Publication 2711P-UM001D-EN-P - September 2005
Terminal Connections 6-7
Serial Connections
The base configured unit of all terminals has a multi-purpose serial
RS-232 port that supports:
• DH-485 communications through a serial connection
• DF1 full duplex communications with controllers using direct
connections or modem connections
• Third party point-to-point communications
• Application uploads/downloads
• Printing
The serial port on the base configured unit of the terminal is a 9-pin,
male, RS-232 connector. The table shows the pinout descriptions for
this port and how these pins map to the serial ports on the controllers.
The maximum cable length for serial communications is:
• 15.24 m (50 ft) at 19200 baud
• 152 m (500 ft) at 9600 baud
Serial RS-232 Port
Base Configured Unit 700-1500
1
5
6
9
Insert plastic tie wrap in th
hole and use as strain relie
for all attached cables.
Serial RS-232 Port
Base Configured Unit 400 and 600
PanelView Plus RS-232 Port
9-pin DCE
SLC
9-pin
PLC
25-pin
MicroLogix/
DNI 8-pin DIN
1
2
23 4
3
32 7
4
420
5
57 2
6
66
7
74
8
85
9
Connector Shell
Chassis Gnd
WARNING
Do not connect or disconnect the communication
cable with power applied to the terminal, or the
serial device on the other end of the cable. An
electrical arc could cause an explosion in hazardous
location installations. Be sure that power is removed
or the area is nonhazardous before proceeding.
RXD
TXD
DTR
COM
DSR
RTS
CTS
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