ABB AC500 V3 - 1.6.2.2.5 AX521 - Analog input;output module; Intended purpose

1.6.2.2.5 AX521 - Analog input/output module
● 4 configurable analog inputs (I0 to I3) in 1 group (1.0...2.3)
Resolution 12 bits plus sign
● 4 configurable analog outputs (O0 to O3) in 1 group (3.0...4.3)
Resolution 12 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 name
3 4 yellow LEDs to display the signal states at the analog inputs (I0 - I3)
4 4 yellow LEDs to display the signal states at the analog outputs (O0 - O3)
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
9 DIN rail
Sign for XC version
Intended purpose
The device can be used as a decentralized I/O extension module for S500 communication
iInterface modules (e. g. CI592-CS31, CI501-PNIO, CI541-DP, CI581-CN) or as a centralized
extension module for AC500 CPUs.
Device specifications
I/O modules > Analog I/O modules
2022/01/313ADR010278, 3, en_US500