Returns the historical values from multiple tags in a single operation.

Inputs/Outputs

tags in

Reference to a specific tag or a group of tags on SystemLink Server.

Use Open Tag or Query Tags to obtain this reference.

window

Time range you specify to read historical tag values.

The default is set to read all values decimated to 1,000.

error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Default value: No error

next window

Next page of historical tag data, if available.

tags out

Reference to a specific tag or a group of tags on SystemLink Server.

Use Open Tag or Query Tags to obtain this reference.

values

Data values of the tag history.

end of data?

Boolean that indicates whether the node read the last of the data for the tag.

error out

Error information.

The node produces this output according to standard error behavior.