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AVEVA™ PI System™ Feedback Portal

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Status Completed
Created by Guest
Created on Aug 16, 2022

PI Adapter for MQTT's Sparkplug B component should allow for data messages to be sent without metric names

According to the Sparkplug™ MQTT Topic & Payload Specification Rev 2.2 on page 43 (https://www.eclipse.org/tahu/spec/Sparkplug%20Topic%20Namespace%20and%20State%20ManagementV2.2-with%20appendix%20B%20format%20-%20Eclipse.pdf), metric names should only be included in birth messages and for data messages, the metric alias should be used. The way the Sparkplug B component currently works is it looks at the metric name rather than the alias, which will mean that any client that sends data following the Sparkplug spec will not have its data messages read by the adapter.
  • ADMIN RESPONSE
    Aug 16, 2022
    Thank you for your input. Based on expected Sparkplug B source behavior, we have implemented this feedback in the latest version of PI Adapter for MQTT (1.0.0.167).
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