AB Pinouts

Tom Jenkins

Lifetime Supporting Member
Join Date
Apr 2002
Location
Milwaukee, WI
Posts
6,300
Can someone give me the pinouts on the RJ45 port on a SLC 5/03 DH-485 Port? A-B seems to hold this info close to the vest.

Thanks,
Tom
 
Try this link:

http://domino.automation.rockwell.c...F6315921381C164E85256AFB006EE6EC?OpenDocument

A cut and paste from the above link.

CABLE PINOUTS:
Data Highway 485 (DH485) Communication Cables:
1747-C10/C11/C13/C20 CABLE PINOUT & CONNECTOR PART NUMBERS

P1 COLOR FUNCTION P2

1 RED CH. B TX/RC 1 TOP
2 BLACK CH. A TX/RC 2
3 BROWN +24 VDC 3 **
4 WHITE SIGNAL GND 4
5 BLUE TX-EN 5
6 DRAIN EARTH GND 6 **
7 GREEN SIGNAL GND 7
8 ORANGE +24 VDC 8 BOTTOM
This is a straight through cable. These cables have only been tested at the 1ft, 6ft and 20ft length Longer lengths "WILL NOT" be supported by Allen-Bradley.

** IMPORTANT NOTE: The 1747-C13 Cable has the "DRAIN" & "BROWN" missing.

I hope this will help.

Sid
 

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