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Canary.Axiom.Session eating CPU Usage% - What is this Service?
We have an instance where there is a math added to some charts (I've asked that they move the math to the calculations module and pull that calculated data) But while troubleshooting this I went to…
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Events Table Control - manually format properties
Hi all, using the events table control (v25.3) I would like to manually define the property's format, similar to the question by James Wise. I couldn't find any documentation on formatting the values…
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Calcs string comparison like
I have a use case where I need to start an event when a flare pilot goes out. For whatever unknown reason, statuses are sent to us in string. And they're not uniform.…
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Using API Tokens (version 26)
API tokens are used extensively throughout the Canary system for authenticating users and remote Canary services. Tokens are mapped to an internal Canary user which, in turn,…
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Option to default to complete tag name on trend chart
While we have some options like manually filling in the display name we want or using "source tag" instead of "display name" in the options for the legend, cursor, or float label,…
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Release V25.6
REQUEST UPGRADE Built on Windows Server 2019 Standard MSBuild v17.0 MSI: Wix v1.14.2 Released on: 1/5/2026 If .NET Framework 4.7.1 or greater is not present on the system,…
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Calcs & Events > Broader Filtering (By GUID?)
In Administrator > Calcs & Events, the Name Filter is helpful, but there’s no way to filter by GUID. This makes it painful when I’m trying to track down which calc a tag originates from,…
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Can Collectors be Upgrades before Historian?
We have a rather large system with 2 historians and about a dozen collector machines all running on 23.2.1. We're looking at upgraded to the latest version. Do we have to upgrade Historians to v25.…
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Positioning datetimes and floating labels outside of a trend?
I like that my bar chart has the datetimes outside of the chart. However, my trends clip the datetime with the graph and floating labels. Is it also possible to have the floating label to the left of…
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Ability to include tag name/description/engineering unit in value box
See https://helpcenter.canarylabs.com/t/m1hjf1r/tag-name-in-value-box. Whether using ValueFormat or something else, it would be helpful to have an easy way to show the tag name alongside the value…
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Read API
Canary offers a native gRPC API and a web API for both reading and writing data. This module focuses solely on the web Read API. To test, we suggest downloading Postman and following the instructions…
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Publisher
This module covers Canary's Publisher service. The Publisher connects to the Views service to read real-time data from the Historian to send it to 3rd parties using MQTT, Kafka,…
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Tag name in value box
I know I can use a value box in an Axiom Application with ValueFormat = {Value:N2} @ {Time:MM/dd/yyyy hh:mm:ss tt} to get value and time. Is there a way I can have tag name there as well? Right now,…
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How to Create an API Token (version 26)
API tokens are used for several purposes within the Canary system. Reading data from the Historian using the Read API Writing data to the Historian using the Write API Writing data to the Historian…
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How to Create an API Token (version 25)
API tokens are used for several purposes within the Canary system. Reading data from the Historian using the Read API Writing data to the Historian using the Write API Writing data to the Historian…
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Stacked Bar Charts
Currently, multiple series display as side-by-side bars, but there’s no option to stack them. Stacked bars would be really useful for visualizing combined totals while still showing the contribution…
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Axiom
This module covers Canary's main reporting tool, Axiom. As there are many steps in building a dashboard application, a video has been provided to demonstrate the various controls and functions Axiom…
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Disable Axion Annotation Modifications
Implement a configuration setting (system-wide mode) that fully disables Axion annotation modifications for all users. This setting must prevent any form of annotation changes—including deletions,…
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Axiom Extrapolation?
We have a scenario where a tag may only have a single timestamp with value until membranes are replaced in the future. We want to see this data point as an extrapolated value from the entry point to…
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Trend not Displaying Latest Data Point Properly when Time Extension Disabled
I'm noticing two issues with non time extension data tags being trended: When Time Extension is disabled on a tag the latest data point doesn't display at all on the trend graph (unless you zoom in…
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Clarify Notify Column for Backfill
Right now, the Notify column in the Calcs & Events > Browse Events shows email addresses for backfilled events even though Canary doesn’t send notifications during backfill.…
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Module Version Compatibility
The following matrix displays version compatibility between the Canary Historian Module, Canary, and Ignition. Canary Historian Module Version Canary Version Ignition Version 25.5+ 24.0 or newer 8.3.…
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Module Installation & Configuration (Canary v24+ and Ignition v8.3)
The following article is used to configure Canary's Historian Module for Ignition v8.3+. Users must be running v24.0+ of Canary software. The Canary Historian module for Ignition by Inductive…
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MQTT collector add filtering to exclude long string
Our historian is connected to a MQTT broker. In that broker we use a UNS type database structure. One of the tags was a long json string. We have been experiencing crashes,…
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Should IsQualityGood propagate the Quality of the tag?
We have a use case where we have two flow meters that we want to sum up. If one of them is Bad quality from SCADA, we want Calcs to treat it as zero. We did If(IsQualityGood('tag1'),'tag1',…
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