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Chapter 5
Create an RSLogix 5000 Software Project
Add the Communication
Module, Linking Device,
and Logix Blocks
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To communicate with the controller, you add a local communication module, the
linking device, and then the Logix Blocks. Within the I/O Configuration folder,
organize the modules into a hierarchy (tree/branch, parent/child).
Add the Communication Module
The communication bridge module establishes the EtherNet/IP address to allow
the linking device to communicate with the ControlLogix controller.
If configuring a 1757-FFLDC linking device, you add a ControlNet
communication module, such as a 1756-CNBR module.
Do these steps to create a communication module.
1. Right-click the 1756 Backplane and choose New Module.
The Select Module dialog box appears with a list of module types.
2. Click the '+' sign in front of Communications.
A list of communication modules appears.
3. Select the appropriate communication bridge module, such as the
1756-ENBT module.
4. Click OK.
Rockwell Automation Publication 1757-UM012A-EN-P - July 2011
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