# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=728 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 729 --- ## [Null Query Error - Binding needs "double"](https://forum.inductiveautomation.com/t/null-query-error-binding-needs-double/68079)
**Author:** [@andrews](https://forum.inductiveautomation.com/u/andrews)\ **Replies:** 6\ **Last updated:** [December 29, 2022, 11:40pm UTC](https://forum.inductiveautomation.com/t/null-query-error-binding-needs-double/68079 "2022-12-29T23:40:59Z")
Hello, I have a numeric display, and named query binding on the value. The error I get is : Exception: Conversion error: query returned null, binding needs "double" on query binding for "Main Menu.Root Container.Numer… --- ## [Hour Meter resets to zero](https://forum.inductiveautomation.com/t/hour-meter-resets-to-zero/4419)
**Author:** [@Ruslan](https://forum.inductiveautomation.com/u/Ruslan)\ **Replies:** 9\ **Last updated:** [December 29, 2022, 10:12pm UTC](https://forum.inductiveautomation.com/t/hour-meter-resets-to-zero/4419 "2022-12-29T22:12:17Z")
Hello! I have noticed, that Hour Meter resets to zero each time I restart SQL Bridge module. Is there any way to save previous values? SQL Bridge version used: 5.3.3 (b117). --- ## [Help with ISO8601 duration string conversion](https://forum.inductiveautomation.com/t/help-with-iso8601-duration-string-conversion/68044)
**Author:** [@Elisha\_Blevins](https://forum.inductiveautomation.com/u/Elisha_Blevins)\ **Replies:** 4\ **Last updated:** [December 29, 2022, 7:30pm UTC](https://forum.inductiveautomation.com/t/help-with-iso8601-duration-string-conversion/68044 "2022-12-29T19:30:33Z")
I am trying to convert a series of string tags displaying durations in the ISO8601 format to DateTime tags or Integer tags. I considered using an expression tag, but our expression was unsuccessful (see example below). T… --- ## [PSA: Testing Perspective with Chrome Emulated Devices](https://forum.inductiveautomation.com/t/psa-testing-perspective-with-chrome-emulated-devices/68071)
**Author:** [@amarks](https://forum.inductiveautomation.com/u/amarks)\ **Replies:** 0\ **Last updated:** [December 29, 2022, 5:17pm UTC](https://forum.inductiveautomation.com/t/psa-testing-perspective-with-chrome-emulated-devices/68071 "2022-12-29T17:17:20Z")
PSA to those who are using Perspective to develop for mobile devices: I just found that Chrome has a built-in device interaction emulator so you can test the responsiveness of your design for mobile devices quite easily… --- ## [Horizontal Bar Chart - XY Chart](https://forum.inductiveautomation.com/t/horizontal-bar-chart-xy-chart/68069)
**Author:** [@jacob.ramirez](https://forum.inductiveautomation.com/u/jacob.ramirez)\ **Replies:** 2\ **Last updated:** [December 29, 2022, 4:35pm UTC](https://forum.inductiveautomation.com/t/horizontal-bar-chart-xy-chart/68069 "2022-12-29T16:35:37Z")
Is there a way to use the XY chart for a bar graph that is horizontal instead of vertical? --- ## [SmartCover API with Ignition](https://forum.inductiveautomation.com/t/smartcover-api-with-ignition/68064)
**Author:** [@nruimveld](https://forum.inductiveautomation.com/u/nruimveld)\ **Replies:** 4\ **Last updated:** [December 29, 2022, 3:55pm UTC](https://forum.inductiveautomation.com/t/smartcover-api-with-ignition/68064 "2022-12-29T15:55:09Z")
Has anyone done API integration between SmartCover and Ignition? Any info would be greatly appreciated. Thank you! --- ## [Perspective alarm status table checkbox sze](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-checkbox-sze/68017)
**Author:** [@Richard\_Giske](https://forum.inductiveautomation.com/u/Richard_Giske)\ **Replies:** 6\ **Last updated:** [December 29, 2022, 11:52am UTC](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-checkbox-sze/68017 "2022-12-29T11:52:38Z")
Is there any way to increase the size of the checkbox of the alarm status table in perspective? Only found older posts regarding this issue and none with a solution. Client requests bigger buttons as the operators are … --- ## [Perspective Components for Text Field and Text Area don't have "OnChange" event. Is there a way to achieve it?](https://forum.inductiveautomation.com/t/perspective-components-for-text-field-and-text-area-dont-have-onchange-event-is-there-a-way-to-achieve-it/68059)
**Author:** [@Jaskirat\_Kaur](https://forum.inductiveautomation.com/u/Jaskirat_Kaur)\ **Replies:** 1\ **Last updated:** [December 29, 2022, 11:25am UTC](https://forum.inductiveautomation.com/t/perspective-components-for-text-field-and-text-area-dont-have-onchange-event-is-there-a-way-to-achieve-it/68059 "2022-12-29T11:25:49Z")
I am trying to update TextField2 when user enters text in TextField1. How to capture the change on TextField1? --- ## [Error writing to I:0\_0\_05.value on A-B MicroLogix 1100](https://forum.inductiveautomation.com/t/error-writing-to-i-0-0-05-value-on-a-b-micrologix-1100/68050)
**Author:** [@Moises\_Martin](https://forum.inductiveautomation.com/u/Moises_Martin)\ **Replies:** 3\ **Last updated:** [December 29, 2022, 4:21am UTC](https://forum.inductiveautomation.com/t/error-writing-to-i-0-0-05-value-on-a-b-micrologix-1100/68050 "2022-12-29T04:21:12Z")
When I try to assign 1 to tag I:0\_0\_05 I get this : Error writing to I:0\_0\_05.value: Bad("Bad\_NotWritable:The access level does not allow writing to the Node.") The HMI buttom works because I can print something in th… --- ## [Display legend of chart just besides in the lines](https://forum.inductiveautomation.com/t/display-legend-of-chart-just-besides-in-the-lines/67850)
**Author:** [@Bastian\_Jara](https://forum.inductiveautomation.com/u/Bastian_Jara)\ **Replies:** 1\ **Last updated:** [December 28, 2022, 10:40pm UTC](https://forum.inductiveautomation.com/t/display-legend-of-chart-just-besides-in-the-lines/67850 "2022-12-28T22:40:19Z")
Hello everyone. Im new here, and I have been looking in the documentation, videos and in this same forum without results... It is very simple (or not) what I need... the names of the data appear next to the line, I up… --- ## [Perspective Alarm Status Table, Marquee](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-marquee/67901)
**Author:** [@zacht](https://forum.inductiveautomation.com/u/zacht)\ **Replies:** 1\ **Last updated:** [December 28, 2022, 9:53pm UTC](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-marquee/67901 "2022-12-28T21:53:41Z")
Is there a "marquee mode" for the perspective Alarm Status Table like there is for the vision equivalent? I found this topic which suggests it was considered, but I didn't find anything that indicated it was ever comple… --- ## [Ignition did not publish acknowledgement for opc subscription](https://forum.inductiveautomation.com/t/ignition-did-not-publish-acknowledgement-for-opc-subscription/55275)
**Author:** [@Sam\_Lyu](https://forum.inductiveautomation.com/u/Sam_Lyu)\ **Replies:** 9\ **Last updated:** [December 28, 2022, 9:41pm UTC](https://forum.inductiveautomation.com/t/ignition-did-not-publish-acknowledgement-for-opc-subscription/55275 "2022-12-28T21:41:48Z")
For our application we have a opcua server written with asyncua . The ignition server is subscribing to a heart beat tag which updated by the asyncua server every second. On the opcua side, I found that there is one sub… --- ## [Error writing to OPC UA tag : "Bad"](https://forum.inductiveautomation.com/t/error-writing-to-opc-ua-tag-bad/68025)
**Author:** [@Andrew\_Warren](https://forum.inductiveautomation.com/u/Andrew_Warren)\ **Replies:** 9\ **Last updated:** [December 28, 2022, 8:48pm UTC](https://forum.inductiveautomation.com/t/error-writing-to-opc-ua-tag-bad/68025 "2022-12-28T20:48:28Z")
I'm working on duplicating an existing tool that writes to OPC tags to control access level on some PLCs. I have setup the tags in the same manner when I expanding the tool previously. The tool does nothing when the fiel… --- ## [Column Container pushing components erratically](https://forum.inductiveautomation.com/t/column-container-pushing-components-erratically/67985)
**Author:** [@smcfarlane](https://forum.inductiveautomation.com/u/smcfarlane)\ **Replies:** 4\ **Last updated:** [December 28, 2022, 8:44pm UTC](https://forum.inductiveautomation.com/t/column-container-pushing-components-erratically/67985 "2022-12-28T20:44:08Z")
Ignition version 8.0.14 Using a column container to set up a grid of buttons and when trying to add buttons to a row, the rest of the components will get pushed seemingly at random. Before adding the button Adding … --- ## [Find more information about OPC subscription](https://forum.inductiveautomation.com/t/find-more-information-about-opc-subscription/68035)
**Author:** [@salbrechtsen](https://forum.inductiveautomation.com/u/salbrechtsen)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 8:31pm UTC](https://forum.inductiveautomation.com/t/find-more-information-about-opc-subscription/68035 "2022-12-28T20:31:59Z")
Does anyone know of a good way to look up more information about a given opc subscription? How I could look up the tag(s) associated with these ids: --- ## [Will enable auditing on the project setting stop the clients?](https://forum.inductiveautomation.com/t/will-enable-auditing-on-the-project-setting-stop-the-clients/68034)
**Author:** [@Emilio\_Rangel](https://forum.inductiveautomation.com/u/Emilio_Rangel)\ **Replies:** 1\ **Last updated:** [December 28, 2022, 8:12pm UTC](https://forum.inductiveautomation.com/t/will-enable-auditing-on-the-project-setting-stop-the-clients/68034 "2022-12-28T20:12:54Z")
Hello, just a quick question, I'm trying to audit events on the clients of the project, since is kinda problematic to cause any stop/flash/disconnection/etc.. on the clients, my question is if I enable the auditing will … --- ## [Gateway reboot itself. What is the reason?](https://forum.inductiveautomation.com/t/gateway-reboot-itself-what-is-the-reason/68022)
**Author:** [@Michal\_Goralczyk](https://forum.inductiveautomation.com/u/Michal_Goralczyk)\ **Replies:** 7\ **Last updated:** [December 28, 2022, 6:33pm UTC](https://forum.inductiveautomation.com/t/gateway-reboot-itself-what-is-the-reason/68022 "2022-12-28T18:33:40Z")
Hello, a while ago my Gateway Ignition spontaneously rebooted what I suspected in the logs I am posting below. What was the reason for the Gateway reboot? What it means: Clock drift, degraded performance, or paus… --- ## [Editing tag OPCServer property very slow](https://forum.inductiveautomation.com/t/editing-tag-opcserver-property-very-slow/68030)
**Author:** [@salbrechtsen](https://forum.inductiveautomation.com/u/salbrechtsen)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 5:55pm UTC](https://forum.inductiveautomation.com/t/editing-tag-opcserver-property-very-slow/68030 "2022-12-28T17:55:57Z")
We have a gateway with about 1M tags on one provider split across 5 opc servers. 4 Kepserver and 1 Autosol. We have a use case for needing to edit the OPCServer property of some tags, everything else stays the same. Pre… --- ## [Ignition 8.1.23 Email Notification with Gmail Connection Issue](https://forum.inductiveautomation.com/t/ignition-8-1-23-email-notification-with-gmail-connection-issue/68007)
**Author:** [@Data](https://forum.inductiveautomation.com/u/Data)\ **Replies:** 7\ **Last updated:** [December 28, 2022, 5:55pm UTC](https://forum.inductiveautomation.com/t/ignition-8-1-23-email-notification-with-gmail-connection-issue/68007 "2022-12-28T17:55:02Z")
Merry Christmas Everyone! After some frustrating re-configuring and re-testing a rejected Ignition Gateway Email SMTP account which used to work, I see in the event log "user and password" are rejected. A little researc… --- ## [Ignition gateway's load on processor cores](https://forum.inductiveautomation.com/t/ignition-gateways-load-on-processor-cores/68023)
**Author:** [@Michal\_Goralczyk](https://forum.inductiveautomation.com/u/Michal_Goralczyk)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 2:01pm UTC](https://forum.inductiveautomation.com/t/ignition-gateways-load-on-processor-cores/68023 "2022-12-28T14:01:49Z")
Hello I have a question about the load on the processor cores by Gateway Ignition. I have noticed that the load on the individual cores is not evenly distributed, what is the reason for this and is it normal that some ar… --- ## [\[SOLVED\] What is the syntax for sending a message from a popup in Perspective to refresh a binding on the root of a view?](https://forum.inductiveautomation.com/t/solved-what-is-the-syntax-for-sending-a-message-from-a-popup-in-perspective-to-refresh-a-binding-on-the-root-of-a-view/68011)
**Author:** [@bmeyers](https://forum.inductiveautomation.com/u/bmeyers)\ **Replies:** 4\ **Last updated:** [December 28, 2022, 1:25pm UTC](https://forum.inductiveautomation.com/t/solved-what-is-the-syntax-for-sending-a-message-from-a-popup-in-perspective-to-refresh-a-binding-on-the-root-of-a-view/68011 "2022-12-28T13:25:50Z")
I have a view called main. I want to refresh a binding on main from a script running in a popup window called my\_popup. The code on a button in my\_popup is: messageType = 'tbl\_Refresh\_Data' system.perspective.sendMessa… --- ## [Transaction Groups (gives Store and Forward error)](https://forum.inductiveautomation.com/t/transaction-groups-gives-store-and-forward-error/67955)
**Author:** [@iscrac](https://forum.inductiveautomation.com/u/iscrac)\ **Replies:** 3\ **Last updated:** [December 28, 2022, 1:24pm UTC](https://forum.inductiveautomation.com/t/transaction-groups-gives-store-and-forward-error/67955 "2022-12-28T13:24:05Z")
Hi Everyone, I have configured Transaction Group which executes only when tag has changed its value... so.. Somehow not every time, but... the fact is that I get error like These data do not change for long time..… --- ## [Is DLP (Data loss prevention Software) hamper Vision application speed?](https://forum.inductiveautomation.com/t/is-dlp-data-loss-prevention-software-hamper-vision-application-speed/68016)
**Author:** [@Hvk05921](https://forum.inductiveautomation.com/u/Hvk05921)\ **Replies:** 1\ **Last updated:** [December 28, 2022, 1:22pm UTC](https://forum.inductiveautomation.com/t/is-dlp-data-loss-prevention-software-hamper-vision-application-speed/68016 "2022-12-28T13:22:58Z")
Hello, Our client installed DLP (Data loss prevention software) on few vision client machine, as we observed after installation those client machines vision client application is running slowly and remaining all client… --- ## [Transform display text of a label based on an Indirect Tag value in Vision version 8+ versions](https://forum.inductiveautomation.com/t/transform-display-text-of-a-label-based-on-an-indirect-tag-value-in-vision-version-8-versions/68015)
**Author:** [@PRAMANJ](https://forum.inductiveautomation.com/u/PRAMANJ)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 12:37pm UTC](https://forum.inductiveautomation.com/t/transform-display-text-of-a-label-based-on-an-indirect-tag-value-in-vision-version-8-versions/68015 "2022-12-28T12:37:29Z")
In Ignition version 8.1+, I am unable to do simple transform of a text to be displayed on a label depending upon value of an indirect tag say from 0,1,2 to OFF, ON, TRIP ! In lower versions of Ignition, it was very easy … --- ## [Perspective Charts](https://forum.inductiveautomation.com/t/perspective-charts/68014)
**Author:** [@Divya\_Chorge](https://forum.inductiveautomation.com/u/Divya_Chorge)\ **Replies:** 1\ **Last updated:** [December 28, 2022, 11:15am UTC](https://forum.inductiveautomation.com/t/perspective-charts/68014 "2022-12-28T11:15:25Z")
I want to show the average data of one column from SQL in perspective by using charts. I have tried to use the SQL AVG function in named query but still I am getting error. --- ## [Ignition VoIP - No sound](https://forum.inductiveautomation.com/t/ignition-voip-no-sound/67938)
**Author:** [@Richard\_Giske](https://forum.inductiveautomation.com/u/Richard_Giske)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 8:52am UTC](https://forum.inductiveautomation.com/t/ignition-voip-no-sound/67938 "2022-12-28T08:52:47Z")
Hi Have a VoIP service connected, and Registered with VOIP Host is showing on the settings page. When I trigger an alarm and the notifiaction pipeline calls me up I get no sound when I pick up. I tried to monitor the … --- ## [How to change the background color for Tag Browse Tree component](https://forum.inductiveautomation.com/t/how-to-change-the-background-color-for-tag-browse-tree-component/66001)
**Author:** [@SARAVANAN\_G](https://forum.inductiveautomation.com/u/SARAVANAN_G)\ **Replies:** 5\ **Last updated:** [December 28, 2022, 6:48am UTC](https://forum.inductiveautomation.com/t/how-to-change-the-background-color-for-tag-browse-tree-component/66001 "2022-12-28T06:48:23Z")
Hi, Is there any option to change the background color of tag browse tree? --- ## [Keep tag history when moving tag](https://forum.inductiveautomation.com/t/keep-tag-history-when-moving-tag/66024)
**Author:** [@SamuelsenLarsen](https://forum.inductiveautomation.com/u/SamuelsenLarsen)\ **Replies:** 21\ **Last updated:** [December 27, 2022, 11:18pm UTC](https://forum.inductiveautomation.com/t/keep-tag-history-when-moving-tag/66024 "2022-12-27T23:18:54Z")
Hi, I have to move a local tag provider to a remote tag provider. But I cant figure out how to keep the tag history intact. All help is gratefully received☺️ Stian --- ## [Reading dataset and converting to PyDataSet](https://forum.inductiveautomation.com/t/reading-dataset-and-converting-to-pydataset/68009)
**Author:** [@k-cottos](https://forum.inductiveautomation.com/u/k-cottos)\ **Replies:** 1\ **Last updated:** [December 27, 2022, 10:41pm UTC](https://forum.inductiveautomation.com/t/reading-dataset-and-converting-to-pydataset/68009 "2022-12-27T22:41:18Z")
I'm having an issue converting a dataset tag. It looks like the readBlocking function is returning a list. Here's my code from the script console: datasetIn = system.tag.readBlocking('tagPath') datasetInPy = system.dat… --- ## [Perspective on 32 bit](https://forum.inductiveautomation.com/t/perspective-on-32-bit/68006)
**Author:** [@kyle.bennett](https://forum.inductiveautomation.com/u/kyle.bennett)\ **Replies:** 1\ **Last updated:** [December 27, 2022, 9:25pm UTC](https://forum.inductiveautomation.com/t/perspective-on-32-bit/68006 "2022-12-27T21:25:58Z")
Anybody had any luck recently running a perspective client on 32bit XP? I'm looking into upgrading the machine, but figured it was worth asking. Obviously it's more of a browser issue than an Ignition thing. [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=727) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=729)