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E31 Series Installation Guide
Product Diagram
Z205667-0G
Page 6 of 23
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.
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1. 50-Pin Ribbon Cable Connectors: Ribbon cables attach here for easy connection of adapter boards to the data acquisition
board. The two connectors on the left are for panelboard 1; the two on the right are for panelboard 2.
Note: Connect Adapter Boards A and B to the correct ribbon cable connectors for each panel. The top connector is for Adapter
Board A, and the bottom connector is for Adapter Board B.
Note: Ribbon Cable is not included with all E31 models. For ribbon cable options, see the Recommended Accessories section.
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. Blink codes are described in the Blink Codes for Status LED section of this document.
6. Voltage Taps: 1, 2, or 3 phase plus neutral connections. For voltage sensing and power calculations (no voltage taps on the
E31C). Voltage taps are shared by both panels.
7. Communications Address DIP Switch: 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: switches set the address for panel 1; panel 2 is
automatically set to (Panel 1 address + 1). See Configuration section for details.
8. Communications Settings DIP Switch: Configures baud rate, parity, 2- or 4-wire communications.
9. RS-485 Connection: Used for Modbus serial communications. The Universal plug accommodates 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 indicates
transmission of information.
11. Power LED: Indicates power to main board
12. Branch Current Sensors: Each split-core current sensor is capable of monitoring conductors rated up to a maximum of 50, 100,
or 200 amps. Up to 84 sensors can be purchased with the E31 (see the Recommended Accessories section). One of each style is
pictured here.
13. Ribbon Cable Connection
14. CT Terminal Connections
©2015 Veris Industries USA 800.354.8556 or +1.503.598.4564 / support@veris.com
Other companies' trademarks are hereby acknowledged to belong to their respective owners.
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