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4 result(s) for NodesToRead

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.11.2.2 Parameters
  returned for each requested Variable Value Attribute . The TimestampsToReturn enumeration is defined in 7.39 . nodesToRead [] ReadValueId List of Nodes and their Attributes to read. For each entry in this list ... size and order of this list matches the size and order of the nodesToRead request parameter. There is one entry in this list for each Node contained in the nodesToRead
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.11.3.2 Parameters
  historical information, HistoryRead shall be called with this parameter set to TRUE. nodesToRead [] HistoryReadValueId This parameter contains the list of items upon which the historical retrieval is to be performed ... null or empty. The Server shall ignore the parameter. continuationPoint ContinuationPoint For each NodesToRead item this parameter specifies a continuation point returned from a previous HistoryRead call, allowing the Client
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  5.1.2 Annotations Property
  passing an instance of the Annotation Property NodeId as the NodeId in the NodesToRead parameter. Annotation data does not have a separate HistoricalDataConfigurationType object instance. The historical configuration defined
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.4.2 Read processed functionality
  multiple Aggregates are requested then a corresponding number of entries are required in the NodesToRead array. For example, to request Min Aggregate for NodeId FIC101, FIC102, and both ... Aggregates for NodeId FIC103 would require NodeId FIC103 to appear twice in the NodesToRead array request parameter. aggregateType[] NodesToRead[] Min FIC101 Min FIC102 Min FIC103 Max FIC103 If the array