Modify File Information (Command: 1204) - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Modify file information (command: 1204)

The following examples show the procedure to modify the file information of the specified file.
Message format
■Request data
• Modify file creation date and time (subcommand: 0000)
ASCII
Subcommand
Modification pattern Last edit time
Binary
Setting
Keyword
Subcommand
flag
Modification Last edit Last edit
pattern time date
• Modify file name, attribute, file size (subcommand: 0001)
ASCII
Subcommand
Modification
Attribute
(Before modification) pattern
Binary
Setting
Subcommand
Keyword
flag
File name
Attribute Modification
(After
(Before
pattern
modification)
modification)
The size can be modified only while the QnACPU is in STOP. A consecutive free area of the specified size is
necessary on the specified drive. The free area can be checked by reading memory usage status shown in
the following section.
Page 293 Read drive memory usage status (command: 0205)
Keyword Setting flag Drive name
Last edit date
Drive File
File No.
Extension Attribute
name name
Keyword Setting flag Drive name
File name Extension
(After modification) (After modification)
File name Extension
Drive
File No.
(Before (Before
name
modification) modification)
Extension Attribute Fixed
File size
(After
(After
value
modification) modification)
File No. File name
Extension Attribute
File name
File No.
(Before modification) (Before modification)
Attribute
File size
(After modification)
15 QnACPU DEDICATED COMMANDS
Extension
Fixed value
329
15.3 File Control
15