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Restoration Function - Mitsubishi Electric FX5 User Manual

Melsec iq-f series.
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Backup when changing the parameters
If the CPU module parameters have been changed, turn the CPU module power OFF and ON or reset the CPU module to
apply the parameters. Then execute backup. If backup is executed before the parameter changes are applied, restoration
may not be carried out correctly.
Random folder/file
Do not create a random folder/file in the CPU data folder. The backup will not function correctly in the CPU module auto
exchange mode.
22.2

Restoration Function

This function restores backup data in the SD memory card to the CPU module.
Restoration target folder
Set restoration target data among backup data in the SD memory card with SD956 (Restoration target date folder setting) to
SD958 (Restoration target number folder setting). The latest backup data can be restored with b13 (Restoration target folder)
of SD955 (Restoration function setting).
Special register
b13 of SD955
SD957, SD956
SD958
*1 The latest data is the backup data with the largest number in the newest date folder.
Restoration target data
Restoration target data is set with SD954 (Restoration target data setting).
Value of SD954
0
1
2
Note that this function is invalid when restoring with CPU module auto exchange.
22 DATA BACKUP/RESTORATION FUNCTION
174
22.2 Restoration Function
Description
Set the restoration function setting with bit patterns.
• OFF: Data specified with the restoration target folders is restored.
• ON: The latest data is restored.
Specify the date folder of the restoration target data in BCD.
SD957: Year, SD956: Month and date
Specify the folder number (00001 to 32767) of restoration target data.
Restoration target data setting
All target data
Only device/label data
All target data excluding device/label data
*1

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