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1 result(s) for HistoricalDataNode supports Annotation

• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  5.1.2 Annotations Property
  Annotations Property is used to indicate that the history collection exposed by a HistoricalDataNode supports Annotation data. Annotation DataType is defined in 6.6.6 . ConformanceUnits Historical Access Annotations Since ... Annotations Property shall be present on every HistoricalDataNode that supports modifications, deletions, or additions of Annotations whether or not Annotations currently exist. Annotation data is accessed using the standard HistoryRead