Siemens SINUMERIK 828D Series Software And Hardware Service Manual page 31

5. Press the "OK" softkey to backup the data.
A progress indicator indicate the status of the data backup.
After the data backup has been successfully completed, the following message is output:
6. Confirm this message with "OK".
An archive is created that contains the version-dependent commissioning data from the
NC and PLC and is then stored under the following directory on the system CompactFlash
card: /siemens/sinumerik/sys_cache/archive/savedata.ard
The archive is overwritten with a new version every time the "Save data" button is pressed.
Automatic data backup
As opposed to the "Save data" function, which has to be triggered manually, a backup of the
NC data memory is generated automatically every time the NC restarts. This automatic backup
is performed after the following actions:
● The "Reset (po)" softkey is pressed
● The control is switched off and on
Software and hardware
Service Manual, 08/2018, 6FC5397-5DP40-6BA1
Service cases - software
3.1 Backing up user data
31