6 Programming
6-66
NJ-series CPU Unit Software User’s Manual (W501)
The following names must be unique. An error is detected during the program check if they are not.
• Global variable names in the same CPU Unit
• Variable names in the same POU
• Section names in the same POU
• Member names in the same union or structure
• Enumerators in the same enumeration
• Local variable names and global variable names
• POU names and data type names
• Data type names and variable names
• Enumerators of an enumeration and enumerators of another enumeration
• Enumerators and variable names
Names That Must Be Unique