Annex A (informative) Aggregate Specific examples – Historical Access ToC Previous

A.38 VariancePopulation ToC Previous

A.38.2 VariancePopulation data ToC Previous

Historian1      
Timestamp Value StatusCode Notes
12:00:00.000 0 Good, Calculated, Partial  
12:00:20.000 25 Good, Calculated  
12:00:40.000 0 UncertainDataSubNormal, Calculated  
12:01:00.000 0 UncertainDataSubNormal, Calculated  
12:01:20.000 25 Good, Calculated, Partial  
Historian2      
Timestamp Value StatusCode Notes
12:00:00.000 0 Good, Calculated, Partial  
12:00:20.000 16.667
Good, Calculated  
12:00:40.000 25 UncertainDataSubNormal, Calculated  
12:01:00.000 0 UncertainDataSubNormal, Calculated  
12:01:20.000 66.667
Good, Calculated, Partial  
Historian3      
Timestamp Value StatusCode Notes
12:00:00.000 0 Good, Calculated, Partial  
12:00:20.000 16.667
Good, Calculated  
12:00:40.000 25 UncertainDataSubNormal, Calculated  
12:01:00.000 0 UncertainDataSubNormal, Calculated  
12:01:20.000 66.667
Good, Calculated, Partial  

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