Connecting The Communication Cable To The Link Coupler; Grounding And Terminating The Dh-485 Network - Allen-Bradley 1747-AIC Installation Instructions Manual

®
2 SLC 500 Programmable Controller Isolated Link Coupler
DH-485 Connections
Single Connection
Orange with White Stipes
White with Orange Stipes
Belden #3106A or #9842
Shrink Tubing Recommended
Blue (#3106A) or Blue with White Stripes (#9842) Drain Wire
Belden #3106A
For this wire/pair Connect this wire
Shield/Drain Non-jacketed
Blue Blue
White/Orange White with Orange Stripe
Orange with White Stripe
Publication 1747-IN062A-MU-P - April 2003

Connecting the Communication Cable to the Link Coupler

Attach the terminal block of the link coupler to the Belden #3106A or
#9842 cable as shown below.
to Successive Device
6 Termination
5 A
4 B
3 Common
2 Shield
1 Chassis Ground
To this terminal For this wire/pair
2 - Shield Shield/Drain
3 - Common Blue/White
4 - Data B White/Orange
5 - Data A

Grounding and Terminating the DH-485 Network

Only one of the Link Couplers at the end of the link must have
Terminals 1 and 2 of the network connector jumpered together.
Link couplers at both ends of the network must have Terminals 5 and
6 of the link connectors jumpered together.
Use Belden #9842 shielded, twisted-pair cable.
Multiple Connections
to Previous Device
Belden #9842
Connect this wire To this terminal
Non-jacketed 2 - Shield
White with Blue Stripe No connection - cut back
Blue with White Stripe 3 - Common
White with Orange Stripe 4 - Data B
Orange with White Stripe 5 - Data A
6 Termination
5 A
4 B
3 Common
2 Shield
1 Chassis Ground