Connection
Resistance/potentiometer
4-wire circuit
4.3.3
Digital input
Connection
Digital input DC 0/24 V
Input
Terminals
1
1 to 4
2
5 to 8
3
9 to 12
4
13 to 16
Input
Terminals
1
17 and 18
4 Electrical connection
Symbol and terminal designation
Symbol and terminal designation
+
U
x
-
1, 5, 9, 13
2, 6, 10, 14
3, 7, 11, 15
4, 8, 12, 16
17
18
29