Reads the value of specified tags. You must manually select the polymorphic instance to use.

Use the pull-down menu to select an instance of this VI.


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Inputs/Outputs

  • cTag_Readerlvclass.png —

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

  • c1dstr.png tag names —

    tag names specifies the names of the tags you want to read.

  • ci32.png timeout (10000 ms) —

    timeout specifies the maximum time, in milliseconds, that this VI waits to read the tag. The default is 10000.

  • cerrcodeclst.png error in (no error) —

    error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

  • i1du32.png status —

    status is TRUE (X) if an error occurred or FALSE (checkmark) to indicate a warning or that no error occurred.

  • i1du64.png quality —

    quality returns the data quality of the data this VI reads from 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.

  • iTag_Readerlvclass.png —

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

  • i1du32.png data —

    data returns a list of values of the specified tags. If this VI times out when read a tag, data returns the value that this VI last read. If this VI times out before reading any data from a tag or if the type of data is incompatible, data returns a value of 0 for this tag.

  • i1datrn.png timestamps —

    timestamps returns a list of the timestamp data for the specified tags.

  • ierrcodeclst.png error out —

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