Ethernet/IP bus interface for DIOLINE20 Vers. 1.00
Description of device
17/45
4.2.4 RS232 interface
The "RS232" X4 connector is a 9-pin SUB-D male multipoint connector.
Pin assignment:
Pin no.
Signal
Description
1
NC
Not used
2
RXD
Receive Data
3
TXD
Transmit Data
4
NC
Not used
5
GND
Ground
6
NC
Not used
7
RTS
Not used
8
CTS
Not used
9
NC
Not used
Housing
connector
PE
Shield (connected to the housing)
1
2
3
4
5
9
8
7
6