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Status In Roadmap
Portfolio area Historian & Client
Products Data Acquisition
Created by Marcell Marjee
Created on Oct 15, 2025

[PlantSCADA] Fault tolerance to errors on the PlantSCADA side

2.0 Fault Tolerance of the connector to SCADA misconfiguration

If there is a misconfiguration on the SCADA side, for example after the system is running, then it can lead to the ctapi connection being dropped and no logs for all tags, and not just the one with the issue

This is due to how the Connector was implemented. It works like a state machine. On each state, it will operate on all “tags”. If any error is encountered even for one tag during a particular state, it will reset the state. This will affect all tags that may or may not have issues. On the PSUtiltiies side, it does not automatically close CTAPI connection upon errors.

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  • Admin
    Jake Hawkes
    Mar 31, 2026

    I'm going to link this with another feature on the backlog, to be sure we cover all of the similar symptoms. We have found the root cause of most of these instabilities, and the connector needs to be re-worked, and hopefully resolves all of these issues.