Siemens SIMATIC S5 Manual page 90

Operation
Pin Assignment of Connector X8 for the PG Interface
Connection for:
Socket
Shield
1
2
---
3
4
---
5
6
7
Shield
8
9
Ground
10
-20 mA/transmitter
11
12
-20 mA/receiver
13
---
14
Backplane Connectors Xl/X? and Memory Cartridge Connector X3
Fig. 3/1 O Backplane connector Xl
3-16
d
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
L
z
b
+5 v
Ground
/RDY
BASP
Ground