Allen-Bradley 1756-DHRIO - Scanning Remote FLEX Adapters Through Multiple 1756-DHRIO Modules in a Local Chassis

Publication 1756-UM514B-EN-P - February 2003
10-4 Connecting a ControlLogix Controller to Remote I/O
Scanning Remote FLEX
Adapters Through Multiple
1756-DHRIO Modules in a
Local Chassis
In this application, a ControlLogix controller scans multiple FLEX
remote I/O adapters through multiple 1756-DHRIO modules in the
local chassis.
Figure 10.4 illustrates the steps you must use in this example:
Figure 10.4
Set the Module
Switches
page 10-5
Configure 1st
DHRIO module
page 10-5
Configure 1st
FLEX adapter
page 10-6
Configure 2nd
DHRIO module
page 10-6
Configure 2nd
FLEX adapter
page 10-7
1756-DHRIOControlLogix controller
1794-FLEX I/O
rack number: 025
starting group 0
1/2 rack
1794-FLEX I/O
rack number: 035
starting group 4
1/4 rack
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