ABB AC500 PLC - Page 813

1 I/O bus
2 4.0 - 4.7: Connected with UP (switch) -> Input;
Connected with ZP (load) -> Output
3 Switch-gear cabinet earth
4
1.0 - 1.7: Ä Chapter 1.7.2.3.4 “CS31 Bus Connections” on page 814
Assignment of the other terminals:
Terminals Signal Description
1.0 to 1.7 RS-485 CS31 bus interface
2.0 to 2.7 I0 to I7 8 digital inputs
3.0 to 4.7 C8 to C23 16 digital inputs/outputs
Device Specifications
Communication Interface Modules (S500) > CS31
2019/04/17 3ADR010121, 13, en_US 813