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7 result(s) for numValuesPerNode

• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  4.6 Bounding Values and time domain
  complete description of the Extensible Parameter HistoryReadDetails that include StartTime , EndTime and NumValuesPerNode, see 6.5 . The concept of Bounding Values and how they affect the time domain that is requested ... required parameters include at least two of these three parameters: startTime, endTime and numValuesPerNode . What is returned when BoundingValues are requested varies according to which of these parameters are provided
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.2.1 ReadEventDetails structure details
  TRUE (see OPC 10000-3 ). At least two of the three parameters, numValuesPerNode , startTime , and endTime shall be specified. Table 29 - ReadEventDetails Structure Name Type Description ReadEventDetails Structure Specifies ... details used to perform an Event history read. numValuesPerNode Counter The maximum number of Events returned for any Node over the time range. If only one time is specified
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.2.2 Read Event functionality
  Events . The time domain of the request is defined by startTime , endTime , and numValuesPerNode; at least two of these shall be specified. If endTime is less than startTime , or endTime ... numValuesPerNode alone are specified then the data will be returned in reverse order with later/newer data provided first as if time were flowing backward. If all three are specified then
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.2.3 ReadEventDetails2 structure details
  TRUE (see OPC 10000-3 ). At least two of the three parameters, numValuesPerNode , startTime , and endTime shall be specified. Table 31 - ReadEventDetails2 Structure Name Type Description ReadEventDetails2 Structure Specifies
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.2.4 Read modified functionality
  field for Events . The domain of the request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less than startTime ... endTime and numValuesPerNode alone are specified, then the data shall be returned in reverse order with the later data coming first. If all three are specified then the call shall
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.3.2 Read raw functionality
  display. The time domain of the request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less than startTime , or endTime ... numValuesPerNode alone are specified then the data will be returned in reverse order, with later data coming first as if time were flowing backward. If numValuesPerNode is not specified
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.3.3 Read modified functionality
  InvalidArgument StatusCode . The domain of the request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less than startTime , or endTime ... numValuesPerNode alone are specified, then the data shall be returned in reverse order with the later data coming first. If all three are specified then the call shall return