Installation guide

38 Specifications
5.8.3 – Internal Power Supply
This connector has 4 terminals for +24V @ .75 amps and
4 terminals for COM. These terminals are used as signal
returns for inputs and signal common for outputs.
Internal Power Supply
Mode Description
Sink The COM terminals are used as the return source for the inputs and the signal common for the outputs.
Source The +24 terminals are used as the return source for the inputs and the signal common for the outputs.
+24V
COM
Sink Source
Out
1K
10K
+24V
COM
OUT
3.3K
IN
1K
Digital I/O Equivalent Circuit