# Latest **URL:** https://forum.inductiveautomation.com/latest.md?page=1272 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1273 --- ## [Upgrading to Ignition 8.1](https://forum.inductiveautomation.com/t/upgrading-to-ignition-8-1/40267)
**Author:** [@Marisa](https://forum.inductiveautomation.com/u/Marisa)\ **Replies:** 1\ **Last updated:** [November 3, 2020, 10:41pm UTC](https://forum.inductiveautomation.com/t/upgrading-to-ignition-8-1/40267 "2020-11-03T22:41:56Z")
Is upgrading from 8.0 to 8.1 free? --- ## [Drag and Drop Tags into Historian Table?](https://forum.inductiveautomation.com/t/drag-and-drop-tags-into-historian-table/40253)
**Author:** [@cody.abbott](https://forum.inductiveautomation.com/u/cody.abbott)\ **Replies:** 3\ **Last updated:** [November 3, 2020, 7:53pm UTC](https://forum.inductiveautomation.com/t/drag-and-drop-tags-into-historian-table/40253 "2020-11-03T19:53:19Z")
I’d like to allow users to be able to drag and drop tags from a tag browse tree onto a table component; just like you can do with the easy chart. So far it seems like it works in design mode, but not runtime. Is there so… --- ## [Switch Screen at Certain Time](https://forum.inductiveautomation.com/t/switch-screen-at-certain-time/40247)
**Author:** [@tre99ahs](https://forum.inductiveautomation.com/u/tre99ahs)\ **Replies:** 3\ **Last updated:** [November 3, 2020, 5:49pm UTC](https://forum.inductiveautomation.com/t/switch-screen-at-certain-time/40247 "2020-11-03T17:49:18Z")
I would like to switch to a default window at 12 am everyday no matter what window the client is currently in, what would my script need to look like? --- ## [Problem reading tags from Siemens S7-1500 PLC](https://forum.inductiveautomation.com/t/problem-reading-tags-from-siemens-s7-1500-plc/40244)
**Author:** [@luis.3.flores](https://forum.inductiveautomation.com/u/luis.3.flores)\ **Replies:** 6\ **Last updated:** [November 3, 2020, 5:44pm UTC](https://forum.inductiveautomation.com/t/problem-reading-tags-from-siemens-s7-1500-plc/40244 "2020-11-03T17:44:56Z")
I am having an issue trying to read the tags from a PLC S7-1500. I have access level set as “Full access (no protection” and the connection mechanism enabled for “permit access with PUT/GET communications from remote pa… --- ## [Siemens 1500 PLC](https://forum.inductiveautomation.com/t/siemens-1500-plc/6262)
**Author:** [@craigb](https://forum.inductiveautomation.com/u/craigb)\ **Replies:** 11\ **Last updated:** [May 4, 2018, 1:18pm UTC](https://forum.inductiveautomation.com/t/siemens-1500-plc/6262 "2018-05-04T13:18:56Z")
Folks, I'm having trouble communicating with 1500 PLC. I've set it up in the config as a 1200 and its showing connected but when assigning OPC Tag, the tag fails and shows as a config error. Just to confirm tax ex… --- ## [Demo application for a noob?](https://forum.inductiveautomation.com/t/demo-application-for-a-noob/39679)
**Author:** [@eddie\_johnson](https://forum.inductiveautomation.com/u/eddie_johnson)\ **Replies:** 16\ **Last updated:** [November 3, 2020, 5:02pm UTC](https://forum.inductiveautomation.com/t/demo-application-for-a-noob/39679 "2020-11-03T17:02:18Z")
Is there a demo app I can download and run? I learn faster by following examples. --- ## [Vision text field Defer Updates](https://forum.inductiveautomation.com/t/vision-text-field-defer-updates/40232)
**Author:** [@jgonya](https://forum.inductiveautomation.com/u/jgonya)\ **Replies:** 2\ **Last updated:** [November 3, 2020, 4:56pm UTC](https://forum.inductiveautomation.com/t/vision-text-field-defer-updates/40232 "2020-11-03T16:56:15Z")
Quick question, I have a Vision text field to search a database. I hoping to use the text field as I type it will search as a go. So I think I should disable the Defer Updates. When I did, the typing text was backwards.… --- ## [Perspective resource.json and git merge issue](https://forum.inductiveautomation.com/t/perspective-resource-json-and-git-merge-issue/40238)
**Author:** [@kgamble](https://forum.inductiveautomation.com/u/kgamble)\ **Replies:** 2\ **Last updated:** [November 3, 2020, 4:09pm UTC](https://forum.inductiveautomation.com/t/perspective-resource-json-and-git-merge-issue/40238 "2020-11-03T16:09:58Z")
I keep having this issue where something I am doing with git keeps causing my resource.json files for perspective to end up in a state like this. I can “accept the incoming changes” in vs code, or I can just manually fix… --- ## [Easy chart loading time](https://forum.inductiveautomation.com/t/easy-chart-loading-time/40235)
**Author:** [@andreas](https://forum.inductiveautomation.com/u/andreas)\ **Replies:** 1\ **Last updated:** [November 3, 2020, 3:46pm UTC](https://forum.inductiveautomation.com/t/easy-chart-loading-time/40235 "2020-11-03T15:46:05Z")
Hi all, We are using an easy chart component to show historical data for several tags at a time. The issue we run into is that when selecting e.g. one week in the date range selector, it takes a lot of time before the t… --- ## [Long integer addition math error in expression tag](https://forum.inductiveautomation.com/t/long-integer-addition-math-error-in-expression-tag/40236)
**Author:** [@mlindstrom](https://forum.inductiveautomation.com/u/mlindstrom)\ **Replies:** 1\ **Last updated:** [November 3, 2020, 3:05pm UTC](https://forum.inductiveautomation.com/t/long-integer-addition-math-error-in-expression-tag/40236 "2020-11-03T15:05:46Z")
I’m making an expression tag with type Long and have either found a bug or am I missing something obvious. I’m running 7.9.13. The strangeness is with the expression toLong(255) + toLong(2)^toLong(8\*6) \* toLong(255) p… --- ## [HsqlDataStore - Error deserializing data from data store](https://forum.inductiveautomation.com/t/hsqldatastore-error-deserializing-data-from-data-store/35043)
**Author:** [@c.bertulli](https://forum.inductiveautomation.com/u/c.bertulli)\ **Replies:** 12\ **Last updated:** [November 3, 2020, 2:55pm UTC](https://forum.inductiveautomation.com/t/hsqldatastore-error-deserializing-data-from-data-store/35043 "2020-11-03T14:55:43Z")
Hi All, I found my gateway logs full of this error message ( one error each second ): HsqlDataStore - Error deserializing data from data store java.lang.ClassNotFoundException: com.inductiveautomation.ignition.gateway… --- ## [Uncertain initial value when I use system.tag.configure!](https://forum.inductiveautomation.com/t/uncertain-initial-value-when-i-use-system-tag-configure/40208)
**Author:** [@lachguerabdallah](https://forum.inductiveautomation.com/u/lachguerabdallah)\ **Replies:** 11\ **Last updated:** [November 3, 2020, 2:53pm UTC](https://forum.inductiveautomation.com/t/uncertain-initial-value-when-i-use-system-tag-configure/40208 "2020-11-03T14:53:21Z")
hello i’m using system.tag.confgure to enable and disable alarms by scripting, when executing it for the first time the quality of the tag changes to 'uncertain initial value. def overrideAlarmConfig(tagPath, alarmNam… --- ## [8.1.x Stable version?](https://forum.inductiveautomation.com/t/8-1-x-stable-version/40215)
**Author:** [@peter](https://forum.inductiveautomation.com/u/peter)\ **Replies:** 11\ **Last updated:** [November 3, 2020, 2:24pm UTC](https://forum.inductiveautomation.com/t/8-1-x-stable-version/40215 "2020-11-03T14:24:00Z")
In last weeks webinar it was said that 8.1 would be officially released today. In the version download I can see “8.1.1 LTS Nightly” and “8.1.0 LTS RC3”. I would expect an official version to be named something like “8… --- ## [Problem with querying history](https://forum.inductiveautomation.com/t/problem-with-querying-history/40127)
**Author:** [@mlunapinel](https://forum.inductiveautomation.com/u/mlunapinel)\ **Replies:** 1\ **Last updated:** [November 3, 2020, 12:21pm UTC](https://forum.inductiveautomation.com/t/problem-with-querying-history/40127 "2020-11-03T12:21:26Z")
Hello, I’m trying to develop a module that queries tag history data from the last 20 minutes. I’m not sure if im setting up the BasicTagHistoryQueryParams right or if I’m storing data in the DataStream correctly because… --- ## [Feedback after using POST service](https://forum.inductiveautomation.com/t/feedback-after-using-post-service/33814)
**Author:** [@kairongsen](https://forum.inductiveautomation.com/u/kairongsen)\ **Replies:** 7\ **Last updated:** [November 3, 2020, 9:29am UTC](https://forum.inductiveautomation.com/t/feedback-after-using-post-service/33814 "2020-11-03T09:29:43Z")
Greetings. Is there any way to verify the HTTP POST action being carried out? url = “http://some-api-url.com/api” file = “path/to/some/file” system.net.httpClient().postAsync(url, file=file) For example, right after… --- ## [Perspective 8.0.15 Remove Spinbuttons on Numeric Entry Field](https://forum.inductiveautomation.com/t/perspective-8-0-15-remove-spinbuttons-on-numeric-entry-field/37440)
**Author:** [@michael2](https://forum.inductiveautomation.com/u/michael2)\ **Replies:** 2\ **Last updated:** [November 3, 2020, 4:15am UTC](https://forum.inductiveautomation.com/t/perspective-8-0-15-remove-spinbuttons-on-numeric-entry-field/37440 "2020-11-03T04:15:28Z")
Hi, is there any way to remove the spin buttons that show up on a numeric entry field when it is selected? --- ## [Continuous desconnections in Modbus RTU devices](https://forum.inductiveautomation.com/t/continuous-desconnections-in-modbus-rtu-devices/39963)
**Author:** [@rcortes](https://forum.inductiveautomation.com/u/rcortes)\ **Replies:** 15\ **Last updated:** [November 2, 2020, 10:33pm UTC](https://forum.inductiveautomation.com/t/continuous-desconnections-in-modbus-rtu-devices/39963 "2020-11-02T22:33:36Z")
Hi guys, I’m in the middle of a migration from Matrikon OPC to the Ignition OPC built-in the Gateway and I’m having connectivity problems with some of the devices. All the devices uses Modbus RTU to communicate with th… --- ## [Perspective XYChart is slow \[running named query\]](https://forum.inductiveautomation.com/t/perspective-xychart-is-slow-running-named-query/40219)
**Author:** [@arun1](https://forum.inductiveautomation.com/u/arun1)\ **Replies:** 0\ **Last updated:** [November 2, 2020, 8:12pm UTC](https://forum.inductiveautomation.com/t/perspective-xychart-is-slow-running-named-query/40219 "2020-11-02T20:12:16Z")
Ignition 8.1.0-rc3: Using 3 XYCharts in one view (Flex container), each running a Named Query on a local SQLExpress db (no polling) using 5 parameters passed (using custom properties) from the parent container into which… --- ## [Scripting to extract tag names used in a Perspective session?](https://forum.inductiveautomation.com/t/scripting-to-extract-tag-names-used-in-a-perspective-session/40218)
**Author:** [@RichardPriest](https://forum.inductiveautomation.com/u/RichardPriest)\ **Replies:** 0\ **Last updated:** [November 2, 2020, 8:01pm UTC](https://forum.inductiveautomation.com/t/scripting-to-extract-tag-names-used-in-a-perspective-session/40218 "2020-11-02T20:01:32Z")
Is there a way through scripting or other means to extract a listing of all tags referenced in a Perspective session or display? --- ## [Xopc alternatives](https://forum.inductiveautomation.com/t/xopc-alternatives/40217)
**Author:** [@pabaribrinda](https://forum.inductiveautomation.com/u/pabaribrinda)\ **Replies:** 2\ **Last updated:** [November 2, 2020, 7:44pm UTC](https://forum.inductiveautomation.com/t/xopc-alternatives/40217 "2020-11-02T19:44:43Z")
I am trying to upgrade a custom driver module in ‘device’ format and need some help in figuring out xopc dependency alternatives: In the old code, there is an overridden implementation of AbstractDriver.messageArrived m… --- ## [Passing different datatypes tp a named query](https://forum.inductiveautomation.com/t/passing-different-datatypes-tp-a-named-query/40067)
**Author:** [@steven.cox](https://forum.inductiveautomation.com/u/steven.cox)\ **Replies:** 32\ **Last updated:** [November 2, 2020, 6:10pm UTC](https://forum.inductiveautomation.com/t/passing-different-datatypes-tp-a-named-query/40067 "2020-11-02T18:10:57Z")
Hi all, This may be another newbie question, but I have not found a solution. I am setting up a power table to be able to edit entries in my database table using a named query. I have put this together. #Get the quer… --- ## [SQL select Query for report building](https://forum.inductiveautomation.com/t/sql-select-query-for-report-building/40183)
**Author:** [@andrewcorks](https://forum.inductiveautomation.com/u/andrewcorks)\ **Replies:** 3\ **Last updated:** [November 2, 2020, 6:00pm UTC](https://forum.inductiveautomation.com/t/sql-select-query-for-report-building/40183 "2020-11-02T18:00:44Z")
I have a table generated from transaction group tags that writes a new line in the table every time its triggered. I’m trying to build a report table that will list every row from the last 24hrs. I’ve tried several varia… --- ## [Gateway Startup Script not working](https://forum.inductiveautomation.com/t/gateway-startup-script-not-working/40175)
**Author:** [@Dmart](https://forum.inductiveautomation.com/u/Dmart)\ **Replies:** 2\ **Last updated:** [November 2, 2020, 5:41pm UTC](https://forum.inductiveautomation.com/t/gateway-startup-script-not-working/40175 "2020-11-02T17:41:51Z")
I have a Driven scan class setup for Configuration tags that rarely need to be scanned for changes. (Anyone familiar with the AB PlantPAX AOI’s knows there are a lot of cfg tags that don’t need to be scanned all the tim… --- ## [AuditManager Error](https://forum.inductiveautomation.com/t/auditmanager-error/40211)
**Author:** [@thomas.stevic](https://forum.inductiveautomation.com/u/thomas.stevic)\ **Replies:** 1\ **Last updated:** [November 2, 2020, 4:12pm UTC](https://forum.inductiveautomation.com/t/auditmanager-error/40211 "2020-11-02T16:12:07Z")
We have three engineers working on a project. I am trying to turn off the AuditManager so I do not continue to get this fault: Error getting audit profile for project: Acme\_TS\_Local I do not need any auditing so I dele… --- ## [Getting string data from tag path dynamically](https://forum.inductiveautomation.com/t/getting-string-data-from-tag-path-dynamically/40209)
**Author:** [@Gracefull](https://forum.inductiveautomation.com/u/Gracefull)\ **Replies:** 3\ **Last updated:** [November 2, 2020, 3:53pm UTC](https://forum.inductiveautomation.com/t/getting-string-data-from-tag-path-dynamically/40209 "2020-11-02T15:53:30Z")
I am looking to get part of my path name dynamically into a memory tag: My path: Area/LSD/Well/tagname If i use: left({PathToParentFolder},lastIndexOf({PathToParentFolder},"/")) I can get back : Area/LSD/Well/ Or If… --- ## [Limit the remote access to desinger & gateway config page](https://forum.inductiveautomation.com/t/limit-the-remote-access-to-desinger-gateway-config-page/40178)
**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Replies:** 3\ **Last updated:** [November 1, 2020, 7:28pm UTC](https://forum.inductiveautomation.com/t/limit-the-remote-access-to-desinger-gateway-config-page/40178 "2020-11-01T19:28:02Z")
Hi, When we open port 8088 or 443 to get remote access perspective web pages we also make possible remote access to the designer and gateway config pages. So if some one can get password he can easily go to config page … --- ## [Error when compiling SDK Example Perspective component with Gradle](https://forum.inductiveautomation.com/t/error-when-compiling-sdk-example-perspective-component-with-gradle/36080)
**Author:** [@pascal](https://forum.inductiveautomation.com/u/pascal)\ **Replies:** 3\ **Last updated:** [November 1, 2020, 6:12pm UTC](https://forum.inductiveautomation.com/t/error-when-compiling-sdk-example-perspective-component-with-gradle/36080 "2020-11-01T18:12:47Z")
Hi there, It is my first attemps to compile a module using Ignition SDK. I followed the requirements exposed on the SDK github page (GitHub - inductiveautomation/ignition-sdk-examples: Ignition SDK Example Projects). I… --- ## [SAXParseException while uploading a project](https://forum.inductiveautomation.com/t/saxparseexception-while-uploading-a-project/40189)
**Author:** [@Neo](https://forum.inductiveautomation.com/u/Neo)\ **Replies:** 2\ **Last updated:** [November 1, 2020, 9:06am UTC](https://forum.inductiveautomation.com/t/saxparseexception-while-uploading-a-project/40189 "2020-11-01T09:06:35Z")
I am getting SAXParseException while uploading the project in v7.9.14. I have Java 8 update 271 (64-bit) on my PC. There are 2 error entries in logs - Error parsing project file from project upload. and Error parsing pr… --- ## [How to call Find/Replace functionality in Python script](https://forum.inductiveautomation.com/t/how-to-call-find-replace-functionality-in-python-script/38240)
**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Replies:** 0\ **Last updated:** [September 1, 2020, 5:08am UTC](https://forum.inductiveautomation.com/t/how-to-call-find-replace-functionality-in-python-script/38240 "2020-09-01T05:08:21Z")
Hi, Is it possible to call Find/Replace functionality of designer in a python script? For example I want to find out in which view my tag is used. and when I find the location user navigate to that view. So if I can ca… --- ## [Navigation to a specific page when an alarm is clicked on](https://forum.inductiveautomation.com/t/navigation-to-a-specific-page-when-an-alarm-is-clicked-on/36686)
**Author:** [@hweidknecht1](https://forum.inductiveautomation.com/u/hweidknecht1)\ **Replies:** 2\ **Last updated:** [November 1, 2020, 8:11am UTC](https://forum.inductiveautomation.com/t/navigation-to-a-specific-page-when-an-alarm-is-clicked-on/36686 "2020-11-01T08:11:44Z")
We have been requested to be able to click on an alarm in the Alarm Summary, and go to a particular page associated with that alarm. Very useful to find where the alarm is associated. I thought that the “Display Path” … [Previous page](https://forum.inductiveautomation.com/latest.md?page=1271) [Next page](https://forum.inductiveautomation.com/latest.md?page=1273)