Rockwell Automation 2711PC-xxxx PanelView Plus 6 Compact Terminals User Manual - Manual (Page 129)

Rockwell Automation Publication 2711PC-UM002B-EN-P - April 2014 129
Connections and Communication Chapter 6
Serial Connection The RS-232 serial port is multi-purpose and supports these connections:
• 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 transfers and printing
The serial port is a 9-pin, male, RS-232 connector. Table 44 shows the pinout
descriptions and how these pins map to the serial ports on the controllers.
The maximum cable length for serial communication is 15.24 m (50 ft).
6
1 1
6
Insert plastic tie wrap in the hole and
use as strain relief for all attached
cables.
9 8 7 6
5 4 3 2 1
Table 44 - RS-232 Serial Port Connector Pinout
PanelView Plus 6 Compact
RS-232 Port 9-pin DCE
SLC or Logix
9-pin
PLC
25-pin MicroLogix/
ENI 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 no connect or disconnect communication cable with power
applied to the terminal or the serial device connected to the terminal. 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