# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=147 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 148 --- ## [\[Bug?\] Max heap 10240 and upgrade ignition 8.1](https://forum.inductiveautomation.com/t/bug-max-heap-10240-and-upgrade-ignition-8-1/110061)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 5\ **Last updated:** [August 22, 2025, 1:14pm UTC](https://forum.inductiveautomation.com/t/bug-max-heap-10240-and-upgrade-ignition-8-1/110061 "2025-08-22T13:14:27Z")
I have 2 server with Ifntion 8.1.48 and max heap memory set to 10240 Mo After upgrading to 8.1.49, memory is changed to 2048. Same issue when upgraded from 8.1.47 to 8.1.48 I suspect the check of ignition.conf take 10… --- ## [WebService or WebDev](https://forum.inductiveautomation.com/t/webservice-or-webdev/109563)
**Author:** [@Tokyo\_mht](https://forum.inductiveautomation.com/u/Tokyo_mht)\ **Replies:** 3\ **Last updated:** [August 22, 2025, 12:35pm UTC](https://forum.inductiveautomation.com/t/webservice-or-webdev/109563 "2025-08-22T12:35:42Z")
In perspective, on button event click, it will call SAP URL endpoint to fetch JSON data. So to get SAP integration(Data) which is the best way - using WebDev or SepaSoft modules(webservice and Business connector) --- ## [Perspective Workstation system commands doesn't work](https://forum.inductiveautomation.com/t/perspective-workstation-system-commands-doesnt-work/110086)
**Author:** [@andrzej.juzwa](https://forum.inductiveautomation.com/u/andrzej.juzwa)\ **Replies:** 1\ **Last updated:** [August 22, 2025, 11:25am UTC](https://forum.inductiveautomation.com/t/perspective-workstation-system-commands-doesnt-work/110086 "2025-08-22T11:25:10Z")
Hello all, I’m just starting using Ignition for a simple project in order to learn new system for me. But I get stuck. I tried to make some buttons for switching Workstation into full screen mode, and also button for c… --- ## [Retrieve data from a popup to a component property](https://forum.inductiveautomation.com/t/retrieve-data-from-a-popup-to-a-component-property/110037)
**Author:** [@mario.lopez](https://forum.inductiveautomation.com/u/mario.lopez)\ **Replies:** 7\ **Last updated:** [August 22, 2025, 10:12am UTC](https://forum.inductiveautomation.com/t/retrieve-data-from-a-popup-to-a-component-property/110037 "2025-08-22T10:12:50Z")
I have coded a script that opens a popup window when a binded boolean custom property turns True. Is there any way to retrive/store some data introduced by the user in the pop up and store in the properties of the compon… --- ## [java.lang.IllegalStateException: Committed](https://forum.inductiveautomation.com/t/java-lang-illegalstateexception-committed/110041)
**Author:** [@RodrigoR](https://forum.inductiveautomation.com/u/RodrigoR)\ **Replies:** 1\ **Last updated:** [August 22, 2025, 6:51am UTC](https://forum.inductiveautomation.com/t/java-lang-illegalstateexception-committed/110041 "2025-08-22T06:51:17Z")
Since upgrading from Ignition 8.1.47 to 8.1.49, I’ve noticed errors appearing in the Gateway logs sometimes when I refresh Perspective project pages in the browser. I’m wondering if this could be related to a similar er… --- ## [Combining Multiple Bool Status Tags into Single Tag](https://forum.inductiveautomation.com/t/combining-multiple-bool-status-tags-into-single-tag/76763)
**Author:** [@Dhrupal\_Patel](https://forum.inductiveautomation.com/u/Dhrupal_Patel)\ **Replies:** 4\ **Last updated:** [August 21, 2025, 11:59pm UTC](https://forum.inductiveautomation.com/t/combining-multiple-bool-status-tags-into-single-tag/76763 "2025-08-21T23:59:03Z")
What is the most efficient method to combine multiple bool status tags into a single tag to drive a perspective motor SVG state change? For example, I have a Motor with a separate Fault Tag, Run Tag, and Stopped Tag tha… --- ## [Can I execute/open VNC viewer exe from Perspective Client?](https://forum.inductiveautomation.com/t/can-i-execute-open-vnc-viewer-exe-from-perspective-client/110050)
**Author:** [@suraj.shelake](https://forum.inductiveautomation.com/u/suraj.shelake)\ **Replies:** 12\ **Last updated:** [August 21, 2025, 9:58pm UTC](https://forum.inductiveautomation.com/t/can-i-execute-open-vnc-viewer-exe-from-perspective-client/110050 "2025-08-21T21:58:37Z")
I want to open a VNC viewer exe from the Ignition perspective client. The gateway for this specific project is on Linux-based system, The perspective clients will be launched on Windows-based systems (most of the times) … --- ## [Ignition Licensed](https://forum.inductiveautomation.com/t/ignition-licensed/110075)
**Author:** [@rsnaik](https://forum.inductiveautomation.com/u/rsnaik)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 9:40pm UTC](https://forum.inductiveautomation.com/t/ignition-licensed/110075 "2025-08-21T21:40:22Z")
Hello, The licenses for Kymera and Ignition are installed on our Ignition Server. If we restore a gateway backup from a different server which does not have any license. Will the Ignition Server have a license issue? … --- ## [Perspective Table - Invididual Cell Conditional Formatting](https://forum.inductiveautomation.com/t/perspective-table-invididual-cell-conditional-formatting/39371)
**Author:** [@msusi](https://forum.inductiveautomation.com/u/msusi)\ **Replies:** 12\ **Last updated:** [August 21, 2025, 9:31pm UTC](https://forum.inductiveautomation.com/t/perspective-table-invididual-cell-conditional-formatting/39371 "2025-08-21T21:31:05Z")
Hello everyone. I am having some difficulty with individual cell conditional formatting on the new perspective tables. I am using the script below from another post to apply formatting based upon a cell return. While th… --- ## [Licence for MAker Edition](https://forum.inductiveautomation.com/t/licence-for-maker-edition/39004)
**Author:** [@AVavadia](https://forum.inductiveautomation.com/u/AVavadia)\ **Replies:** 5\ **Last updated:** [August 21, 2025, 8:05pm UTC](https://forum.inductiveautomation.com/t/licence-for-maker-edition/39004 "2025-08-21T20:05:33Z")
Hi I manage to generate a license and token on the website but when I copy the License key and Token on to the software , it comes up with “ACTIVATION FAILED” . Need help . --- ## [Timer double ticks with multiple instances](https://forum.inductiveautomation.com/t/timer-double-ticks-with-multiple-instances/110069)
**Author:** [@carter.doud](https://forum.inductiveautomation.com/u/carter.doud)\ **Replies:** 4\ **Last updated:** [August 21, 2025, 7:46pm UTC](https://forum.inductiveautomation.com/t/timer-double-ticks-with-multiple-instances/110069 "2025-08-21T19:46:51Z")
I have a timer instance in my program that whenever multiple instances of the window get opened (vision, designer, etc) it adds another timer pulse. I am using the timer module for this, I would like it to tick once per … --- ## [Sepasoft getRecipeValues script](https://forum.inductiveautomation.com/t/sepasoft-getrecipevalues-script/110057)
**Author:** [@carter.doud](https://forum.inductiveautomation.com/u/carter.doud)\ **Replies:** 2\ **Last updated:** [August 21, 2025, 7:25pm UTC](https://forum.inductiveautomation.com/t/sepasoft-getrecipevalues-script/110057 "2025-08-21T19:25:46Z")
Hi, I have a recipe base in a sepasoft MES database that I am trying to reference to pull a value based on a scanned part number. I have the scanner module pulling the correct part numbers, but using the getRecipeValues … --- ## [Bug? Writing to DateTime memory tag not functioning as anticipated 8.1.33](https://forum.inductiveautomation.com/t/bug-writing-to-datetime-memory-tag-not-functioning-as-anticipated-8-1-33/110059)
**Author:** [@cdunn.home](https://forum.inductiveautomation.com/u/cdunn.home)\ **Replies:** 0\ **Last updated:** [August 21, 2025, 5:58pm UTC](https://forum.inductiveautomation.com/t/bug-writing-to-datetime-memory-tag-not-functioning-as-anticipated-8-1-33/110059 "2025-08-21T17:58:30Z")
I don’t know if this is a bug or intended behavior, but I was trying to write updated datetime values to a memory tag. It seemed to have no effect, but still return good quality. This is the tag I created, complete with… --- ## [Search the entire Ignition University video library](https://forum.inductiveautomation.com/t/search-the-entire-ignition-university-video-library/110052)
**Author:** [@andy.hernandez](https://forum.inductiveautomation.com/u/andy.hernandez)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 4:57pm UTC](https://forum.inductiveautomation.com/t/search-the-entire-ignition-university-video-library/110052 "2025-08-21T16:57:30Z")
Hello. Can someone let me know if there’s a way to search the entire Ignition University video library, specifically within the transcript text blocks? I’d like to be able to search the text inside those transcripts glo… --- ## [Button Icon Scaling](https://forum.inductiveautomation.com/t/button-icon-scaling/110051)
**Author:** [@carter.doud](https://forum.inductiveautomation.com/u/carter.doud)\ **Replies:** 0\ **Last updated:** [August 21, 2025, 4:23pm UTC](https://forum.inductiveautomation.com/t/button-icon-scaling/110051 "2025-08-21T16:23:42Z")
Everyone here has been extremely helpful, and as I am now coming into the final steps of my project, I am running into a couple issues with scaling when going to different size monitors. I have most of them figured out, … --- ## [Trigger tags history pruning](https://forum.inductiveautomation.com/t/trigger-tags-history-pruning/110049)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 3:53pm UTC](https://forum.inductiveautomation.com/t/trigger-tags-history-pruning/110049 "2025-08-21T15:53:59Z")
Ignition 8.1. Can we trigger by script the tags history pruning ? --- ## [Whey doesn't this expression work in vision?](https://forum.inductiveautomation.com/t/whey-doesnt-this-expression-work-in-vision/110048)
**Author:** [@cssbrn](https://forum.inductiveautomation.com/u/cssbrn)\ **Replies:** 7\ **Last updated:** [August 21, 2025, 3:53pm UTC](https://forum.inductiveautomation.com/t/whey-doesnt-this-expression-work-in-vision/110048 "2025-08-21T15:53:17Z")
--- ## [Omron CJ2 PLC E Memory Access](https://forum.inductiveautomation.com/t/omron-cj2-plc-e-memory-access/81034)
**Author:** [@Duane\_Rembert](https://forum.inductiveautomation.com/u/Duane_Rembert)\ **Replies:** 18\ **Last updated:** [August 21, 2025, 3:47pm UTC](https://forum.inductiveautomation.com/t/omron-cj2-plc-e-memory-access/81034 "2025-08-21T15:47:24Z")
I am new to ignition and am still running the trial version for R&D. However, I have hit a snag. Per the User Manual, I should be able to access all the Extended Memory areas of the PLC. I get a Bad quality and value sh… --- ## [Ignition Gateway Tag Changed Events](https://forum.inductiveautomation.com/t/ignition-gateway-tag-changed-events/110040)
**Author:** [@stevenc](https://forum.inductiveautomation.com/u/stevenc)\ **Replies:** 6\ **Last updated:** [August 21, 2025, 3:32pm UTC](https://forum.inductiveautomation.com/t/ignition-gateway-tag-changed-events/110040 "2025-08-21T15:32:30Z")
I’m trying to get to grips with ignition and I’m using maker edition in docker. I’m trying to get a gateway tag changed script to run and write to the diagnostic log. In Gateway scripts it says my scripts are running. … --- ## [Data refreshing problem in ignition 8.1 with freyrSCADA as DNP3 simulator](https://forum.inductiveautomation.com/t/data-refreshing-problem-in-ignition-8-1-with-freyrscada-as-dnp3-simulator/109988)
**Author:** [@Ahmed\_badawi1](https://forum.inductiveautomation.com/u/Ahmed_badawi1)\ **Replies:** 13\ **Last updated:** [August 21, 2025, 3:21pm UTC](https://forum.inductiveautomation.com/t/data-refreshing-problem-in-ignition-8-1-with-freyrscada-as-dnp3-simulator/109988 "2025-08-21T15:21:03Z")
i have my Freyr SCADA DNP3 simulator, I wanted to connect it with ignition as DNP3 outstation and connection is successful, but I have a problem, tags values are only sent at the beginning of the connection and then it’s… --- ## [Error During Retrieval of Clipboard Data Error Message](https://forum.inductiveautomation.com/t/error-during-retrieval-of-clipboard-data-error-message/82091)
**Author:** [@Brian\_Shin](https://forum.inductiveautomation.com/u/Brian_Shin)\ **Replies:** 15\ **Last updated:** [July 31, 2025, 3:12pm UTC](https://forum.inductiveautomation.com/t/error-during-retrieval-of-clipboard-data-error-message/82091 "2025-07-31T15:12:49Z")
I have no idea how this issue started. Whenever I am in the designer and click ANYWHERE. An error popup comes up saying Error during retrieval of clipboard data....the only quick fix is clicking a component and then copy… --- ## [Renaming Vision Template Parameters Removes Corresponding Template Instance Parameter Values](https://forum.inductiveautomation.com/t/renaming-vision-template-parameters-removes-corresponding-template-instance-parameter-values/109951)
**Author:** [@ks\_tractor](https://forum.inductiveautomation.com/u/ks_tractor)\ **Replies:** 27\ **Last updated:** [August 21, 2025, 1:52pm UTC](https://forum.inductiveautomation.com/t/renaming-vision-template-parameters-removes-corresponding-template-instance-parameter-values/109951 "2025-08-21T13:52:15Z")
I am trying to rename some template parameters on a Vision template that has many instances of it in my project. When I rename the parameter, however, all of the parameter values and bindings that were associated with th… --- ## [How to Read Session Custom Variables in a Tag Value Change Script?](https://forum.inductiveautomation.com/t/how-to-read-session-custom-variables-in-a-tag-value-change-script/110022)
**Author:** [@TechEnlive](https://forum.inductiveautomation.com/u/TechEnlive)\ **Replies:** 8\ **Last updated:** [August 21, 2025, 11:53am UTC](https://forum.inductiveautomation.com/t/how-to-read-session-custom-variables-in-a-tag-value-change-script/110022 "2025-08-21T11:53:03Z")
Hi everyone, I need to access session custom variable values within a Tag Value Changed script. Is there a way to retrieve all the session custom variables from this script context? Any suggestions or best practices wo… --- ## [Check if a path node is a tag](https://forum.inductiveautomation.com/t/check-if-a-path-node-is-a-tag/110030)
**Author:** [@mario.lopez](https://forum.inductiveautomation.com/u/mario.lopez)\ **Replies:** 2\ **Last updated:** [August 21, 2025, 11:41am UTC](https://forum.inductiveautomation.com/t/check-if-a-path-node-is-a-tag/110030 "2025-08-21T11:41:13Z")
Given a path of withing a tag provider, how to check using the python script if the node the path defines is a tag and not a folder or an UDT? Thanks! --- ## [Report module - PNG by email](https://forum.inductiveautomation.com/t/report-module-png-by-email/110020)
**Author:** [@flavien](https://forum.inductiveautomation.com/u/flavien)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 11:35am UTC](https://forum.inductiveautomation.com/t/report-module-png-by-email/110020 "2025-08-21T11:35:00Z")
Hi, Can I email a multi-page report, with each page as a separate PNG file? I’m in Ignition 8.1.42 Thanks --- ## [How to Connect and Download SFC Programs from Ignition to Siemens and Emerson PLCs?](https://forum.inductiveautomation.com/t/how-to-connect-and-download-sfc-programs-from-ignition-to-siemens-and-emerson-plcs/110019)
**Author:** [@dhgiang85](https://forum.inductiveautomation.com/u/dhgiang85)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 11:27am UTC](https://forum.inductiveautomation.com/t/how-to-connect-and-download-sfc-programs-from-ignition-to-siemens-and-emerson-plcs/110019 "2025-08-21T11:27:21Z")
I'm currently evaluating Ignition by Inductive Automation as our SCADA/MES platform and planning to implement Sequential Function Chart (SFC) workflows that integrate with our existing Siemens and Emerson PLC infrastruct… --- ## [FactoryTalk Linx Gateway not releasing OPC subscriptions after tag changes](https://forum.inductiveautomation.com/t/factorytalk-linx-gateway-not-releasing-opc-subscriptions-after-tag-changes/110014)
**Author:** [@Jose\_Lino](https://forum.inductiveautomation.com/u/Jose_Lino)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 11:26am UTC](https://forum.inductiveautomation.com/t/factorytalk-linx-gateway-not-releasing-opc-subscriptions-after-tag-changes/110014 "2025-08-21T11:26:37Z")
Hi everyone, I’m connected to a L83EP using FactoryTalk Linx Gateway as the OPC UA server for Ignition. The issue I’m seeing is that whenever I change a tag group rate, or switch tags from OPC to Memory in Ignition, th… --- ## [How to Create Active Directory to fetch Windows Authentication in Ignition](https://forum.inductiveautomation.com/t/how-to-create-active-directory-to-fetch-windows-authentication-in-ignition/110032)
**Author:** [@rpentewar](https://forum.inductiveautomation.com/u/rpentewar)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 10:41am UTC](https://forum.inductiveautomation.com/t/how-to-create-active-directory-to-fetch-windows-authentication-in-ignition/110032 "2025-08-21T10:41:14Z")
Hey, I am trying to Connect my Ignition using my Windows Authentication and also trying to connect the Port 389 but all i getting the error is Failed to Connect the LDAP Server so please suggest a better way to resolve … --- ## [Stale Tag Overlay](https://forum.inductiveautomation.com/t/stale-tag-overlay/39141)
**Author:** [@craigb](https://forum.inductiveautomation.com/u/craigb)\ **Replies:** 20\ **Last updated:** [August 21, 2025, 7:50am UTC](https://forum.inductiveautomation.com/t/stale-tag-overlay/39141 "2025-08-21T07:50:05Z")
I have tags displayed on a perspective page that come from MQTT. If a MQTT client disconnects the associated tags go stale and the label displaying the tag has a red error overlay, the last know value stays displayed. T… --- ## [ResultWriter - Error executing historical tag read](https://forum.inductiveautomation.com/t/resultwriter-error-executing-historical-tag-read/91297)
**Author:** [@Travis\_Graham](https://forum.inductiveautomation.com/u/Travis_Graham)\ **Replies:** 3\ **Last updated:** [August 21, 2025, 7:48am UTC](https://forum.inductiveautomation.com/t/resultwriter-error-executing-historical-tag-read/91297 "2025-08-21T07:48:40Z")
We see a fair amount of these "ResultWriter - Error executing historical tag read" errors in the logs for our back end (Tag gateway) and front end (Vision gateway) servers. I have not been able to track down the cause. … [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=146) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=148)