ABB AC31 Assembly And Operation Manual page 74

AC31 Adapters
Replacement devices: I/O modules > Replacement device 07DC92-AD
1.5.2.2 LED display
Fig. 47: LEDs DO524
No.
1
2
3
4
5
6
74
Displays of module
8 yellow LEDs to indicate the signal status of the digital inputs/outputs (X2).
8 yellow LEDs to indicate the signal status of the digital inputs/outputs (X3).
8 yellow LEDs to indicate the signal status of the digital inputs/outputs (X5).
8 yellow LEDs to indicate the signal status of the digital inputs/outputs (X6).
4 red LEDs to indicate errors (from the DO524 module).
1 green LED to indicate the status of the supply voltage of the DO524 module (is
supplied via UP/L+).
The replacement device does not provide a test button to measure functionality.
3ADR010122, 8, en_US 2018/09/24