Table Of Contents

Behavior Changes

Last Modified: November 7, 2019

The following list indicates behavior changes since the previous version.

  • Tag Historian API—SystemLink Server contains a different Tag Historian. Refer to the following list to learn more about the changes.
    • The 19.5 version of the LabVIEW SystemLink Toolkit cannot interact with the 19.6 Tag Historian API.
    • New versions of Read History and Multi-Read History replaced the deprecated versions of these functions on the palette.
    • The skip input of Configure Window (Undecimated) is no longer supported.
    • The take input of Configure Window (Undecimated) moved to a new position on the connector pane.
    • Configure Window defaults to read decimated tag values.
    • Decimated reads now return a different amount of data, which reach up to 4x the decimation factor.
  • Writing tag value limit—Writing tag values is rate-limited to 1,000 writes per second by default.
  • Open Configuration node—The desktop version of Open Configuration in LabVIEW NXG defaults to the Auto function configuration when you add it to the diagram.

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