Siemens SIMOTION D410 Series Commissioning Manual page 38

Commissioning (hardware)
2.5 User memory concept
System variable "device.persistentDataPowerMonitoring.persistentDataState" indicates the
status of non-volatile data after startup:
Table 2- 5
Status
FROM_RAM (1)
FROM_FILE (2)
FROM_BACKUP (3)
INVALID (4)
See also
SIMOTION D410 memory model (Page 31)
38
Status of non-volatile data after startup (persistentDataState system variable)
Meaning
Non-volatile data is activated in the SIMOTION device
Non-volatile data was restored from the backup file
Non-volatile data was restored from the backup copy
Data in the non-volatile data and in the backup file/backup copy of backup
file are invalid or non-existent/deleted.
The SIMOTION device copied the factory settings to its non-volatile data
and started up using this data.
D410
Commissioning Manual, 05/2009