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• Writing historical events directly to the database, via the Historian, bypassing the tag
• Writing historical events directly to the tagWhy would I

In many applications, configuring MQTT Engine to write historical events directly to the database bypassing the tag is sufficient.

However, you may need to write historical

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events directly to the tag if you need to have:

• Tag Events scripts fire when applicable
• Alarms triggered when applicable to tags?  

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writetodatabase writetodatabase

Writing historical events directly to the database, via the Historian, bypassing the tag

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writetotag writetotag

Writing historical events directly to tags

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There are several reasons why you might need to write directly to the tag which include:

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The configuration parameters required to write historical events to the Tag instead of directly to the Historian are detailed below. 

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