# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=942 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 943 --- ## [Derived Tag Source Change - Storing History](https://forum.inductiveautomation.com/t/derived-tag-source-change-storing-history/52281)
**Author:** [@james.beeley](https://forum.inductiveautomation.com/u/james.beeley)\ **Replies:** 2\ **Last updated:** [October 25, 2021, 11:27pm UTC](https://forum.inductiveautomation.com/t/derived-tag-source-change-storing-history/52281 "2021-10-25T23:27:52Z")
Good afternoon, https://docs.inductiveautomation.com/display/DOC81/Types+of+Tags In this section of the manual, there’s a subsection titled “Changing the Source”. When I run this script on my script console, tag histor… --- ## [Returning lists of arguments for bound methods](https://forum.inductiveautomation.com/t/returning-lists-of-arguments-for-bound-methods/52040)
**Author:** [@seano](https://forum.inductiveautomation.com/u/seano)\ **Replies:** 6\ **Last updated:** [October 25, 2021, 8:26pm UTC](https://forum.inductiveautomation.com/t/returning-lists-of-arguments-for-bound-methods/52040 "2021-10-25T20:26:50Z")
Hi, this is a follow on and generalisation from the discussion at Power Table header height If I want to interrogate a Vision component and find out how to do things with it that aren't documented, very often it's usefu… --- ## [Query parameters update](https://forum.inductiveautomation.com/t/query-parameters-update/52309)
**Author:** [@laurie.croteau](https://forum.inductiveautomation.com/u/laurie.croteau)\ **Replies:** 7\ **Last updated:** [October 25, 2021, 7:23pm UTC](https://forum.inductiveautomation.com/t/query-parameters-update/52309 "2021-10-25T19:23:40Z")
I have create a named querie to put in a table in a report. I’m passing in parameters values of important tags to put into the report. The basic value of those is 0. I’m trying to update data so my report will show v… --- ## [Active alarms from journal tables](https://forum.inductiveautomation.com/t/active-alarms-from-journal-tables/25232)
**Author:** [@f.pinciaroli](https://forum.inductiveautomation.com/u/f.pinciaroli)\ **Replies:** 2\ **Last updated:** [October 25, 2021, 4:49pm UTC](https://forum.inductiveautomation.com/t/active-alarms-from-journal-tables/25232 "2021-10-25T16:49:36Z")
Hello, Is there a way to select active alarms from journal tables (alarm\_event\_data & alarm\_events) in DB? I would like to get the same data returned by system.alarm.getStatus(). Thanks, Federico. --- ## [OPC-UA Connection to Siemens 840D sl Control Failing](https://forum.inductiveautomation.com/t/opc-ua-connection-to-siemens-840d-sl-control-failing/52297)
**Author:** [@Ahiero](https://forum.inductiveautomation.com/u/Ahiero)\ **Replies:** 5\ **Last updated:** [October 25, 2021, 4:29pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-to-siemens-840d-sl-control-failing/52297 "2021-10-25T16:29:05Z")
I am connecting to a Siemens 840D sl OPC-UA server to multiple instances of Ignition: prod, test, and dev all of which are VMs. I have configured the time on the HMI and have connected from the Prod & Test servers with … --- ## [Reading char array from Siemens PLCs and assigning it as a string or char array](https://forum.inductiveautomation.com/t/reading-char-array-from-siemens-plcs-and-assigning-it-as-a-string-or-char-array/43350)
**Author:** [@turgutisa](https://forum.inductiveautomation.com/u/turgutisa)\ **Replies:** 11\ **Last updated:** [October 25, 2021, 4:23pm UTC](https://forum.inductiveautomation.com/t/reading-char-array-from-siemens-plcs-and-assigning-it-as-a-string-or-char-array/43350 "2021-10-25T16:23:36Z")
I want read char array as a string or as an array of char in ignition. For now I can not do it with 1 line code. I have to do it by reading chars as byte per byte then convert them and come together etc. so it is huge jo… --- ## [Siemens S7-1500 FC addressing](https://forum.inductiveautomation.com/t/siemens-s7-1500-fc-addressing/52301)
**Author:** [@mjohnson0238](https://forum.inductiveautomation.com/u/mjohnson0238)\ **Replies:** 6\ **Last updated:** [October 25, 2021, 4:02pm UTC](https://forum.inductiveautomation.com/t/siemens-s7-1500-fc-addressing/52301 "2021-10-25T16:02:26Z")
Good day, Ive looked in the use manual and did not see and addressing to monitor an FC from Siemens TIA 15. The bit is a boolean value so I thought the address would have been like this: \[M08 3B Conveyor\]FC5,X5.2 . Can i… --- ## [Profiling python scripts](https://forum.inductiveautomation.com/t/profiling-python-scripts/52268)
**Author:** [@justin.brzozoski](https://forum.inductiveautomation.com/u/justin.brzozoski)\ **Replies:** 5\ **Last updated:** [October 25, 2021, 3:59pm UTC](https://forum.inductiveautomation.com/t/profiling-python-scripts/52268 "2021-10-25T15:59:22Z")
I’ve been trying to profile bits of our Python scripting with the goal of learning what’s slowing it down. (Hint: It almost always ends up being an excessive number of tag interactions that we forgot about or didn’t real… --- ## [Passing in (how to use) tag address value for Control/Indicator values - Momentary button on template](https://forum.inductiveautomation.com/t/passing-in-how-to-use-tag-address-value-for-control-indicator-values-momentary-button-on-template/52298)
**Author:** [@jeff.ryan](https://forum.inductiveautomation.com/u/jeff.ryan)\ **Replies:** 4\ **Last updated:** [October 25, 2021, 2:38pm UTC](https://forum.inductiveautomation.com/t/passing-in-how-to-use-tag-address-value-for-control-indicator-values-momentary-button-on-template/52298 "2021-10-25T14:38:24Z")
I want a momentary button as a template, that will ultimately show different backgrounds for two different states. This problem is about the variable control and indicator values. I need to pass in the (PLC) tag addres… --- ## [Slow read/write requests when the connection to siemens PLC is via an external ethernet card](https://forum.inductiveautomation.com/t/slow-read-write-requests-when-the-connection-to-siemens-plc-is-via-an-external-ethernet-card/18464)
**Author:** [@andrea.minu](https://forum.inductiveautomation.com/u/andrea.minu)\ **Replies:** 9\ **Last updated:** [October 25, 2021, 12:39pm UTC](https://forum.inductiveautomation.com/t/slow-read-write-requests-when-the-connection-to-siemens-plc-is-via-an-external-ethernet-card/18464 "2021-10-25T12:39:43Z")
Hello everyone, I have a strange performance issue when I connect Ignition to Siemens PLC The PLC has not an enbedded ethernet port on the CPU , but has a ethernet card ( the CPU is S7 300 315-2AG10-0AB0 ) I defi… --- ## [Printing report with a button](https://forum.inductiveautomation.com/t/printing-report-with-a-button/3021)
**Author:** [@lcs226](https://forum.inductiveautomation.com/u/lcs226)\ **Replies:** 12\ **Last updated:** [October 25, 2021, 11:50am UTC](https://forum.inductiveautomation.com/t/printing-report-with-a-button/3021 "2021-10-25T11:50:21Z")
Hello All; As a new user to Ignition, I am still trying to wrap my head around things. I am trying to print a report with the use of a button on the screen. I found that a right click over the report will allow you to … --- ## [Boolean array in S7-1500](https://forum.inductiveautomation.com/t/boolean-array-in-s7-1500/52290)
**Author:** [@grzegorz.kaczmarczyk](https://forum.inductiveautomation.com/u/grzegorz.kaczmarczyk)\ **Replies:** 1\ **Last updated:** [October 25, 2021, 11:09am UTC](https://forum.inductiveautomation.com/t/boolean-array-in-s7-1500/52290 "2021-10-25T11:09:29Z")
Hi everyone! Does Ignition supports Boolean Array data type for s7-1500 driver? --- ## [\[FEATURE\] Perspective - Input - inputmode attribute](https://forum.inductiveautomation.com/t/feature-perspective-input-inputmode-attribute/52282)
**Author:** [@michal.koblasa](https://forum.inductiveautomation.com/u/michal.koblasa)\ **Replies:** 4\ **Last updated:** [October 25, 2021, 7:44am UTC](https://forum.inductiveautomation.com/t/feature-perspective-input-inputmode-attribute/52282 "2021-10-25T07:44:07Z")
Dear Ignitioners, I need to set inputmode attribute for tag Input (Text field or Numeric input field). It is very needed to control, which mobile keyboard is shown for each input in the perspective module (numeric or t… --- ## [font.deriveFont problem](https://forum.inductiveautomation.com/t/font-derivefont-problem/52270)
**Author:** [@Aiasa21](https://forum.inductiveautomation.com/u/Aiasa21)\ **Replies:** 5\ **Last updated:** [October 24, 2021, 3:45pm UTC](https://forum.inductiveautomation.com/t/font-derivefont-problem/52270 "2021-10-24T15:45:45Z")
Good morning! I’m struggling to make work a simple font size change via scripting of a numeric label. I create I template where I count the actual active alarms and according to the totalizer I change the font size. I… --- ## [Problem calling system.gui from app script](https://forum.inductiveautomation.com/t/problem-calling-system-gui-from-app-script/7415)
**Author:** [@Brett\_Yeomans](https://forum.inductiveautomation.com/u/Brett_Yeomans)\ **Replies:** 5\ **Last updated:** [October 24, 2021, 4:26pm UTC](https://forum.inductiveautomation.com/t/problem-calling-system-gui-from-app-script/7415 "2021-10-24T16:26:29Z")
I have a gateway script which calls an app script. The app script works fine UNTIL I try to put this code in it: system.gui.messageBox("Test") In the wrapper log it says File "\ **Author:** [@hewking32](https://forum.inductiveautomation.com/u/hewking32)\ **Replies:** 8\ **Last updated:** [October 23, 2021, 6:22pm UTC](https://forum.inductiveautomation.com/t/how-things-work-compiled-vs-interpreted/52272 "2021-10-23T18:22:52Z") Could you please help me to understand why ignition has to be interpreted while running rather than compiled. What are fundamental reasons for compiling not being possible? Regards --- ## [Dynamic Custom Property Path](https://forum.inductiveautomation.com/t/dynamic-custom-property-path/52267)
**Author:** [@hcrowe](https://forum.inductiveautomation.com/u/hcrowe)\ **Replies:** 3\ **Last updated:** [October 23, 2021, 4:48pm UTC](https://forum.inductiveautomation.com/t/dynamic-custom-property-path/52267 "2021-10-23T16:48:06Z")
Hello I am fairly new to ignition and the scripting language. I have a project I am working on which involves a template with 45 custom properties I need to write values from an excel file. I’m using the mousePressed eve… --- ## [OPC tag decimal](https://forum.inductiveautomation.com/t/opc-tag-decimal/52263)
**Author:** [@antonio.sanchez](https://forum.inductiveautomation.com/u/antonio.sanchez)\ **Replies:** 0\ **Last updated:** [October 22, 2021, 10:11pm UTC](https://forum.inductiveautomation.com/t/opc-tag-decimal/52263 "2021-10-22T22:11:08Z")
Hello to all I have a PLC variable of type Short , which I am using an OPC Tag of type Float and I am passing this information to a TextField component. But it shows me an integer and the PLC variable contains a decima… --- ## [Rotating objects in templates migrate off screen in designer?](https://forum.inductiveautomation.com/t/rotating-objects-in-templates-migrate-off-screen-in-designer/52258)
**Author:** [@AIO](https://forum.inductiveautomation.com/u/AIO)\ **Replies:** 4\ **Last updated:** [October 22, 2021, 9:43pm UTC](https://forum.inductiveautomation.com/t/rotating-objects-in-templates-migrate-off-screen-in-designer/52258 "2021-10-22T21:43:36Z")
Hi all, Ignition 7.9 This isn’t my first time encountering this issue, and I’ve mostly shrugged it off, as it doesn’t seem to affect the client, but I finally decided to inquire. Conditions: Stack multiple rotating … --- ## [Request - add aggregationMode = "FirstValue" for system.tag.queryTagHistory](https://forum.inductiveautomation.com/t/request-add-aggregationmode-firstvalue-for-system-tag-querytaghistory/52089)
**Author:** [@jespinmartin1](https://forum.inductiveautomation.com/u/jespinmartin1)\ **Replies:** 3\ **Last updated:** [October 22, 2021, 7:19pm UTC](https://forum.inductiveautomation.com/t/request-add-aggregationmode-firstvalue-for-system-tag-querytaghistory/52089 "2021-10-22T19:19:22Z")
Hi IA. I know there is a request/ideas link but lost it. Anyways. I’m working with system.tag.queryTagHistory using interval windows mostly. I wish to bring the first value on a time window but reading the documentatio… --- ## [Config page Internal error after upgrading to 8.1.11](https://forum.inductiveautomation.com/t/config-page-internal-error-after-upgrading-to-8-1-11/52248)
**Author:** [@kcabatic](https://forum.inductiveautomation.com/u/kcabatic)\ **Replies:** 2\ **Last updated:** [October 22, 2021, 4:58pm UTC](https://forum.inductiveautomation.com/t/config-page-internal-error-after-upgrading-to-8-1-11/52248 "2021-10-22T16:58:03Z")
Hi, We are testing 8.1.11 on our servers. And after completing the upgrade the MQTT Transmission server page does not load anymore. It returns a ‘Internal error’ org.apache.wicket.WicketRuntimeException: Error attachin… --- ## [How to save column configuration in Alarm Status Table](https://forum.inductiveautomation.com/t/how-to-save-column-configuration-in-alarm-status-table/41102)
**Author:** [@jgunnoe](https://forum.inductiveautomation.com/u/jgunnoe)\ **Replies:** 5\ **Last updated:** [October 22, 2021, 3:52pm UTC](https://forum.inductiveautomation.com/t/how-to-save-column-configuration-in-alarm-status-table/41102 "2021-10-22T15:52:47Z")
Is there a way to save column configuration in Alarm Status Table? Every time the project is updated the Alarm Status Table reverts back to the default columns. --- ## [\[Bug\] Project Browser not expanding via Recently Modified Views](https://forum.inductiveautomation.com/t/bug-project-browser-not-expanding-via-recently-modified-views/52240)
**Author:** [@Davide3i](https://forum.inductiveautomation.com/u/Davide3i)\ **Replies:** 1\ **Last updated:** [October 22, 2021, 3:39pm UTC](https://forum.inductiveautomation.com/t/bug-project-browser-not-expanding-via-recently-modified-views/52240 "2021-10-22T15:39:55Z")
I’m on Perspective version 8.1.5 As per title, the Project Browser doesn’t expand to the selected component if a view has been opened through the Recently Modified Views bar. This issue is present only when a new Design… --- ## [DB Transaction Timeouts](https://forum.inductiveautomation.com/t/db-transaction-timeouts/14665)
**Author:** [@ryanjmclaughlin](https://forum.inductiveautomation.com/u/ryanjmclaughlin)\ **Replies:** 6\ **Last updated:** [October 22, 2021, 2:08pm UTC](https://forum.inductiveautomation.com/t/db-transaction-timeouts/14665 "2021-10-22T14:08:34Z")
how can I find the source of DB Txn timeouts? I am getting a lot of timeouts but the gateway does not seem to show me the source… --- ## [Script Error:-system.db.runPrepUpdate Cant connect to different database than to project default database?](https://forum.inductiveautomation.com/t/script-error-system-db-runprepupdate-cant-connect-to-different-database-than-to-project-default-database/25135)
**Author:** [@shibubalaji](https://forum.inductiveautomation.com/u/shibubalaji)\ **Replies:** 10\ **Last updated:** [October 22, 2021, 2:05pm UTC](https://forum.inductiveautomation.com/t/script-error-system-db-runprepupdate-cant-connect-to-different-database-than-to-project-default-database/25135 "2021-10-22T14:05:31Z")
Can any one help me to understand the syntax error that i am using in this script Action performed Execution error that the ignitionhistorydb.prddp' doesn't exist database connection named as db and connected URL to da… --- ## [Read and write from different addresses](https://forum.inductiveautomation.com/t/read-and-write-from-different-addresses/52245)
**Author:** [@spm](https://forum.inductiveautomation.com/u/spm)\ **Replies:** 2\ **Last updated:** [October 22, 2021, 1:40pm UTC](https://forum.inductiveautomation.com/t/read-and-write-from-different-addresses/52245 "2021-10-22T13:40:31Z")
Hello, I am using Modbus RTU over TCP through the OPC interface of course. I cannot see an easy way to setup reading from one address and writing to another. The only thing I found was using the OPC tag write and putt… --- ## [Httpclient issue with tls](https://forum.inductiveautomation.com/t/httpclient-issue-with-tls/52209)
**Author:** [@andy1](https://forum.inductiveautomation.com/u/andy1)\ **Replies:** 9\ **Last updated:** [October 22, 2021, 12:41pm UTC](https://forum.inductiveautomation.com/t/httpclient-issue-with-tls/52209 "2021-10-22T12:41:10Z")
Hi - I’m trying to use httpClient for the first time - but am getting an ‘unable to post’ error. And I think it’s related to an out of date TLS protocol. I am trying bypass\_cert\_validation, but am still getting the er… --- ## [Memory Tag Issue - V7.9.8](https://forum.inductiveautomation.com/t/memory-tag-issue-v7-9-8/52236)
**Author:** [@Mike\_Hodgson](https://forum.inductiveautomation.com/u/Mike_Hodgson)\ **Replies:** 1\ **Last updated:** [October 22, 2021, 12:36pm UTC](https://forum.inductiveautomation.com/t/memory-tag-issue-v7-9-8/52236 "2021-10-22T12:36:25Z")
I have a rare issue where a memory tag isn’t being updated on a client. We have a popup that has 6 dropdowns relating to recipe names currently selected. Each dropdowns ‘data’ property is set to an SQL query to obtain … --- ## [Unable to Configure Vision Client Launcher - "No Launchable Vision Projects Available"](https://forum.inductiveautomation.com/t/unable-to-configure-vision-client-launcher-no-launchable-vision-projects-available/52233)
**Author:** [@nikunj.pipariya](https://forum.inductiveautomation.com/u/nikunj.pipariya)\ **Replies:** 1\ **Last updated:** [October 22, 2021, 12:33pm UTC](https://forum.inductiveautomation.com/t/unable-to-configure-vision-client-launcher-no-launchable-vision-projects-available/52233 "2021-10-22T12:33:05Z")
I am trying to configure the client server after completing my project but unable to open in client launcher. Please share some ideas on how to configure as it urgent for me. --- ## [Using the Alarm Roster Management component in a frontend/backend split](https://forum.inductiveautomation.com/t/using-the-alarm-roster-management-component-in-a-frontend-backend-split/52232)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 1\ **Last updated:** [October 22, 2021, 12:29pm UTC](https://forum.inductiveautomation.com/t/using-the-alarm-roster-management-component-in-a-frontend-backend-split/52232 "2021-10-22T12:29:55Z")
I’ve recently split a production gateway up into frontend / backend gateways, where the frontend only has Vision, Perspective, Tag History (client only), and the Vision web browser modules. The Backend has everything els… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=941) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=943)