Rockwell Automation 1770-KF3 DH-485 Communication Interface User Manual - Manual (Page 14)

Installing the KF3
Chapter 2
2Ć6
Figure 2.7
Connection for First Segment of a Multidrop Network
Jumper to ground
shield connector
1770ĆKF3 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).
DHĆ485
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
To Link Coupler
TO
NEXT
DEVICE
Cable
Belden
#9842
FROM
PREVIOUS
DEVICE
The connection between the third and fourth (end) node is shown in
Figure 2.9.