Table Of Contents

Read Tag (DBL)

Version:
Last Modified: November 14, 2019

Returns the value of the tag. The data type of the tag must be a double-precision, floating-point number.

Programming Patterns

tag in

Reference to a tag on the server.

Use Open Tag or Query Tags to obtain this reference.

error in

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

aggregates

Values the tag collects since calling Reset Aggregates. If a tag is set to collect aggregates, the tag updates the aggregate every time you write to it.

tag out

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

Use Open Tag or Query Tags to obtain this reference.

value

Data value of the tag.

time stamp

Date and time associated with the most recent data value.

error out

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

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