Connection - ABB AC500 Series Installation Instructions Manual

11.4

Connection

1 I/O bus
2 Allocation between terminal number and signal name
3 Sensor power supply 24 VDC / 0.5 A
4 24 yellow LEDs to display the signal states at the digital inputs/outputs (C0 - C23)
5 1 green LED to display the state of the process supply voltage UP
6 4 red LEDs to display errors
7 Label
8 Terminal unit
Sign for XC version
2019/02/27
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
DC523
Connection
79