# Latest **URL:** https://forum.inductiveautomation.com/latest.md?page=1242 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1243 --- ## [Recommended Max number of vision / perspective clients per gateway](https://forum.inductiveautomation.com/t/recommended-max-number-of-vision-perspective-clients-per-gateway/42118)
**Author:** [@mohamad.tayara](https://forum.inductiveautomation.com/u/mohamad.tayara)\ **Replies:** 1\ **Last updated:** [January 11, 2021, 9:11pm UTC](https://forum.inductiveautomation.com/t/recommended-max-number-of-vision-perspective-clients-per-gateway/42118 "2021-01-11T21:11:05Z")
Hi, are there any recommendations/ guidelines for the maximum number of Vision/perspective clients per gateway. I know that theoretically the number of clients is “unlimited” and is dependent on the hardware resources of… --- ## [Source control - managing Dev vs Production](https://forum.inductiveautomation.com/t/source-control-managing-dev-vs-production/42111)
**Author:** [@craigl](https://forum.inductiveautomation.com/u/craigl)\ **Replies:** 4\ **Last updated:** [January 11, 2021, 6:23pm UTC](https://forum.inductiveautomation.com/t/source-control-managing-dev-vs-production/42111 "2021-01-11T18:23:47Z")
I have our projects in Git and I’m trying to follow ‘best practices’ but there are a few things I’m tripped up on. How do people handle things that are, by necessity, different in Dev vs. Production? We have some timer… --- ## [\[Bug-1535\]Label color and arrow color for dropdown in perspective](https://forum.inductiveautomation.com/t/bug-1535-label-color-and-arrow-color-for-dropdown-in-perspective/42113)
**Author:** [@gpellicelli](https://forum.inductiveautomation.com/u/gpellicelli)\ **Replies:** 2\ **Last updated:** [January 11, 2021, 6:05pm UTC](https://forum.inductiveautomation.com/t/bug-1535-label-color-and-arrow-color-for-dropdown-in-perspective/42113 "2021-01-11T18:05:00Z")
Hi, Am new with perspective and I got an issue with the dropdown in perspective… I can’t change the font color of the label. In style I have chose my classes:Header where my color is white but they are grey… same for th… --- ## [Report Best Approach](https://forum.inductiveautomation.com/t/report-best-approach/42119)
**Author:** [@vasilevdim](https://forum.inductiveautomation.com/u/vasilevdim)\ **Replies:** 0\ **Last updated:** [January 11, 2021, 5:12pm UTC](https://forum.inductiveautomation.com/t/report-best-approach/42119 "2021-01-11T17:12:03Z")
Hi, I am a bit confused with report preparation, and need some help. My report must have information for 8 machines: 4 columns: Machine Nr., Batch, Output (SQL query) and Working Minutes (SQL query). I have to use Tabl… --- ## [Should I Update Ignition to "Current Version"](https://forum.inductiveautomation.com/t/should-i-update-ignition-to-current-version/42110)
**Author:** [@dcamp1](https://forum.inductiveautomation.com/u/dcamp1)\ **Replies:** 5\ **Last updated:** [January 11, 2021, 4:42pm UTC](https://forum.inductiveautomation.com/t/should-i-update-ignition-to-current-version/42110 "2021-01-11T16:42:48Z")
I’m using Ignition Version 7.9.10 and I finally have everything working just as I want and I have NO issues with anything (as of now!). I probably won’t add/need anymore “Features” than what I’m using now, the only thin… --- ## [Perspective - len expression doesn't work with an array args?](https://forum.inductiveautomation.com/t/perspective-len-expression-doesnt-work-with-an-array-args/42108)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 3\ **Last updated:** [January 11, 2021, 4:34pm UTC](https://forum.inductiveautomation.com/t/perspective-len-expression-doesnt-work-with-an-array-args/42108 "2021-01-11T16:34:30Z")
Ignition 8.1.1 len expression doesn’t work with an array args ??? How to obtain the length of the array ? --- ## [Change Ignition version?](https://forum.inductiveautomation.com/t/change-ignition-version/42105)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 1\ **Last updated:** [January 11, 2021, 4:33pm UTC](https://forum.inductiveautomation.com/t/change-ignition-version/42105 "2021-01-11T16:33:41Z")
When you first install Ignition, the webpage asks you to select which version to use (Maker/Standard/Edge). Is there any way to change this after the fact, other than reinstalling? --- ## [Use Script to Show a Date in a Label in Vision](https://forum.inductiveautomation.com/t/use-script-to-show-a-date-in-a-label-in-vision/42114)
**Author:** [@Bill\_S](https://forum.inductiveautomation.com/u/Bill_S)\ **Replies:** 3\ **Last updated:** [January 11, 2021, 4:18pm UTC](https://forum.inductiveautomation.com/t/use-script-to-show-a-date-in-a-label-in-vision/42114 "2021-01-11T16:18:05Z")
I have a table and allow the user to select rows. When the selected row changes I run a script to pull out and echo back to the user some values that will be changed. I have no problem with text and integers, but the d… --- ## [Power chart need all information in one location not 2 places having to scroll](https://forum.inductiveautomation.com/t/power-chart-need-all-information-in-one-location-not-2-places-having-to-scroll/42116)
**Author:** [@brant.blanchard](https://forum.inductiveautomation.com/u/brant.blanchard)\ **Replies:** 0\ **Last updated:** [January 11, 2021, 3:34pm UTC](https://forum.inductiveautomation.com/t/power-chart-need-all-information-in-one-location-not-2-places-having-to-scroll/42116 "2021-01-11T15:34:38Z")
need to be able to see all of the information in one visible locating. do not want to have to look in 3 places and scroll on the pen names to find what i am looking for. I need be able to see the xtrace data (value) alo… --- ## [Vision Client Launcher Application Shortcuts Becoming Invalid](https://forum.inductiveautomation.com/t/vision-client-launcher-application-shortcuts-becoming-invalid/37821)
**Author:** [@rstevenson](https://forum.inductiveautomation.com/u/rstevenson)\ **Replies:** 2\ **Last updated:** [January 11, 2021, 1:41pm UTC](https://forum.inductiveautomation.com/t/vision-client-launcher-application-shortcuts-becoming-invalid/37821 "2021-01-11T13:41:18Z")
Has anyone else run into an issue with creating an application shortcut using the Vision Client Launcher, and the shortcut becoming invalid after a day or two? If so how do you correct this? I have had multiple users cr… --- ## [V8.1.2 Perspective View Template Navigation Menu Highlight](https://forum.inductiveautomation.com/t/v8-1-2-perspective-view-template-navigation-menu-highlight/41896)
**Author:** [@CIM](https://forum.inductiveautomation.com/u/CIM)\ **Replies:** 10\ **Last updated:** [January 11, 2021, 1:16pm UTC](https://forum.inductiveautomation.com/t/v8-1-2-perspective-view-template-navigation-menu-highlight/41896 "2021-01-11T13:16:30Z")
The template from Ignition will bald the text of the menu bar of the opened window, however when I duplicate the menu bar to create more screens, and the text will not change to bald. Anyone knows the trick and help me t… --- ## [\[BUG or not..\] 8.1.0 Adding parameters to parent UDTs doesn't not add them into UDTs based on them](https://forum.inductiveautomation.com/t/bug-or-not-8-1-0-adding-parameters-to-parent-udts-doesnt-not-add-them-into-udts-based-on-them/42107)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 0\ **Last updated:** [January 11, 2021, 7:27am UTC](https://forum.inductiveautomation.com/t/bug-or-not-8-1-0-adding-parameters-to-parent-udts-doesnt-not-add-them-into-udts-based-on-them/42107 "2021-01-11T07:27:27Z")
When you have a UDT that is based on another UDT (uses a UDT as its parent), and you add UDT parameters into the parent UDT, they’re not added into the child UDT. Edit: maybe I jumped the gun… they just showed up now … --- ## [Gateway Connection Lost on Local Host](https://forum.inductiveautomation.com/t/gateway-connection-lost-on-local-host/42101)
**Author:** [@abishur](https://forum.inductiveautomation.com/u/abishur)\ **Replies:** 3\ **Last updated:** [January 11, 2021, 4:21am UTC](https://forum.inductiveautomation.com/t/gateway-connection-lost-on-local-host/42101 "2021-01-11T04:21:56Z")
I’m using Ignition Edge 8.0.15 running on Linux x64 using Java 11.0.6+10-LTS, it has over 100 GB of disc space unused and 4 GB of Ram. I have a client remotely connecting to the edge client (remotely meaning different c… --- ## [Predictive Maintanance](https://forum.inductiveautomation.com/t/predictive-maintanance/42100)
**Author:** [@Yfactor](https://forum.inductiveautomation.com/u/Yfactor)\ **Replies:** 0\ **Last updated:** [January 10, 2021, 8:16pm UTC](https://forum.inductiveautomation.com/t/predictive-maintanance/42100 "2021-01-10T20:16:54Z")
Does anyone uses any analytic tools (e.g. seeq) in conjunction with Ignition? Any examples of how you do your predictive maintenance on your equipment? Cheers --- ## [Binding a Template property inside of another Template property](https://forum.inductiveautomation.com/t/binding-a-template-property-inside-of-another-template-property/42078)
**Author:** [@philippe.tremblay](https://forum.inductiveautomation.com/u/philippe.tremblay)\ **Replies:** 3\ **Last updated:** [January 10, 2021, 5:55pm UTC](https://forum.inductiveautomation.com/t/binding-a-template-property-inside-of-another-template-property/42078 "2021-01-10T17:55:41Z")
Hello, I’m currently working of developing simple templates in order to quickly show recipe parameters from different PLCs on the same windows. Those recipe parameter are not repetitive, so using a UDT is not an option… --- ## [Calling .js files inside Ignition](https://forum.inductiveautomation.com/t/calling-js-files-inside-ignition/42087)
**Author:** [@dpant](https://forum.inductiveautomation.com/u/dpant)\ **Replies:** 3\ **Last updated:** [January 10, 2021, 5:04pm UTC](https://forum.inductiveautomation.com/t/calling-js-files-inside-ignition/42087 "2021-01-10T17:04:37Z")
We are using Webpack to pack a javascript project in order to read that javascript file from Ignition. The whole idea or requirement is to run the .js script to eventually display the output on Ignition project. To achi… --- ## [Detecting Spoke Failure from Hub using System Tag](https://forum.inductiveautomation.com/t/detecting-spoke-failure-from-hub-using-system-tag/41527)
**Author:** [@prashanta.shrestha](https://forum.inductiveautomation.com/u/prashanta.shrestha)\ **Replies:** 2\ **Last updated:** [January 10, 2021, 4:22pm UTC](https://forum.inductiveautomation.com/t/detecting-spoke-failure-from-hub-using-system-tag/41527 "2021-01-10T16:22:43Z")
Hub Ignition Version: 8.0.15 (64-bit) (Running in Azure Ubuntu VM) Spoke Ignition Version: 8.1.1 (64-bit) (Running in Docker) Trying to implement an alarm notification on Hub when there is no communication from Spoke. … --- ## [How to figure out why "Starting on hold tasks" is being logged every second](https://forum.inductiveautomation.com/t/how-to-figure-out-why-starting-on-hold-tasks-is-being-logged-every-second/42092)
**Author:** [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\ **Replies:** 1\ **Last updated:** [January 10, 2021, 12:33pm UTC](https://forum.inductiveautomation.com/t/how-to-figure-out-why-starting-on-hold-tasks-is-being-logged-every-second/42092 "2021-01-10T12:33:08Z")
When I check the gateway's Status | Logs I have this showing up every second: MyApplication: "starting on hold tasks" There are no errors showing in the overview or any of the other Systems or Diagnostics pages. Ho… --- ## [Message/Confirm box with timeout option](https://forum.inductiveautomation.com/t/message-confirm-box-with-timeout-option/42037)
**Author:** [@kcabatic](https://forum.inductiveautomation.com/u/kcabatic)\ **Replies:** 3\ **Last updated:** [January 9, 2021, 2:21am UTC](https://forum.inductiveautomation.com/t/message-confirm-box-with-timeout-option/42037 "2021-01-09T02:21:14Z")
Is it possible to create a confirmation box that has a timeout option? After a few seconds if there is no action it would default to one of the available options. I have played around using JOptionPane; however, I am no… --- ## [Template Dataset Update](https://forum.inductiveautomation.com/t/template-dataset-update/42071)
**Author:** [@pjgonzales](https://forum.inductiveautomation.com/u/pjgonzales)\ **Replies:** 4\ **Last updated:** [January 9, 2021, 1:44am UTC](https://forum.inductiveautomation.com/t/template-dataset-update/42071 "2021-01-09T01:44:33Z")
I have a template with a parameter of type Dataset. As a test the dataset has a few rows added to it. If I place the template on a page, naturally, I can see the dataset with the test rows, however, if I go to the templa… --- ## [Tag-historian dependency can't be found in gateway](https://forum.inductiveautomation.com/t/tag-historian-dependency-cant-be-found-in-gateway/42081)
**Author:** [@cody.tamaki](https://forum.inductiveautomation.com/u/cody.tamaki)\ **Replies:** 2\ **Last updated:** [January 9, 2021, 1:31am UTC](https://forum.inductiveautomation.com/t/tag-historian-dependency-cant-be-found-in-gateway/42081 "2021-01-09T01:31:36Z")
Hello, I’m trying to add the following dependency to my Ignition module and I can’t seem to get my module to work unless I make it a “compile” scoped dependency. When I do, my module ends up being ~100MB in size and I … --- ## [Configuring a Managed Tag Provider](https://forum.inductiveautomation.com/t/configuring-a-managed-tag-provider/42083)
**Author:** [@dvaughn](https://forum.inductiveautomation.com/u/dvaughn)\ **Replies:** 0\ **Last updated:** [January 9, 2021, 1:28am UTC](https://forum.inductiveautomation.com/t/configuring-a-managed-tag-provider/42083 "2021-01-09T01:28:08Z")
I am working on a module where I need to be able to create a new managed tag provider and a historical provider where all the tags from the managed tag provider should be added. I have the module creating the managed tag… --- ## [Transaction Groups if exists update if not create](https://forum.inductiveautomation.com/t/transaction-groups-if-exists-update-if-not-create/42051)
**Author:** [@brandon222](https://forum.inductiveautomation.com/u/brandon222)\ **Replies:** 7\ **Last updated:** [January 8, 2021, 8:23pm UTC](https://forum.inductiveautomation.com/t/transaction-groups-if-exists-update-if-not-create/42051 "2021-01-08T20:23:37Z")
Hi everyone, I have searched for this but can’t seem to find it. I am wondering if there is a way to use a Transaction Group (Block Group to be exact) where there are 7 groups with 300 tags each. When the transaction is… --- ## [\[BUG\] 8.1.0 Vision indirect tag binding for invalid tag on property shows good using isgood()](https://forum.inductiveautomation.com/t/bug-8-1-0-vision-indirect-tag-binding-for-invalid-tag-on-property-shows-good-using-isgood/42049)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [January 8, 2021, 7:43pm UTC](https://forum.inductiveautomation.com/t/bug-8-1-0-vision-indirect-tag-binding-for-invalid-tag-on-property-shows-good-using-isgood/42049 "2021-01-08T19:43:24Z")
I have a property let’s say {Root Container.prop1} indirectly bound to a tag that doesn’t exist (i.e. quality should be Bad\_NotFound). I have another property where I’m checking the quality of the prop1 using simply isGo… --- ## [Urllib.retrieve not closing tcp ip ports](https://forum.inductiveautomation.com/t/urllib-retrieve-not-closing-tcp-ip-ports/42010)
**Author:** [@Bluemonkey136](https://forum.inductiveautomation.com/u/Bluemonkey136)\ **Replies:** 2\ **Last updated:** [January 8, 2021, 7:39pm UTC](https://forum.inductiveautomation.com/t/urllib-retrieve-not-closing-tcp-ip-ports/42010 "2021-01-08T19:39:44Z")
We are working in ignition 7.9.10. I have created a script using urllib.urlretrieve to pull still images from Axis network cameras on a tag change event. Then save them to a mapped drive on the server. The issue I’m hav… --- ## [\[bug-1498\]Perspective module loads and runs on 8.1.0 but fails to run on 8.1.1](https://forum.inductiveautomation.com/t/bug-1498-perspective-module-loads-and-runs-on-8-1-0-but-fails-to-run-on-8-1-1/41993)
**Author:** [@joehahn](https://forum.inductiveautomation.com/u/joehahn)\ **Replies:** 9\ **Last updated:** [January 8, 2021, 6:51pm UTC](https://forum.inductiveautomation.com/t/bug-1498-perspective-module-loads-and-runs-on-8-1-0-but-fails-to-run-on-8-1-1/41993 "2021-01-08T18:51:07Z")
I have a module that builds, loads and runs on 8.1.0. However, the same module will not start on 8.1.1 ext.sdk\_version = “8.1.0” requiredIgnitionVersion “8.1.0” requiredFrameworkVersion “8” I have tried changing req… --- ## [API calls from Vision Client](https://forum.inductiveautomation.com/t/api-calls-from-vision-client/42069)
**Author:** [@r.popeszku](https://forum.inductiveautomation.com/u/r.popeszku)\ **Replies:** 1\ **Last updated:** [January 8, 2021, 6:18pm UTC](https://forum.inductiveautomation.com/t/api-calls-from-vision-client/42069 "2021-01-08T18:18:12Z")
I am evaluating this device for possible use in one of the units we build. According to the mfgr I should be to be able to query the web based unit using an API call via TCP/IP. See the bottom of page 13 in this manua… --- ## [Barcode scan not returning type when set to 'Any'?](https://forum.inductiveautomation.com/t/barcode-scan-not-returning-type-when-set-to-any/41941)
**Author:** [@Chris\_Taylor](https://forum.inductiveautomation.com/u/Chris_Taylor)\ **Replies:** 3\ **Last updated:** [January 8, 2021, 5:29pm UTC](https://forum.inductiveautomation.com/t/barcode-scan-not-returning-type-when-set-to-any/41941 "2021-01-08T17:29:05Z")
--- ## [Substring Function - Ignition's Expression language](https://forum.inductiveautomation.com/t/substring-function-ignitions-expression-language/42065)
**Author:** [@informatica](https://forum.inductiveautomation.com/u/informatica)\ **Replies:** 4\ **Last updated:** [January 8, 2021, 4:53pm UTC](https://forum.inductiveautomation.com/t/substring-function-ignitions-expression-language/42065 "2021-01-08T16:53:57Z")
Good Afternnoon. According to the documentation: https://docs.inductiveautomation.com/display/DOC81/substring, the indexes (startIndex, endIndex) of the substring() function should start at zero. So, to get the substrin… --- ## [\[BUG-1461\] Changing nested UDT Parent Type not working in instance](https://forum.inductiveautomation.com/t/bug-1461-changing-nested-udt-parent-type-not-working-in-instance/32754)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 9\ **Last updated:** [January 8, 2021, 4:49pm UTC](https://forum.inductiveautomation.com/t/bug-1461-changing-nested-udt-parent-type-not-working-in-instance/32754 "2021-01-08T16:49:45Z")
v8.0.8 I have a UDT that has a UDT instance nested within it that I want to be configurable at the parent UDT’s instance level. For example, in the screenshot below, Interface Test is an instance of PLC Itnerface 1, an… [Previous page](https://forum.inductiveautomation.com/latest.md?page=1241) [Next page](https://forum.inductiveautomation.com/latest.md?page=1243)