Table Of Contents

Open Tag

Last Modified: February 18, 2020

Opens a reference to a tag on the server. If the tag does not exist on the server, this VI creates it.

Use Query Tags to open existing tags of unknown data types.

Programming Patterns


Connection to the server.

If you leave this input unwired, this VI uses the default connection. It automatically retrieves your SystemLink Server credentials when you execute the application on a managed system or on the server.

data type

Data type of the tag reference.

If a tag with the same path but different data type already exists, Open Tag returns an error. Use Query Tags to open existing tag references of unknown data types.


Path to the tag to open.

error in

Error conditions that occur before this VI runs. The VI responds to this input according to standard error behavior.

tag out

Reference to a specific tag on SystemLink Server or SystemLink Cloud.

error out

Error information. This VI produces this output according to standard error behavior.

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