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Configuration of the OPC HDA Collector

Enter the value for the OPC Classic HDA collector-specific field parameters through the OPC HDA Collector Maintenance - Configuration section of Historian Administrator.

Descriptions for collector-specific fields are listed in the following table.

Note: If the following fields are updated, then the collector must be restarted for the update to take effect.

Field	Description
The OPC Classic HDA server	This field represents the OPC Classic HDA server ProgID to which the collector connects. By default, it points to the OPC Classic HDA server ProgID that was entered at the time of installation.
Recovery Time (in hours)	This field is used by the collector on start up to get the specified number of hours of data of the added tags from the OPC Classic HDA server, and then pushes the data to Historian. Min Time = 1 hour Max Time = 150 hour. By default, the Max Time field is set to 24 hours.