Terminate the dh-485 node shield, Terminate the dh-485 network – Rockwell Automation 1770 DH,DHII,DH485 CABLE User Manual
Page 112
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Constructing a DHĆ485 Cable System
Chapter 9
9-5
Terminate the DH-485 Node Shield
Only one of the devices in the network requires an earth ground connection for
the shield of the communication cable.
To provide shield termination, jumper terminal 2 (SHLD) and terminal 1 (CHS
GND) together.
6
5
4
3
2
1
Orange-White
Stripe
Blue-White
Stripe
Shield/Drain
TERM
A
B
COM
SHLD
CHS GND
Belden 9842 Cable
18762
White-Orange
Stripe
Jumper
Terminate the DH-485 Network
To terminate the network, jumper node terminal 5 (A) and terminal 6 (TERM)
on each end of the network.
6
5
4
3
2
1
Orange-White
Stripe
Blue-White
Stripe
Shield/Drain
TERM
A
B
COM
SHLD
CHS GND
Belden 9842 Cable
18761
White-Orange
Stripe
Jumper
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