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MQTT Modules Store and Forward Configuration

MQTT Engine

Setup the Primary Host to be used under MQTT Engine configuration under the Main section on the General tabImage Added

There are two methods that MQTT Engine can use to process historical events with Ignition:

  • Write historical events directly to the database, via the Historian, bypassing the Tag
  • Write historical events to the Tag instead of directly to Historian.

Review the MQTT History tutorial to determine the appropriate method for your system and details on the required configuration settings.

MQTT Transmission

Setup the History Store to be used under MQTT Transmission History configuration.

Note
Data in In-Memory history stores will not be persisted across Ignition service restarts or edge device reboots

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Setup the History Settings to be used under MQTT Transmission Settings configuration.Image Added


Additional Resources:

Ignition Video 10: Primary Host ID Setting

Ignition Video 12: Set Up Store-and-Forward System