Rockwell-automation 1770-KF3 DH-485 Communication Interface User Manua User Manual download pdf (Page 14)

Installing the KF3

Chapter 2

26

Figure 2.7

Connection

for First Segment of a Multidrop Network

Jumper

to ground

shield connector

1770KF3 on one end of the link

Link coupler to first SLC 500

Jumper to

terminate node

* The black wire of the white/black pair should be cut back (no connection).

DH485

Cable

The cable connecting the second and third nodes of the multidrop network

(neither of which is an end station) is shown in Figure 2.8.

Figure 2.8

Connection

Between Two Intermediate Nodes

Red/Black

Pair

* The black wire of the white/black pair should be cut back (no connection).

Cable

Belden

#9842

o Link Coupler

DEVICE

Cable

Belden

#9842

FROM

DEVICE

The connection between the third and fourth (end) node is shown in

Figure 2.9.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 58 59

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Rockwell-automation 1770-KF3 DH-485 Communication Interface User Manua User Manual Page 14