Eaton XV-112, Руководство по эксплуатации

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5 Installation
5.3 Interfaces
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MICRO PANEL XV-112 11/2011 MN04802005Z-EN www.eaton.com
5.3.4 RS232 (System Port)
The RS232 interface is not electrically isolated. The GND pin is directly connected to the housing
potential.
Tab. 7 Pin assignment of the RS232 interface
Wiring

Shielded cables must be used.

The maximum baud rate depends on the cable length:
Tab. 8 Relationship of cable length / baud rate
CAUTION
Non-isolated interfaces
The device may be damaged due to potential differences.

The GND terminals of all bus stations must be connected.
Fig. 9 RS232 interface (9-pin, D-Sub, male, UNC)
Pin Signal Assignment
1 DCD Data Carrier Detected
2 RxD Receive Data
3 TxD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
1 2 3 4 5
6 7 8 9
Cable length Max. baud rate
2.5 m 115200 Bit/s
5 m 57600 Bit/s
10 m 38400 Bit/s
15 m 19200 Bit/s
30 m 9600 Bit/s