Siemens SIMATIC ET 200eco PN - Page 43

Wiring
3.6 Pin assignment of connectors
ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
43
When using the Y cable, pin 2 and pin 4 are assigned to pin 4 (A) and pin 4 (B).
Note
The M12 sockets for the supply and I/O have the same coding.
Make sure that you wire the supply and the I/O corre
ctly.