Serial connections – Rockwell Automation 2711P PanelView Plus Terminal User Manual User Manual
Page 171
Publication 2711P-UM001J-EN-P - November 2009
171
Terminal Connections Chapter 7
Serial Connections
The base-configured unit of all terminals has a multi-purpose serial
RS-232 port that supports:
•
DH-485 communication through a serial connection.
•
DF1 full duplex communication with controllers using direct
connections or modem connections.
•
third-party point-to-point communication.
•
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.
Serial Port Connector Pinout
The maximum cable length for serial communication is
15.24 m (50 ft).
Serial RS-232 Port
Base-configured Unit 700 to 1500
1
5
6
9
Insert plastic tie wrap in
the hole and use as strain
relief 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
2
3
4
3
3
2
7
4
4
20
5
5
7
2
6
6
6
7
7
4
8
8
5
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