Eaton XV300 Series - Serial Communication Interfaces

5. External connections
5.5 Serial interfaces for communication with PLCs or devices
5.5 Serial interfaces for communication with PLCs or devices
5.5.1 COM1 RS-232
The RS232- interface is not electrically isolated.
CAUTION
NON-GALVANICALLY-ISOLATEDINTERFACES
TheXV300maybedamagedbypotentialdifferences.
The GND terminals of all bus modules must be connected.
Do not connect the connector to the XV300 or disconnect it without first de-
energizing the system.
SUB-D plug
9-pole
PIN Signal Description
1
DCD
Data Carrier Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
GND
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear To Send
9
RI
Ring Indicator

Plug housings
GND
Functional earthing
Table12:PinassignmentCOM1RS-232,notgalvanicallyisolated,SUB-Dplug9-pole,
UNCnutsforinterlocking
5.5.1.1 Wiring
l Shielded cables must be used.
l The maximum baud rate depends on the cable length
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
Table13:RS-232cablelengthbasedonbaudrate
Whenpreparingconnections,ensurethatthecableshieldhasalow
impedanceconnectionwiththeconnectorhousing.
52
XV30012/15 MN048017 ENwww.eaton.eu