ABB COM600 series Data Historian Operator's Manual page 85

1MRS756739 COM600 series, Version 5.0
Data Historian Operator's Manual
If start and end values are equal, the update function produces a value only to the
beginning of the first period within the time span.
AverageTrendAfterUpdatingPacked.jpg
Figure 5.7.1-8 An average value table after updating with new values in the beginning of the time span
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