Rs232 (System Port) - Eaton XV-102 Operating Instructions Manual

5 Installation
5.3 Interfaces
5.3.4
Wiring
34

RS232 (System Port)

The RS232 interface is not galvanically isolated.
CAUTION
Non-galvanically-isolated interfaces
The device may be damaged by potential differences.
The GND terminals of all bus modules must be connected.

Fig.. 13 RS232 interface (9-pin, D-Sub, male, UNC)
Pin Signal
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Tab. 9 Pin assignment of the RS232 interface
Screened cables must be used.

The maximal baud rate depends on the cable length

Cable length
2.5 m
5 m
10 m
15 m
30 m
Tab. 10 Relationship of cable length / baud rate

When preparing the cables, ensure that there is a low-resistance connection between
the cable screen and the connector casing ( Chapter 5.3.2,  30).
HMI/PLC XV-102 08/2016 MN04802004Z-EN www.eaton.com
1 2 3 4 5
6 7 8 9
Configuration
Data Carrier Detected
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request to Send
Clear To Send
Ring Indicator
Max. baud rate
115200 bit/s
57600 Bit/s
38400 Bit/s
19200 Bit/s
9600 Bit/s