Mitsubishi Electric Melsec Q Series User Manual page 148

5 WHEN USING FILE TRANSFER FUNCTIONS (FTP SERVER)
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(6) Precautions when deleting files
1) When determining the timing to delete files, consider the system operation as
a whole including the functions of Q/LCPU and a programming tool.
2) The parameter file and program file can not be deleted during the Q/LCPU is
performing "RUN".
Delete these files after setting the Q/LCPU 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) Files can be deleted only from the Q/LCPU program memory or the RAM
area of the memory card or SD memory card.
5) After deleting a file with the Q/LCPU 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 Q/LCPU.
(7) Precautions for FTP password
When forgetting the FTP password, reset FTP parameters in the following
procedure.
1) Read the parameters from Q/LCPU to the programming tool.
2) Click the "Default" button in the "Setting the Ethernet FTP parameters."
screen and then return all the parameters to the default values.
3) Set the FTP parameters again.
4) Write the set parameters to the Q/LCPU in the "Write to PLC" screen.
To open the "Write to PLC" screen, select [Online] ->[Write to PLC].
5) Enable the parameters by powering off and on or resetting the CPU module.
MELSEC-Q/L
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