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• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.4 Arrays, index ranges and substrings
  does not have any values in the requested index range a status of Bad _ IndexRangeNoData is returned. In the illustration the top table indicates the data that was collected ... result of processing the request for the index range (i.e. Bad _ IndexRangeNoData ). Figure 8 - History Array example Figure 9 provides a second illustration where a different time interval is selected