ABB AC500 V3 Hardware Manual page 453

1.6.2.2.3 AI531 - Analog input module
● 8 configurable analog inputs (I0 to I7) in 2 groups (1.0...1.7 and 2.0...2.7 as well as 3.0...3.7
and 4.0...4.7)
Resolution 15 bits plus sign
● Module-wise galvanically isolated
● XC version for use in extreme ambient conditions available
1 I/O bus
2 Allocation between terminal number and signal names
3 4 yellow LEDs to display the states at the inputs I0 to I3
4 4 yellow LEDs to display the states at the inputs I4 to I7
5 1 green LED to display the process supply voltage UP
6 2 red LEDs to display errors (CH-ERR2 and CH-ERR4)
7 Label
8 Terminal unit
9 DIN rail
Sign for XC version
2022/01/31
*) Modules in lifecycle Classic are available from stock but not recommended
for planning and commissioning of new installations.
3ADR010278, 3, en_US
Device specifications
I/O modules > Analog I/O modules
453