Publication 1747-IN062A-MU-P - April 2003
2
SLC
®
500 Programmable Controller Isolated Link Coupler
DH-485 Connections
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.
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.
Belden #3106A
Belden #9842
For this wire/pair
Connect this wire
To this terminal
For this wire/pair
Connect this wire
To this terminal
Shield/Drain
Non-jacketed
2 - Shield
Shield/Drain
Non-jacketed
2 - Shield
Blue
Blue
3 - Common
Blue/White
White with Blue Stripe
No connection - cut back
Blue with White Stripe
3 - Common
White/Orange
White with Orange Stripe
4 - Data B
White/Orange
White with Orange Stripe
4 - Data B
Orange with White Stripe
5 - Data A
Orange with White Stripe
5 - Data A
Belden #3106A or #9842
Shrink Tubing Recommended
Orange with White Stipes
White with Orange Stipes
Blue (#3106A) or Blue with White Stripes (#9842) Drain Wire
to Previous Device
to Successive Device
6 Termination
5 A
4 B
3 Common
2 Shield
1 Chassis Ground
6 Termination
5 A
4 B
3 Common
2 Shield
1 Chassis Ground
Multiple Connections
Single Connection
