Pin Assignments Of The Sinec L1 Submodule - Siemens S5-155U System Manual

Interface Submodule
Pin assignments of the
SINEC L1 submodule
8
15
9
1
5 - 92
Shown in the following figure are the pin assignments of the 15-pin
subminiature D-type connector in the front plate of the SINEC L1
submodule:
Pin Designation
1 Housing/GND/GND
ext
2 - RxD
3 VPG + 5 V_
4 +24 V from bus
5 24 V GND
6 + TxD
7 - TxD
8 Housing/GND/GND
ext
9 + RxD
10 24 V ground
11 20 mA
12 24 V ground
13 20 mA
14 VPG + 5 V_
15 24 V ground
î : from partner to CPU
→ : from CPU to partner
Current Remarks
Direction
→
←
→
←
←
Current return
→
Current source, transmitter
→
Current source, receiver
System Manual
C79000-B8576-C199-03