Omron CJ2 CPU UNIT SOFTWARE - Comment File; Program Index File; Unit Backup File

7-9
7 File Operations
CJ2 CPU Unit Software User’s Manual
7-2 Types of Files Stored in File Memory
7
7-2-1 File Types
The symbol table file (except network symbols) contains the symbol table information used in the CX-
Programmer as well as the automatically allocated PLC addresses.
The comment file contains the comment information used in the CX-Programmer.
The program index file contains the section information used in the CX-Programmer.
The Unit backup file contains the internal data of a PLC Unit, which is used by the simple backup func-
tion. 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
Symbols Table File (Except Network Symbols)
Comment File
Program Index File
Unit Backup File
Global Symbols Table
Symbol Address Data Type I/O Comment
Local Symbols Table
Annotation
Rung Comment
Section Name:
Section Comment