Siemens SIMATIC Ident - Pin Assignment of the Socket for the External Power Supply; Pinout of the D-Sub Socket

Mounting, connecting up and commissioning
3.5 Pin assignment of the socket for the external power supply
SIMATIC RF120C
20 Operating Instructions, 02/2021, C79000-G8976-C328-03
3.5 Pin assignment of the socket for the external power supply
Figure 3-5 Socket for the external 24 VDC power supply (view from above)
Table 3- 4 Pin assignment of the socket for the external power supply
Pin
Labeling
Function
1
L+
+ 24 VDC (max. 1 A)
2
M
Ground reference for + 24 VDC
3
Ground connector
3.6 Pinout of the D-sub socket
Table 3- 5 Pinout of the D-sub socket - RS422
Pin
Description
Pin
Description
1
24 VDC
6
-RxD
2
--
7
+RxD
3
--
8
-TxD
4
+TxD
9
--
5
GND
Enclosure
Ground connection
Table 3- 6 Pinout of the D-sub socket - RS232
Pin
Description
Pin
Description
1
-- (24 V DC)
6
--
2
RxD
7
--
3
TxD
8
--
4
5 V DC
9
--
5
GND
Housing
Ground connector