Publication 1756-UM514B-EN-P - February 2003
10-8 Connecting a ControlLogix Controller to Remote I/O
Scanning 1771 Remote I/O
Adapters Through a
1756-DHRIO in a Remote
Chassis
In this application, a ControlLogix controller scans remote FLEX I/O
modules through a 1756-DHRIO module in a remote chassis over a
ControlNet network.
Figure 10.9 illustrates the steps you follow to use
this application:
Figure 10.9
1756-CNB
Network address: 01
ControlLogix controller
1771 I/O
rack number: 025
starting group 0
1/4 rack
41421
ControlLogix chassis #1 ControlLogix chassis #2
1756-CNB
Network address: 23
1756-DHRIO
Set the Module
Switches
page 10-9
Configure 1st
CNB module
page 10-9
Configure 2nd
CNB module
page 10-10
Configure 2nd
DHRIO module
page 10-10
Configure
1771 Adapter
page 10-11
Run
RSNetWorx
page 10-11
12 3
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