Siemens OP5 Equipment Manual page 152

Interface Assignment
5 1
9 6
5 1
9 6
D-2
Pin RS 422
1
2
3 TxD (B)
4 RxD (B)
5 GND
6 +5 V
7
8 TxD (A)
9 TxD (A)
Pin
1
2
3
4
5
6
7
8
9
RS 485
Data B
GND
+5 V
Data A
L2–DP/MPI/PPI
Data B (isolated)
GND (isolated)
+5 V (isolated)
Data A (isolated)
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618