AB Quality Allen-Bradley DH-485 User Manual page 13

RS 232C
Cable
Host Computer
Connecting to a DH 485 Network (Multi Point Configuration)
Figure 2.6 shows a network consisting of three SLC 500 programmable
controllers and one host computer station.
Figure 2.6
Connecting to Multiple SLC 500s via the DH 485 Network
DH 485 Cable
Belden #9842
KF3
This configuration requires the KF3 and three link couplers:
one SLC 500 family controller is connected to each of the link couplers
with a 1747-C11 cable
the KF3 is connected to the network at one of the link couplers
the DH-485 cable consists of three segments of cable daisy-chained to
the link couplers and the KF3
The connection between the first node (the KF3) and the link coupler to the
second node is shown in Figure 2.7.
Chapter 2
Installing the KF3
Link
Coupler
1747 AIC
1747 C11 Cable
Link
Coupler
1747 AIC
1747 C11 Cable
Link
Coupler
1747 AIC
1747 C11 Cable
SLC 500
Controller
SLC 500
Controller
SLC 500
Controller
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