Siemens OP7 Equipment Manual page 170

Table D-3
5 1
9 6
Table D-4
5 1
9 6
Table D-5
5 1
9 6
1) Reserved for future use. From current-limited source < 1A only.
2) Can be switched by means of the DIP switch (for switch settings refer to
D-2
Pin assignment 9-pin sub-D socket
Pin General
1 n.c.
1)
2 (GND)
3
4
5 GND
6 +5 V
1)
7 (P24-In)
8
9
Pin assignment 9-pin sub-D socket
Pin General
1 n.c.
1)
2 (GND)
3
4
5 GND (floating)
6 +5 V (floating)
1)
7 (P24-In)
8
9
Pin assignment 9-pin sub-D socket
Pin General PROFIBUS-DP
1 n.c.
1)
2 (GND)
3 Data B
4 RTS
5 GND (floating)
6 +5 V (floating)
1)
7 (P24-In)
8 Data A
9 RTS
Section 14.2.3)
RS422
TxD (B) Data B
RxD (B)
TxD (A) Data A
RxD (A)
PROFIBUS-DP
Data B
2)
RTS
Data A
2)
RTS
RS422
TxD (B)
2) 2)
RxD (B)
TxD (A)
2) 2)
RxD (A)
Equipment Manual OP7, OP17
RS485
RS485
Data B
Data A
Release 04/99