Connection - ABB AC500 Series Installation Instructions Manual

AI531

Connection

3.4 Connection
1 I/O bus
2 Allocation between terminal number and signal name
3 4 yellow LEDs to display the states at the inputs (I0 - I3)
4 4 yellow LEDs to display the states at the inputs (I4 - I7)
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
Sign for XC version
28
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 2019/11/15