Get Database Info VI

LabVIEW 2009 Datalogging and Supervisory Control Module Help

Edition Date: June 2009

Part Number: 371618E-01

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Owning Palette: Utility VIs

Requires: DSC Module

Returns database-related meta information for a tag.

Tag Reader in specifies the data of a group of tags that the Open Tag Reader VI opens.

tag name specifies the name of the tag for which you want to get the database information.

error in (no error) describes error conditions that occur before this node runs. This input provides standard error in functionality.

Tag Reader out returns the value of the Tag Reader instance.

database info returns the database-related meta information of the specified tag.

	database URL returns the database URL in the following format: \\computer_name\database_name. LabVIEW logs the data of the tag to this Citadel database.
	computer name returns the name of the computer on which the database exists.
	trace path returns the full NI Publish-Subscribe Protocol URL of the tag. The format of the URL is \\ComputerName\ProcessName\SharedVariableName. Use this URL to locate data across a network with the Historical VIs.

error out contains error information. This output provides standard error out functionality.