68  Rockwell Automation Publication CNET-UM001F-EN-P - February 2018 
Important: 
This procedure shows the Module Properties dialog box for a 
1794-IB16XOB16P/A digital combo module. However, various 
dialogs appear during configuration depending on the type of 
distributed I/O. For help configuring a module, refer to the online 
help in Logix Designer application. 
 
To  Then 
Use the module’s default 
configuration 
•  Type the module name, 
communication format, 
and RPI. 
•  Click Finish. 
Customize the configuration 
•  Type the module name, 
communication format, 
and RPI. 
•  Click Next to proceed 
through subsequent 
screens to configure 
additional parameters, 
such as filter times and 
fault actions. 
 
Your selection of  communication format when you add distributed I/O 
modules is based on whether you want rack-optimized or direct connections 
to each distributed I/O module and corresponds directly with the 
communication format you chose for your remote adapter.  
Remote Adapter Communication 
Format 
Distributed I/O Communication 
Format 
Rack Optimization  Rack Optimization 
None  An appropriate direct-connection format 
 
 
Communication 
Formats