Pin Assignment Of The Socket For The External Power Supply; Pinout Of The D-Sub Socket - Siemens SIMATIC RF120C Operating Instructions Manual

Mounting, connecting up and commissioning

3.5 Pin assignment of the socket for the external power supply

3.5 Pin assignment of the socket for the external power supply
Figure 3-5
Table 3- 4
Pin
1
2
3
3.6

Pinout of the D-sub socket

RS-422 interface
Table 3- 5
20
Socket for the external 24 VDC power supply (view from above)
Pin assignment of the socket for the external power supply
Labeling
L+
M
Pinout of the D-sub socket
Pin Description
1 24 VDC
2 - not used -
3 - not used -
4 +TxD
5 GND
Communications module RF120C with application blocks for S7-1200 and S7-1500
Function
+ 24 VDC (max. 1 A)
Ground reference for + 24 VDC
Ground connector
Pin
6 -RxD
7 +RxD
8 -TxD
9 - not used -
Housing Ground connector
Operating Instructions, 07/2013, C79000-G8976-C328-01
Description