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Event Hash and ID
We've been looking at pulling Events via the API. Here is a sample response from our system. We noticed there is an ID and a Hash. I don't see any documentation on what those represent.…
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Disable Individual Regex Rule
When building views via Regex, sometimes it is useful to experiment with different regex options. I would love to be able to individually disable and enable specific rules.…
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OPC UA Path Based Logging - Remove top branches from naming
We are using OPC UA Path based logging in Canary. We have one dataset per PLC/Collector session. In Kepware, we use a channel per PLC. Result is that we have "Test PLC" duplicated 3 times by path…
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Axiom Chart - Break in Data isn't reflected in Chart Data
I have a situation where we had a power outage for about 3.5 hours and when looking at the chart data, the unchanged data is what is shown in the charts during this power outage.…
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OPC UA Collector performance issues
I have a problem with the OPC UA collector. I am reading data from KEPWARE KEPSERVER OPC UA server. I have an issue with the OPC UA collector — it often freezes.…
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AxiomCore2 EventManager+CacheableBatchEventsRequest was not present in the dictionary
We keep receiving the following error when navigating to any tab in this particular application. first two tabs are basic trends, third tab is an events table that seems to be populating fine.…
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“Preview Events” for Canary Calcs & Events
Troubleshooting Event logic is challenging because we cannot see how expressions evaluate over time before deploying. Other historian platforms provide a Preview Events capability that allows users…
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Ignition 8.3 & Canary Module
Good Day Folks, Do any of the Canary folks have a timeline for when the Canary-Ignition module will be compatible with the newly released Ignition 8.3? I've confirmed that upgrading to 8.…
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Release v25.5
Requires Ignition 8.3.3 Released on: 1/20/2026 Download Canary Module SHA384 : A3F8D7D9E14BC8DF4C4653F065F4E1CDA53231AD7064A9F35F8D0B108AA8EE6EECA73C2EF3EF0777A88115ACF3680B67 SHA256 :…
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Auto select time period based on tag value for batch
This may be the same thing (or part of it) that was suggested here: https://helpcenter.canarylabs.com/t/g9hgphz/golden-batch-eventstrends just in case though...…
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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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