Pin assignments of the PG
submodule
Given in the following table are the pin assignments of the 15-pin
subminiature D-type connector in the front plate of the PG submodule:
Pin
Designation
Current
Direction
Remarks
1
Housing/GND/GND
ext
2
- RxD
→
3
VPG + 5 V_
4
+24 V from bus
5
0 V GND/GND
int
6
+ TxD
←
7
- TxD
→
8
Housing/GND/GND
ext
9
+ RxD
←
10
24 V GND
←
Current return
11
20 mA
→
Current source, transmitter
12
0 V GND/GND
int
13
20 mA
→
Current source, receiver
14
VPG + 5 V_
15
0 V GND/GND
int
9
8
1
15
î : From partner to CPU
→ :
From CPU to partner
5
Interface Submodules
System Manual
C79000-B8576-C199-03
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