Get Quality Summary VI

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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

Reads a Tag Reader instance and returns a summary of the shared variables that this Tag Reader instance contains. This summary contains a URL list of these shared variables and the corresponding quality, status, and timestamp values of these shared variables.

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

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.

shared variables returns the URLs of the shared variables that the specified Tag Reader instance contains.

cached meta data returns the meta data of the shared variables that the specified Tag Reader instance contains.

	status returns warnings or errors for the network or devices when you read tags on a network. Use the Shared Variable Error from Quality VI to convert this code to an error I/O cluster.
	quality returns the data quality of the tags. A value of zero indicates good quality. Refer to the quality output of the DataSocket Read function for detailed descriptions of the quality values. Use the Shared Variable Error from Quality VI to convert this code to an error I/O cluster.
	timestamp returns the timestamp data for shared variables and NI Publish-Subscribe Protocol (NI-PSP) data items.

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