User manual

26 Rockwell Automation Publication 1769-UM011I-EN-P - February 2013
Chapter 2 Install the 1769-L3x Controllers
Make RS-232 Connections to
the Controller
Connect the 9-pin female end of the serial cable to the serial port of the
controller.
RS-232 Cable
WARNING: If you connect or disconnect the serial cable with power applied to
this module or the serial device on the other end of the cable, an electrical arc
can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
TIP
This cable must be shielded and tied to the connector housing.
44735
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1 CD
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1 CD
1747-CP3 or 1756-CP3
9-pin, Male D-shell Straight
Cable End
9-pin, Female
D-shell Right-angle
Cable End
Straight Cable End Right-angle Cable End