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ABB AC500 PLC - Page 365

ABB AC500 PLC
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1 I/O bus
2 4.0 - 4.7: Connected with UP (switch) -> Input;
Connected with ZP (load) -> Output
3 Switch-gear cabinet earth
CAUTION!
The process supply voltage must be included in the earthing concept (e. g.
earthing of the minus pole).
The module provides several diagnosis functions
Ä
Chapter 1.5.1.2.7.7 “Diagnosis”
on page 367.
Device Specifications
I/O Modules > Digital I/O Modules
2019/04/17 3ADR010121, 13, en_US 365

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