Siemens SIMOTION D410 Series Commissioning Manual page 41

Evaluating via the diagnostics buffer
When they are issued, the following messages are entered once in the diagnostics buffer:
Table 2- 4 Messages of the diagnostics buffer
Entry
Non-volatile data loaded from file
(Persistent Data File Loading done)
Non-volatile data loaded from the backup file
(Persistent Data Backup File Loading done)
Error while loading non-volatile data from a
file
(Persistent Data File Loading Failure)
Refer to the
the contents of the diagnostic buffer.
Evaluating via system variables
The system variables in the device.persistentDataPowerMonitoring structure indicate the
state of the non-volatile SIMOTION data.
Table 2- 5 Status of the non-volatile SIMOTION data
System variable Designation
rtcFailure Indicates that the clock
(as of V4.3) contents (RTC) are invalid
(clock must be set again)
retainDataFailure Indicates a checksum error of
(as of V4.3) the non-volatile SIMOTION
data; can be an indication of
defective HW
persistentDataState Reading the persistent data
As of SIMOTION V4.3, a data loss of the real-time clock is signaled via the system variable
device.persistentDataPowerMonitoring.rtcFailure = YES.
The system variable device.persistentDataPowerMonitoring.persistentDataState indicates
the state of the non-volatile SIMOTION data after powering up:
SIMOTION D410
Commissioning Manual, 02/2012
Meaning
Non-volatile SIMOTION data has been
successfully restored from the backup
file on the CompactFlash Card.
Non-volatile SIMOTION data has been
successfully restored from the backup
copy of the backup file on the
CompactFlash Card.
Backup file or backup copy could not be
loaded.
Possible causes:
Backup file or backup copy not
•
available
Invalid data in backup file
•
SIMOTION SCOUT
Configuration Manual for information about how to read out
Status
NO (91)
YES (173)
NO (91)
YES (173)
See the table
below
Commissioning (hardware)
2.5 User memory concept
Remedy
-
-
Use the
_savePersistentMemoryData
system function to generate a
backup file with valid contents.
Updating
The status is updated once during power-up;
the status must be reset to "NO" via the
application; the status is retained even after
power off/on.
The status is updated once during power-up;
the status must be reset to "NO" via the
application; the status is retained even after
power off/on.
The status is updated during power-up.
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