Shawn Rieger
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Raw Export Returning Duplicate Rows
When using Axiom to raw export 3 tags we are getting duplicated rows for two of the tags but not the other. Is this a result of trying to perform a raw export for multiple tags, a known issue?…
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Safe Direct Modification of MQTT Tag SQLite DB?
Can we safely modify the MQTT Tag SQLite database directly with proper precautions? We’re looking to implement a script that processes a CSV file of tags that need to be historized or removed,…
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Historian Raw Float Precision
Hello! We are trying to understand why we are observing a lack of precision in our raw float values. Our data source is Ignition with Cirrus Link MQTT. In most cases,…
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ReadAPI Multiple Aggregate Methods & Return Format
I’m wondering if the getTagData2 API method can return a list of tags over the same time interval but with different aggregate methods. Axiom seems to handle this,…
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Possibly to convert/change data types?
We've implemented our pilot site with Canary using MQTT Collector and noticed that many tags are classified as I8 when they could be I1 or I2. These data types are defined in our Ignition system.…
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Efficient querying for calculated interval data
We have a calculation writing 11 tags every 5 minutes to it's own dataset for our BI team. Since the historian is write-by-exception only, when querying this 5m data,…
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Search Filter in MQTT Tags Working Correctly?
It seems to be ignoring slashes and auto-wildcard on spaces. You can see in this screenshot the tag path search does not match correctly. "BESSs/BESS 6/" seems to be converted to "*BESSs*BESS*6*"
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How can I set time aggregation in Chart parameters?
I was reviewing the chart parameters documentation for the latest Axiom 24v. I noticed there was no mention of time aggregation. Is this available as a secret, undocumented parameter!?
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Excel Add-In Missing API Token Option
I've been trying to connect through Excel. I'm on the same local network, have the admin client installed on this same machine and I can access the admin service and see the main historian machine.…
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