Veris Industries E31 Series Installation Manual

Installation Guide
Power Monitoring
*
*The CE mark indicates RoHS2 compliance. Please refer to the CE Declaration of
Conformity for additional details.
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Branch Circuit Power Meter with Split-Core CTs
Product Overview
The E31 Series Branch Circuit Power Meter is designed to measure the current, and on some models, voltage and
energy consumption of up to 92 circuits (84 branch circuits, 2 3-phase mains, 2 neutrals) on a single board. One E31
can monitor up to two panels.
The E31 consists of a data acquisition board and up to 84 split-core current sensors (50 A, 100 A, or 200 A), with
eight auxiliary inputs. Each conductor passes through a current sensor and terminates at the breaker. Each sensor
transmits the current data to the data acquisition board.
Data is transmitted using an RS-485 Modbus protocol. Each data acquisition board requires two addresses, one
for each set of 42 current sensors and four auxiliary inputs. Data is updated roughly every two seconds. As a circuit
approaches the user-defined threshold, the E31 activates the alarm indicators. The E31 can easily accommodate
different panel configurations, including any combination of multi-phase breaker positions, voltage phase
mapping, and breaker sizes. To configure the E31 for operation, download the NetConfig configuration software
tool and the E3x Commissioning Guide from the Veris website at www.veris.com/modbus_downloads.
The E31A measures both current and power for the mains and branch circuits. The E31B measures both current and
power for the mains, and current only in each circuit. The E31C measures current only for the mains and branch
circuits.
Product Identification
Description
E31
A = Advanced board
B = Intermediate board
C = Basic board
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E31 Series
# of CTs
002 = 2 adapter boards, no CTs, no cables
004 = 4 adapter boards, no CTs, no cables
42 = 2 adapter boards, 42 50A CTs, 2 4 ft. round ribbon cables
84 = 4 adapter boards, 84 50A CTs, 4 4 ft. round ribbon cables
TM
0815