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File Memory Section 5-1
6. Program Index File
The program index file contains the section information used in the CX-Pro-
grammer.
7. Unit/Board Backup File
The Unit/Board backup file contains the internal data of a PLC Unit or Board,
which is used by the simple backup function. These files are created when the
simple backup operation is executed. Internal data is stored for each Unit.
Example:
DeviceNet Units: Device parameters
Serial Communications Units: Protocol macro data
File Types and File
Operations
Annotation
Rung Comment
Section Name:
Section Comment
File type Related file memory operations
• Program files
• Data files
• Parameter files
• Programming Device (CX-Programmer or Programming
Console)
• FINS commands
• File memory instructions
• Simple backup operation
• Auxiliary Area Flags
• Symbol table files
• Comment files
• Program index files
• CX-Programmer
• Simple backup operation
• Unit/Board backup files • Simple backup operation
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