Data Group
The following describes the historical data group settings specific to this connector. For information on common features such as the Columns and Time Period Tabs, please refer to Historical Data Groups documentation.
Group Types
The following group types are available for this connector:
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Summary Values from XLReporter
Summary values are calculated by XLReporter. Select use raw values to base calculations on raw values otherwise they will be based on sampled values from the Server.
Custom Values
Custom values queried from any table/view in the historian database using the Database Group.
Group Settings
Setup Tab
Retrieval
The Retrieval settings is only enabled for summary values.
Retrieval Mode
This setting defines how data is retrieved from the historian. Only Raw Values are available.
Lead Time
The amount of time (in seconds) to retrieve data before the start time.
Columns Tab
Item Browsing
When browsing for items in the groups a group can have items from multiple tables in the database defined for the connector.