7 File Operations
Parameter File
The parameter file contains the CPU Unit's internal Parameter Area data. The Parameter Area data
includes the PLC name, PLC Setup, I/O tables, CPU Bus Unit settings (including the data link parame-
ters), and routing tables.
PLC Setup
CPU Bus Unit Settings
Data File
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.
7-8
I/O tables
Routing tables
Data areas
Specified range
or
Entire data area
CJ2 CPU Unit Software User's Manual