ABB AI531 User Manual

1.4.1 Process Supply Voltage
CAUTION!
The process supply voltage must be included in the earthing concept (e. g.
earthing of the minus pole).
1.4.2 Inputs/Outputs
Fig. 1: Example for connection input
Examples
AC522
Connection > Inputs/Outputs
2019/11/15 3ADR024117M02xx, 11, en_US 13

ABB AI531 Specifications

General

Type	Analog Input Module
Channels	8
Accuracy	±0.1% of full scale
Power Supply	24 V DC
Communication	PROFIBUS DP
Voltage Range	0-10 V, ±10 V
Current Range	0-20 mA, 4-20 mA
Relative Humidity	5 to 95% non-condensing