# Ignition

**URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=24

[Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md)

**Page:** 25

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## [Recomended Edge -\>Backend-\>Frontend gateway setup](https://forum.inductiveautomation.com/t/recomended-edge-backend-frontend-gateway-setup/116074)

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**Author:** [@eab](https://forum.inductiveautomation.com/u/eab)\
**Replies:** 13\
**Last updated:** [July 6, 2026, 2:49pm UTC](https://forum.inductiveautomation.com/t/recomended-edge-backend-frontend-gateway-setup/116074 "2026-07-06T14:49:22Z")

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Hi, I’m working on an Ignition architecture with three gateways and would like some input on the recommended setup and best practices. The planned base setup with this as a base: (intended architecture: multiple pai…

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## [Audio Component not playing sound through web browser](https://forum.inductiveautomation.com/t/audio-component-not-playing-sound-through-web-browser/83012)

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**Author:** [@Joseph\_Rivera](https://forum.inductiveautomation.com/u/Joseph_Rivera)\
**Replies:** 7\
**Last updated:** [July 6, 2026, 9:37am UTC](https://forum.inductiveautomation.com/t/audio-component-not-playing-sound-through-web-browser/83012 "2026-07-06T09:37:02Z")

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Hi everyone, I've been fighting with getting the Audio component to play sounds through a web browser for a few weeks now and am at a bit of an impasse. I have it setup to correspond to an alarm tag that when true will f…

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## [In ignition which format data is stored in databases?](https://forum.inductiveautomation.com/t/in-ignition-which-format-data-is-stored-in-databases/116223)

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**Author:** [@adithya.karre](https://forum.inductiveautomation.com/u/adithya.karre)\
**Replies:** 17\
**Last updated:** [July 6, 2026, 6:10am UTC](https://forum.inductiveautomation.com/t/in-ignition-which-format-data-is-stored-in-databases/116223 "2026-07-06T06:10:04Z")

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which type of format data stores in different types of databases in ignition.

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## [UDT instances showing 'Uncertain Values' & not writable after a kepware restart](https://forum.inductiveautomation.com/t/udt-instances-showing-uncertain-values-not-writable-after-a-kepware-restart/116258)

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**Author:** [@harshadsarjer.garad](https://forum.inductiveautomation.com/u/harshadsarjer.garad)\
**Replies:** 7\
**Last updated:** [July 6, 2026, 4:48am UTC](https://forum.inductiveautomation.com/t/udt-instances-showing-uncertain-values-not-writable-after-a-kepware-restart/116258 "2026-07-06T04:48:13Z")

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Whenever the Kepware services are re-started, the existing UDT instances show uncertain values and even I am not able to write to the tags even though the read write mode is on in the Ignition designer. The tags are com…

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## [Cloud edition loses license](https://forum.inductiveautomation.com/t/cloud-edition-loses-license/116180)

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**Author:** [@james.vosler](https://forum.inductiveautomation.com/u/james.vosler)\
**Replies:** 3\
**Last updated:** [July 5, 2026, 8:27pm UTC](https://forum.inductiveautomation.com/t/cloud-edition-loses-license/116180 "2026-07-05T20:27:59Z")

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The cloud edition is licensed via Azure (et al). You subscribe to a resource that is a Linux VM with a cloud gateway. Naturally, you will want to maintain this by getting security updates and updating the gateway to th…

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## [Vision 8.3: Closing popup causes forced navigation to home screen](https://forum.inductiveautomation.com/t/vision-8-3-closing-popup-causes-forced-navigation-to-home-screen/116256)

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**Author:** [@Hugh\_r](https://forum.inductiveautomation.com/u/Hugh_r)\
**Replies:** 6\
**Last updated:** [July 5, 2026, 2:18pm UTC](https://forum.inductiveautomation.com/t/vision-8-3-closing-popup-causes-forced-navigation-to-home-screen/116256 "2026-07-05T14:18:07Z")

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I am running Vision version 8.3.6 I’m having some unexplained behavior regarding closing popups. Closing the popup through a button causes the main window to swap back to my overview \[home screen\]. This persists thro…

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## [Convert Numbers to European Format When Querying from a Database](https://forum.inductiveautomation.com/t/convert-numbers-to-european-format-when-querying-from-a-database/116262)

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**Author:** [@antonmarthedal](https://forum.inductiveautomation.com/u/antonmarthedal)\
**Replies:** 2\
**Last updated:** [July 4, 2026, 12:33pm UTC](https://forum.inductiveautomation.com/t/convert-numbers-to-european-format-when-querying-from-a-database/116262 "2026-07-04T12:33:17Z")

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I am querying data from a database into a table in Perspective. I have changed the session locale to Danish (da-DK) and also changed the regional settings in Windows to use European number formatting. However, the number…

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## [Holiday Paintable Canvas Challenge](https://forum.inductiveautomation.com/t/holiday-paintable-canvas-challenge/112691)

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**Author:** [@justinedwards.jle](https://forum.inductiveautomation.com/u/justinedwards.jle)\
**Replies:** 13\
**Last updated:** [July 3, 2026, 4:45pm UTC](https://forum.inductiveautomation.com/t/holiday-paintable-canvas-challenge/112691 "2026-07-03T16:45:32Z")

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Create your best holiday image in the paintable canvas and share it here. Example: I was able to create a Santa Clause in the paintable canvas by simply tracing an image using the techniques outlined in this tutorial: P…

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## [From Component Images/future features](https://forum.inductiveautomation.com/t/from-component-images-future-features/116260)

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**Author:** [@Rhys\_m](https://forum.inductiveautomation.com/u/Rhys_m)\
**Replies:** 2\
**Last updated:** [July 3, 2026, 12:17pm UTC](https://forum.inductiveautomation.com/t/from-component-images-future-features/116260 "2026-07-03T12:17:15Z")

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Hi, We are currently experimenting with the form component and trying to decide whether to use it, or spend the time creating a similar project ourselves. It seems there's currently a few features that would limit the u…

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## [Inline/IFrame between Ignition Gateways](https://forum.inductiveautomation.com/t/inline-iframe-between-ignition-gateways/116257)

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**Author:** [@eab](https://forum.inductiveautomation.com/u/eab)\
**Replies:** 8\
**Last updated:** [July 3, 2026, 12:10pm UTC](https://forum.inductiveautomation.com/t/inline-iframe-between-ignition-gateways/116257 "2026-07-03T12:10:17Z")

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How do you use an Inline Frame (Iframe) from a Frontend Gateway to embed a Backend Gateway Perspective view? I've looked through the documentation and watched several videos, but I haven't been able to find any examples…

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## [\[BUG\] Perspective table rendering issue](https://forum.inductiveautomation.com/t/bug-perspective-table-rendering-issue/116244)

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**Author:** [@MSviga](https://forum.inductiveautomation.com/u/MSviga)\
**Replies:** 2\
**Last updated:** [July 3, 2026, 4:24am UTC](https://forum.inductiveautomation.com/t/bug-perspective-table-rendering-issue/116244 "2026-07-03T04:24:03Z")

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Ignition version 8.1.47 Hey, I got a weird on for you guys. I ran into a rendering bug with the perspectie table when filtering. Probably best to let the video speak for itself. So I have this table that is bound to…

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## [No Protobuf serializer found for collection item class 'java.util.Collections$UnmodifiableMap](https://forum.inductiveautomation.com/t/no-protobuf-serializer-found-for-collection-item-class-java-util-collections-unmodifiablemap/115722)

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**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Replies:** 15\
**Last updated:** [July 3, 2026, 1:21am UTC](https://forum.inductiveautomation.com/t/no-protobuf-serializer-found-for-collection-item-class-java-util-collections-unmodifiablemap/115722 "2026-07-03T01:21:14Z")

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I'm trying to call a function on another gateway (system.tag.query) via system.util.sendRequest due to a bug (in 8.3.3?) where trying to do this on the local gateway on a remote tag provider and including alarms in the q…

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## [Gateway does not completely delete a project](https://forum.inductiveautomation.com/t/gateway-does-not-completely-delete-a-project/100597)

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**Author:** [@Marcus\_Stubbles](https://forum.inductiveautomation.com/u/Marcus_Stubbles)\
**Replies:** 4\
**Last updated:** [July 2, 2026, 7:32pm UTC](https://forum.inductiveautomation.com/t/gateway-does-not-completely-delete-a-project/100597 "2026-07-02T19:32:40Z")

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We maintain a "live" gateway and a "test" gateway on separate servers. We develop projects on the test gateway, and when we consider them ready we export them and then import them on the live gateway for general use. I…

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## [Translation manager with system popup](https://forum.inductiveautomation.com/t/translation-manager-with-system-popup/116039)

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**Author:** [@Andrea\_Gasparini](https://forum.inductiveautomation.com/u/Andrea_Gasparini)\
**Replies:** 5\
**Last updated:** [July 2, 2026, 5:45pm UTC](https://forum.inductiveautomation.com/t/translation-manager-with-system-popup/116039 "2026-07-02T17:45:48Z")

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I'm trying to translate the "Action Denied" system popup. Currently, the translation for the title ("Action Denied") works correctly. However, the message body changes depending on the action being performed and the nam…

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## [Alarm Notifications - Standard Email Notification Profile](https://forum.inductiveautomation.com/t/alarm-notifications-standard-email-notification-profile/116251)

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**Author:** [@surety975](https://forum.inductiveautomation.com/u/surety975)\
**Replies:** 0\
**Last updated:** [July 2, 2026, 5:04pm UTC](https://forum.inductiveautomation.com/t/alarm-notifications-standard-email-notification-profile/116251 "2026-07-02T17:04:08Z")

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I'm trying to setup email notifications for an alarm. I'd like to include a rather verbose explanation of what may be causing the alarm. I'm using Ignition 8.3. The steps I've taken: On the gateway, I've created thr…

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## [Designer Fails To Start Perspective Module](https://forum.inductiveautomation.com/t/designer-fails-to-start-perspective-module/113424)

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**Author:** [@dcarpenter](https://forum.inductiveautomation.com/u/dcarpenter)\
**Replies:** 13\
**Last updated:** [July 2, 2026, 4:11pm UTC](https://forum.inductiveautomation.com/t/designer-fails-to-start-perspective-module/113424 "2026-07-02T16:11:49Z")

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I am running Ignition 8.3 and when I open the Designer, any perspective options do not exist. When looking at the designer logs, I see the following error 11:12:11.194 \[WebSocket@1596404008-50\] INFO com.inductiveautomat…

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## [Memory Tag Value Changed Event Fires on Startup/Creation with initialChange=True and Uncertain\_InitialValue Previous Value](https://forum.inductiveautomation.com/t/memory-tag-value-changed-event-fires-on-startup-creation-with-initialchange-true-and-uncertain-initialvalue-previous-value/116248)

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**Author:** [@svatsal77](https://forum.inductiveautomation.com/u/svatsal77)\
**Replies:** 1\
**Last updated:** [July 2, 2026, 1:18pm UTC](https://forum.inductiveautomation.com/t/memory-tag-value-changed-event-fires-on-startup-creation-with-initialchange-true-and-uncertain-initialvalue-previous-value/116248 "2026-07-02T13:18:28Z")

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Hi everyone, I'm trying to understand some behavior I'm observing with Memory Tags and Tag Event Scripts (Value Changed) in Ignition 8.1. Test Setup I created a new Boolean Memory Tag with a Value Changed script: logg…

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## [Import large language files](https://forum.inductiveautomation.com/t/import-large-language-files/116211)

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**Author:** [@Janis\_Voss](https://forum.inductiveautomation.com/u/Janis_Voss)\
**Replies:** 5\
**Last updated:** [July 2, 2026, 7:22am UTC](https://forum.inductiveautomation.com/t/import-large-language-files/116211 "2026-07-02T07:22:46Z")

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Hey, I am investigating the Translation Manager in Perspective. I am trying to find a way to synchronize projects with each other and the import functionality caught my attention. When it comes to large files (70.000+)…

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## [Script transform calling script library function resulting in AttributeErrors](https://forum.inductiveautomation.com/t/script-transform-calling-script-library-function-resulting-in-attributeerrors/116216)

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**Author:** [@Jeff\_Krol](https://forum.inductiveautomation.com/u/Jeff_Krol)\
**Replies:** 4\
**Last updated:** [July 1, 2026, 11:12pm UTC](https://forum.inductiveautomation.com/t/script-transform-calling-script-library-function-resulting-in-attributeerrors/116216 "2026-07-01T23:12:36Z")

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Hello, I ran into an issue where I used a script transform on a dock that calls a function from the script library. It worked in testing, but when I put it into production, I quickly started getting binding overlays and…

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## [Charts with many data points](https://forum.inductiveautomation.com/t/charts-with-many-data-points/116234)

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**Author:** [@Mariangel\_Perez](https://forum.inductiveautomation.com/u/Mariangel_Perez)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 10:27pm UTC](https://forum.inductiveautomation.com/t/charts-with-many-data-points/116234 "2026-07-01T22:27:03Z")

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Good morning, I’m creating reports with many data points. Right now, I’ve been using PowerChart, but it has an aggregation mode and doesn’t offer an “AsStored” option. Anyway, I’ve been asked to create a report that incl…

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## [Web Development Module and Redundancy](https://forum.inductiveautomation.com/t/web-development-module-and-redundancy/116238)

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**Author:** [@dion.botha](https://forum.inductiveautomation.com/u/dion.botha)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 9:59pm UTC](https://forum.inductiveautomation.com/t/web-development-module-and-redundancy/116238 "2026-07-01T21:59:51Z")

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Hello, was wondering best practices for web dev module regarding a redundant backup server. Best way to handle if the master server is down. Currenltly, we do not handle it at all. First thought was the system calling th…

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## [Display Tree item with multiple lines?](https://forum.inductiveautomation.com/t/display-tree-item-with-multiple-lines/79779)

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**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\
**Replies:** 14\
**Last updated:** [July 1, 2026, 7:54pm UTC](https://forum.inductiveautomation.com/t/display-tree-item-with-multiple-lines/79779 "2026-07-01T19:54:12Z")

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I want to be able to make a Tree's item expand to show multiple lines, as in the below. I'm using the Tree as a sort of debugger which shows errors, but without multiple lines it's a bit useless...

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## [\[IGN-15910\]GAN serialization issue with streaming datasets](https://forum.inductiveautomation.com/t/ign-15910-gan-serialization-issue-with-streaming-datasets/114958)

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**Author:** [@Rhys\_m](https://forum.inductiveautomation.com/u/Rhys_m)\
**Replies:** 5\
**Last updated:** [July 1, 2026, 7:11pm UTC](https://forum.inductiveautomation.com/t/ign-15910-gan-serialization-issue-with-streaming-datasets/114958 "2026-07-01T19:11:25Z")

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We’ve just run in to similar after updating to 8.3.4. We are returning a dataset from a named query, and then writing that dataset straight to a tag. I suspect it is a similar issue to the one in this thread, but just wa…

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## [Long Term Aggregate Data Storage](https://forum.inductiveautomation.com/t/long-term-aggregate-data-storage/116202)

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**Author:** [@James\_Bremner](https://forum.inductiveautomation.com/u/James_Bremner)\
**Replies:** 2\
**Last updated:** [July 1, 2026, 6:53pm UTC](https://forum.inductiveautomation.com/t/long-term-aggregate-data-storage/116202 "2026-07-01T18:53:29Z")

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Hey Folks, Curious to know what people have found to be the most straightforward way of setting up long term data storage. Essentially i'm looking to store high(ish) resolution data (1 second) on the Ignition Server fo…

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## [HMI Software Architecture](https://forum.inductiveautomation.com/t/hmi-software-architecture/116236)

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**Author:** [@eallenfernandez](https://forum.inductiveautomation.com/u/eallenfernandez)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 6:30pm UTC](https://forum.inductiveautomation.com/t/hmi-software-architecture/116236 "2026-07-01T18:30:22Z")

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Currently, our team is in the process of decoupling the business logic out of our HMI project (specifically the logic contained within perspective components) in an attempt to reduce complexity and improve maintainabilit…

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## [Expression tag in Display Path for an alarm only works some of the time](https://forum.inductiveautomation.com/t/expression-tag-in-display-path-for-an-alarm-only-works-some-of-the-time/116235)

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**Author:** [@jparsons1](https://forum.inductiveautomation.com/u/jparsons1)\
**Replies:** 0\
**Last updated:** [July 1, 2026, 5:42pm UTC](https://forum.inductiveautomation.com/t/expression-tag-in-display-path-for-an-alarm-only-works-some-of-the-time/116235 "2026-07-01T17:42:04Z")

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I have a UDT that I am using across the plant. That UDT has an tag within it with a "Sensor Fault" alarm for when the signal goes below 4mA. This is a UDT I am using several hundred times over with all of the expressions…

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## [Linear scale Tick-offset?](https://forum.inductiveautomation.com/t/linear-scale-tick-offset/95826)

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**Author:** [@Remco\_Geervliet](https://forum.inductiveautomation.com/u/Remco_Geervliet)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 5:37pm UTC](https://forum.inductiveautomation.com/t/linear-scale-tick-offset/95826 "2026-07-01T17:37:55Z")

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Hi, quick question this time. Couldn't find an answer in the documentation or on the forum. If noone's asked before I'm sure it's just an oversight in my part, but I can't find it for the life of me. I have a horizontal…

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## [readBlocking vs readValues](https://forum.inductiveautomation.com/t/readblocking-vs-readvalues/116232)

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**Author:** [@bmeyers](https://forum.inductiveautomation.com/u/bmeyers)\
**Replies:** 4\
**Last updated:** [July 1, 2026, 3:32pm UTC](https://forum.inductiveautomation.com/t/readblocking-vs-readvalues/116232 "2026-07-01T15:32:18Z")

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Looking for best practices advice and make sure I understand my options better. A PLC updates two specific registers and then latches a trigger bit telling Ignition data is ready to be stored in the database. I want to …

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## [system.tag.storeTagHistory() causing duplicate sqlth\_te entries for same tag path with no structural change](https://forum.inductiveautomation.com/t/system-tag-storetaghistory-causing-duplicate-sqlth-te-entries-for-same-tag-path-with-no-structural-change/116203)

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**Author:** [@Sudharsanan\_Mothilal](https://forum.inductiveautomation.com/u/Sudharsanan_Mothilal)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 3:17pm UTC](https://forum.inductiveautomation.com/t/system-tag-storetaghistory-causing-duplicate-sqlth-te-entries-for-same-tag-path-with-no-structural-change/116203 "2026-07-01T15:17:42Z")

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Ignition version: 8.1.43 Database: PostgreSQL Module: Tag Historian (standard SQL historian) Issue: I am storing time-series data into Ignition's tag historian using system.tag.storeTagHistory() from a Gateway Timer…

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## [Alarm Journal Gateway Filter REGEX](https://forum.inductiveautomation.com/t/alarm-journal-gateway-filter-regex/116231)

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**Author:** [@Mau89](https://forum.inductiveautomation.com/u/Mau89)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 3:12pm UTC](https://forum.inductiveautomation.com/t/alarm-journal-gateway-filter-regex/116231 "2026-07-01T15:12:15Z")

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Hi everyone, In alarm journal configuration it's possible define filter with regex? In particular, I would store all alarm except some path that contain specific word. Thanks

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