ABB ACS880-07XT Series - Powering the Heating(Options +G300); Wiring Ground Fault Monitoring for IT Ungrounded Systems (Option +Q954)

Electrical installation 83
Powering the heating(options +G300)
See the circuit diagrams delivered with drive.
Connect the external power supply wires for the cabinet heater and lighting to terminal
block X91 at the back of the mounting plate.
Wiring ground fault monitoring for IT ungrounded systems (option +Q954)
We recommend to connect Alarm 1 for drive tripping and Alarm 2 for alarm signals in order
to avoid unnecessary trippings due to the ground fault monitor self testing with Alarm 2.
1
2
PE
4
5
N
L
X91
PE
1 Internal wiring of the cabinet heater: heater
off/fault = contact open.
1
1
2
3
4
X954
Alarm 1
Alarm 2
1 Internal wiring: Ground fault alarm 1. No
ground fault = contact closed. Contact load
capacity 250 V AC 2 A.
2 Internal wiring: Ground fault alarm 2: No
ground fault = contact closed. Contact load
capacity 250 V AC 8 A.
1
2