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Calculation Server

Send reminder emails with Calcs & Events service
I have a system which contains water quality sensors that will tell the process engineers when water filters need to be changed. I have set up email alerts to notify them when the water quality meets…
- evan. dorval
- evan_dorval
- 1 mth ago
- 5replies
- 24
- Last replySteve Mason1 mth ago
- Questions & Answers
Data Compression
Hi Everyone, I have some data showing that during the night, the hourly scheduled calculations give me a result of zero. When I check the data the next day,…
- rodrigopoyanco
- rodrigopoyanco
- 2 mths ago
- 1reply
- 27
- Last replySteve Mason1 mth ago
- Questions & Answers
Min Duration in Event with 3 Conditions
Hello everyone, I have an event that I need to create which must meet three conditions for at least 5 minutes: The first is that the data quality of variable A is Good.…
- rodrigopoyanco
- rodrigopoyanco
- 2 mths ago
- 32
- Questions & Answers
Parent-Child Assets and Calculations
Hi Everyone, I need to understand how to create rules for parent-child relationships between assets. I can't find any useful examples in the documentation, forums, or on YouTube.…
- rodrigopoyanco
- rodrigopoyanco
- 3 mths ago
- 3replies
- 51
- Last replySteve Mason3 mths ago
- Questions & Answers
- Answered
- Answered
10
Test Event Email Button
When creating an event, it would be nice if you could send a test email to ensure the subject looks right and the recipients are set up correctly. Adding a Send Test Email button next to the Edit…
- laruerTop Contributor
- laruer
- 1 yr ago
- 1reply
- 103
- 10
- Last replyShawn EbersoleCanary Team4 mths ago
- Calculations & Events
3
Calculation option to evaluate the calculation as of a specific date/time
We can select an asset and see the current results of the calculation but it could be helpful if there was a way to also select a date and time and see what the current calculation definition would…
- James WiseTop Contributor
- wise_james
- 7 mths ago
- 37
- 3
- Calculations & Events
4
Event Property Integration
Canary Historian currently allows users to store custom events in an SQLite database, each with its set of properties. Will it be Possible to save these event properties as Actual Tags.…
- willemm
- willemm
- 9 mths ago
- 50
- 4
- Calculations & Events
Interpolated Bounding Values using SteppedInterpolation
Hi Everyone I know that Canary can do Simple Bounding and Interpolated Bounding when it's aggregate some time series. I supuse that it use SlopedInterpolation method (described by the OPC Foundation…
- rodrigopoyanco
- rodrigopoyanco
- 9 mths ago
- 5replies
- 65
- Last replySteve Mason9 mths ago
- Questions & Answers
2
Folders in Calcs & Events
There should be a method for storing calculations in a folder structure so that the list does not get overly complicated.
- mattias. herrfurth
- mattias_herrfurth
- 10 mths ago
- 35
- 2
- Calculations & Events
Calculations - Partial Backfilling Removes Data Before Backfill Date
When backfilling a calculation to a specific date, any data before that data is removed. I would expect that data before the date is retained and any data on or after the date would be changed.…
- laruerTop Contributor
- laruer
- 10 mths ago
- 1reply
- 81
- 2
- Last replySteve Mason10 mths ago
- Bugs or Issues
Calculations - DeltaTotalCount Cannot Exceed Limits of Source DataType
When using the DeltaTotalCount function, it seems like it can't return a value that exceeds the maximum value of the source tag datatype. For example, if a tag is being recorded as a UI2 datatype…
- laruerTop Contributor
- laruer
- 10 mths ago
- 1reply
- 61
- 2
- Last replySteve Mason10 mths ago
- Bugs or Issues
Change Timestamp in Calculation
Hello Everyone. I would like to do some aggregation hour by hour (using ResettingAnchoredInterval and DeltaBounds) from a totalizer tag (an energy totalizer in MWh).…
- rodrigopoyanco
- rodrigopoyanco
- 10 mths ago
- 2replies
- 77
- Last replyrodrigopoyanco10 mths ago
- Questions & Answers
Count Calculation
What is the best operation to use to count every hour a tag is On (active, =1) for an entire week or 168 hrs. Then reset at the end of the week and start counting again?
- zachary. zeppuhar
- zachary_zeppuhar
- 11 mths ago
- 1reply
- 86
- Last replySteve Mason11 mths ago
- Questions & Answers
Available Functions of the Calculation Server (version 23)
The functions available within the Calculation Server can be categorized in three different ways: Standard OPC Foundation aggregates NCALC functions and operators Custom functions developed by Canary…
- updated 9 mths ago
- 987
- Calculation Server
Available Functions of the Calculation Server (version 24)
The functions available within the Calculation Server can be categorized in three different ways: Standard OPC Foundation aggregates NCALC functions and operators Custom functions developed by Canary…
- updated 9 mths ago
- 792
- Calculation Server
Planned Development
Items the Canary development team are currently working on or considering for future releases. Note, items on this list are not in any particular order nor do they constitute guarantees of future…
- updated 9 mths ago
- 2replies
- 533
- 11
- Last replylaruerTop Contributor1 yr ago
- Roadmap
External Events Database Triggers
Dear Canary team, I have an external MSSQL server storing Events, and I would like triggers in the database on INSERTs and UPDATEs on the Events and EventProperties tables,…
- Ferdinand Tonby-Strandborg
- ferdinand_TS
- 1 yr ago
- 4replies
- 80
- 1
- Last replySteve Mason11 mths ago
- Bugs or Issues
- Fixed
- Fixed
Calculation with notification sends email.
I have a calculation setup with an event that will send an email based on an event start and end trigger. I do the calculation every 30s. Then I check the average value over the last hour and check…
- rarbouw
- rarbouw
- updated 1 yr ago
- 1reply
- 83
- Last replySteve Mason1 yr ago
- Questions & Answers
Axiom - Have App reset data at a certain time
I am wanting to make an APP on Axiom that shows data during a certain shift. I want to show averages, totals, and current status on certain tags for the shift.…
- nicholas. portz
- nicholas_portz
- 1 yr ago
- 1reply
- 47
- Last replySteve Mason1 yr ago
- Questions & Answers
Available Functions of the Calculation Server (version 22)
The functions available within the Calculation Server can be categorized in three different ways: Standard OPC Foundation aggregates NCALC functions and operators Custom functions developed by…
- updated 1 yr ago
- 652
- Calculation Server
1
Scheduling Blocks for Calculations
Add the ability to schedule certain calculations to only run during certain times of the day, such as between 5 A.M. and 9 P.M. In our environment, some calculations,…
- bmhargis
- bmhargis
- 2 yrs ago
- 37
- 1
- Calculations & Events
Calcs & Events Tile (version 22)
Use the following links for documentation regarding the Status Screen Calculation Group Screen Settings Screen
- updated 2 yrs ago
- 211
- Canary Admin
Calcs & Events Tile (version 23)
Use the following links for documentation regarding the Status Screen Calculation Group Screen Settings Screen
- updated 10 mths ago
- 296
- Canary Admin
Calcs & Events Tile (version 24)
Active - number of active calcs/events currently running Tags Writing - number of tags being written to the Historian Hourly Count - number of TVQs (timestamp value quality) written to the Historian…
- updated 2 mths ago
- 265
- Canary Admin
0
***ATTENTION*** - Events Service Merging Into Calculation Service Starting in v21.4
Starting in v21.4, the Canary Event Service will be obsoleted and merged into the Canary Calculation Service. Any preexisting events will be converted over during the upgrade process and appear in…
- Steve Mason
- smason
- updated 3 yrs ago
- 3replies
- 123
- Last replyJosh WolfCanary Team2 yrs ago
- Latest News

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