Siemens SIMOCODE pro System Manual page 416

Mounting, wiring, interfaces
Digital module pin assignment
The following table shows the pin assignment of the removable terminals:
Connection
Upper terminals
20
21
22
23
24
25
Lower terminals
26
27
PE
Table 13-6: Pin assignment of the removable terminals of the digital module
13-16
Assignment
Ground for relay outputs 1 and 2
Relay output OUT1
Relay output OUT2
Digital input IN1
Digital input IN2
N/M for IN1 to IN4
Digital input IN3
Digital input IN4
System shielding
20 21 22
OUT1 .2
23 24 25
IN1 IN2
READY
26 27 PE
IN4
IN3
SIMOCODE pro
GWA 4NEB 631 6050-22 DS 03