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2. Select the appropriate cable.
Are you using
Use this cable:
an isolator?
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 (that surrounds the pins) on both ends of the cable.
You can also use a 1747-CP3 cable (from the SLC product family). This cable has a taller
right-angle connector housing than the 1756-CP3 cable.
yes
The 1761-CBL-AP00 cable (right-angle connector to controller) or the 1761-CBL-PM02 cable
(straight connector to the controller) attaches the controller to port 2 on the 1761-NET-AIC
isolator. The mini-DIN connector is not commercially available, so you cannot make
this cable.
1 CD
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
6
7
8
9
DB-9 right-angle or straight cable end 8-pin, mini-DIN cable end
Pin:
DB-9 end:
1
DCD
2
RxD
3
TxD
4
DTR
5
ground
6
DSR
7
RTS
8
CTS
9
na
1769-L31 CompactLogix™ Controller
1 CD
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1
2
6 7 8
3
3
5
4
4
5
1 2
Mini-DIN end:
DCD
RxD
TxD
DTR
ground
DSR
RTS
CTS
na
Publication 1769-IN069A-EN-P - March 2004
15
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