Siemens SIMATIC ET 200eco PN Operating Instructions Manual page 196

I/O device analog input/analog output
10.2 I/O device analog output
Pin assignment
You will find the pin assignment for the 4 AO U/I 4×M12 I/O device in the table below.
Table 10- 8 Pin assignment for voltage and current for the 4 AO U/I 4×M12 I/O device
Pin
Socket X1
1
2
Q +
0
3
4
Q -
0
5
Block diagram
The block diagram below shows the 4 AO U/I 4×M12.
Figure 10-4
196
Assignment for U/I
Socket X2
24 V actuator supply 1U (derived from 1L+ non-switched)
A
Output signal
Q +
1
Actuator supply ground 1M
Output signal
Q -
1
Functional earth FE
Block diagram 4 AO U/I 4xM12
Socket X3 Socket X4
Q +
2
Q -
2
Operating Instructions, 08/2016, A5E01250250-AJ
View of socket
(front view)
Q +
3
Q -
3
ET 200eco PN