ABB AC500 PLC Hardware Manual page 1185

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Block Diagram:
Digital I/O Mod-
ules
DIN
rail
2019/04/17
Overall Information (valid for complete AC500 Product Family) > Earthing Concept (Block Diagrams)
I/O Terminal Unit TU515/TU516
I/O-Bus
1 M
Power
supply
1 M
ZP
UP
0V
+24V
3ADR010121, 13, en_US
System Assembly, Construction and Connection
DC532/DI524
I/O interface
UP
CH-ERRx
I/Os
ZP
Inputs/outputs
I/O-Bus
Digital
ZP
1185

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