Electrical Connection
The I/O module DC541-CM is mounted to the left of an AC500 CPU on the same terminal base.
The connection to the communication module bus is automatically established while mounting.
The electrical connection of the I/O channels is carried out using the 10 terminals of the remov-
able terminal block. I/O modules can be replaced without re-wiring.
The process voltage is connected in the following way:
Terminal 1.8: process voltage UP = +24 VDC
Terminal 1.9: process voltage ZP = 0 VDC
1 1.0 - 1.7: Connected with UP (switch) -> Input;
Connected with ZP (load) -> Output
2 Switch-gear cabinet earth
The assignment of the other terminals:
Terminals Signal Description
1.0 to 1.7 C0 to C7 8 digital inputs/outputs
I/O Modules > Digital I/O Modules
2019/04/17 3ADR010121, 13, en_US 337
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