Publication 1761-UM004B-EN-P - June 2006
Installation and Wiring 15
The table below shows connections for Belden #3106A.
The table below shows connections for Belden #9842.
Only one connector at the end of the link must have Terminals 1 and
2 jumpered together. This provides an earth-ground connection for
the shield of the communication cable.
Both ends of the network must have Terminals 5 and 6 jumpered
together. This connects the termination impedance (120
Ω) that is built
into each AIC and AIC+ interface converter as required by the RS-485
specification.
End of Line Termination
Belden #3106A Cable
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 #9842 Cable
For This Wire/Pair Connect This Wire To This Terminal
Shield/Drain Non-jacketed Terminal 2 – Shield
Blue/White White with Blue Stripe Cut back – no connection
(1)
(1)
To prevent confusion when installing the communication cable, trim the white and blue striped wire
immediately after the insulation jacket is removed. This wire is not used by DH-485.
Blue with White Stripe 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 Cable
1219 m (4000 ft) Maximum
Jumper
Jumper
Jumper
Allen-Bradley Spares
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