Mitsubishi MELSEC Q Series Reference Manual page 265

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3 WHEN COMMUNICATING USING THE QnA COMPATIBLE 3E/3C/4C FRAMES OR 4E FRAME
(2) When changing attributes of LCPU files (subcommand "0004")
The following conditions apply to the example of changing file attributes below.
Keyword
Drive number
Filenames whose attributes are to be changed
Attributes to change
(a) Communication in ASCII code
(b) Communication in binary code
POINT
(1) When the following files are designated while the Q/LCPU is in operation, an
error occurs and an abnormal completion code will be returned.
• Parameter file
• Files in the program memory (drive name: 00
currently in operation.
(2) Attributes can be changed only between 01
can be read/written to).
AbCd1234 • • • (24 spaces,
code: 20 )
H
0
MAIN.QPG
Read only
) of the QCPU that is
H
(read only file) 20
H
(files that
H
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