Mitsubishi Electric IQSS-R-E Reference Manual page 74

If any of the following operations are performed with a display unit during data backup, the operation will be completed
abnormally and the error is displayed on the display unit.
Operation name
Project data batch save/load function
File deletion on the "Memory card operation menu" screen of a display unit
4 CC-Link
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4.5 Backing up/Restoring Data of Devices Supporting iQSS