Historian datasets

The first view in the Historian displays DataSets and related information panels. Arrow adornments on the panels, drill down for more options or information panels.

 

Navigation - The gray band at the top provides Back/Forward controls as well as bread crumbs for quick navigation.

 

Historian - The Historian panel in the upper left displays overall historian properties and disk space.

 

 

DataSet Count - Total DataSets including {Diagnostics}.

 

Licensed Tags - Tags being counted against the license.

 

Updates/Sec - Total updates per second being written by the historian.

 

Readers - Number of tags being read by Historian for clients.

 

Writers - Number of tags actively being updated.

 

HDB Files - Total number of hdb files in all DataSets.

 

Offline Files - Number of files offline in all DataSets.

 

Disks - Free disk space per drive.

 

DataSet - When a DataSet is selected the DataSet panel will display properties and settings in the lower left.

 

 

 

Name: - The Name of the DataSet precedes all .hdb files and is used in any ItemID.

 

Tag Count: - Total number of tags being logged in this DataSet based on the most current file.

 

Updates/Sec: - When logging is active this will show the total updates per second for all tags in this DataSet.

 

Readers: - Number of tags being read from this DataSet (each tag will be a Reader).

 

Writers: - Number of tags being written to this DataSet (each logging tag is a Writer).

 

HDB Files: - Number of .hdb2 files in this DataSet.

 

Offline Files: - The number of files in this DataSet with an offline extension because background validation found errors in the file.

 

Directory: - Path where the files are stored for this DataSet.

 

Rollover: - If logging continues this will show the date/time the DataSet is configured to Rollover (create a new file). If logging is stopped and resumed after the time passes then Rollover will occur when logging starts.

 

Validate: - True or False if background validation should run on this DataSet. Controlled by a checkbox on the Historian > Configuration > DataSets tab for each DataSet.

 

Arrow down - Changes the panel to DataSet Options.

Roll-Over - Forces a file Roll-Over to happen immediately.

 

Roll-Up - Forces a Roll-Up if it is configured for this DataSet and files are available to act on.

 

Refresh File List - Refreshes the list of .hdb2 files displayed if a file has been copied into or removed through the directory.

 

Validate All Files - Performs validation on all files in the DataSet.

 

Range Selector - The Range Selector goes from 1 to the total number of DataSets in the Historian. Setting the grips to both ends of the range will display all DataSets. Either grip can be positioned along the range to start or end at a particular DataSet number. Dragging the yellow bar between the grips will vary the DataSets displayed but not the number of DataSets.

 

DataSets - A tile is displayed for each DataSet configured in the Historian. Additional information is displayed when the DataSet is being logged to.

 

 

Offline Files: - Displays the number of offline files, only if any are present in this DataSet.

 

Readers: - Number of tags, clients are requesting data for from this DataSet.

 

Writers: - Number of tags currently being written to this DataSet.

 

Updates: - Updates per second being written to this DataSet.

 

Arrow right/Double-click - As the cursor passes over a DataSet tile a right arrow is available in the upper right corner. Click the arrow or double-click the tile to open the DataSet file display.