Device/PLC data overwrites the selected files
on the CF Card or USB Storage device. You cannot save data as a new
file when you manually transfer from the device/PLC to the CF Card
or USB storage device.
To overwrite Device/PLC data in an existing CSV
file, you can select [All Files] or [Overwrite Data Only]. The
[Overwrite Data Only] option overwrites dates and values only and
leaves other data unchanged.