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For many applications configuring MQTT Engine to write Writing historical events directly to the database bypassing the tag is sufficient.However, MQTT Engine would need to be configured to write historical events directly to the tag tag is required if there are:
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History must be enabled on the tag (either directly on the MQTT Engine tag or reference tag ) but the only property used from the tag history configuration is the Storage Provider.
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The configuration parameters required to write historical events to the Tag tag instead of directly to the Historian are detailed below.
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History must be enabled on the tag (either directly on the MQTT Engine tag and/or reference tag) with these two settings required:
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