Easy UPS 3-Phase Modular 50-250 kW – Installation
990-6538D-001

Connect the Signal Cables

Overview of Signal Connection Terminals in the UPS

  1. Remote EPO (J6600)

  2. Display port (for internal use)

  3. USB port (for service)

  4. Tuner port (for service)

  5. Modbus port

  6. Battery temperature sensor (J3008)

  7. Input contacts (J3009)

  8. Output relays (J3001)

  9. PBUS2

  10. PBUS1

  11. Network management card (NMC) slot 1

  12. Network management card (NMC) slot 2

  13. Backfeed relay and sync output relay (J8310)

  14. Auxiliary contacts 1 (J8302)

  15. Auxiliary contacts 2 (J8303)

  16. Battery breaker auxiliary contacts (J8304)

  17. IMB and RIMB auxiliary contacts (J8305)

  18. Sync input (J8300)

  19. Battery breaker trip (J8301)

  20. IM1 slot for intelligence module

  21. IM2 slot for intelligence module

NOTE: Route the signal cables separately from the power cables and route the Class 2/SELV cables (A to L, T and U) separately from the non-Class 2/non-SELV cables (M to S). Non-Class 2/non-SELV cables should be rated for 600 V.
NOTE: The recommended size for the signal cables is 0.5 mm2.
NOTE: Do not unplug the signal terminals by hand. Be sure to use the tool (TME12560) in the accessory bag to unplug the signal terminals. Be sure to restore the two rows of terminals to their original position: the grey terminals in the upper row and the green terminals in the lower row.
  1. Use the provided terminal unplug tool (TME12560) to remove the covers for the signal connection terminals. Save the tool for future use.
  2. Connect the Class 2/SELV signal cables from the building EPO to the remote EPO (J6600) in the UPS according to one of the options below.

    The EPO circuit is considered Class 2/SELV. Class 2/SELV circuits must be isolated from the primary circuitry. Do not connect any circuit to the EPO terminal block unless it can be confirmed that the circuit is Class 2/SELV.

    EPO Configurations (Terminal J6600, 1-9)

    The EPO input supports 24 VDC.

    NOTE: The default setting for the EPO activation is to turn off the inverter.

    If you want the EPO activation to transfer the UPS into forced static bypass operation instead, please contact Schneider Electric.

  3. Connect the Class 2/SELV signal cables to the input contacts and output relays in the UPS.

    Do not connect any circuit to the input contacts unless it can be confirmed that the circuit is Class 2/SELV.

    The input contacts support 24 VDC 10 mA. All circuits connected must have the same 0 V reference.

    Name Description Location
    IN _1 (input contact 1) Configurable input contact Terminal J3009, 1-2
    IN _2 (input contact 2) Terminal J3009, 3-4
    IN _3 (input contact 3) Terminal J3009, 5-6
    IN _4 (input contact 4) Terminal J3009, 7-8

    The output relays support 24 VAC/VDC 1 A. All external circuitry must be fused with maximum 1 A fast acting fuses.

    Name Description Location
    OUT _1 (output relay 1) Configurable output relay Terminal J3001, 1 (common), 9 (NO*), 2 (NC*)
    OUT _2 (output relay 2) Terminal J3001, 10 (common), 3 (NO), 11 (NC)
    OUT _3 (output relay 3) Terminal J3001, 4 (common), 12 (NO), 5 (NC)
    OUT _4 (output relay 4) Terminal J3001, 13 (common), 6 (NO), 14 (NC)
    OUT _5 (output relay 5) Terminal J3001, 7 (common), 15 (NO), 8 (NC)
  4. Connect the signal cables from the auxiliary products to the UPS. Follow the instructions in the auxiliary product manuals.
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