Siemens ASM 456 Operating Instructions Manual page 26

Connection
4.3 Wiring connection block M12, 7/8"
Wiring M12, 7/8" connector
The tables below contain the connector assignment for the M12, 7/8" connector:
Table 4- 2
Pin
1
2
3
4
5
Thread Shield
*) Can only be used for the M12 terminating resistor. Looping the voltage through to the
next connector via a 5-core cable is not permitted.
26
Connection assignment for M12 connector (PROFIBUS DP)
Assignment
Supply positive (P5V2) *
Data line A (RxD / TxD-N)
Data reference potential (M5V2) *
Data line B (RxD / TxD-P)
Shield
View of M12 connector
Operating Instructions, 07/2015, J31069-D0162-U001-A6-7618
(wiring side)
ASM 456 interface module