# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=230 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 231 --- ## [Haier Biomedical Freezer](https://forum.inductiveautomation.com/t/haier-biomedical-freezer/103882)
**Author:** [@jakned](https://forum.inductiveautomation.com/u/jakned)\ **Replies:** 5\ **Last updated:** [March 19, 2025, 1:55pm UTC](https://forum.inductiveautomation.com/t/haier-biomedical-freezer/103882 "2025-03-19T13:55:29Z")
Hi, does anyone have a experience with connecting Haier Biomedical freezer using their RS485 interface running Modbus RTU (thats what they claim)? I use a Modbus TCP to RTU converter that i tested with other RS485 Modbu… --- ## [Distributed Igntiion architecture](https://forum.inductiveautomation.com/t/distributed-igntiion-architecture/103889)
**Author:** [@Poul\_Klemmensen](https://forum.inductiveautomation.com/u/Poul_Klemmensen)\ **Replies:** 2\ **Last updated:** [March 19, 2025, 1:54pm UTC](https://forum.inductiveautomation.com/t/distributed-igntiion-architecture/103889 "2025-03-19T13:54:22Z")
I have a usecase, where I need to read some discrete events from either PLC or from another system. Then I need a little transformation of these events and finally I need them to be stored in a SQL database (S95 structur… --- ## [Nested click event getting overwritten](https://forum.inductiveautomation.com/t/nested-click-event-getting-overwritten/103884)
**Author:** [@Matthew\_Breeding](https://forum.inductiveautomation.com/u/Matthew_Breeding)\ **Replies:** 2\ **Last updated:** [March 19, 2025, 1:20pm UTC](https://forum.inductiveautomation.com/t/nested-click-event-getting-overwritten/103884 "2025-03-19T13:20:01Z")
Hey all, getting a bit of an issue with a onClick event. So basically I have a navigation tree that I need to make from scratch because the native perspective one does not meet my needs. With that I have a favorite func… --- ## [Bar code scanner](https://forum.inductiveautomation.com/t/bar-code-scanner/96491)
**Author:** [@Zach\_Larson](https://forum.inductiveautomation.com/u/Zach_Larson)\ **Replies:** 23\ **Last updated:** [March 19, 2025, 12:03pm UTC](https://forum.inductiveautomation.com/t/bar-code-scanner/96491 "2025-03-19T12:03:48Z")
I have read that I want a scanner that can act as a keyboard wedge. Anyone got some bar code scanner recommendations? I am in the USA. Just want to scan some codes from some material boxes to a focused input box. Hear… --- ## [Binding preview blue ⓘ prefix](https://forum.inductiveautomation.com/t/binding-preview-blue-prefix/103850)
**Author:** [@hunterdg](https://forum.inductiveautomation.com/u/hunterdg)\ **Replies:** 6\ **Last updated:** [March 19, 2025, 11:38am UTC](https://forum.inductiveautomation.com/t/binding-preview-blue-prefix/103850 "2025-03-19T11:38:02Z")
What does the blue ⓘ prefix indicate in otherwise-valid binding previews? --- ## [Perspective Mobile - Top dock scrolling when swiping down page](https://forum.inductiveautomation.com/t/perspective-mobile-top-dock-scrolling-when-swiping-down-page/103881)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 0\ **Last updated:** [March 19, 2025, 11:42am UTC](https://forum.inductiveautomation.com/t/perspective-mobile-top-dock-scrolling-when-swiping-down-page/103881 "2025-03-19T11:42:46Z")
v8.1.47 Unsure if this is a bug or just something with my setup, but I have the Perspective app installed on a samsung phone connected to a project with a top navigation dock and page content that is taller than the pho… --- ## [SerializationException error](https://forum.inductiveautomation.com/t/serializationexception-error/61831)
**Author:** [@vinayakulhas.m](https://forum.inductiveautomation.com/u/vinayakulhas.m)\ **Replies:** 3\ **Last updated:** [March 19, 2025, 11:24am UTC](https://forum.inductiveautomation.com/t/serializationexception-error/61831 "2025-03-19T11:24:21Z")
Hi, I am trying to open one screen from the demo proiect that I downloaded from Sepasoft website. The screen has MES Equipment Manager component . But I see below error. Any idea what is this? And how to resolve? I am… --- ## [XY chart shared xAxis](https://forum.inductiveautomation.com/t/xy-chart-shared-xaxis/103619)
**Author:** [@Alejandro\_Alaco](https://forum.inductiveautomation.com/u/Alejandro_Alaco)\ **Replies:** 1\ **Last updated:** [March 19, 2025, 9:36am UTC](https://forum.inductiveautomation.com/t/xy-chart-shared-xaxis/103619 "2025-03-19T09:36:30Z")
Hello! In Ignition Perspective I´m using a XY chart with 2 different database binding...same value from 2 different years. The results after using same yAxis range looks like: What I would like now is to overlap… --- ## [Bar Time Series Chart : Modification X\_axis](https://forum.inductiveautomation.com/t/bar-time-series-chart-modification-x-axis/103682)
**Author:** [@controls.automation](https://forum.inductiveautomation.com/u/controls.automation)\ **Replies:** 1\ **Last updated:** [March 19, 2025, 9:31am UTC](https://forum.inductiveautomation.com/t/bar-time-series-chart-modification-x-axis/103682 "2025-03-19T09:31:55Z")
Hi everyone, I'm new to Ignition, and this is my first project. I'm working with Perspective, and I want to create a bar graph to represent energy in kWh per day for the previous days (e.g., D-1, D-2, etc.), similar to … --- ## [Where to set Row hovered style in a perspective table](https://forum.inductiveautomation.com/t/where-to-set-row-hovered-style-in-a-perspective-table/103869)
**Author:** [@Aiasa21](https://forum.inductiveautomation.com/u/Aiasa21)\ **Replies:** 1\ **Last updated:** [March 19, 2025, 9:11am UTC](https://forum.inductiveautomation.com/t/where-to-set-row-hovered-style-in-a-perspective-table/103869 "2025-03-19T09:11:21Z")
Good morning, I create a style to set the row hovered color of a perspective table. If I set it directly in this way it works of course for all the tables: } .ia\_tableComponent\_\_body\_\_row--hovered { color: black; } { … --- ## [Performance Comparison between Linux Vs Windows in Ignition](https://forum.inductiveautomation.com/t/performance-comparison-between-linux-vs-windows-in-ignition/103843)
**Author:** [@srinivasan\_s](https://forum.inductiveautomation.com/u/srinivasan_s)\ **Replies:** 7\ **Last updated:** [March 19, 2025, 6:01am UTC](https://forum.inductiveautomation.com/t/performance-comparison-between-linux-vs-windows-in-ignition/103843 "2025-03-19T06:01:30Z")
I am seriously not having any idea/clarity on the questions I am going to ask here :slight\_smile: We are testing, working on which OS environment is best suite for developing as well as deployment whether it is Ubuntu o… --- ## [Sound for critical alarms](https://forum.inductiveautomation.com/t/sound-for-critical-alarms/99877)
**Author:** [@Andreas\_Wallevik](https://forum.inductiveautomation.com/u/Andreas_Wallevik)\ **Replies:** 16\ **Last updated:** [March 19, 2025, 4:35am UTC](https://forum.inductiveautomation.com/t/sound-for-critical-alarms/99877 "2025-03-19T04:35:21Z")
Hello, Quick question in regards to the Audio component in Perspective. I wish to have a sound play when a critical alarm is triggered. What would be the best way to achieve this? Anyone have any experience with this… --- ## [Perspective Audible Alarm](https://forum.inductiveautomation.com/t/perspective-audible-alarm/65772)
**Author:** [@beckya](https://forum.inductiveautomation.com/u/beckya)\ **Replies:** 4\ **Last updated:** [March 19, 2025, 4:26am UTC](https://forum.inductiveautomation.com/t/perspective-audible-alarm/65772 "2025-03-19T04:26:31Z")
I am looking for a way to alarm folks when a specific piece of equipment faults. We prefer to use an audible alarm. Does anyone have some experience with this or any suggestions on what could be done using Perspective? W… --- ## [How to delete/reset Historian?](https://forum.inductiveautomation.com/t/how-to-delete-reset-historian/103856)
**Author:** [@r123](https://forum.inductiveautomation.com/u/r123)\ **Replies:** 5\ **Last updated:** [March 19, 2025, 4:18am UTC](https://forum.inductiveautomation.com/t/how-to-delete-reset-historian/103856 "2025-03-19T04:18:35Z")
I do not need the old data, just need to reset the tables. I messed up deleting sqlt\_data tables after setting the pruning options. Now it will only create a table called sqlth\_1\_data and no data can be forwarded to it. … --- ## [Display path filter with number](https://forum.inductiveautomation.com/t/display-path-filter-with-number/103860)
**Author:** [@Wayne\_Wessel](https://forum.inductiveautomation.com/u/Wayne_Wessel)\ **Replies:** 0\ **Last updated:** [March 19, 2025, 4:15am UTC](https://forum.inductiveautomation.com/t/display-path-filter-with-number/103860 "2025-03-19T04:15:34Z")
Some of my alarms are bit position alarms from an array of integers, so I have paths ending in a number with a bit reference, e.g. .../Alarm1/bit12 If I use a Display path filter of \*Alarm1/bit\* it shows no matches, how… --- ## [Prespective UDT and Bindings](https://forum.inductiveautomation.com/t/prespective-udt-and-bindings/103735)
**Author:** [@Mitch\_Briggs](https://forum.inductiveautomation.com/u/Mitch_Briggs)\ **Replies:** 7\ **Last updated:** [March 19, 2025, 2:19am UTC](https://forum.inductiveautomation.com/t/prespective-udt-and-bindings/103735 "2025-03-19T02:19:21Z")
Hello, I'm sure this has been covered. If so, please point me to the correct area. I'm used to tag binding/UDT in Vision. This is what it looks like in Vision for me. -My "Home" page, I give it a special param of S… --- ## [Tag Object in Event Scripts Documentation](https://forum.inductiveautomation.com/t/tag-object-in-event-scripts-documentation/69576)
**Author:** [@deon.korb](https://forum.inductiveautomation.com/u/deon.korb)\ **Replies:** 5\ **Last updated:** [March 18, 2025, 11:59pm UTC](https://forum.inductiveautomation.com/t/tag-object-in-event-scripts-documentation/69576 "2025-03-18T23:59:17Z")
The documentation describes the modern approach to accessing parameters via the tag object: paramValue =tag\['parameters'\]\['myParam'\] https://docs.inductiveautomation.com/display/DOC81/Tag+Event+Scripts A thread here a… --- ## [Dynamic label update on button press](https://forum.inductiveautomation.com/t/dynamic-label-update-on-button-press/103797)
**Author:** [@jack.t](https://forum.inductiveautomation.com/u/jack.t)\ **Replies:** 7\ **Last updated:** [March 18, 2025, 9:35pm UTC](https://forum.inductiveautomation.com/t/dynamic-label-update-on-button-press/103797 "2025-03-18T21:35:24Z")
Hi all. I'm currently building in Ignition 8.1.45 perspective and having an issue that I can't understand.. I have 2 views (Sidepanel\_JT and Overview\_conv) the latter holds 3 buttons, CLR105, CLR106 and CLR107 - when p… --- ## [Ignition 7.9 issue with OPC tag with green question mark](https://forum.inductiveautomation.com/t/ignition-7-9-issue-with-opc-tag-with-green-question-mark/65686)
**Author:** [@Kenny\_Schafer](https://forum.inductiveautomation.com/u/Kenny_Schafer)\ **Replies:** 2\ **Last updated:** [March 18, 2025, 9:22pm UTC](https://forum.inductiveautomation.com/t/ignition-7-9-issue-with-opc-tag-with-green-question-mark/65686 "2025-03-18T21:22:13Z")
I am having an issue in Ignition Designer 7.9.4 where I can see the tags in OPC browser (OPC-UA server), but when I drag them into my tag browser, they all have a green question mark and don't display the value. I checke… --- ## [Modbus Address - Read and Write](https://forum.inductiveautomation.com/t/modbus-address-read-and-write/103845)
**Author:** [@Coleman\_Dudley](https://forum.inductiveautomation.com/u/Coleman_Dudley)\ **Replies:** 2\ **Last updated:** [March 18, 2025, 9:00pm UTC](https://forum.inductiveautomation.com/t/modbus-address-read-and-write/103845 "2025-03-18T21:00:08Z")
Good Afternoon Everyone, Thanks for helping me in the past with the Modbus Addressing. My addresses as of now are read only. For example, \[MB3170-Flow\_Meter\]1.HR338 and relates to changing units in the flowmeter (Holdi… --- ## [Vision Numerical Text Field Truncates Value to Show Suffix](https://forum.inductiveautomation.com/t/vision-numerical-text-field-truncates-value-to-show-suffix/103841)
**Author:** [@Josh\_Connell](https://forum.inductiveautomation.com/u/Josh_Connell)\ **Replies:** 0\ **Last updated:** [March 18, 2025, 7:37pm UTC](https://forum.inductiveautomation.com/t/vision-numerical-text-field-truncates-value-to-show-suffix/103841 "2025-03-18T19:37:37Z")
If a Numerical Text Field is too small to display both the value and the suffix then it truncates the value in order to display the suffix (1st image). If the numerical text field is clicked on and then the focus is lost… --- ## [Slow Perspective Screens Load Times After Update](https://forum.inductiveautomation.com/t/slow-perspective-screens-load-times-after-update/93243)
**Author:** [@jacob.ramirez](https://forum.inductiveautomation.com/u/jacob.ramirez)\ **Replies:** 1\ **Last updated:** [March 18, 2025, 7:21pm UTC](https://forum.inductiveautomation.com/t/slow-perspective-screens-load-times-after-update/93243 "2025-03-18T19:21:29Z")
Has anyone noticed a very slow perspective screen update after upgrading? I upgraded from 8.1.32 to 8.1.41 and now all my perspective screens take about 1 minute to load. --- ## [How to create a flashing component in Vision](https://forum.inductiveautomation.com/t/how-to-create-a-flashing-component-in-vision/87315)
**Author:** [@Lion\_Sun](https://forum.inductiveautomation.com/u/Lion_Sun)\ **Replies:** 7\ **Last updated:** [March 18, 2025, 4:51pm UTC](https://forum.inductiveautomation.com/t/how-to-create-a-flashing-component-in-vision/87315 "2025-03-18T16:51:08Z")
I want to create a flash label in vision project. The background color keeps changing from red and white colors periodically. Anyone can share some ideas how I can make this happen? Thanks! --- ## [Import MySQL table](https://forum.inductiveautomation.com/t/import-mysql-table/103838)
**Author:** [@TechEnlive](https://forum.inductiveautomation.com/u/TechEnlive)\ **Replies:** 1\ **Last updated:** [March 18, 2025, 4:22pm UTC](https://forum.inductiveautomation.com/t/import-mysql-table/103838 "2025-03-18T16:22:53Z")
Hi, I am new to ignition perspective. I have create three views and add table to show data. i don't know how to import data. Can some one give guide? --- ## [Hide a popup window without closing it?](https://forum.inductiveautomation.com/t/hide-a-popup-window-without-closing-it/87627)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 4\ **Last updated:** [March 18, 2025, 3:55pm UTC](https://forum.inductiveautomation.com/t/hide-a-popup-window-without-closing-it/87627 "2025-03-18T15:55:29Z")
is there a way to hide a popup windows in perspective without closing it ? A then a way to unhide it. --- ## [Select a number of cells and update them all at the same time in Power Table](https://forum.inductiveautomation.com/t/select-a-number-of-cells-and-update-them-all-at-the-same-time-in-power-table/26164)
**Author:** [@grisbel.molina](https://forum.inductiveautomation.com/u/grisbel.molina)\ **Replies:** 1\ **Last updated:** [March 18, 2025, 3:40pm UTC](https://forum.inductiveautomation.com/t/select-a-number-of-cells-and-update-them-all-at-the-same-time-in-power-table/26164 "2025-03-18T15:40:46Z")
Hi to all. I am using Ignition 8, and i have a power table in my project. The new requirement of this project is to be able to select multiple cells at the same time and edit all of them at the same time. I want to be… --- ## [Tag\_History Query returns null values when report is saved](https://forum.inductiveautomation.com/t/tag-history-query-returns-null-values-when-report-is-saved/103828)
**Author:** [@milton.stathakis](https://forum.inductiveautomation.com/u/milton.stathakis)\ **Replies:** 6\ **Last updated:** [March 18, 2025, 3:29pm UTC](https://forum.inductiveautomation.com/t/tag-history-query-returns-null-values-when-report-is-saved/103828 "2025-03-18T15:29:11Z")
Hi everyone, I have a report that uses {batchStart} and {batchEnd} datetime parameters to give the tag\_history query a range. The system.report.executeAndDistribute function is triggered by the batchEnd memory tag chang… --- ## [Designer doesn't launch](https://forum.inductiveautomation.com/t/designer-doesnt-launch/103805)
**Author:** [@Marcos\_Verdugo](https://forum.inductiveautomation.com/u/Marcos_Verdugo)\ **Replies:** 5\ **Last updated:** [March 18, 2025, 3:18pm UTC](https://forum.inductiveautomation.com/t/designer-doesnt-launch/103805 "2025-03-18T15:18:31Z")
Hi, a few days ago we update Ignition 8.0.2 to 8.1.47, Everything was working fine but suddenly we had a shutdown of the gateway. After we started again the Ignition service on Windows it started working normally but we … --- ## [Data Filter Prior to Storing in Historian or Publishing to Cloud](https://forum.inductiveautomation.com/t/data-filter-prior-to-storing-in-historian-or-publishing-to-cloud/43318)
**Author:** [@ignitionfan1](https://forum.inductiveautomation.com/u/ignitionfan1)\ **Replies:** 2\ **Last updated:** [March 18, 2025, 4:58am UTC](https://forum.inductiveautomation.com/t/data-filter-prior-to-storing-in-historian-or-publishing-to-cloud/43318 "2025-03-18T04:58:16Z")
Hello, I am trying to think of a way to clean/filter noise from tag data prior to storing it in Historian or Publishing to the cloud. Any suggestions? Thanks --- ## [Gateway Events TagChange script - delayed effect and sticky](https://forum.inductiveautomation.com/t/gateway-events-tagchange-script-delayed-effect-and-sticky/100700)
**Author:** [@Ervin](https://forum.inductiveautomation.com/u/Ervin)\ **Replies:** 2\ **Last updated:** [March 18, 2025, 2:39pm UTC](https://forum.inductiveautomation.com/t/gateway-events-tagchange-script-delayed-effect-and-sticky/100700 "2025-03-18T14:39:17Z")
Hi for all. I've done some projects and stuff in ignition, but something's strage here. I wanted to create a script that changes value of a tag when another tag changes values. (later opted to move to the tag script) S… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=229) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=231)