Siemens S7-1200 - Pin Assignment of the Socket for the External Power Supply

Technical specifications
7.3 Pin assignment of the socket for the external power supply
CP 1243-7 LTE
116 Operating Instructions, 01/2015, C79000-G8976-C381-01
7.3
Pin assignment of the socket for the external power supply
Figure 7-1 Socket for the external 24 VDC power supply (view from above)
Table 7- 3 Pin assignment of the socket for the external power supply
Pin
Labeling
Function
1
L+
+ 24 VDC
2
M
Ground reference for + 24 VDC
3
Ground connector