ABB CI521-MODTCP User Manual

18.4.1 Process Supply Voltage
CAUTION!
The process supply voltage must be included in the earthing concept (e. g.
earthing of the minus pole).
18.4.2 Inputs/Outputs
1 Example for connection as an input
2 Example for connection as an output
18.5 Cleaning
Cleaning instruction
Do not use cleaning agent for cleaning the device.
Use a damp cloth instead.
Example
DC523
Cleaning
2019/11/15 3ADR024117M02xx, 11, en_US 147

ABB CI521-MODTCP Specifications

General

Brand	ABB
Model	CI521-MODTCP
Category	I/O Systems
Language	English