After Importing the (*.l5x) file to the Rockwell Studio 5000 Logix, we can map the pre-defined data types to any registers.
Remark: The (*.l5x) file contains user-defined data types and can be used to import the message format into Rockwell Studio 5000 Logix Designer. This file is required to be certified officially by Rockwell.
Step #1: Import Data Type (.L5X)
Note: T2O represents Target to Originator, read values from the target machine; O2T represents Originator to Target, write values to the target machine.
Step #2: Create Tags by using combined assembly for convenience. 
Step #3: Programing PLC ladder to sync I/O data by using datatype assemblies.
Step #4: Download to PLC
Step #5: Run PLC
The (*.l5x) file is imported and tags are created successfully.
