ABB AC500 Series User Manual

3.4 Connection
1 I/O bus
2 Allocation between terminal number and signal name
3 4 yellow LEDs to display the states at the inputs (I0 - I3)
4 4 yellow LEDs to display the states at the inputs (I4 - I7)
5 1 green LED to display the state of the process supply voltage UP
6 2 red LEDs to display errors
7 Label
8 Terminal unit
Sign for XC version
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply and continuous overvoltage up to 30 VDC.
AI531
Connection
2019/11/153ADR024117M02xx, 11, en_US28

ABB AC500 Series Specifications

General

Brand	ABB
Model	AC500 Series
Category	I/O Systems
Language	English