Rockwell Automation 1794-IJ2XT FLEX I/O Frequency Input Modules User Manual - Manual (Page 40)

Publication 1794-6.5.11 - September 2011
30 Configure Your FLEX I/O Module with RSLogix 5000 Software
1. Select New Module for the I/O Configuration.
2. The Select Module dialog appears.
Select the FLEX I/O module from the Specialty module type. Click OK
3. The New Module dialog appears.
Right-click the local communication module.
Select New Module.