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Download OPC Toolbox User`s Guide
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14 Reading OPC Historical Data • “Overview to Reading Historical Data” on page 14-2 • “Read Historical Data Over a Time Range” on page 14-3 • “Read Historical Data at Specific Times” on page 14-4 • “Read Processed Aggregate Data” on page 14-5 • “Retrieve Large Historical Data Sets ” on page 14-6 • “Reading Modified Data” on page 14-7 • “Native MATLAB Data Types from Read Operations” on page 14-8 • “Disconnect from HDA Servers” on page 14-9 • “Clean Up OPC HDA Objects” on page 14-10
