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• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.9.1 Overview
  functionality' refers to the function the HistoryUpdate Service performs using the Extensible Parameter structure UpdateDataDetails with the performInsertReplace enumeration parameter set to REPLACE. Table 61 - HistoryUpdateDetails parameter Symbolic Names Symbolic ... Name Functionality Description UpdateDataDetails Insert data This function inserts new values into the history database at the specified timestamps for one or more HistoricalDataNodes The Variable 's value is represented