Siemens SIMATIC Ident Function Manual page 95

Table A- 16
Thread
*) 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.
Table A- 17
Pin
FB 45 for MOBY U, MOBY D, RF200, RF300
Function Manual, 07/2012, J31069-D0166-U001-A4-7618
Connection assignment for M12 connector (PROFIBUS DP)
Pin Assignment
1 Supply positive (P5V2) *
2 Data line A (RxD / TxD-N)
3 Data reference potential (M5V2) *
4 Data line B (RxD / TxD-P)
5 Shield
Shield
Pin assignment for 7/8" connector (supply voltages)
Assignment
1 Load voltage ground (2M)
2 Ground for electronics/encoder supply (1M)
3 PE
4 Electronics / encoder supply (1L+)
(voltage supply for ASM 456 and reader)
5 Load voltage supply (2L+)
(unused on ASM 456)
Brief description of the hardware
A.3 ASM 456
View of M12 connector
(wiring side)
View of 7/8" connector
(wiring side)
95