# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=1012 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1013 --- ## [Alarm on Master gateway unavailable](https://forum.inductiveautomation.com/t/alarm-on-master-gateway-unavailable/20523)
**Author:** [@ASF](https://forum.inductiveautomation.com/u/ASF)\ **Replies:** 1\ **Last updated:** [May 28, 2021, 3:21pm UTC](https://forum.inductiveautomation.com/t/alarm-on-master-gateway-unavailable/20523 "2021-05-28T15:21:21Z")
Hi all, Just set up a backup server for my Ignition project, and configured an alarm on the IsConnected tag of the backup server. So, if my backup server goes down, operators will get an alarm about it. I'd like to do … --- ## [Dynamic Tag ScanClasses](https://forum.inductiveautomation.com/t/dynamic-tag-scanclasses/46842)
**Author:** [@Clayton](https://forum.inductiveautomation.com/u/Clayton)\ **Replies:** 7\ **Last updated:** [May 28, 2021, 1:24pm UTC](https://forum.inductiveautomation.com/t/dynamic-tag-scanclasses/46842 "2021-05-28T13:24:52Z")
Has anyone explored the possibility of dynamically changing a tag’s scanclass? Initial use case would be something like “I need to scan this tag once every 10 seconds while it is being controlled by my running sequence, … --- ## [Scripting - UDT - Update memory StringArray](https://forum.inductiveautomation.com/t/scripting-udt-update-memory-stringarray/47168)
**Author:** [@luc.martin](https://forum.inductiveautomation.com/u/luc.martin)\ **Replies:** 2\ **Last updated:** [May 28, 2021, 12:58pm UTC](https://forum.inductiveautomation.com/t/scripting-udt-update-memory-stringarray/47168 "2021-05-28T12:58:59Z")
8.1.5 I try to modify an UDT, I have a memory tag inside with type of StringArray, i try to modify using this documentation system.tag.configure - Ignition User Manual 8.1 - Ignition Documentation (EDIT MULTIPLY TAGS) b… --- ## [Perspective table component selection prop has some strange behavior](https://forum.inductiveautomation.com/t/perspective-table-component-selection-prop-has-some-strange-behavior/47197)
**Author:** [@nick.christensen1](https://forum.inductiveautomation.com/u/nick.christensen1)\ **Replies:** 7\ **Last updated:** [May 28, 2021, 11:56am UTC](https://forum.inductiveautomation.com/t/perspective-table-component-selection-prop-has-some-strange-behavior/47197 "2021-05-28T11:56:21Z")
When you select multiple rows in a table, Perspective will populate props.selection.data with the data from the rows you selected. If you then click on a single row, it will populate props.selection.data with the data fo… --- ## [Migrating Data from Another Historian to Ignition](https://forum.inductiveautomation.com/t/migrating-data-from-another-historian-to-ignition/47219)
**Author:** [@larryjones](https://forum.inductiveautomation.com/u/larryjones)\ **Replies:** 1\ **Last updated:** [May 28, 2021, 12:00pm UTC](https://forum.inductiveautomation.com/t/migrating-data-from-another-historian-to-ignition/47219 "2021-05-28T12:00:47Z")
I’m trying migrate from another historian to Ignition. I need to copy the last 2 years of data from the other system to the Ignition historian. The other system provides an export utility that I can use to get tagnames… --- ## [Unable to ungroup a group](https://forum.inductiveautomation.com/t/unable-to-ungroup-a-group/47214)
**Author:** [@elijah.puga](https://forum.inductiveautomation.com/u/elijah.puga)\ **Replies:** 3\ **Last updated:** [May 28, 2021, 10:37am UTC](https://forum.inductiveautomation.com/t/unable-to-ungroup-a-group/47214 "2021-05-28T10:37:32Z")
I have a group on my window. I am trying to ungroup it but the option to ungroup is greyed out. Am I missing something? --- ## [Development architecture - best practices](https://forum.inductiveautomation.com/t/development-architecture-best-practices/47226)
**Author:** [@grzegorz.kaczmarczyk](https://forum.inductiveautomation.com/u/grzegorz.kaczmarczyk)\ **Replies:** 1\ **Last updated:** [May 28, 2021, 7:38am UTC](https://forum.inductiveautomation.com/t/development-architecture-best-practices/47226 "2021-05-28T07:38:58Z")
Hi, I am new to Ignition and I would like to know, what is the best approach in creating a good, simple development architecture. After a little brainstorm, I see two options: Two servers on clients site, where one i… --- ## [Perspective class library](https://forum.inductiveautomation.com/t/perspective-class-library/47225)
**Author:** [@Prem](https://forum.inductiveautomation.com/u/Prem)\ **Replies:** 0\ **Last updated:** [May 28, 2021, 6:59am UTC](https://forum.inductiveautomation.com/t/perspective-class-library/47225 "2021-05-28T06:59:45Z")
How to find the perspective class library? I want to access the methods and properties of type “ia.container.coord” --- ## [Perspective popUp at courser position](https://forum.inductiveautomation.com/t/perspective-popup-at-courser-position/47221)
**Author:** [@rajesh.dayala](https://forum.inductiveautomation.com/u/rajesh.dayala)\ **Replies:** 0\ **Last updated:** [May 28, 2021, 4:32am UTC](https://forum.inductiveautomation.com/t/perspective-popup-at-courser-position/47221 "2021-05-28T04:32:58Z")
Hi all, I am trying to open a popUp exactly at bottom of the mouse/Row click event on a table. I want to open it using scripting instead of using the “Popup actions” under “Organize Actions”. can some one please post … --- ## [\[BUG\] v8.1.5 Importing UDT instances without existing UDT definitions](https://forum.inductiveautomation.com/t/bug-v8-1-5-importing-udt-instances-without-existing-udt-definitions/47172)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [May 28, 2021, 12:48am UTC](https://forum.inductiveautomation.com/t/bug-v8-1-5-importing-udt-instances-without-existing-udt-definitions/47172 "2021-05-28T00:48:49Z")
In the changes from v7 to v8, a change was introduced where importing UDT instances that don’t have an existing UDT definition simply don’t import at all. What makes it worse is that if you import a single UDT instance, … --- ## [The maximum number of Cell Styles was exceeded](https://forum.inductiveautomation.com/t/the-maximum-number-of-cell-styles-was-exceeded/35409)
**Author:** [@kenny.tucker](https://forum.inductiveautomation.com/u/kenny.tucker)\ **Replies:** 3\ **Last updated:** [May 27, 2021, 11:03pm UTC](https://forum.inductiveautomation.com/t/the-maximum-number-of-cell-styles-was-exceeded/35409 "2021-05-27T23:03:51Z")
We converted Ignition from 7.9.12 to 8.0.11. In our project, we display a dataset that returns data based on date range. There is a script that is triggered based on mouseReleased that exports the dataset to a excel spre… --- ## [Perspective highlight option in Dropdown List](https://forum.inductiveautomation.com/t/perspective-highlight-option-in-dropdown-list/47210)
**Author:** [@bschroeder](https://forum.inductiveautomation.com/u/bschroeder)\ **Replies:** 0\ **Last updated:** [May 27, 2021, 9:32pm UTC](https://forum.inductiveautomation.com/t/perspective-highlight-option-in-dropdown-list/47210 "2021-05-27T21:32:48Z")
Is there a way to highlight/flag one of the options in a dropdown list? IE when the user click in the dropdown I’d like to be able to highlight one or more options based on a condition. Is this possible with CSS? --- ## [Airlink GX400 recieve sms acknowledgement](https://forum.inductiveautomation.com/t/airlink-gx400-recieve-sms-acknowledgement/10598)
**Author:** [@CamJam](https://forum.inductiveautomation.com/u/CamJam)\ **Replies:** 3\ **Last updated:** [May 27, 2021, 8:47pm UTC](https://forum.inductiveautomation.com/t/airlink-gx400-recieve-sms-acknowledgement/10598 "2021-05-27T20:47:32Z")
Hi, I have an Airlink GX400 and I know the GX400 isn’t specifically covered for Ignition and the LS300 is. I have a GX400 setup and sending SMS messages for Alarms by following the same setup as the LS300. Just wonder… --- ## [jsonGet() does not work with a tag path as a paramete](https://forum.inductiveautomation.com/t/jsonget-does-not-work-with-a-tag-path-as-a-paramete/47207)
**Author:** [@gahinz](https://forum.inductiveautomation.com/u/gahinz)\ **Replies:** 1\ **Last updated:** [May 27, 2021, 8:29pm UTC](https://forum.inductiveautomation.com/t/jsonget-does-not-work-with-a-tag-path-as-a-paramete/47207 "2021-05-27T20:29:25Z")
I am using an expression tag that executes the jsonGet function. I need to input a tag path that contains a json object for its value property as a parameter into the jsonGet function however, it returns null. For tes… --- ## [Power Chart wait cursor](https://forum.inductiveautomation.com/t/power-chart-wait-cursor/47204)
**Author:** [@chris.dimaria](https://forum.inductiveautomation.com/u/chris.dimaria)\ **Replies:** 0\ **Last updated:** [May 27, 2021, 6:11pm UTC](https://forum.inductiveautomation.com/t/power-chart-wait-cursor/47204 "2021-05-27T18:11:21Z")
I have a power chart which takes a considerable time to load tags when selected. I would like to change the cursor to a Wait cursor while waiting for a tag to load. On the pens property change I can change my cursor de… --- ## [\[BUG: IGN-2555\] Report Data Sources](https://forum.inductiveautomation.com/t/bug-ign-2555-report-data-sources/47038)
**Author:** [@ryoungk](https://forum.inductiveautomation.com/u/ryoungk)\ **Replies:** 7\ **Last updated:** [May 27, 2021, 6:10pm UTC](https://forum.inductiveautomation.com/t/bug-ign-2555-report-data-sources/47038 "2021-05-27T18:10:37Z")
When creating a Data Source for a report, it only shows two of the columns requested and renames the column. Any ideas? --- ## [Using system.tag.browse with relative path](https://forum.inductiveautomation.com/t/using-system-tag-browse-with-relative-path/47194)
**Author:** [@patrick.maltais](https://forum.inductiveautomation.com/u/patrick.maltais)\ **Replies:** 4\ **Last updated:** [May 27, 2021, 6:06pm UTC](https://forum.inductiveautomation.com/t/using-system-tag-browse-with-relative-path/47194 "2021-05-27T18:06:52Z")
Hi, I’m trying to browse a folder to find the tags configured in that folder. The script is executed in the Value Changed Event of a tag that is in an adjacent level from the path I wish to browse. BaseFolder -CtrlFol… --- ## [Perspective Workstation Upgrade Link](https://forum.inductiveautomation.com/t/perspective-workstation-upgrade-link/47199)
**Author:** [@jd1](https://forum.inductiveautomation.com/u/jd1)\ **Replies:** 1\ **Last updated:** [May 27, 2021, 5:05pm UTC](https://forum.inductiveautomation.com/t/perspective-workstation-upgrade-link/47199 "2021-05-27T17:05:48Z")
I upgraded to 8.1.6 yesterday. When I launch workstation it wants me to upgrade. The link that it provides to download the new version appears to be broken. --- ## [Where to find alarm cache file](https://forum.inductiveautomation.com/t/where-to-find-alarm-cache-file/47198)
**Author:** [@JayR](https://forum.inductiveautomation.com/u/JayR)\ **Replies:** 2\ **Last updated:** [May 27, 2021, 4:31pm UTC](https://forum.inductiveautomation.com/t/where-to-find-alarm-cache-file/47198 "2021-05-27T16:31:32Z")
Hi All, Good day! Hope you all doin’ well. Is anyone here knows where to locate the alarm cache file in install directory folder. What type of file is it? Thanks. -JR --- ## [How to choose Tag Group Rate and SQL Bridge Execution Schedule?](https://forum.inductiveautomation.com/t/how-to-choose-tag-group-rate-and-sql-bridge-execution-schedule/47188)
**Author:** [@sydney.bergeron](https://forum.inductiveautomation.com/u/sydney.bergeron)\ **Replies:** 2\ **Last updated:** [May 27, 2021, 3:03pm UTC](https://forum.inductiveautomation.com/t/how-to-choose-tag-group-rate-and-sql-bridge-execution-schedule/47188 "2021-05-27T15:03:30Z")
I am looking into creating some UDTs to be used in SQL bridge (to streamline the process of adding any new machine to our data collection projects). I have only ever used OPC Items in a transaction group, so the rate at… --- ## [In a Query tag, how to use an expression to active the alarm](https://forum.inductiveautomation.com/t/in-a-query-tag-how-to-use-an-expression-to-active-the-alarm/46227)
**Author:** [@Michael.Usry](https://forum.inductiveautomation.com/u/Michael.Usry)\ **Replies:** 8\ **Last updated:** [May 26, 2021, 11:11pm UTC](https://forum.inductiveautomation.com/t/in-a-query-tag-how-to-use-an-expression-to-active-the-alarm/46227 "2021-05-26T23:11:47Z")
I have a query looking for a value from mySQL. In this case It’s “Heartbeat Failure”. In my Alarm Mode Settings I have Mode: Equal but the setpoint has caused me headaches. I’ve used {\[.\]ascada\_host\_cleanup.value} = “… --- ## [\[Question\] How to create NxN Dataset (or array) of an OPC UDT?](https://forum.inductiveautomation.com/t/question-how-to-create-nxn-dataset-or-array-of-an-opc-udt/47077)
**Author:** [@edward.fowler](https://forum.inductiveautomation.com/u/edward.fowler)\ **Replies:** 2\ **Last updated:** [May 26, 2021, 10:37pm UTC](https://forum.inductiveautomation.com/t/question-how-to-create-nxn-dataset-or-array-of-an-opc-udt/47077 "2021-05-26T22:37:40Z")
I have a UDT in my S7-1500 CPU and an NxN array instance (square matrix) of it in a global data block (this is the configuration in the data block: myPlcMatrix, Array\[1…3, 1…3\] of “myUdt”). I have an OPC UDT definition… --- ## [OPC server address](https://forum.inductiveautomation.com/t/opc-server-address/47171)
**Author:** [@john.eichler](https://forum.inductiveautomation.com/u/john.eichler)\ **Replies:** 0\ **Last updated:** [May 26, 2021, 10:21pm UTC](https://forum.inductiveautomation.com/t/opc-server-address/47171 "2021-05-26T22:21:32Z")
Ignition 8.1 Hi All I am reading data from several OPC servers (Siemens S7-1200 PLCs) into ignition. I would like to display the device name, status and IP address for these OPC servers on a “network device status” pag… --- ## [Understanding OPC Scan Time vs Execution Time](https://forum.inductiveautomation.com/t/understanding-opc-scan-time-vs-execution-time/47109)
**Author:** [@rbachman](https://forum.inductiveautomation.com/u/rbachman)\ **Replies:** 8\ **Last updated:** [May 26, 2021, 9:19pm UTC](https://forum.inductiveautomation.com/t/understanding-opc-scan-time-vs-execution-time/47109 "2021-05-26T21:19:22Z")
We have logic on the PLC that requires a particular data tag with a unique serial number (USN) to be populated before a separate BOOL tag (DataRequest) will be turned on. When Ignition sees DataRequest turned on, it read… --- ## [Use report Parameter in a report script](https://forum.inductiveautomation.com/t/use-report-parameter-in-a-report-script/47166)
**Author:** [@NM1](https://forum.inductiveautomation.com/u/NM1)\ **Replies:** 1\ **Last updated:** [May 26, 2021, 8:34pm UTC](https://forum.inductiveautomation.com/t/use-report-parameter-in-a-report-script/47166 "2021-05-26T20:34:28Z")
Hi, Is there a way I can use report params inside a script? --- ## [Send a test message to a Notification Pipeline via Python](https://forum.inductiveautomation.com/t/send-a-test-message-to-a-notification-pipeline-via-python/47117)
**Author:** [@dpitzer](https://forum.inductiveautomation.com/u/dpitzer)\ **Replies:** 2\ **Last updated:** [May 26, 2021, 7:51pm UTC](https://forum.inductiveautomation.com/t/send-a-test-message-to-a-notification-pipeline-via-python/47117 "2021-05-26T19:51:39Z")
Is there a way to manually send an event to a notification pipeline from within a python script? I am basically looking for a programmatic way to test a pipeline similar to how you can test one from the gateway webpage. --- ## [View configure permissions](https://forum.inductiveautomation.com/t/view-configure-permissions/47159)
**Author:** [@zacharyw.larson](https://forum.inductiveautomation.com/u/zacharyw.larson)\ **Replies:** 0\ **Last updated:** [May 26, 2021, 6:47pm UTC](https://forum.inductiveautomation.com/t/view-configure-permissions/47159 "2021-05-26T18:47:30Z")
When I right click my view, I do not have the configure view permissions option. Does that mean I don’t have the permission to set that, or is my version of Ignition older? I have 8.1 active I believe. I was not full… --- ## [Need help importing a custom font into Perspective](https://forum.inductiveautomation.com/t/need-help-importing-a-custom-font-into-perspective/47160)
**Author:** [@vidur.p](https://forum.inductiveautomation.com/u/vidur.p)\ **Replies:** 0\ **Last updated:** [May 26, 2021, 6:48pm UTC](https://forum.inductiveautomation.com/t/need-help-importing-a-custom-font-into-perspective/47160 "2021-05-26T18:48:43Z")
I’m working on an Ignition project and I’d like to import a custom font(Poppins) into a style class and use them throughout the application. There was a question in 2019 on “how to embed fonts” but none of those methods … --- ## [Image Based Barcode Scanner](https://forum.inductiveautomation.com/t/image-based-barcode-scanner/47156)
**Author:** [@micah.hastings](https://forum.inductiveautomation.com/u/micah.hastings)\ **Replies:** 3\ **Last updated:** [May 26, 2021, 6:35pm UTC](https://forum.inductiveautomation.com/t/image-based-barcode-scanner/47156 "2021-05-26T18:35:58Z")
I have a program that has been running now for about 9 years using VB.net and an SDK called Vintasoft Barcode in order to scan barcodes using an AXIS IP Camera. While it has worked great for these years, it is an extreme… --- ## [Problems sending e-mail](https://forum.inductiveautomation.com/t/problems-sending-e-mail/9976)
**Author:** [@yiyoqman](https://forum.inductiveautomation.com/u/yiyoqman)\ **Replies:** 3\ **Last updated:** [May 26, 2021, 5:29pm UTC](https://forum.inductiveautomation.com/t/problems-sending-e-mail/9976 "2021-05-26T17:29:10Z")
Hello this is my first time trying to send an automatic E-mail throught Ignition client. Mi IT department told me this datas: SMTP Server : mail.kcc.com my account sender is: M32133@kcc.com So I´m trying with this… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1011) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1013)