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+--- Thread: Trend logs lost after restart (/showthread.php?tid=3037)
Trend logs lost after restart - gtsamis - 01.12.2020
Hi,
All trend logs of current day was lost after a power failure. The same happend few days ago but thought it ws something else.
Is this a bug or normal?
RE: Trend logs lost after restart - Daniel - 01.12.2020
Hi
This is normal behavior. The project itself is saved to permanent memory every 30min but this exclude trends. They have saving procedure defined in different way. The bigger the total trend size the less often it is saved to flash. It can be up to 24h. See this table to check how often your trends are saved.
RE: Trend logs lost after restart - gtsamis - 01.12.2020
My total trend log size is 13mb so there is a save every 24hours correct?
Is there any way i could save them more often?
RE: Trend logs lost after restart - Daniel - 01.12.2020
The only way I know is via changing resolution to a lower value to make the size smaller. This was designed to protect flash from degrading too fast.
RE: Trend logs lost after restart - gtsamis - 01.12.2020
(01.12.2020, 11:22)Daniel. Wrote: The only way I know is via changing resolution to a lower value to make the size smaller. This was designed to protect flash from degrading too fast.
Unfortunately that's not an option in the specific project. could i change the save location to a usb drive?
RE: Trend logs lost after restart - Daniel - 01.12.2020
You can only export trends in csv format elsewhere.
RE: Trend logs lost after restart - gtsamis - 01.12.2020
(01.12.2020, 11:36)Daniel. Wrote: You can only export trends in csv format elsewhere.Ok, thank you