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MELSEC-Q
5 WHEN USING FILE TRANSFER FUNCTIONS (FTP SERVER)
(6) Precautions when deleting files
1) When determining the timing to delete files, consider the system operation as
a whole including the functions of QCPU and GX Developer.
2) The parameter file and sequence program file can not be deleted during the
QCPU is performing "RUN".
Delete these files after setting the QCPU to the stop status.
3) Files with read-only attribute and files that are locked from another device or
function cannot be deleted.
The file attributes can be changed using the FTP operation command,
"quote change" .
4) File deletion can only be conducted for the QCPU program memory or
memory card RAM area.
5) After deleting a file with the QCPU in RUN status, do not read or write the
data of the deleted file by the sequence program. Doing so may result in an
operation error detected in the QCPU.
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