Fig. 29: DO526-XC, plugged on a terminal unit TU542-XC
1 I/O bus
2 Allocation between terminal number and signal name
3 8 yellow LEDs to display the signal states of the outputs O0 to O7
4 3 green LEDs to display the states of the process supply voltage UP, UP3 and UP4
5 2 red LEDs to display errors
6 Label
7 Terminal unit
8 DIN-rail
Sign for XC version
Intended Purpose
The device can be used as a decentralized I/O extension module for S500 Communication
Interface Modules (e. g. CI592-CS31, CI501-PNIO, CI541-DP, CI581-CN) or as a centralized
extension module for AC500 CPUs (PM5xx).
The outputs are group-wise electrically isolated from each other.
All other circuitry of the module is electrically isolated from the outputs.
Potential separation between the channel groups.
I/O Modules > Digital I/O Modules
2019/04/173ADR010121, 13, en_US362
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