Configure a ControlNet Module 
 
36  Rockwell Automation Publication CNET-UM001F-EN-P - February 2018 
Important: 
This procedure shows the New Module dialog box for a 1756-CN2. 
However, various dialogs appear during configuration depending 
on the ControlNet module you select. For help configuring a 
module, refer to the online help in the Logix Designer application. 
3.  Complete the fields on the New Module dialog box and then click OK. 
Field  Action 
Name  Type a name for the local ControlNet module. 
Node  Enter the module’s node number on the network. 
Description  Type a description of the local ControlNet module. 
Chassis Size  Enter the total number of slots in the chassis. 
Comm Format  Choose a communication format, as described in 
Communication Format 
  on page 60below. 
You do not need to assign a communication format for 
1784-PCIC, 1784-PCICS, or 1788-CNx cards. 
Slot  Enter the module’s slot number in the chassis. 
Revision  Choose a major and minor revision of Logix Designer 
software. 
Electronic Keying  Choose a keying option, as described in Electronic Keying 
on page 37 on page 40. 
 
The communication format determines the following: 
•  What configuration options are available 
For example, if the module uses None, then you do not have to configure an 
RPI rate on the Module Properties dialog box. 
•  What type of data is transferred between the owner-controller and I/O 
connected via the communication module