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

3 result(s) for DataValues

OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.1.9 Variant

cannot contain instances of DiagnosticInfo. Values of Attributes are always returned in instances of DataValues . Therefore, the DataType of an Attribute cannot be a DataValue . Variants can contain DataValue when
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.1.2 Annotations Property

with a ReadRawModifiedDetails parameter for the HistoricalDataNode of the Annotations Property . In the returned dataValues array, values with the ExtraData flag set provide the SourceTimestamp. The ReadRawModifiedDetails structure is described
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.9.1 Overview

more HistoricalEventNodes . The HistoryUpdate Service is used to update or delete, DataValues, Annotations or Events . For simplicity the term "entry" will be used to mean either DataValue, Annotation ... Historical Updates. If the HistoryUpdate Service is called with two or more of DataValues , Events or Annotations in the same call the Server operational limits MaxNodesPerHistoryUpdateData and MaxNodesPerHistoryUpdateEvents (defined