Connection - ABB AC500 Series Installation Instructions Manual

5.4 Connection

1 I/O bus
2 Allocation between terminal number and signal name
3 16 yellow LEDs to display the signal states at the analog outputs (O0 - O15)
4 1 green LED to display the state of the process supply voltage UP
5 2 red LEDs to display errors
6 Label
7 Terminal unit
Sign for XC version
2019/11/15
All I/O channels (digital and analog) are protected against reverse polarity,
reverse supply and continuous overvoltage up to 30 VDC.
3ADR024117M02xx, 11, en_US
AO523
Connection
43