Siemens CP 5512 Installationsanleitung Seite 41

Pinout of the PROFIBUS Port
Pin Signal Name
No.
1 nc
2 nc
3 B (RxD/TxD-P) Data line B
4 RTS_AS Handshake line for di-
rect PLC coupling
5 Ground (0V) Data reference poten-
tial
6 +5V *) Power supply plus for
supplying the bus ter-
mination
7 nc
8 A (RxD/TxD-N) Data line A
9 RTS_PG Signals ready to send
Casing PE Shield contact
*) The power supply on the sub D socket connector (PIN 6) is used only
for bus termination and can be subjected to a maximum load of 10
mA.
For more detailed information on the structure and configuration
of PROFIBUS networks, refer to the following documentation:
Manual for PROFIBUS Networks 6GK1970-5CA10-0BA0
CP 5512 Installation Instructions/Product Information
A5E00175148-02
Installing the Network Card
Description IN/OUT
-
-
Input/output
Input
-
-
-
Input/output
Output
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41