# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=55 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 56 --- ## [Popup rendering behavior](https://forum.inductiveautomation.com/t/popup-rendering-behavior/114838)
**Author:** [@Tom-L](https://forum.inductiveautomation.com/u/Tom-L)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 7:58pm UTC](https://forum.inductiveautomation.com/t/popup-rendering-behavior/114838 "2026-04-01T19:58:42Z")
I’m trying to overload a popup to show one of several multistate buttons. The visibile prop on each multistatebutton is initially set to false, and each has a binding with a simple expression that sets the visibility pro… --- ## [Powerchart - pulling history while not displayed](https://forum.inductiveautomation.com/t/powerchart-pulling-history-while-not-displayed/114809)
**Author:** [@tgarrison](https://forum.inductiveautomation.com/u/tgarrison)\ **Replies:** 2\ **Last updated:** [April 1, 2026, 6:07pm UTC](https://forum.inductiveautomation.com/t/powerchart-pulling-history-while-not-displayed/114809 "2026-04-01T18:07:24Z")
Not sure if this has always been the case, but was trying to figure out why I was getting higher than expected CPU usage.. View structure: root --\>Multistate Button --\>FlexContainer1 -----\>PowerChart -----\>Some oth… --- ## [Json to CSV special unit symbol conversion issue](https://forum.inductiveautomation.com/t/json-to-csv-special-unit-symbol-conversion-issue/114751)
**Author:** [@jatin.aggarwal](https://forum.inductiveautomation.com/u/jatin.aggarwal)\ **Replies:** 4\ **Last updated:** [April 1, 2026, 3:39pm UTC](https://forum.inductiveautomation.com/t/json-to-csv-special-unit-symbol-conversion-issue/114751 "2026-04-01T15:39:40Z")
I am executing a script which is converting table to json script and then further into csv. During this process the Json contains degree Celsius in \\xb0c format and upon csv download it comes as ° C. --- ## [Rockwell Tag Descriptions with Ignition HMI](https://forum.inductiveautomation.com/t/rockwell-tag-descriptions-with-ignition-hmi/114815)
**Author:** [@george1](https://forum.inductiveautomation.com/u/george1)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 2:14pm UTC](https://forum.inductiveautomation.com/t/rockwell-tag-descriptions-with-ignition-hmi/114815 "2026-04-01T14:14:33Z")
Is there a way to expose the .@ description from a tag in studio 5000 to an ignition HMI without adding a string to my UDT and copying my descriptions over? --- ## [Overwrote sorted() In Script Editor. How to Fix](https://forum.inductiveautomation.com/t/overwrote-sorted-in-script-editor-how-to-fix/114740)
**Author:** [@amarks](https://forum.inductiveautomation.com/u/amarks)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 1:10pm UTC](https://forum.inductiveautomation.com/t/overwrote-sorted-in-script-editor-how-to-fix/114740 "2026-04-01T13:10:46Z")
I was testing in the script editor and accidentally made a list called "sorted". I've since removed that part of the code but I can no longer call sorted(), I just get an error saying that list object is not callable. H… --- ## [Change perspective table checkbox image](https://forum.inductiveautomation.com/t/change-perspective-table-checkbox-image/114827)
**Author:** [@svatsal77](https://forum.inductiveautomation.com/u/svatsal77)\ **Replies:** 4\ **Last updated:** [April 1, 2026, 12:54pm UTC](https://forum.inductiveautomation.com/t/change-perspective-table-checkbox-image/114827 "2026-04-01T12:54:12Z")
Is it possible to have some different icons in checkbox ? Like for the Reject column I want a 'cross' when clicked The Datasource of table is like below : --- ## [Ignition and Siemens 840D (SL / PL / classic) communiation](https://forum.inductiveautomation.com/t/ignition-and-siemens-840d-sl-pl-classic-communiation/114829)
**Author:** [@nnaik](https://forum.inductiveautomation.com/u/nnaik)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 12:36pm UTC](https://forum.inductiveautomation.com/t/ignition-and-siemens-840d-sl-pl-classic-communiation/114829 "2026-04-01T12:36:13Z")
Hello Gentlemen, I have a question does Ignition support communication with Siemens 840D (SL / PL / classic). via Ignitions Native drivers. --- ## [WebBrowser crash in Vision](https://forum.inductiveautomation.com/t/webbrowser-crash-in-vision/114781)
**Author:** [@Raphael](https://forum.inductiveautomation.com/u/Raphael)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 7:44am UTC](https://forum.inductiveautomation.com/t/webbrowser-crash-in-vision/114781 "2026-04-01T07:44:00Z")
I have a simple Vision application that displays a live stream from an IP camera. At first, I tried using the IP Cam Viewer, but my camera doesn’t support MJPEG. So I ended up using MediaMTX to convert the RTSP stream i… --- ## [AWS lightsail vs EC2](https://forum.inductiveautomation.com/t/aws-lightsail-vs-ec2/114821)
**Author:** [@AngrySparky](https://forum.inductiveautomation.com/u/AngrySparky)\ **Replies:** 1\ **Last updated:** [April 1, 2026, 5:24am UTC](https://forum.inductiveautomation.com/t/aws-lightsail-vs-ec2/114821 "2026-04-01T05:24:34Z")
I realize the official recommendations are to host ignition in an EC2 instance. I also realize that EC2 is much more flexible with many more professional level features. It seems lightsail is geared toward basic requirem… --- ## [Serial Number checks](https://forum.inductiveautomation.com/t/serial-number-checks/114787)
**Author:** [@drewdin](https://forum.inductiveautomation.com/u/drewdin)\ **Replies:** 16\ **Last updated:** [March 31, 2026, 11:52pm UTC](https://forum.inductiveautomation.com/t/serial-number-checks/114787 "2026-03-31T23:52:20Z")
I have a system that goes through about 30 serial numbers per batch, at the current time the operator is scanning in the serial numbers into the system. To prevent duplicate serial numbers from being scanned, I want to t… --- ## [Vision Project Import - best practice](https://forum.inductiveautomation.com/t/vision-project-import-best-practice/114766)
**Author:** [@robertm](https://forum.inductiveautomation.com/u/robertm)\ **Replies:** 4\ **Last updated:** [March 31, 2026, 11:25pm UTC](https://forum.inductiveautomation.com/t/vision-project-import-best-practice/114766 "2026-03-31T23:25:04Z")
Vision 8.1.32 I believe the plant inadvertently exported some resources that overwrote like named windows/ templates across projects. I was able to restore some specific windows from an older backup I had while the pla… --- ## [Memory allocation for Ignition Designer](https://forum.inductiveautomation.com/t/memory-allocation-for-ignition-designer/114818)
**Author:** [@samiuzzil1998](https://forum.inductiveautomation.com/u/samiuzzil1998)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 10:25pm UTC](https://forum.inductiveautomation.com/t/memory-allocation-for-ignition-designer/114818 "2026-03-31T22:25:30Z")
Although I have chaned the memory allocation of the gateway from 2GB to 3GB but still it didn’t affect the memory of the designer. Is there any other settings to do so? --- ## [\[IGN-15832\]System.perspective.download fails to download larger file](https://forum.inductiveautomation.com/t/ign-15832-system-perspective-download-fails-to-download-larger-file/114795)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 3\ **Last updated:** [March 31, 2026, 8:21pm UTC](https://forum.inductiveautomation.com/t/ign-15832-system-perspective-download-fails-to-download-larger-file/114795 "2026-03-31T20:21:58Z")
I’ve got a script to generate an excel file from a Perspective Table data set, and when I have 158 rows, the download is ok. When I have 192 rows, I get the following error and I don’t get a download: 16:58:56.132 \[conn… --- ## [Floats from iQR Mitsubishi Controller](https://forum.inductiveautomation.com/t/floats-from-iqr-mitsubishi-controller/114805)
**Author:** [@toddhowden](https://forum.inductiveautomation.com/u/toddhowden)\ **Replies:** 2\ **Last updated:** [March 31, 2026, 6:54pm UTC](https://forum.inductiveautomation.com/t/floats-from-iqr-mitsubishi-controller/114805 "2026-03-31T18:54:52Z")
I am reading two consecutive registers in a iQR controller and they should read as a float. Instead I am getting a really large integer number, so it appears it may be just combining them and they may be in the incorrec… --- ## [Tag Change Scripts and initialChange After Frequent Gateway Reboots](https://forum.inductiveautomation.com/t/tag-change-scripts-and-initialchange-after-frequent-gateway-reboots/114775)
**Author:** [@Dmitrii\_Lysenkov](https://forum.inductiveautomation.com/u/Dmitrii_Lysenkov)\ **Replies:** 6\ **Last updated:** [March 31, 2026, 5:32pm UTC](https://forum.inductiveautomation.com/t/tag-change-scripts-and-initialchange-after-frequent-gateway-reboots/114775 "2026-03-31T17:32:59Z")
Hi all, I have a small issue related to initialChange. Using if not initialChange: works perfectly in normal operation. However, our IT department reboots the Ignition VM about every two weeks for Windows updates or ot… --- ## [Central Server alarm counts exclude remote alarms](https://forum.inductiveautomation.com/t/central-server-alarm-counts-exclude-remote-alarms/114790)
**Author:** [@David\_James](https://forum.inductiveautomation.com/u/David_James)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 4:28pm UTC](https://forum.inductiveautomation.com/t/central-server-alarm-counts-exclude-remote-alarms/114790 "2026-03-31T16:28:18Z")
Hi all, I have a top menu which includes an alarm icon with a super-imposed number of alarms on it. This references the System/Alarming folder alarm counts to decide both colour and count for the operators. The visuali… --- ## [SFC's - manual for version 8.3 language about wait or sleep in SFC 'transactions'?](https://forum.inductiveautomation.com/t/sfcs-manual-for-version-8-3-language-about-wait-or-sleep-in-sfc-transactions/114804)
**Author:** [@paul.nelson](https://forum.inductiveautomation.com/u/paul.nelson)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 4:25pm UTC](https://forum.inductiveautomation.com/t/sfcs-manual-for-version-8-3-language-about-wait-or-sleep-in-sfc-transactions/114804 "2026-03-31T16:25:14Z")
Is the language in the manual correct? It mentions ‘transactions’ but isn’t it supposed to mention ‘transitions’ ?? --- ## [How to edit y-axis for time series graph in Perspective](https://forum.inductiveautomation.com/t/how-to-edit-y-axis-for-time-series-graph-in-perspective/114704)
**Author:** [@Bruce3](https://forum.inductiveautomation.com/u/Bruce3)\ **Replies:** 4\ **Last updated:** [March 31, 2026, 4:12pm UTC](https://forum.inductiveautomation.com/t/how-to-edit-y-axis-for-time-series-graph-in-perspective/114704 "2026-03-31T16:12:49Z")
I have a time series graph and I cannot figure out how to edit the y-axis. I want to make the font bigger and black. How do I edit this? I have my data coming in through here: Which then is selected to come here … --- ## [Expresion tags are stuck and not updating](https://forum.inductiveautomation.com/t/expresion-tags-are-stuck-and-not-updating/114800)
**Author:** [@mandar\_ganoo](https://forum.inductiveautomation.com/u/mandar_ganoo)\ **Replies:** 4\ **Last updated:** [March 31, 2026, 4:09pm UTC](https://forum.inductiveautomation.com/t/expresion-tags-are-stuck-and-not-updating/114800 "2026-03-31T16:09:24Z")
Ignition version: 8.1.42 The Tag Group is configured with a 10-second scan rate and the mode is set to Direct. We created a UDT to scale the raw value and generate alarms. AiRaw is a memory tag that stores the raw v… --- ## [MERGE Example - Named Queries](https://forum.inductiveautomation.com/t/merge-example-named-queries/114784)
**Author:** [@ecujak](https://forum.inductiveautomation.com/u/ecujak)\ **Replies:** 3\ **Last updated:** [March 31, 2026, 3:45pm UTC](https://forum.inductiveautomation.com/t/merge-example-named-queries/114784 "2026-03-31T15:45:50Z")
SQL Server DB Would someone please give an example of a Named Query using a MERGE statement. Please show the syntax with multiple On comparisons and multiple columns being updated. How to use the Ignition Named Query… --- ## [Ignition & Rockwell PlantPAx v5.0](https://forum.inductiveautomation.com/t/ignition-rockwell-plantpax-v5-0/94206)
**Author:** [@Seth\_Kahle](https://forum.inductiveautomation.com/u/Seth_Kahle)\ **Replies:** 81\ **Last updated:** [March 31, 2026, 3:40pm UTC](https://forum.inductiveautomation.com/t/ignition-rockwell-plantpax-v5-0/94206 "2026-03-31T15:40:17Z")
With Rockwell now including PlantPAx instructions as part of the native instruction set in their L8xP series controllers, there is no longer any ability to modify the instruction itself to optimize communications or modi… --- ## [Tags History Partitioning](https://forum.inductiveautomation.com/t/tags-history-partitioning/114767)
**Author:** [@pgmo](https://forum.inductiveautomation.com/u/pgmo)\ **Replies:** 3\ **Last updated:** [March 31, 2026, 3:11pm UTC](https://forum.inductiveautomation.com/t/tags-history-partitioning/114767 "2026-03-31T15:11:08Z")
Back in 2018 I deployed a project by one of my customers where I did not partition the tags history. Now after 8 years, the database has grown very huge and my customer is asking me to cut the first 4 years of samples. I… --- ## [Who's using Cloud or Docker in production environments?](https://forum.inductiveautomation.com/t/whos-using-cloud-or-docker-in-production-environments/114731)
**Author:** [@drewdin](https://forum.inductiveautomation.com/u/drewdin)\ **Replies:** 14\ **Last updated:** [March 31, 2026, 2:30pm UTC](https://forum.inductiveautomation.com/t/whos-using-cloud-or-docker-in-production-environments/114731 "2026-03-31T14:30:18Z")
I’m old school and think everything should be on-prem (VM, not physical) when it comes to HMI & SCADA, I see the trends of everything moving to cloud and docker based deployments. I’m trying to get a feel from anyone wh… --- ## [Ignition view template + popup](https://forum.inductiveautomation.com/t/ignition-view-template-popup/114796)
**Author:** [@lovro.sibenik](https://forum.inductiveautomation.com/u/lovro.sibenik)\ **Replies:** 4\ **Last updated:** [March 31, 2026, 12:27pm UTC](https://forum.inductiveautomation.com/t/ignition-view-template-popup/114796 "2026-03-31T12:27:09Z")
I’m working on an Ignition Perspective project and I’m trying to build a clean, reusable architecture for device popups. I already have a generic popup template view that works correctly: it receives device data via para… --- ## [Modbus write bit to holding register](https://forum.inductiveautomation.com/t/modbus-write-bit-to-holding-register/3359)
**Author:** [@jay](https://forum.inductiveautomation.com/u/jay)\ **Replies:** 6\ **Last updated:** [March 31, 2026, 11:54am UTC](https://forum.inductiveautomation.com/t/modbus-write-bit-to-holding-register/3359 "2026-03-31T11:54:40Z")
The correct way to set or clear a bit in a holding register is to use Modbus function code 22 (16 hex). Ignition's Modbus V2 OPC-UA driver supports that. The problem is that very few Modbus slaves support this function… --- ## [Ignition Designer cannot connect to Gateway (ERR\_CONNECTION\_REFUSED on 192.168.3.93:8088)](https://forum.inductiveautomation.com/t/ignition-designer-cannot-connect-to-gateway-err-connection-refused-on-192-168-3-93-8088/114746)
**Author:** [@Iggor78](https://forum.inductiveautomation.com/u/Iggor78)\ **Replies:** 6\ **Last updated:** [March 31, 2026, 9:33am UTC](https://forum.inductiveautomation.com/t/ignition-designer-cannot-connect-to-gateway-err-connection-refused-on-192-168-3-93-8088/114746 "2026-03-31T09:33:31Z")
I am trying to open Ignition Designer but it cannot connect to the Gateway. Gateway address: http://192.168.3.93:8088 Issue: Browser shows ERR\_CONNECTION\_REFUSED Designer Launcher shows "Contacting Gateway" then… --- ## [Ifm io link master AL1324 to Perspective](https://forum.inductiveautomation.com/t/ifm-io-link-master-al1324-to-perspective/93453)
**Author:** [@Joachim\_Govender](https://forum.inductiveautomation.com/u/Joachim_Govender)\ **Replies:** 9\ **Last updated:** [March 31, 2026, 8:48am UTC](https://forum.inductiveautomation.com/t/ifm-io-link-master-al1324-to-perspective/93453 "2026-03-31T08:48:52Z")
Hello Has anyone successfully executed the above mentioned connection. I am stuck on where do i add the actual device. I have downloaded and imported the UDTs and relevant project data. --- ## [Set default schema in PostgreSQL for Tag History tables to something other than public](https://forum.inductiveautomation.com/t/set-default-schema-in-postgresql-for-tag-history-tables-to-something-other-than-public/110181)
**Author:** [@jeff.sagerer](https://forum.inductiveautomation.com/u/jeff.sagerer)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 8:48am UTC](https://forum.inductiveautomation.com/t/set-default-schema-in-postgresql-for-tag-history-tables-to-something-other-than-public/110181 "2026-03-31T08:48:02Z")
How do I tell a tag history provider for a database connection which schema to use for creating the tag history tables and storing the tag history data? Example database config for “pg\_ignition\_dev” Connect URL: jdbc:… --- ## [\[IGN-15809\] java.util.concurrent.TimeoutException running system.tag.query on remote tag provider when returning \`alarms\` prop](https://forum.inductiveautomation.com/t/ign-15809-java-util-concurrent-timeoutexception-running-system-tag-query-on-remote-tag-provider-when-returning-alarms-prop/114789)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 1\ **Last updated:** [March 31, 2026, 7:10am UTC](https://forum.inductiveautomation.com/t/ign-15809-java-util-concurrent-timeoutexception-running-system-tag-query-on-remote-tag-provider-when-returning-alarms-prop/114789 "2026-03-31T07:10:57Z")
v8.3.3 I’m trying to run system.tag.queryto report on tag alarms, but i’m getting this exception below Java Traceback: Traceback (most recent call last): File "\", line 176, in \ at jdk.proxy2/jdk.proxy… --- ## [How to Connect Ignition Kafka Connector to Kerberos-Secured Kafka (SASL/GSSAPI)?](https://forum.inductiveautomation.com/t/how-to-connect-ignition-kafka-connector-to-kerberos-secured-kafka-sasl-gssapi/114794)
**Author:** [@alac3](https://forum.inductiveautomation.com/u/alac3)\ **Replies:** 0\ **Last updated:** [March 31, 2026, 5:24am UTC](https://forum.inductiveautomation.com/t/how-to-connect-ignition-kafka-connector-to-kerberos-secured-kafka-sasl-gssapi/114794 "2026-03-31T05:24:40Z")
Hello everyone, I’m trying to connect Ignition (8.3.x) to a Kerberos-secured Kafka cluster using SASL/GSSAPI. I have: keytab file krb5.ini correct principal MIT Kerberos installed bootstrap servers reach… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=54) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=56)