Omron CJ - PROGRAMMING MANUAL 12-2009 Programming Manual page 243

File Memory
3. Data File
4. Symbols Table File
5. Comment File
PLC Setup
CPU Bus Unit Settings
The data file contains the data of one I/O memory data area, in word (16-bit)
units. It is possible to store all of the data in the data area or just a specified
range of addresses. Any one of the following 6 data areas can be stored: the
CIO, Holding, Work, Auxiliary, DM, or EM Area.
Data areas
The symbol table file contains the symbol table information used in the CX-Pro-
grammer as well as the automatically allocated PLC addresses.
Global Symbols Table
Local Symbols Table
The comment file contains the comment information used in the CX-Program-
mer.
Registered I/O tables
Routing tables
Specified range
or
Entire data area
Symbol Address Data Type I/O Comment
Section 5-1
203