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File Memory Section 3-2
2. The HMC-AP001 Memory Card Adapter is shown below.
3-2-1 Files Handled by CPU Unit
Files are ordered and stored in the Memory Card or EM file memory accord-
ing to the file name and the extension attached to it.
General-use Files
Files Transferred
Automatically at Startup
Including Parameter File
Excluding Parameter File (CPU Unit Ver. 2.0 or Later)
File type Contents File name Extension
Data files Specified
range in I/O
memory
Binary ********
(See note 1.)
.IOM
Tex t .T XT
CSV .CSV
Program files All user programs .OBJ
Parameter
files
PLC Setup, registered I/O
tables, routing tables, CPU Bus
Unit settings, and Controller
Link data link tables
.STD
File type Contents File name Extension
Data files DM area data (stores data for
specified number of words start-
ing from D20000)
AUTOEXEC .IOM
DM area data (stores data for
specified number of words start-
ing from D00000)
ATEXECDM .IOM
EM area for bank No. @ (stores
data for specified number of
words starting from E@_00000)
ATEXECE@ .IOM
Program file All user programs AUTOEXEC .OBJ
Parameter file PLC Setup, registered I/O tables,
routing tables, CPU Bus Unit set-
tings, and Controller Link data
link tables
AUTOEXEC .STD
File type Contents File name Extension
Data files DM area data (stores data for
specified number of words start-
ing from D20000)
REPLACE
(CPU Unit Ver.
2.0 or later only)
.IOM
DM area data (stores data for
specified number of words start-
ing from D00000)
REPLCDM
(CPU Unit Ver.
2.0 or later only)
.IOM
EM area for bank No. @ (stores
data for specified number of
words starting from E@_00000)
REPLCE@
(CPU Unit Ver.
2.0 or later only)
.IOM
Program file All user programs REPLACE
(CPU Unit Ver.
2.0 or later only)
.OBJ
Parameter
file
--- Not needed ---