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POINT
Secure backup by long-term storage
Programs and parameter files are automatically backed up to the program
memory (Flash ROM) which does not require a battery backup. This prevents a
loss of the program and parameter data due to the flat battery.
The battery backup time is also reduced significantly.
In addition, the important data (such as device data) can be backed up to the
standard ROM to prevent a loss of the data due to the flat battery in case of
consecutive holidays.
The backup data is restored automatically when the power is turned on next
time.
Programming
tool
Latch data
Backup
file
(Standard ROM)
File register
(Standard RAM)
Device data
Device memory
No battery
backup
needed!
CPU built-in memory
Program memory
(Flash ROM)
Program
cache memory
(SRAM)
For program
execution
No battery
required
for data
protection
Backup
execution
condition is
ON
Write programs