Siemens SIMATIC MV550 S - Page 81

Connection
6.3 Connecting the power supply
SIMATIC MV500
Operating Instructions, 05/2019, C79000-G8976-C494-02
81
Communication module cable
You use the communication module cable to connect the communication modules (e.g.
RF180C and ASM 456) to the optical reader. The communication module cable is pre-
fabricated.
Note that when using the power supply via the communication module, you must enable the
setting "Settings > Options > Lighting > Power supply via POU or CM".
Figure 6-3 Pin assignment of communication module plug
Table 6- 2 Communication module cable, M12 (male, 8-pin) / M12 (female, 8-pin)
Pin
Wire color
Signal name
SIMATIC MV500
1
White
24 V
24 V DC power supply
2
Brown
TxD_N
Send data -
3
Green
0 V
Ground
4
Yellow
TxD_P
Send data +
5
Gray
RxD_P
Received data +
6
Pink
RxD_N
Received data -
7
Blue
Not connected
-
8
Red
Shield
-
Pin assignment ↔ socket/wire color of the cable/signal connector of the optical reader