5 Aggregate specific usage of Services

5.2 Aggregate data handling

5.2.2 ReadProcessedDetails structure overview

ReadProcessedDetails structure is formally detailed in OPC 10000-11. Table 6 outlines the components of the ReadProcessedDetails structure for the purposes of discussion in this document.

Table 6 – ReadProcessedDetails

Name	Description
ReadProcessedDetails	Specifies the details used to perform a “processed” history read.
startTime	Beginning of period to read.
endTime	End of period to read.
processingInterval	Interval between returned Aggregate values.
aggregateType[]	The NodeIds of the AggregateFunction Objects. AggregateFunction Objects indicate the list of Aggregates to be used when retrieving processed history.
aggregateConfiguration	Aggregate   configuration structure.
useServerDefaults	If True the Server’s default values are used and any values specified for the other parameters are ignored.
treatUncertainAsBad	See 4.2.1.2.
percentDataBad	See 4.2.1.2.
percentDataGood	See 4.2.1.2.
useSlopedExtrapolation	See 4.2.1.2.