Configure a ControlNet Module 
 
  Rockwell Automation Publication CNET-UM001F-EN-P - February 2018  57 
3.  From the Network menu, choose Online. 
 
4.  Check Edits Enabled. 
When you enable edits, RSNetWorx for ControlNet software reads 
data in the ControlNet modules and builds a schedule for the network. 
 
5.  Save the file. 
6.  From the Save Configuration dialog box, select Optimize and 
rewrite the schedule for all connections. 
 
7.  Click OK. 
Important: 
It is better to optimize connections. However, in some cases 
involving multiple controllers, the Merge changes into existing 
schedule option is available. This option lets controllers whose 
connections have not changed to continue uninterrupted operation. 
When you merge changes into the existing schedule, those 
controllers whose connections have not changed remain in Run 
mode rather than changing to Program mode. 
8.  In the Logix Designer application, save the online project.