-485 daisy chain network (Figures 11 and 12).
Figure 11
SHIELD
RX- TX-
RX+ TX+
TX-
TX+
Figure 12
Master or Slave
SHLD
TX+
TX+
RX+
TX–
TX-
RX-
SHIELD SHIELD
Master Slave
SHLD
TX+
TX+
RX+
TX–
TX-
RX-
SHIELD
SHLD
TX+
TX+
RX+
TX–
TX-
RX-
SHIELD
2-Wire 4-Wire
Wiring (cont.)
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E30 Series Installation Guide
TM
Wiring (cont.)
Configuration
2-Wire Example
Figure 13
–
+
RS-485 cable
120 Ωterminator
on last device of
daisy chain
Not Used
1. Communications Configuration: Communications parameters for the E30 series are field selectable for your convenience. See
the Product Diagram section for selector location. The following parameters are configurable:
• Baud Rate: 9600, 19200, 38400
• Parity: on or off
• Parity: odd or even
• Wiring: two or four
BøReserved
B1 Off/
On
Parity
2/4
Wire
Odd/
Even
Parity
3. Mechanically secure the RS-485 cable(s) where they enter the electrical panel.
4. Connect all RS-485 devices in a daisy-chain fashion, and properly terminate the chain (Figure 13).
5. Shield the RS-485 cable using twisted-pair wire. Use cable that is voltage-rated for the installation.
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E30 Series Installation Guide
TM
Configuration (cont.) Example: 2-wire 19200 Baud No Parity (Default Only)
12345678
off off XXX9600
on off XXX19200
off on XXX38400
on on XXXReserved
off off XXXNo Parity
on off XXXOdd Parity
off on XXXNo Parity
on on XXXEven Parity
on XXX4-wire RS-485
off XXX2-wire RS-485
2. Address Configuration: Each Modbus device on a single network must have a unique address. Set the switch block to assign
a unique address before the device is connected to the Modbus RS-485 network. If an address is selected that conflicts with
another device, neither device will be able to communicate.
3. The E30 uses two logical addresses. Panel 1 uses the base address as set on the DIP switches, and Panel 2 uses this base address
+ 1. Address the E30 as any whole number between and including 1-246. Each unit is equipped with a set of eight DIP switches
for addressing. See below.
1
LSB MSB
1 2 4 8 16 32 64 128 DIP Switch Values
=
4. To determine an address, simply add the values of any switch that is on.
For example:
40
=
LSB MSB
Switch number 4 has an ON value of 8 and switch number 6 has an ON value of 32.
(8 + 32 = 40). Therefore, the address for Panel 1 is 40, and the address for Panel 2 is 41.
See the Address Setup section for a pictorial listing of the first 63 switch positions.
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E30 Series Installation Guide
TM
Default DIP Switch
Settings
The E30 includes two DIP switches, as shown below. Switches are shown in their default positions.
Comms Address Comms Settings
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E30 Series Installation Guide
TM
Address Setup
DO NOT
USE ZERO 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43
44 45 46 47 48 49 50 51 52 53 54
55 56 57 58 59 60 61 62 63 246
......
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E30 Series Installation Guide
TM
Commissioning
Recommended
Accessories
1. Reconnect power to the panel.
2. Configure installation mode using Modbus Register 6.
3. Configure CT scaling.
4. Configure alarms.
5. Configure demand.
Download the free E3x configuration tool
Part ID Description
CBL008 Flat ribbon cable, 50 x 28 AWG, 1.5 ft. (0.45 m)
CBL016 Flat ribbon cable, 50 x 28 AWG, 4 ft. (1.2 m)
CBL017 Flat ribbon cable, 50 x 28 AWG, 5 ft. (1.5 m)
CBL018 Flat ribbon cable, 50 x 28 AWG, 6 ft. (1.8 m)
CBL019 Flat ribbon cable, 50 x 28 AWG, 8 ft. (2.4 m)
CBL020 Flat ribbon cable, 50 x 28 AWG, 10 ft. (3.0 m)
CBL021 Flat ribbon cable, 50 x 28 AWG, 20 ft. (6.1 m)
CBL022 Round ribbon cable, 50 x 28 AWG, 4 ft. (1.2 m)
CBL023 Round ribbon cable, 50 x 28 AWG, 10 ft. (3 m)
CBL024 Round ribbon cable, 50 x 28 AWG, 20 ft. (6 m)
CBL025 Flat ribbon cable, 50 x 28 AWG, 2 m
CBL026 Flat ribbon cable, 50 x 28 AWG, 4 m
CBL027 Flat ribbon cable, 50 x 28 AWG, 6 m
CBL031 Round ribbon cable, 50 x 28 AWG, 1.5 ft. (0.45 m)
CBL032 Round ribbon cable, 50 x 28 AWG, 2.5 ft. (0.76 m)
AE001 E3x MCB cover
AE006 E30 CT repair kit
E8951 Modbus to BACnet protocol converter
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E30 Series Installation Guide
TM
Troubleshooting Problem Solution
Product is not communicating over Modbus daisy
chain
•Check the unit Modbus address to ensure that each device on the daisy chain has a
unique address.
•Check Parity.
•Check the communications wiring.
•Check that the daisy chain is properly terminated.
RX LED is solid •Check for reversed polarity on Modbus comms.
•Check for sufficient biasing on the Modbus bus. Modbus physical specification calls
for 450-650 Ω biasing.This is usually provided by the master.
The main board has a fast flashing amber light •Check that the 1A and 1B CT strips are connected to the left top and left bottom
ribbon cable connections; 2A and 2B must be connected to the right top and right
bottom ribbon cable connections (see illustrations in the product installation guide).
•Verify ribbon cable connectors are inserted in the correct orientation.
•If cables are correct, reset main board to re-initialize product.
The main board has a slow flashing amber light •One or more channels is clipping.This can be caused by a signal greater than 100 A
or 277 V L-N, or by a signal with high THD near the gain stage switching points (1.5 A
and 10 A).
The main board has a flashing green light •Everything is wired properly and the main board has power.
The main board is a flashing or solid red light •Light may be red briefly while device powers up.
•If light is red for more than 60 seconds, the device has encountered a diagnostic
event. Contact Veris technical support.
Power factor reading is not as expected •Verify voltage taps are connected in appropriate phase rotation.
•Verify strip configuration register matches actual strip installation.
•Verify phase rotation of breakers (firmware rev. 1.012 or higher allows for custom
rotation if needed).
Current reading is not as expected, or reading is on
different CT number than expected
•Verify strip configuration register matches actual strip installation.
•Verify ribbon cable is fully seated and in the correct orientation.
Current is reading zero, even when small currents are
still flowing through the circuit
•The product cuts off at 50 mA, and will set the reporting register to 0 mA for
currents near or below this range.
E3x ConfigTool returns Modbus error on read/write •Verify use of the latest release of the E3x Config Tool as older versions may not
support all features in the current product firmware.
China RoHS
Compliance
Information
(EFUP Table)
部件名称
产品中有毒有害物质或元素的名称及含量Substances
铅 (Pb) 汞 (Hg) 镉 (Cd) 六价铬 (Cr(VI)) 多溴联苯(PBB) 多溴二苯醚(PBDE)
电子线路板 X O O O O O
O = 表示该有毒有害物质在该部件所有均质材料中的含量均在 SJ/T11363-2006 标准规定的限量要求以下.
X = 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出SJ/T11363-2006标准规定的限量要求.
Z000057-0A
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