Backup To Sd Memory Card - Mitsubishi L02CPU User Manual

3.30.1

Backup to SD memory card

This function can save data in the CPU module to an SD memory card. If an SD memory card is used in a running
system, data can be backed up by replacing the SD memory card with the one for storing a backup data.
(1) Procedure
Backup start setup request
from a programming tool
Backup start request
from a programming tool
Backup to the SD memory card is completed.
*1 After preparation for backup is completed, the following function is disabled.
• Auto refresh of intelligent function module
*2 Do not perform the following during backup.
• Insertion and removal of an SD memory card
• Power-off
• Reset
Backup status can be checked in SD690.
SD690 value
0
H
1
H
2
H
3
H
4
H
FF
H
168
Start
Before backup start
The backup start setup
contact is turned on.
Backup start prepared
Backup is ready to start.*
Backup start preparation completed
The backup start contact
is turned on.
2
Backup in execution*
Backup completed
End
Status
Before backup start
Backup start prepared
Backup start preparation completed
Backup in execution
Backup completed
Backup error
1
Backup failed.
Backup error
Backup is not started
An SD memory card can be inserted/removed
Set data to backup
Backup is in execution
Backup has been completed
Backup has failed due to an error
Back up data again.
Description