Siemens S7-1200 User Manual

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

Siemens S7-1200 Specifications

General

Digital Inputs	Integrated in CPU or via signal modules (SM)
Digital Outputs	Integrated in CPU or via signal modules (SM)
Analog Inputs	Integrated in CPU or via signal modules (SM)
Analog Outputs	Integrated in CPU or via signal modules (SM)
Communication	PROFINET
Communication Ports	1 x PROFINET
I/O Modules	Signal Modules (SM)
Programming	STEP 7
Power Supply	24V DC
Operating Temperature	0°C to 55°C
Expansion Modules	Communication Modules (CM), Battery Modules (BM)