ABB AC500 V3 Hardware Manual page 271

1 I/O bus
2 4.0 - 4.7: Connected with UP (switch) -> Input;
Connected with ZP (load) -> Output
3 Switchgear cabinet earth
The assignment of the other terminals:
Terminals
1.0 to 1.3
1.4 to 1.7
2.0 to 2.7
3.0 to 3.3
3.4 to 3.7
4.0 to 4.7
2022/01/31
Signal Description
+24 V 4 x sensor power supply sources (loadable with 0.5
A in total)
0 V 0 V (reference potential)
C0 to C7 8 digital inputs/outputs
+24 V 4 x sensor power supply sources (loadable with 0.5
A in total)
0 V 0 V (reference potential)
C8 to C15 8 digital inputs/outputs
3ADR010278, 3, en_US
Device specifications
I/O modules > Digital I/O modules
271