From OpenSCADAWiki
Notes:
- The controller object scheduling must be set in the period 10...60 seconds.
- "Currents try period" — the reading period of current values and last archive values.
- "Time limit of processing" (60) in each cycle — the archives will be read up to the time elapsing.
- To apply any changing the archivers configuration you must reset also if you disable/enable the parameter.