Mitsubishi L02CPU

172
If the backup start contact is turned on while the value in SD690 is 0
H
(Before backup start) or 1
H
(Backup start
prepared), data are not backed up. If the backup start contact is on before the value in SD690 becomes 2
H
(Backup start preparation completed), turning off and then on the backup start contact again while the value in
SD690 is 2
H
(Backup start preparation completed) starts backup.
ON
OFF
OFF
ON
0
12
3
4
OFF
ON
Backup start setup is requested
from a programming tool or the backup
startsetup contact is turned on.
Backup start is requested
from a programming tool or the backup
start contact is turned on.
Before backup start Backup start prepared
Backup start
preparation completed
Backup in execution Backup completed
Backup start
setup contact
SM691
(Backup start
preparation
status flag)
Backup start
contact
SD690
(Backup status)