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Scope: Core (OPC-10000-*) All specs

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OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

4.6 Bounding Values and time domain

Bounding Values and time domain When accessing HistoricalDataNodes via the HistoryRead Service , requests can set a flag, returnBounds, indicating that BoundingValues are requested. For a complete description of the Extensible ... further illustrate the expected behaviour. When making a request for historical data using the HistoryRead Service , the required parameters include at least two of these three parameters: startTime, endTime