Mitsubishi L02CPU User Manual page 147

Suppose "Take measures against power off" is specified and the same file as the transfer target file exists in the transfer
destination. If the size of free space in the transfer destination is smaller than the size of the transfer file (temporary file), and
error occurs even when "Overwrite all" or "Overwrite only updated file" is specified in the file overwrite setting.
(5) Special relay and special register
The following table lists the special relay and special register used with this function.
For details, refer to the following.
MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)
Number
SM1298 FTP client connection status
Total number of files to be
SD1256
processed
SD1257 Number of files processed
Name
This relay turns on when the connection with the FTP server is established.
The relay turns off when the connection with the FTP server is cut off
(disconnection).
This register stores the total number of files to be processed by the file transfer
function (FTP client). The data is stored at the start of the file transfer (END
processing).
This register stores the number of files processed by the file transfer function (FTP
client).
The data is cleared to 0 at the start of the transfer processing. The data is
incremented by one every time processing of a file is completed.
CHAPTER 10 FILE TRANSFER FUNCTION (FTP CLIENT)
Description
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