ABB AC500 PLC Hardware Manual page 924

Device Specifications
Communication Interface Modules (S500) > Modbus
The meaning of the LEDs is described in Displays
on page 934.
Connection of the configurable Digital Inputs/Outputs
The following figure shows the electrical connection of the configurable digital input/output DC0
and DC1. DC0 is connected as an input and DC1 is connected as an output. Proceed with the
configurable digital inputs/outputs DC2 to DC7 in the same way.
924
CAUTION!
If a DC channel is used as input, the source for the input signals should be the
impressed UP3 of the device
on page 918.
3ADR010121, 13, en_US
Ä Chapter 1.7.4.2.8.1 "State LEDs"
Ä Chapter 1.7.4.2.3 "Electrical Connection"
2019/04/17