Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 136)

136 Rockwell Automation Publication 1756-UM514C-EN-P - June 2014
Chapter 11 Connecting a ControlLogix Controller to Remote I/O
Scan Remote FLEX Adapters
through One 1756-DHRIO or
1756-DHRIOXT Module in a
Local 1756-Chassis In this application, a ControlLogix controller controls remote I/O modules
through a 1756-DHRIO or 1756-DHRIOXT module in the local chassis.
The following figure illustrates the steps you follow to use this application.
Configure the Module Switches
In this application, channel B on the 1756-DHRIO or 1756-DHRIOXT
module must be set for RIO. Channel A can be used for remote I/O or DH+,
regardless of the usage assigned to channel B.
Configure the Module
Use the Studio 5000 environment to configure the 1756-DHRIO or
1756-DHRIOXT module. The following figure shows some sample
configuration dialog boxes for the 1756-DHRIO or 1756-DHRIOXT module
in this example.
41415
1756-DHRIO ControlLogix Controller
Slot Number: 0
1794-FLEX I/O
Rack Number: 025
Starting Group 0
1/2 Rack