# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=933 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 934 --- ## [Expression Tag defaulting to fallback](https://forum.inductiveautomation.com/t/expression-tag-defaulting-to-fallback/52959)
**Author:** [@IA\_old\_forum](https://forum.inductiveautomation.com/u/IA_old_forum)\ **Replies:** 2\ **Last updated:** [November 11, 2021, 12:00pm UTC](https://forum.inductiveautomation.com/t/expression-tag-defaulting-to-fallback/52959 "2021-11-11T12:00:55Z")
Hello everyone, I made an expression tag that checks the values from an OPC array tag. Depending on which element of the array is active (bool values), the expression tag will return a defined string with the output/err… --- ## [Why windows and template can not be opened in designer ? can anyone please help](https://forum.inductiveautomation.com/t/why-windows-and-template-can-not-be-opened-in-designer-can-anyone-please-help/52958)
**Author:** [@Atanu\_Sanyal](https://forum.inductiveautomation.com/u/Atanu_Sanyal)\ **Replies:** 2\ **Last updated:** [November 11, 2021, 11:55am UTC](https://forum.inductiveautomation.com/t/why-windows-and-template-can-not-be-opened-in-designer-can-anyone-please-help/52958 "2021-11-11T11:55:05Z")
--- ## [Retrive tag definition from files on disk](https://forum.inductiveautomation.com/t/retrive-tag-definition-from-files-on-disk/52954)
**Author:** [@mattia.pavoni](https://forum.inductiveautomation.com/u/mattia.pavoni)\ **Replies:** 3\ **Last updated:** [November 11, 2021, 11:53am UTC](https://forum.inductiveautomation.com/t/retrive-tag-definition-from-files-on-disk/52954 "2021-11-11T11:53:29Z")
Hi to everyone, i have a big problem with one installation of ignition (v 8.0.1). After i copy and past a folder containing 6 tags in the designer the gateway stopped. I tried to restart the services and the server, but … --- ## [Auto "Scroll" to selected row in a Table Component](https://forum.inductiveautomation.com/t/auto-scroll-to-selected-row-in-a-table-component/27011)
**Author:** [@MikeAllgood](https://forum.inductiveautomation.com/u/MikeAllgood)\ **Replies:** 15\ **Last updated:** [November 11, 2021, 11:34am UTC](https://forum.inductiveautomation.com/t/auto-scroll-to-selected-row-in-a-table-component/27011 "2021-11-11T11:34:28Z")
I have a table that lists around 100 tanks and select data for each. On the screen I have a “Tank Search” box that can use either the tank id or a lot id. The functionality works to find and select the row for the foun… --- ## [Returning a datetime string in a case statement](https://forum.inductiveautomation.com/t/returning-a-datetime-string-in-a-case-statement/52835)
**Author:** [@mjohnson0238](https://forum.inductiveautomation.com/u/mjohnson0238)\ **Replies:** 5\ **Last updated:** [November 10, 2021, 9:38pm UTC](https://forum.inductiveautomation.com/t/returning-a-datetime-string-in-a-case-statement/52835 "2021-11-10T21:38:27Z")
Good day all, I am trying to return a string value using a this case statement: ,(CASE WHEN TSFO\_DeliveredTime = '1900-01-01 00:00:00' THEN 'Not Delivered' ELSE TSFO\_DeliveredTime END) AS Delivered the ELSE part, i wa… --- ## [\[BUG 4576\] Can't delete Back tick or left quote in text field](https://forum.inductiveautomation.com/t/bug-4576-cant-delete-back-tick-or-left-quote-in-text-field/51405)
**Author:** [@drojas](https://forum.inductiveautomation.com/u/drojas)\ **Replies:** 5\ **Last updated:** [November 10, 2021, 8:19pm UTC](https://forum.inductiveautomation.com/t/bug-4576-cant-delete-back-tick-or-left-quote-in-text-field/51405 "2021-11-10T20:19:03Z")
In Perspective, if you type a back quote (back tick or left quote…the symbol under the “tilde”) in a text field by accident at runtime, you can’t delete it. Tested on Ignition 8.1.9. --- ## [Perspective Table Cell Binding to Tag](https://forum.inductiveautomation.com/t/perspective-table-cell-binding-to-tag/35609)
**Author:** [@nickbartsch](https://forum.inductiveautomation.com/u/nickbartsch)\ **Replies:** 5\ **Last updated:** [November 10, 2021, 6:01pm UTC](https://forum.inductiveautomation.com/t/perspective-table-cell-binding-to-tag/35609 "2021-11-10T18:01:28Z")
Hello, Within perspective I am trying to bind the value of a specific cell in a table to a tag. In Vision, you were able to use a Cell Update Binding in a Power Table. Is there a similar feature in Perspective to do thi… --- ## [MongoDb historian connector for ignition 8.1](https://forum.inductiveautomation.com/t/mongodb-historian-connector-for-ignition-8-1/52929)
**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Replies:** 0\ **Last updated:** [November 10, 2021, 5:50pm UTC](https://forum.inductiveautomation.com/t/mongodb-historian-connector-for-ignition-8-1/52929 "2021-11-10T17:50:12Z")
Hello Is there any unofficial module that acts as MongoDB historian connector for Ignition 8.1? There are some old module for v7 but not 8.1 --- ## [Partial Redundancy](https://forum.inductiveautomation.com/t/partial-redundancy/52899)
**Author:** [@matthew.byars](https://forum.inductiveautomation.com/u/matthew.byars)\ **Replies:** 8\ **Last updated:** [November 10, 2021, 4:51pm UTC](https://forum.inductiveautomation.com/t/partial-redundancy/52899 "2021-11-10T16:51:53Z")
I am currently working on a system that we are planning on using Vision, Perspective, the Sepasoft OEE module, and a few other modules. One of the desired features is to have a backup/redundant server located on the plan… --- ## [TabStrip not always changing main screen when clicked](https://forum.inductiveautomation.com/t/tabstrip-not-always-changing-main-screen-when-clicked/41021)
**Author:** [@mark.sluser](https://forum.inductiveautomation.com/u/mark.sluser)\ **Replies:** 12\ **Last updated:** [November 10, 2021, 4:44pm UTC](https://forum.inductiveautomation.com/t/tabstrip-not-always-changing-main-screen-when-clicked/41021 "2021-11-10T16:44:31Z")
Our system has a TabStrip component in a left window that updates the main display when an tabitem is clicked. However, intermittently after pressing a tabitem, the tab item will not update the display even though it sho… --- ## [\[Bug 1162\] PowerChart Auto Range don't include zero](https://forum.inductiveautomation.com/t/bug-1162-powerchart-auto-range-dont-include-zero/41635)
**Author:** [@DavidWisely](https://forum.inductiveautomation.com/u/DavidWisely)\ **Replies:** 5\ **Last updated:** [November 10, 2021, 4:41pm UTC](https://forum.inductiveautomation.com/t/bug-1162-powerchart-auto-range-dont-include-zero/41635 "2021-11-10T16:41:09Z")
The auto range on the Perspective Power chart includes zero. Is there any way to get it to autorange without including zero? For example, when I want to display data that ranges between 90100 and 90200, it’s pretty hard… --- ## [How to trigger configureCell in power table and is it possible to know who triggered it?](https://forum.inductiveautomation.com/t/how-to-trigger-configurecell-in-power-table-and-is-it-possible-to-know-who-triggered-it/52525)
**Author:** [@kaushik.shah](https://forum.inductiveautomation.com/u/kaushik.shah)\ **Replies:** 4\ **Last updated:** [November 10, 2021, 4:25pm UTC](https://forum.inductiveautomation.com/t/how-to-trigger-configurecell-in-power-table-and-is-it-possible-to-know-who-triggered-it/52525 "2021-11-10T16:25:48Z")
Hello There, I’m trying to figure out a smarter way of doing something. I have a table which shows history status (Ok, Not Ok) of the batches through the different part of the process and they are color coded. Now, I a… --- ## [Realtime addition/deletion of components](https://forum.inductiveautomation.com/t/realtime-addition-deletion-of-components/52911)
**Author:** [@anjali\_r\_sharma](https://forum.inductiveautomation.com/u/anjali_r_sharma)\ **Replies:** 5\ **Last updated:** [November 10, 2021, 2:10pm UTC](https://forum.inductiveautomation.com/t/realtime-addition-deletion-of-components/52911 "2021-11-10T14:10:00Z")
Is there a way to add/ delete components in real time through the designed user interface? --- ## [Docker Modbus TCP](https://forum.inductiveautomation.com/t/docker-modbus-tcp/52915)
**Author:** [@helge.rosvik](https://forum.inductiveautomation.com/u/helge.rosvik)\ **Replies:** 1\ **Last updated:** [November 10, 2021, 2:05pm UTC](https://forum.inductiveautomation.com/t/docker-modbus-tcp/52915 "2021-11-10T14:05:13Z")
To communicate with Modbus TCP devices, is it necessary to expose port 502 to docker container? --- ## [Detecting Tag Inactivity](https://forum.inductiveautomation.com/t/detecting-tag-inactivity/52919)
**Author:** [@rrebro](https://forum.inductiveautomation.com/u/rrebro)\ **Replies:** 1\ **Last updated:** [November 10, 2021, 1:43pm UTC](https://forum.inductiveautomation.com/t/detecting-tag-inactivity/52919 "2021-11-10T13:43:41Z")
What is the best way to detect a Tag hasn’t changed for X amount of time. Basically if a machine hasn’t changed state in the last 10 minutes, we want to popup a window for the operator to give a reason nothing has happen… --- ## [Alarming Loss of Comms to Devices](https://forum.inductiveautomation.com/t/alarming-loss-of-comms-to-devices/52858)
**Author:** [@craig.spring](https://forum.inductiveautomation.com/u/craig.spring)\ **Replies:** 9\ **Last updated:** [November 10, 2021, 12:19pm UTC](https://forum.inductiveautomation.com/t/alarming-loss-of-comms-to-devices/52858 "2021-11-10T12:19:36Z")
This seems like a straight forward thing to want to do, but I can’t seem to find anything to tell me the best way to do it. Firstly, I’m using version 8.1.11 of Ignition. I have several devices connected using differen… --- ## [Any plans to support adding tags to individual UDT instances?](https://forum.inductiveautomation.com/t/any-plans-to-support-adding-tags-to-individual-udt-instances/52901)
**Author:** [@travis.broussard](https://forum.inductiveautomation.com/u/travis.broussard)\ **Replies:** 3\ **Last updated:** [November 10, 2021, 12:35am UTC](https://forum.inductiveautomation.com/t/any-plans-to-support-adding-tags-to-individual-udt-instances/52901 "2021-11-10T00:35:26Z")
Are there any plans to support adding tags to individual “already created” UDT instances? This isn’t my exact use case, but say I wanted to have a UDT for a flow meter with gas analysis values. Some meters may have ~15… --- ## [Upgrade from 8.0.16 to 8.1.10 in a git managed system - now having issues](https://forum.inductiveautomation.com/t/upgrade-from-8-0-16-to-8-1-10-in-a-git-managed-system-now-having-issues/52748)
**Author:** [@MikeAllgood](https://forum.inductiveautomation.com/u/MikeAllgood)\ **Replies:** 15\ **Last updated:** [November 9, 2021, 10:38pm UTC](https://forum.inductiveautomation.com/t/upgrade-from-8-0-16-to-8-1-10-in-a-git-managed-system-now-having-issues/52748 "2021-11-09T22:38:46Z")
We recently upgraded our product version from 8.0.16 to 8.1.10. We use git and GitHub as a version control solution. Ever since the upgrade I’ve noticed issues when pulling branches to my dev system or to the servers w… --- ## [Cannot see some PLC tags on Tag 'Browse Devices', AND error when adding as OPC tag via import](https://forum.inductiveautomation.com/t/cannot-see-some-plc-tags-on-tag-browse-devices-and-error-when-adding-as-opc-tag-via-import/52898)
**Author:** [@jeff.ryan](https://forum.inductiveautomation.com/u/jeff.ryan)\ **Replies:** 4\ **Last updated:** [November 9, 2021, 8:16pm UTC](https://forum.inductiveautomation.com/t/cannot-see-some-plc-tags-on-tag-browse-devices-and-error-when-adding-as-opc-tag-via-import/52898 "2021-11-09T20:16:28Z")
Hello, I’m working with PLC tags, physically connected to the PLC, and I’m not seeing some of them when trying to add to the project (gateway) via ‘Browse Devices’. So, I try to add them ‘manually’ instead, via a JSON … --- ## [Perspective missing in project browser in linux](https://forum.inductiveautomation.com/t/perspective-missing-in-project-browser-in-linux/52814)
**Author:** [@aykchoe](https://forum.inductiveautomation.com/u/aykchoe)\ **Replies:** 4\ **Last updated:** [November 9, 2021, 7:44pm UTC](https://forum.inductiveautomation.com/t/perspective-missing-in-project-browser-in-linux/52814 "2021-11-09T19:44:19Z")
I have ignition 8.1.11 installed in lxd container w/ ubuntu 18.04. I am able to open the designer, but I don’t see the Perspective section in the project browser. The output console shows the below: 08:45:36.984 \[Design… --- ## [How to pass parameters using system.perspective.navagate](https://forum.inductiveautomation.com/t/how-to-pass-parameters-using-system-perspective-navagate/52852)
**Author:** [@israel.jordan](https://forum.inductiveautomation.com/u/israel.jordan)\ **Replies:** 8\ **Last updated:** [November 9, 2021, 7:43pm UTC](https://forum.inductiveautomation.com/t/how-to-pass-parameters-using-system-perspective-navagate/52852 "2021-11-09T19:43:07Z")
Hello All, I am trying to edit the data on Table Component. I came across a great video that give a basic example of how to do so but I am having a bit of a problem passing the parameter to the new view. In my example, … --- ## [Load Simulator Progam from .csv file programmatically](https://forum.inductiveautomation.com/t/load-simulator-progam-from-csv-file-programmatically/52895)
**Author:** [@chandler](https://forum.inductiveautomation.com/u/chandler)\ **Replies:** 0\ **Last updated:** [November 9, 2021, 7:22pm UTC](https://forum.inductiveautomation.com/t/load-simulator-progam-from-csv-file-programmatically/52895 "2021-11-09T19:22:52Z")
I am trying to create a new simulated device, then import the program for the simulation using a .csv file. I am currently doing this manually form the gateway webpage, but I would like to be able to do this in a script… --- ## [Error on system.util.sendRequest. No response ever received](https://forum.inductiveautomation.com/t/error-on-system-util-sendrequest-no-response-ever-received/51826)
**Author:** [@jeffrey.minton](https://forum.inductiveautomation.com/u/jeffrey.minton)\ **Replies:** 10\ **Last updated:** [November 9, 2021, 7:22pm UTC](https://forum.inductiveautomation.com/t/error-on-system-util-sendrequest-no-response-ever-received/51826 "2021-11-09T19:22:57Z")
I am getting an error when trying to make a system.util.sendRequest call to a message handler on my gateway. the sendRequest call is in a custom method called refreshData defined on a power table. The relevant parts of … --- ## [Timer script not working](https://forum.inductiveautomation.com/t/timer-script-not-working/52893)
**Author:** [@andrews](https://forum.inductiveautomation.com/u/andrews)\ **Replies:** 5\ **Last updated:** [November 9, 2021, 7:16pm UTC](https://forum.inductiveautomation.com/t/timer-script-not-working/52893 "2021-11-09T19:16:10Z")
Hello everyone, had this working and don’t know what I did. I am probably over thinking it. I have a script to auto logout users. logout@1,000ms. script located in timer script section. timer is located on nav and has t… --- ## [Paintable canvas not translating negative values](https://forum.inductiveautomation.com/t/paintable-canvas-not-translating-negative-values/52888)
**Author:** [@markusx1094](https://forum.inductiveautomation.com/u/markusx1094)\ **Replies:** 4\ **Last updated:** [November 9, 2021, 7:06pm UTC](https://forum.inductiveautomation.com/t/paintable-canvas-not-translating-negative-values/52888 "2021-11-09T19:06:14Z")
So my conveyor belt canvas works good when I give it a positive angle but whenever I give it a negative angle to run by it won’t translate left to accommodate for the shift in positioning so it just gets cut off. I’m … --- ## [\[Bug-5138\] Perspective - Scripting - Open Popup - Position - Height](https://forum.inductiveautomation.com/t/bug-5138-perspective-scripting-open-popup-position-height/52890)
**Author:** [@luc.martin](https://forum.inductiveautomation.com/u/luc.martin)\ **Replies:** 1\ **Last updated:** [November 9, 2021, 6:30pm UTC](https://forum.inductiveautomation.com/t/bug-5138-perspective-scripting-open-popup-position-height/52890 "2021-11-09T18:30:41Z")
8.1.11 I got issue whem I use system.perspective.openPopup and set position={“height”:“auto”}, the popup can be more higher than the view port and the viewportBound is not respected. --- ## [Adding column to table with query bound dataset](https://forum.inductiveautomation.com/t/adding-column-to-table-with-query-bound-dataset/52849)
**Author:** [@zacharyw.larson](https://forum.inductiveautomation.com/u/zacharyw.larson)\ **Replies:** 6\ **Last updated:** [November 9, 2021, 5:37pm UTC](https://forum.inductiveautomation.com/t/adding-column-to-table-with-query-bound-dataset/52849 "2021-11-09T17:37:24Z")
Is there a way to add another column to a table with a dataset from a transaction group? I want to match the code from the first column to text that I would put in the added column. The text associated with the code nu… --- ## [Does excuteReport invoke Report "Run Script" Action?](https://forum.inductiveautomation.com/t/does-excutereport-invoke-report-run-script-action/52880)
**Author:** [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\ **Replies:** 3\ **Last updated:** [November 9, 2021, 5:34pm UTC](https://forum.inductiveautomation.com/t/does-excutereport-invoke-report-run-script-action/52880 "2021-11-09T17:34:46Z")
I have a report with a run script action setup that I want to invoke using system.report.executeReport(). I don’t need to distribute the report, just force run the script the report contains. When I execute the report,… --- ## [Embedded .wav files](https://forum.inductiveautomation.com/t/embedded-wav-files/52874)
**Author:** [@DJ\_Woodfield](https://forum.inductiveautomation.com/u/DJ_Woodfield)\ **Replies:** 3\ **Last updated:** [November 9, 2021, 4:24pm UTC](https://forum.inductiveautomation.com/t/embedded-wav-files/52874 "2021-11-09T16:24:11Z")
Is there a way to extract or view an embedded .wav file in a window? --- ## [Loses tags after restore Backup](https://forum.inductiveautomation.com/t/loses-tags-after-restore-backup/52769)
**Author:** [@Corentin.appart](https://forum.inductiveautomation.com/u/Corentin.appart)\ **Replies:** 2\ **Last updated:** [November 9, 2021, 3:43pm UTC](https://forum.inductiveautomation.com/t/loses-tags-after-restore-backup/52769 "2021-11-09T15:43:34Z")
Hello all, after restored a backup, some tags disappears and i don’t know why but i saw this logs on status view of the gateway. the thing that is strange is that my tag is an UDT instance, the UDT instance is parti… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=932) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=934)