Siemens SIMATIC ET 200eco PN - Page 109

I/O device digital inputs/digital outputs
9.1 I/O device digital inputs
ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
109
Pin assignment of the DI sockets
The table below shows the pin assignment of the four sockets for connecting the digital
inputs
Table 9- 1 Pin assignment of the digital input sockets X1 to X4
Pin
Assignment
View of socket
(front view)
Socket X1
Socket X2
Socket X3
Socket X4
1
24 V sensor supply 1U
S
(derived from 1L+ non-switched)
2
Input signal
DI
4
DI
5
DI
6
DI
7
3
Sensor supply ground 1M
4 Input signal
DI
0
DI
1
DI
2
DI
3
5
Functional earth FE
Block diagram
The block diagram below shows the 8 DI DC 24V 4×M12 I/O device.
Figure 9-1 Block diagram of the 8 DI DC 24V 4×M12 I/O device