# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=1233 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1234 --- ## [How to add or edit a derived tag in script?](https://forum.inductiveautomation.com/t/how-to-add-or-edit-a-derived-tag-in-script/30347)
**Author:** [@guanghui](https://forum.inductiveautomation.com/u/guanghui)\ **Replies:** 0\ **Last updated:** [December 2, 2019, 3:48am UTC](https://forum.inductiveautomation.com/t/how-to-add-or-edit-a-derived-tag-in-script/30347 "2019-12-02T03:48:20Z")
I want to add a derived tag using python , but I have no idea how to set the Read Expression value. is it possiable just like below or something else? system.tag.addTag(parentPath=’\[default\]test’, name=“tag\_43”, tagTyp… --- ## [Ignition 8.0.2 Vision Right Click Menu Bug](https://forum.inductiveautomation.com/t/ignition-8-0-2-vision-right-click-menu-bug/26072)
**Author:** [@DanielS](https://forum.inductiveautomation.com/u/DanielS)\ **Replies:** 2\ **Last updated:** [December 1, 2019, 10:49pm UTC](https://forum.inductiveautomation.com/t/ignition-8-0-2-vision-right-click-menu-bug/26072 "2019-12-01T22:49:37Z")
I have created a new ignition 8 vision project and have noticed the appearance of a right click menu that I have not configured and do not remember being present in 7.9. How do I get rid of this right click menu? --- ## [Template Repeater - Specify repeated template initial coordinates](https://forum.inductiveautomation.com/t/template-repeater-specify-repeated-template-initial-coordinates/30336)
**Author:** [@llepore](https://forum.inductiveautomation.com/u/llepore)\ **Replies:** 0\ **Last updated:** [November 30, 2019, 8:46am UTC](https://forum.inductiveautomation.com/t/template-repeater-specify-repeated-template-initial-coordinates/30336 "2019-11-30T08:46:24Z")
Hi all, Quick question here, I have a template repeater component and I was wondering if there was a way to specify the coordinates of the template that gets repeated? Also, is there anyway to rotate the template repea… --- ## [Where do I get artificial tags for practice and study?](https://forum.inductiveautomation.com/t/where-do-i-get-artificial-tags-for-practice-and-study/30327)
**Author:** [@shemelis.2013](https://forum.inductiveautomation.com/u/shemelis.2013)\ **Replies:** 1\ **Last updated:** [November 29, 2019, 9:32pm UTC](https://forum.inductiveautomation.com/t/where-do-i-get-artificial-tags-for-practice-and-study/30327 "2019-11-29T21:32:18Z")
Dear All, I am a student at inductive university. Where do I get artificial tags to practice and study? Regards --- ## [Transaction Group Import Issue V8.06](https://forum.inductiveautomation.com/t/transaction-group-import-issue-v8-06/30324)
**Author:** [@aidamcg](https://forum.inductiveautomation.com/u/aidamcg)\ **Replies:** 1\ **Last updated:** [November 29, 2019, 4:02pm UTC](https://forum.inductiveautomation.com/t/transaction-group-import-issue-v8-06/30324 "2019-11-29T16:02:42Z")
Hi I noticed that when I exported a block TG to XML and made some changes to it and imported, the Basic OPC/Group Items names had been converted to their driving tag path from just a name.This caused issues as the name … --- ## [Derived tags quality from source](https://forum.inductiveautomation.com/t/derived-tags-quality-from-source/30325)
**Author:** [@mohamad.tayara](https://forum.inductiveautomation.com/u/mohamad.tayara)\ **Replies:** 0\ **Last updated:** [November 29, 2019, 1:48pm UTC](https://forum.inductiveautomation.com/t/derived-tags-quality-from-source/30325 "2019-11-29T13:48:11Z")
Hello, I am using ignition to connect to a Siemens S7 1500 CPU using the integrated OPC UA server, in my PLC I have a datatype with nested UDTs (around 100 atomic vaiables) so i have used the derived tag method describe… --- ## [Cloud Gateway OPC-UA to remote PLC](https://forum.inductiveautomation.com/t/cloud-gateway-opc-ua-to-remote-plc/30306)
**Author:** [@erikmb](https://forum.inductiveautomation.com/u/erikmb)\ **Replies:** 4\ **Last updated:** [November 29, 2019, 1:33pm UTC](https://forum.inductiveautomation.com/t/cloud-gateway-opc-ua-to-remote-plc/30306 "2019-11-29T13:33:42Z")
Hi Everyone, I am trying to get a test setup working as shown in the diagram, with an Ignition Gateway (v8.0.5) on an AWS server communicating via the Ignition OPC-UA server with a PLC connected to the internet via a cab… --- ## [Issue when adding a UDT Data Type To a new UDT](https://forum.inductiveautomation.com/t/issue-when-adding-a-udt-data-type-to-a-new-udt/30323)
**Author:** [@aidamcg](https://forum.inductiveautomation.com/u/aidamcg)\ **Replies:** 0\ **Last updated:** [November 29, 2019, 1:17pm UTC](https://forum.inductiveautomation.com/t/issue-when-adding-a-udt-data-type-to-a-new-udt/30323 "2019-11-29T13:17:05Z")
Hi I am using version 8.06 and noticed an issue when I try to create a new UDT which has another UDT as a member. The full list of UDT’s are not displayed as shown in the attached image. The list available to me stops a… --- ## [Gateway network timeouts](https://forum.inductiveautomation.com/t/gateway-network-timeouts/30262)
**Author:** [@Dilan](https://forum.inductiveautomation.com/u/Dilan)\ **Replies:** 2\ **Last updated:** [November 29, 2019, 7:50am UTC](https://forum.inductiveautomation.com/t/gateway-network-timeouts/30262 "2019-11-29T07:50:38Z")
Hello All, I have about 4 incoming gateway connections (b-e) to one gateway(a). However of the 4, two of the gateways struggle to stay connected. These two gateways both have poor network connectivity. To get the gatewa… --- ## [Writing from Extension Function](https://forum.inductiveautomation.com/t/writing-from-extension-function/30308)
**Author:** [@luke1](https://forum.inductiveautomation.com/u/luke1)\ **Replies:** 1\ **Last updated:** [November 29, 2019, 2:19am UTC](https://forum.inductiveautomation.com/t/writing-from-extension-function/30308 "2019-11-29T02:19:59Z")
Hi guys, this is probably quite a straight forward answer but i cannot seem to find a suitable explanation. I would like to write to a label object from an alarmstatus table but i do not know how to call the component, a… --- ## [Eof exeception error](https://forum.inductiveautomation.com/t/eof-exeception-error/30310)
**Author:** [@epifanio.tigno](https://forum.inductiveautomation.com/u/epifanio.tigno)\ **Replies:** 0\ **Last updated:** [November 29, 2019, 12:41am UTC](https://forum.inductiveautomation.com/t/eof-exeception-error/30310 "2019-11-29T00:41:47Z")
Please help im encountering this error,how can i resolve this problem,thanks java.io.EOFException at java.base/java.util.zip.GZIPInputStream.readUByte(Unknown Source) at java.base/java.util.zip.GZIPInputStream.readUS… --- ## [PDF Viewer performance (slow and low-res)](https://forum.inductiveautomation.com/t/pdf-viewer-performance-slow-and-low-res/30304)
**Author:** [@vrautomation](https://forum.inductiveautomation.com/u/vrautomation)\ **Replies:** 0\ **Last updated:** [November 28, 2019, 3:34pm UTC](https://forum.inductiveautomation.com/t/pdf-viewer-performance-slow-and-low-res/30304 "2019-11-28T15:34:43Z")
Hello dear Ignition’s fan. I’m doing some test with the pdf viewer in Vision. I’m loading a pdf file of 3Mb and 134 pages. The gateway is on my personnal computer as well as the pdf file. I’m using Ignition 8. 1- Load… --- ## [Alarms without tags](https://forum.inductiveautomation.com/t/alarms-without-tags/30287)
**Author:** [@marianjel\_11](https://forum.inductiveautomation.com/u/marianjel_11)\ **Replies:** 2\ **Last updated:** [November 28, 2019, 9:38am UTC](https://forum.inductiveautomation.com/t/alarms-without-tags/30287 "2019-11-28T09:38:29Z")
Good morning, I am working on a tool control application, in which I need that every two months that the tools have use they send me an alarm, but they will be around 40 thousand tools, so I would not want to do it with … --- ## [Report extra Summary](https://forum.inductiveautomation.com/t/report-extra-summary/30292)
**Author:** [@kartik.i](https://forum.inductiveautomation.com/u/kartik.i)\ **Replies:** 0\ **Last updated:** [November 28, 2019, 4:39am UTC](https://forum.inductiveautomation.com/t/report-extra-summary/30292 "2019-11-28T04:39:56Z")
Hello guys I am developing a report for calculating weekly total and monthly total for calculating product weight so currently I am able to get weekly total that is adding summary row but I need an extra summary which wi… --- ## [How access tag array element in expression language](https://forum.inductiveautomation.com/t/how-access-tag-array-element-in-expression-language/30232)
**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Replies:** 2\ **Last updated:** [November 28, 2019, 4:33am UTC](https://forum.inductiveautomation.com/t/how-access-tag-array-element-in-expression-language/30232 "2019-11-28T04:33:38Z")
Hello, How can I access tag array element in expression language? The array index is custom property. --- ## [Easy chart mark, x-trace](https://forum.inductiveautomation.com/t/easy-chart-mark-x-trace/30288)
**Author:** [@rigoberto.reyes](https://forum.inductiveautomation.com/u/rigoberto.reyes)\ **Replies:** 1\ **Last updated:** [November 27, 2019, 9:36pm UTC](https://forum.inductiveautomation.com/t/easy-chart-mark-x-trace/30288 "2019-11-27T21:36:10Z")
Hello. I´m using an easy chart object, with mark mode enabled. Could I get all data it shows when I chose a specific point of the chart?, I need to export them to text fields. Thanks. --- ## [Understanding perspective playback control from Ignition Exchange](https://forum.inductiveautomation.com/t/understanding-perspective-playback-control-from-ignition-exchange/30255)
**Author:** [@Bojacobsen](https://forum.inductiveautomation.com/u/Bojacobsen)\ **Replies:** 1\ **Last updated:** [November 27, 2019, 9:35pm UTC](https://forum.inductiveautomation.com/t/understanding-perspective-playback-control-from-ignition-exchange/30255 "2019-11-27T21:35:26Z")
Hello All I was trying to reuse the Historical Playback Control from Ignition Exchange. It works :grinning: but I don’t understand all of it :cold\_sweat:. I don’t understand how if currentTimeString in cache: can be … --- ## [Float value coming from modbus simulator shows its increased by 1 only in case of even numbers](https://forum.inductiveautomation.com/t/float-value-coming-from-modbus-simulator-shows-its-increased-by-1-only-in-case-of-even-numbers/30286)
**Author:** [@archana.kachru](https://forum.inductiveautomation.com/u/archana.kachru)\ **Replies:** 0\ **Last updated:** [November 27, 2019, 8:54pm UTC](https://forum.inductiveautomation.com/t/float-value-coming-from-modbus-simulator-shows-its-increased-by-1-only-in-case-of-even-numbers/30286 "2019-11-27T20:54:22Z")
i have ignition 8 downloaded and i also have a modsim simulator running and configured to read float. i am able to read the values, but there is small increment to the value that i have entered in simulator. If i enter … --- ## [UDT Instance Tag Names in Historian](https://forum.inductiveautomation.com/t/udt-instance-tag-names-in-historian/30280)
**Author:** [@john.keshecki](https://forum.inductiveautomation.com/u/john.keshecki)\ **Replies:** 2\ **Last updated:** [November 27, 2019, 8:48pm UTC](https://forum.inductiveautomation.com/t/udt-instance-tag-names-in-historian/30280 "2019-11-27T20:48:45Z")
Hi, I have a UDT called “Storage\_Tank.” From that UDT, I have several instances: TK1, TK2, TK3, etc. Each instance has an OPC tag called “Gallons.” When I bring the “Gallons” tag up in the historian, “Gallons” from each… --- ## [SQL Bridge - Designer Works but Launched Project Does Not](https://forum.inductiveautomation.com/t/sql-bridge-designer-works-but-launched-project-does-not/18371)
**Author:** [@hodgins.e](https://forum.inductiveautomation.com/u/hodgins.e)\ **Replies:** 4\ **Last updated:** [November 27, 2019, 7:07pm UTC](https://forum.inductiveautomation.com/t/sql-bridge-designer-works-but-launched-project-does-not/18371 "2019-11-27T19:07:32Z")
Hi, I’m just starting out on a first project. But I can’t seem to get my SQL queries to work in a project. My tables and bar charts work in the designer fine. But once it’s launched to say a windowed view the table be… --- ## [Using more than one database connection in a project](https://forum.inductiveautomation.com/t/using-more-than-one-database-connection-in-a-project/3372)
**Author:** [@equintana](https://forum.inductiveautomation.com/u/equintana)\ **Replies:** 6\ **Last updated:** [November 27, 2019, 5:22pm UTC](https://forum.inductiveautomation.com/t/using-more-than-one-database-connection-in-a-project/3372 "2019-11-27T17:22:38Z")
Hi, I am working in a project where I need to consult data from more than one database (Postgres and MySQL). I am not using tags because I need to change the text of the queries dinamically, so I am writing the queries a… --- ## [mouseExited on power table, boarders are not accurate](https://forum.inductiveautomation.com/t/mouseexited-on-power-table-boarders-are-not-accurate/30277)
**Author:** [@csanyia](https://forum.inductiveautomation.com/u/csanyia)\ **Replies:** 0\ **Last updated:** [November 27, 2019, 4:20pm UTC](https://forum.inductiveautomation.com/t/mouseexited-on-power-table-boarders-are-not-accurate/30277 "2019-11-27T16:20:55Z")
I’ve been working on an ‘auto complete’ in the search bar, to accomplish this i thought it may be best to have a powerTable appear w/ the SQL query of the search text field. Search Text Field on click makes the powerTab… --- ## [MODBUS TCP error with Gateway RS485\<-\>TCP](https://forum.inductiveautomation.com/t/modbus-tcp-error-with-gateway-rs485-tcp/30265)
**Author:** [@dabouse](https://forum.inductiveautomation.com/u/dabouse)\ **Replies:** 3\ **Last updated:** [November 27, 2019, 2:52pm UTC](https://forum.inductiveautomation.com/t/modbus-tcp-error-with-gateway-rs485-tcp/30265 "2019-11-27T14:52:19Z")
Hi, I have a Gateway Modbus RS485\<-\>TCP, Ignition Communicate with modbus TCP driver. When 1 Device on the RS485 is disconnected, all the tags respond Bad values. I have Ignition 7.9.12 x64. I created 1 OPC-UA device… --- ## [\[FB14892\] Client launcher uses Azul Java even with useBundledJre=false](https://forum.inductiveautomation.com/t/fb14892-client-launcher-uses-azul-java-even-with-usebundledjre-false/26054)
**Author:** [@systemparadox](https://forum.inductiveautomation.com/u/systemparadox)\ **Replies:** 4\ **Last updated:** [November 27, 2019, 2:14pm UTC](https://forum.inductiveautomation.com/t/fb14892-client-launcher-uses-azul-java-even-with-usebundledjre-false/26054 "2019-11-27T14:14:40Z")
We are about to upgrade from 7.9.4 to 7.9.11, which now contains a bundled JRE. We have to support both 32-bit and 64-bit clients, but the bundled JRE only works with 64-bit machines, so I was planning to set this up to … --- ## [Hide/Remove Dropdown Arrow Button](https://forum.inductiveautomation.com/t/hide-remove-dropdown-arrow-button/30253)
**Author:** [@Phil\_B](https://forum.inductiveautomation.com/u/Phil_B)\ **Replies:** 0\ **Last updated:** [November 26, 2019, 8:17pm UTC](https://forum.inductiveautomation.com/t/hide-remove-dropdown-arrow-button/30253 "2019-11-26T20:17:06Z")
Is there an easy way to hide or remove the arrow button on a standard dropdown component in vision? Thanks in advance. --- ## [DataTypes properties are empty and instances created as a folder after Upgrade](https://forum.inductiveautomation.com/t/datatypes-properties-are-empty-and-instances-created-as-a-folder-after-upgrade/30252)
**Author:** [@informatica](https://forum.inductiveautomation.com/u/informatica)\ **Replies:** 0\ **Last updated:** [November 26, 2019, 8:13pm UTC](https://forum.inductiveautomation.com/t/datatypes-properties-are-empty-and-instances-created-as-a-folder-after-upgrade/30252 "2019-11-26T20:13:49Z")
Good Afternoon. I have updated from Ignition 7.9.9 to Ignition 8.0.6 and I have noticed that some properties of the tags of the DataTypes are empty and some instances are created as folders. For example: “Moldeadora” i… --- ## [Perspective: Datetime range for all items on page?](https://forum.inductiveautomation.com/t/perspective-datetime-range-for-all-items-on-page/30177)
**Author:** [@Mason.Younger](https://forum.inductiveautomation.com/u/Mason.Younger)\ **Replies:** 2\ **Last updated:** [November 26, 2019, 6:26pm UTC](https://forum.inductiveautomation.com/t/perspective-datetime-range-for-all-items-on-page/30177 "2019-11-26T18:26:40Z")
I need help with setting up a view to have two “DateTime Picker” inputs(Start date and End date). I can set the value to todays date and today - 1. This way the page defaults to showing the last days worth of data. I wo… --- ## [\[FEATURE-14716\] Perspective Time Series Axis Number Format](https://forum.inductiveautomation.com/t/feature-14716-perspective-time-series-axis-number-format/27384)
**Author:** [@bridress1](https://forum.inductiveautomation.com/u/bridress1)\ **Replies:** 4\ **Last updated:** [November 26, 2019, 6:19pm UTC](https://forum.inductiveautomation.com/t/feature-14716-perspective-time-series-axis-number-format/27384 "2019-11-26T18:19:24Z")
I feel like I’ve completely overlooked it but I’m not seeing a way to format the values on the tick marks. For example, a Time Series trend from values ranging from 1900 to 2000 show “1.9k” for every tick mark and I’d l… --- ## [Meter Component Resize Problem](https://forum.inductiveautomation.com/t/meter-component-resize-problem/30235)
**Author:** [@Rendi.Yohanes](https://forum.inductiveautomation.com/u/Rendi.Yohanes)\ **Replies:** 3\ **Last updated:** [November 26, 2019, 2:33pm UTC](https://forum.inductiveautomation.com/t/meter-component-resize-problem/30235 "2019-11-26T14:33:50Z")
Need some help on the native “Meter Component”. I’m using VISION in Ignition 8.0.4. The problem is that when you resize the meter component, the tick size and the distance between the tick and tick label stay almost th… --- ## [No Sleep no system.util.invokeLater()](https://forum.inductiveautomation.com/t/no-sleep-no-system-util-invokelater/29393)
**Author:** [@andor.izsak](https://forum.inductiveautomation.com/u/andor.izsak)\ **Replies:** 1\ **Last updated:** [November 26, 2019, 7:25am UTC](https://forum.inductiveautomation.com/t/no-sleep-no-system-util-invokelater/29393 "2019-11-26T07:25:04Z")
I understand why not to use sleep as I have experienced its shortcomings. I also understand that system.util.invokeLater() is for client side. I have 3 tag change gateway scripts that reset a 400+ tags (counters) at the… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1232) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1234)