Manual 7XV5655-0BB00
C53000-G1176-C175-3
Page 70 of 79
SIEMENS AG
Pin Assignment
The cables for RS232 and RS485 are connected to the same port and selected
using the DIP switches.
RS232 Interface
SERIAL PORT
9-pin SubD connector
Pin Richtung Definition
1
Screen
2
INPUT
RXD Receive Data
3
OUTPUT
TXD Transmit Data
4
not connected
5
GND Ground (ext)
6
not connected
7
not connected
8
Do not assign !
9
not connected
RS485 Interface
SERIAL PORT
9-pin SubD connector
Pin Direction Definition
1
Screen
2
Do not assign !
3
INPUT/
OUTPUT
RS485 Data-A
4
not connected
5
GND ground (ext)
6
not connected
7
not connected
8
INPUT/
OUTPUT
RS485 Data-B
9
not connected