Select the appropriate cable – Rockwell Automation 1769-L31 CompactLogix Controller Installation Instructions User Manual
Page 16
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16 1769-L31 CompactLogix Controller
Publication
1769-IN069C-EN-P - May 2008
.
2. Select the appropriate cable.
Isolator Use
Cable
No
The 1756-CP3 cable attaches the controller directly to the controller.
If you make your own cable, it must be shielded and the shields must be tied
to the metal shell surrounding the pins on the ends of the cable.
You can also use a 1747-CP3 cable. This cable has a taller right-angle
connector housing than the 1756-CP3 cable.
Port 1: DB-9
RS-232, DTE
Communication
Rate Selector
Switch
Port 2: Mini-DIN
8 RS-232
DC Power Source
Selector Switch
Terminals for External 24V
DC Power Supply
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
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