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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