# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=1128 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1129 --- ## [License the ignition 8](https://forum.inductiveautomation.com/t/license-the-ignition-8/38385)
**Author:** [@pengfei.dong](https://forum.inductiveautomation.com/u/pengfei.dong)\ **Replies:** 2\ **Last updated:** [September 7, 2020, 12:18am UTC](https://forum.inductiveautomation.com/t/license-the-ignition-8/38385 "2020-09-07T00:18:25Z")
The flat platform of ignition is 8, which does not support the vision module of version 9. However, I have an authorization for platform 8 and vision module version 9. What should I do --- ## [Redundancy Problem](https://forum.inductiveautomation.com/t/redundancy-problem/38440)
**Author:** [@MoisesZV](https://forum.inductiveautomation.com/u/MoisesZV)\ **Replies:** 1\ **Last updated:** [September 6, 2020, 6:00pm UTC](https://forum.inductiveautomation.com/t/redundancy-problem/38440 "2020-09-06T18:00:12Z")
Hi, I am using Ignition 7.9.4. The first PC has Ignition and mysql installed, the second has only Ignition. I set the redundancy to warm and the history mode to partial. When I force to switch between master and backup, … --- ## [I have managed to create an unkillable SFC Chart](https://forum.inductiveautomation.com/t/i-have-managed-to-create-an-unkillable-sfc-chart/9896)
**Author:** [@BillS](https://forum.inductiveautomation.com/u/BillS)\ **Replies:** 7\ **Last updated:** [September 6, 2020, 12:02am UTC](https://forum.inductiveautomation.com/t/i-have-managed-to-create-an-unkillable-sfc-chart/9896 "2020-09-06T00:02:02Z")
The following SFC Chart will not cancel or pause if it is started without a parent chart. Chart XMLs do NOT copy if you include the Begin Chart element, but the rest can be copied and pasted into a chart -- My poor man'… --- ## [Vision Client Launcher Remove Projects and Gateways](https://forum.inductiveautomation.com/t/vision-client-launcher-remove-projects-and-gateways/38376)
**Author:** [@jramirez3](https://forum.inductiveautomation.com/u/jramirez3)\ **Replies:** 5\ **Last updated:** [September 4, 2020, 10:18pm UTC](https://forum.inductiveautomation.com/t/vision-client-launcher-remove-projects-and-gateways/38376 "2020-09-04T22:18:43Z")
In Ignition 8, we are now required to use the vision client launcher. In our use case in 7.9, we would just send the the download link to the HMI. The users never went to the gateway to download a project. We have 3 Ign… --- ## [Dataset find missing value](https://forum.inductiveautomation.com/t/dataset-find-missing-value/38367)
**Author:** [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Replies:** 9\ **Last updated:** [September 4, 2020, 9:26pm UTC](https://forum.inductiveautomation.com/t/dataset-find-missing-value/38367 "2020-09-04T21:26:15Z")
Has anyone created a script to find a missing value between the min/max of a dataset? Basically, if a certain column has a min value of 1 and max value of 100, what’s the best way in script to determine if there are any… --- ## [Deleting lines in a dataset connected to a powertable](https://forum.inductiveautomation.com/t/deleting-lines-in-a-dataset-connected-to-a-powertable/38419)
**Author:** [@Icom](https://forum.inductiveautomation.com/u/Icom)\ **Replies:** 4\ **Last updated:** [September 4, 2020, 9:05pm UTC](https://forum.inductiveautomation.com/t/deleting-lines-in-a-dataset-connected-to-a-powertable/38419 "2020-09-04T21:05:56Z")
To be precise, I have a Powertable that is connected to a dataset. This dataset takes the data from a csv file. The csv file contains empty lines or wrong data(that is, it has data that does not interest me). I need to … --- ## [TimeSeriesChart plot type](https://forum.inductiveautomation.com/t/timeserieschart-plot-type/38377)
**Author:** [@NII](https://forum.inductiveautomation.com/u/NII)\ **Replies:** 1\ **Last updated:** [September 4, 2020, 8:58pm UTC](https://forum.inductiveautomation.com/t/timeserieschart-plot-type/38377 "2020-09-04T20:58:18Z")
The Type property of TimeSeriesChart-\>Plots-\>Trends shows 4 types to choose from, Line, Area, Bar and Scatter. I am wondering if it is possible to use a different shape (square, triangle, star, etc.) for Scatter type (d… --- ## [Power Table Determine Multiple Rows Selected](https://forum.inductiveautomation.com/t/power-table-determine-multiple-rows-selected/38412)
**Author:** [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\ **Replies:** 3\ **Last updated:** [September 4, 2020, 6:12pm UTC](https://forum.inductiveautomation.com/t/power-table-determine-multiple-rows-selected/38412 "2020-09-04T18:12:31Z")
Using vision, v8.0.15, I want to enable a button only if a row is selected, which is easy, but I don’t want this button enabled is multiple rows are selected. What would be the best way to accomplish this? I’m sure I c… --- ## [Report Question in Vision](https://forum.inductiveautomation.com/t/report-question-in-vision/38379)
**Author:** [@pajmera](https://forum.inductiveautomation.com/u/pajmera)\ **Replies:** 2\ **Last updated:** [September 4, 2020, 4:35pm UTC](https://forum.inductiveautomation.com/t/report-question-in-vision/38379 "2020-09-04T16:35:17Z")
Hello, I was making a report for some stations and in that, I have to add a history to a tag and show it in a chart. I've created a nested query and I think I've done it correctly, however, I am unable to see the output … --- ## [Default behavior of system.tag.write in 8.0.x](https://forum.inductiveautomation.com/t/default-behavior-of-system-tag-write-in-8-0-x/38413)
**Author:** [@greg.krueger](https://forum.inductiveautomation.com/u/greg.krueger)\ **Replies:** 1\ **Last updated:** [September 4, 2020, 5:31pm UTC](https://forum.inductiveautomation.com/t/default-behavior-of-system-tag-write-in-8-0-x/38413 "2020-09-04T17:31:00Z")
With the introduction of the .writeBlocking/.writeAsync methods in 8.0, my understanding is that system.tag.write was deprecated, but we still use it in our logic and it still works (I’m assuming for backwards compatibil… --- ## [Gateway Service not starting on mac](https://forum.inductiveautomation.com/t/gateway-service-not-starting-on-mac/38410)
**Author:** [@mpervaiz](https://forum.inductiveautomation.com/u/mpervaiz)\ **Replies:** 9\ **Last updated:** [September 4, 2020, 5:06pm UTC](https://forum.inductiveautomation.com/t/gateway-service-not-starting-on-mac/38410 "2020-09-04T17:06:44Z")
I am using Ignition Gateway 8.0.16, and the gateway is not starting. I have tried to restart multiple times, restarted my computer and still nothing. Originally I had verfsion 8.0.15 installed and that was working fine. … --- ## [AB Micrologix 1500 -\> Pyramid/HMS AB7603 \> Ignition](https://forum.inductiveautomation.com/t/ab-micrologix-1500-pyramid-hms-ab7603-ignition/38334)
**Author:** [@tyler.robertson](https://forum.inductiveautomation.com/u/tyler.robertson)\ **Replies:** 6\ **Last updated:** [September 4, 2020, 4:10pm UTC](https://forum.inductiveautomation.com/t/ab-micrologix-1500-pyramid-hms-ab7603-ignition/38334 "2020-09-04T16:10:23Z")
Hi folks, I’ve got an older DeviceNET system running 24/7 that I’m trying to simply monitor with Ignition. It has an older AB Micrologix 1500 that we’re able to connect to through RSNetworx for Ethernet/IP using a Pyra… --- ## [Create a background script](https://forum.inductiveautomation.com/t/create-a-background-script/38400)
**Author:** [@patricia.mendez](https://forum.inductiveautomation.com/u/patricia.mendez)\ **Replies:** 3\ **Last updated:** [September 4, 2020, 4:00pm UTC](https://forum.inductiveautomation.com/t/create-a-background-script/38400 "2020-09-04T16:00:49Z")
Dear experts, I need to create a python script that will basically subscribe to an external services provider. Afterwards, the values of these services have to be mapped to certain tags already created in advance. What… --- ## [\[BUG ?\] 8.0.16 - readBlocking before all tags are loaded in the provider return None](https://forum.inductiveautomation.com/t/bug-8-0-16-readblocking-before-all-tags-are-loaded-in-the-provider-return-none/38401)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 2\ **Last updated:** [September 4, 2020, 3:39pm UTC](https://forum.inductiveautomation.com/t/bug-8-0-16-readblocking-before-all-tags-are-loaded-in-the-provider-return-none/38401 "2020-09-04T15:39:51Z")
Ignition 8.0.16 When the gateway is started, In gateway startup script, and gateway tag’s expression which can execute runscript, system.tag.readBlocking(\[Path/to/a/valid/tag\]) return None until we have the end of … --- ## [Ignition 8.0.16 - Status/Tags/Groups Last duration](https://forum.inductiveautomation.com/t/ignition-8-0-16-status-tags-groups-last-duration/38397)
**Author:** [@mazeyrat](https://forum.inductiveautomation.com/u/mazeyrat)\ **Replies:** 7\ **Last updated:** [September 4, 2020, 3:16pm UTC](https://forum.inductiveautomation.com/t/ignition-8-0-16-status-tags-groups-last-duration/38397 "2020-09-04T15:16:25Z")
Ignition 8.0.16 On the gateway, in the Status/Tags/Groups: Last duration has no unit and lots of value are 0. The value are in milliseconds (or seconds) ? rounded ? --- ## [Exit from tag value change script](https://forum.inductiveautomation.com/t/exit-from-tag-value-change-script/38402)
**Author:** [@vrautomation](https://forum.inductiveautomation.com/u/vrautomation)\ **Replies:** 1\ **Last updated:** [September 4, 2020, 2:54pm UTC](https://forum.inductiveautomation.com/t/exit-from-tag-value-change-script/38402 "2020-09-04T14:54:34Z")
With Ignition 8.0.12 In a tag value change script: import sys if initialChange == 1: sys.exit() if currentValue.value == 0: sys.exit() Produce that error in the logger: Any ideas? --- ## [Perspective loading problem](https://forum.inductiveautomation.com/t/perspective-loading-problem/38404)
**Author:** [@mbai1](https://forum.inductiveautomation.com/u/mbai1)\ **Replies:** 0\ **Last updated:** [September 4, 2020, 2:46pm UTC](https://forum.inductiveautomation.com/t/perspective-loading-problem/38404 "2020-09-04T14:46:27Z")
hello, I have perspective views that being viewed on chrome browser. when i switch views in browser or refresh the view, I often got the loading 0%, and even I refresh I can not load the page. I have to reopen the link. … --- ## [Time delay Issue between consecutive trigger based transactions in a transaction group](https://forum.inductiveautomation.com/t/time-delay-issue-between-consecutive-trigger-based-transactions-in-a-transaction-group/38396)
**Author:** [@vnerella](https://forum.inductiveautomation.com/u/vnerella)\ **Replies:** 8\ **Last updated:** [September 4, 2020, 2:06pm UTC](https://forum.inductiveautomation.com/t/time-delay-issue-between-consecutive-trigger-based-transactions-in-a-transaction-group/38396 "2020-09-04T14:06:57Z")
Hi Ignition Forum I am using a standard transaction group type transaction. My transaction is based on a trigger tag, Every time i turn on the trigger, i expect the data to be sent to db and update my handshake flag an… --- ## [Easy Chart: Pen Focus & Axis Label](https://forum.inductiveautomation.com/t/easy-chart-pen-focus-axis-label/38399)
**Author:** [@jtrimbleS](https://forum.inductiveautomation.com/u/jtrimbleS)\ **Replies:** 0\ **Last updated:** [September 4, 2020, 1:48pm UTC](https://forum.inductiveautomation.com/t/easy-chart-pen-focus-axis-label/38399 "2020-09-04T13:48:53Z")
I have created an Easy Chart to show historical trending on about 30 tags. I have two different subplots, one to show digital trends and one to show the analog trends. Does anybody know of a way I can have the operator… --- ## [Redundancy Architecture](https://forum.inductiveautomation.com/t/redundancy-architecture/38290)
**Author:** [@Vijikesh](https://forum.inductiveautomation.com/u/Vijikesh)\ **Replies:** 5\ **Last updated:** [September 4, 2020, 12:56pm UTC](https://forum.inductiveautomation.com/t/redundancy-architecture/38290 "2020-09-04T12:56:49Z")
I have configured two Gateway for Redundancy and created MSSQL connection in each Gateway (For fail-over Database). My question is, Will Both the Database sync (have the complete Table data).If not, is it possible to ma… --- ## [How to find a character in a cell?](https://forum.inductiveautomation.com/t/how-to-find-a-character-in-a-cell/38370)
**Author:** [@Icom](https://forum.inductiveautomation.com/u/Icom)\ **Replies:** 3\ **Last updated:** [September 4, 2020, 12:02pm UTC](https://forum.inductiveautomation.com/t/how-to-find-a-character-in-a-cell/38370 "2020-09-04T12:02:25Z")
Can someone give me a clue how to find a character in a cell from a powertable. Thanks --- ## [Last published value Time Stamp source details](https://forum.inductiveautomation.com/t/last-published-value-time-stamp-source-details/38355)
**Author:** [@vnerella](https://forum.inductiveautomation.com/u/vnerella)\ **Replies:** 2\ **Last updated:** [September 4, 2020, 11:25am UTC](https://forum.inductiveautomation.com/t/last-published-value-time-stamp-source-details/38355 "2020-09-04T11:25:18Z")
Hi I would like to know where does the time value in LastPublishedValue of a tag come from? What timezone does it consider and where does ignition get the value from? This value is different from the Current Time. My t… --- ## [Database SQL log full](https://forum.inductiveautomation.com/t/database-sql-log-full/38301)
**Author:** [@tom.wouters](https://forum.inductiveautomation.com/u/tom.wouters)\ **Replies:** 5\ **Last updated:** [September 4, 2020, 10:48am UTC](https://forum.inductiveautomation.com/t/database-sql-log-full/38301 "2020-09-04T10:48:36Z")
Dear experts, I have an SQL database which has a log file. This log file will be saved in a different hard drive than the actual data. Now today we found out the LOG hard drive was full. After Ignition had trouble get… --- ## [Perspective - how was it done?](https://forum.inductiveautomation.com/t/perspective-how-was-it-done/38241)
**Author:** [@ASF](https://forum.inductiveautomation.com/u/ASF)\ **Replies:** 10\ **Last updated:** [September 4, 2020, 9:59am UTC](https://forum.inductiveautomation.com/t/perspective-how-was-it-done/38241 "2020-09-04T09:59:26Z")
Apologies for the vague title, I’m a bit stumped and not really sure what’s going on to accurately describe it. I have an application where somebody else has developed a perspective application. This person had never us… --- ## [Perspective on iOS - keyboard does not appear for text fields in popups](https://forum.inductiveautomation.com/t/perspective-on-ios-keyboard-does-not-appear-for-text-fields-in-popups/38381)
**Author:** [@mrandell](https://forum.inductiveautomation.com/u/mrandell)\ **Replies:** 1\ **Last updated:** [September 4, 2020, 2:27am UTC](https://forum.inductiveautomation.com/t/perspective-on-ios-keyboard-does-not-appear-for-text-fields-in-popups/38381 "2020-09-04T02:27:54Z")
I’ve tried searching before asking this and there was one topic with no replies. I have a perspective project and in it I have a popup with some text fields. When I touch them from iOS the keyboard does not appear thoug… --- ## [Perspective: Cannot update label with popup response text](https://forum.inductiveautomation.com/t/perspective-cannot-update-label-with-popup-response-text/38369)
**Author:** [@jross2020](https://forum.inductiveautomation.com/u/jross2020)\ **Replies:** 4\ **Last updated:** [September 3, 2020, 8:41pm UTC](https://forum.inductiveautomation.com/t/perspective-cannot-update-label-with-popup-response-text/38369 "2020-09-03T20:41:56Z")
In perspective, I have a view with a button and a label (“Label\_0”). The button “onClick” event script is as follows: def runAction(self, event): def func(): system.perspective.openPopup('myPopup', 'Application/confi… --- ## [How not display lines containing zeros in a Power table (dataset)](https://forum.inductiveautomation.com/t/how-not-display-lines-containing-zeros-in-a-power-table-dataset/38331)
**Author:** [@Icom](https://forum.inductiveautomation.com/u/Icom)\ **Replies:** 4\ **Last updated:** [September 3, 2020, 8:28pm UTC](https://forum.inductiveautomation.com/t/how-not-display-lines-containing-zeros-in-a-power-table-dataset/38331 "2020-09-03T20:28:17Z")
Hello I have a powertable that is connected to a dataset tag. The table shows all the data in the dataset, however I want the lines where zero appears to not appear. Besides this, I want the cells of a column to change w… --- ## [Mouse clicks do not click on the correct cursor position](https://forum.inductiveautomation.com/t/mouse-clicks-do-not-click-on-the-correct-cursor-position/38351)
**Author:** [@kissamcorrina](https://forum.inductiveautomation.com/u/kissamcorrina)\ **Replies:** 7\ **Last updated:** [September 3, 2020, 6:57pm UTC](https://forum.inductiveautomation.com/t/mouse-clicks-do-not-click-on-the-correct-cursor-position/38351 "2020-09-03T18:57:47Z")
I’ve noticed in Ignition 8 designers, when I mouse click on a script the cursor will show up a few characters down (usually 1 - 3 positions off). Sometimes the cursor will appear in the middle of a character. Has anyone … --- ## [Problem starting the Gateway (command file not found)](https://forum.inductiveautomation.com/t/problem-starting-the-gateway-command-file-not-found/38364)
**Author:** [@carlose.perezc](https://forum.inductiveautomation.com/u/carlose.perezc)\ **Replies:** 0\ **Last updated:** [September 3, 2020, 5:40pm UTC](https://forum.inductiveautomation.com/t/problem-starting-the-gateway-command-file-not-found/38364 "2020-09-03T17:40:19Z")
Hello everyone. I am new to ignition and have downloaded the latest version for windows 10, but when I try to communicate with the gateway, it throws me this error. “command file not found” “C: Users\\Emilio\\AppData\\Loc… --- ## [Changes showing up in preview but not in vision client](https://forum.inductiveautomation.com/t/changes-showing-up-in-preview-but-not-in-vision-client/38358)
**Author:** [@Rusty](https://forum.inductiveautomation.com/u/Rusty)\ **Replies:** 2\ **Last updated:** [September 3, 2020, 5:14pm UTC](https://forum.inductiveautomation.com/t/changes-showing-up-in-preview-but-not-in-vision-client/38358 "2020-09-03T17:14:54Z")
Hello, I’m using numeric labels in vision with the Number Format Pattern property set to #,##0.000 The values are showing up with three decimal places just fine in the designer and in preview mode, yet when I save and … [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1127) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1129)