Rockwell Automation Publication 2711P-UM006A-EN-P - November 2010 127
Terminal Connections Chapter 7
DH-485 Network Port Wiring
Refer to the figures to attach the RS-485 connector to a Belden 3106A or 9842
cable. Refer to
Connections to Controllers on page 118 if you are using standard
Allen-Bradley cables.
Figure 16 - Daisy-chain Connection
Attach the connector to a Belden 3106A or 9842 cable as shown Figure 17 or
Figure 18
.
Figure 17 - Single Cable Connection
Figure 18 - Multiple Cable Connection
IMPORTANT
A daisy-chained network is recommended. We do not recommend a
hybrid star/daisy chain networks as shown.
Table 56 - Belden 3106A Wire Connections
For this Wire/Pair Connect this Wire To this Terminal
Shield/Drain Non-jacketed Terminal 2 - Shield
Blue Blue Terminal 3 - (Common)
White/Orange White with Orange Stripe Terminal 4 - (Data B)
Orange with White Stripe Terminal 5 - (Data A)
Belden
#3106A or
#9842
Belden
#3106A or
#9842
Belden
#3106A or
#9842
Connector
Connector
Connector
Incorrect
Orange with White Stripes
White with Orange Stripes
Shrink Tubing
Recommended
Blue (#3106A) or
Blue with White Stripes (#9842)
Drain Wire
6 Terminal
5 A
4 B
3 Common
2 Shield
1 Chassis Ground
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to Successive Device
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