Table Of Contents

Historian Functions (G Dataflow)

Version:
    Last Modified: November 18, 2019

    Retain historical tag values to review, troubleshoot, or analyze data over time.

    node_icon
    Defines the range of historical tag values to read with Read Tag History or Multi Read Tag History.
    node_icon
    Defines how long a tag retains historical values.
    node_icon
    Returns the historical values from multiple tags in a single operation.
    node_icon
    Returns the historical values from a single tag. The data type of the tag must match the polymorphic instance.

    Recently Viewed Topics