# Latest **URL:** https://forum.inductiveautomation.com/latest.md?page=1512 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1513 --- ## [What's the maximum no. of MQTT client can be managed through Ignition](https://forum.inductiveautomation.com/t/whats-the-maximum-no-of-mqtt-client-can-be-managed-through-ignition/25343)
**Author:** [@tamerplc](https://forum.inductiveautomation.com/u/tamerplc)\ **Replies:** 6\ **Last updated:** [May 30, 2019, 5:32am UTC](https://forum.inductiveautomation.com/t/whats-the-maximum-no-of-mqtt-client-can-be-managed-through-ignition/25343 "2019-05-30T05:32:35Z")
What’s the maximum no of MQTT client which ignition can be managed? Means, what’s the maximum no of MQTT client can be managed through ignition broker?? --- ## [Ignition 8 courses](https://forum.inductiveautomation.com/t/ignition-8-courses/25391)
**Author:** [@MrPeter](https://forum.inductiveautomation.com/u/MrPeter)\ **Replies:** 2\ **Last updated:** [May 30, 2019, 5:02am UTC](https://forum.inductiveautomation.com/t/ignition-8-courses/25391 "2019-05-30T05:02:50Z")
Hi! When ignition 8 courses will appear ? Thanks ! Best regards ! --- ## [\[BUG\] system.opcua.callMethod not found](https://forum.inductiveautomation.com/t/bug-system-opcua-callmethod-not-found/25421)
**Author:** [@joshdunstan](https://forum.inductiveautomation.com/u/joshdunstan)\ **Replies:** 2\ **Last updated:** [May 30, 2019, 3:20am UTC](https://forum.inductiveautomation.com/t/bug-system-opcua-callmethod-not-found/25421 "2019-05-30T03:20:48Z")
Running the latest nightly build. Traceback (most recent call last): File "\", line 2, in \ AttributeError: 'com.inductiveautomation.ignition.designer.gui.tool' object has no attribute 'opcua' Using the… --- ## [JDBC Driver for Email(Gmail)](https://forum.inductiveautomation.com/t/jdbc-driver-for-email-gmail/25419)
**Author:** [@djones](https://forum.inductiveautomation.com/u/djones)\ **Replies:** 0\ **Last updated:** [May 29, 2019, 11:23pm UTC](https://forum.inductiveautomation.com/t/jdbc-driver-for-email-gmail/25419 "2019-05-29T23:23:23Z")
Has anyone ever used a JDBC Driver for Email (GMAIL) with Ignition? I have an application that needs to monitor an email inbox and potentially respond. The email bit is to capture equipment related questions and archive… --- ## [Wget from Linux Server gives 403 forbidden on stable Ignition download](https://forum.inductiveautomation.com/t/wget-from-linux-server-gives-403-forbidden-on-stable-ignition-download/25411)
**Author:** [@mitchell-ACS](https://forum.inductiveautomation.com/u/mitchell-ACS)\ **Replies:** 2\ **Last updated:** [May 29, 2019, 8:41pm UTC](https://forum.inductiveautomation.com/t/wget-from-linux-server-gives-403-forbidden-on-stable-ignition-download/25411 "2019-05-29T20:41:00Z")
I am trying to download the linux installer to my VM but using the wget command just results in the following error: wget https://files.inductiveautomation.com/release/ia/build8.0.2- rc1/20190520-1636/Ignition-8.0.2-rc1… --- ## [Indexes to improve database performance](https://forum.inductiveautomation.com/t/indexes-to-improve-database-performance/25246)
**Author:** [@rdelasheras](https://forum.inductiveautomation.com/u/rdelasheras)\ **Replies:** 4\ **Last updated:** [May 29, 2019, 7:49pm UTC](https://forum.inductiveautomation.com/t/indexes-to-improve-database-performance/25246 "2019-05-29T19:49:53Z")
Hello. I started to work with a Scada with 27000 tags, that saves them to historian each second. It creates tables of about 20Gb of data and 29Gb timestamp index, for each day. It uses PostgreSql. I have to do a script… --- ## [Populate Perspective-Dropdown](https://forum.inductiveautomation.com/t/populate-perspective-dropdown/25336)
**Author:** [@Matthew.Duong](https://forum.inductiveautomation.com/u/Matthew.Duong)\ **Replies:** 2\ **Last updated:** [May 29, 2019, 6:47pm UTC](https://forum.inductiveautomation.com/t/populate-perspective-dropdown/25336 "2019-05-29T18:47:56Z")
Hi, I am using 8.0.1 perspective module and trying to populate a dropdown. I’ve notice that options is a dictionary with keys inside of a list. So doing this works: dropdownNode = self.getSibling("DropdownNode").props.… --- ## [Find paths of all tags in default provider](https://forum.inductiveautomation.com/t/find-paths-of-all-tags-in-default-provider/25293)
**Author:** [@fyousuf](https://forum.inductiveautomation.com/u/fyousuf)\ **Replies:** 12\ **Last updated:** [May 29, 2019, 4:57pm UTC](https://forum.inductiveautomation.com/t/find-paths-of-all-tags-in-default-provider/25293 "2019-05-29T16:57:09Z")
I’m attempting to read all tags in the gateway from the default provider and copy those to a database. I’m able to do so if I hard-code each tagpath using TagPathParser.parse(“string path”) , but is what is the way to d… --- ## [Remote Tag Provider Alarms from Ignition Edge](https://forum.inductiveautomation.com/t/remote-tag-provider-alarms-from-ignition-edge/18976)
**Author:** [@will](https://forum.inductiveautomation.com/u/will)\ **Replies:** 1\ **Last updated:** [May 29, 2019, 4:46pm UTC](https://forum.inductiveautomation.com/t/remote-tag-provider-alarms-from-ignition-edge/18976 "2019-05-29T16:46:27Z")
I am using Ignition 7.9.7 on 1x Edge Gateway and 1x Main Gateway. I would like to trigger an alarm from the Edge Gateway on one of its own tags (the Remote Tag Provider) and handle the alarm in the Main Gateway Alarm N… --- ## [Custom Tag Security - Default Access Setting](https://forum.inductiveautomation.com/t/custom-tag-security-default-access-setting/25408)
**Author:** [@paul.bouillon](https://forum.inductiveautomation.com/u/paul.bouillon)\ **Replies:** 0\ **Last updated:** [May 29, 2019, 4:21pm UTC](https://forum.inductiveautomation.com/t/custom-tag-security-default-access-setting/25408 "2019-05-29T16:21:01Z")
Hello All, Was wondering if there is a way to define a default security policy on tags with custom security enabled – e.g. if the current user does not mach any of the roles defined in the “custom permissions” table: … --- ## [\[BUG-13545\] Map markers iOS](https://forum.inductiveautomation.com/t/bug-13545-map-markers-ios/23752)
**Author:** [@andrea.morando](https://forum.inductiveautomation.com/u/andrea.morando)\ **Replies:** 4\ **Last updated:** [May 29, 2019, 3:59pm UTC](https://forum.inductiveautomation.com/t/bug-13545-map-markers-ios/23752 "2019-05-29T15:59:22Z")
Dear all, I am currently using build b2019032708. I visualize in a Map component some markers. In any chromium-based browsers they are correctly displayed, instead on a Safari browser they disappear. Which could be t… --- ## [What's the need for a PC-based PLC?](https://forum.inductiveautomation.com/t/whats-the-need-for-a-pc-based-plc/25400)
**Author:** [@rpulsifer](https://forum.inductiveautomation.com/u/rpulsifer)\ **Replies:** 6\ **Last updated:** [May 29, 2019, 3:33pm UTC](https://forum.inductiveautomation.com/t/whats-the-need-for-a-pc-based-plc/25400 "2019-05-29T15:33:58Z")
We have a process with a very simple control algorithm and a non-deterministic scan time that doesn’t need to be any faster than once every 15 minutes. I’ve been a proponent of using “real” plc’s my whole career (I’m old… --- ## [Advice on setting up replication?](https://forum.inductiveautomation.com/t/advice-on-setting-up-replication/4866)
**Author:** [@AlexW](https://forum.inductiveautomation.com/u/AlexW)\ **Replies:** 4\ **Last updated:** [May 29, 2019, 2:51pm UTC](https://forum.inductiveautomation.com/t/advice-on-setting-up-replication/4866 "2019-05-29T14:51:43Z")
Hi, We're running the 'mission critical' setup here and recently lost our primary server. This would not be a problem except that our database (SQL Server) also resides on this server so clients were without trending … --- ## [Does Python scripting knowledge is essential to work in Ignition?](https://forum.inductiveautomation.com/t/does-python-scripting-knowledge-is-essential-to-work-in-ignition/25281)
**Author:** [@karthikeyan](https://forum.inductiveautomation.com/u/karthikeyan)\ **Replies:** 7\ **Last updated:** [May 29, 2019, 2:21pm UTC](https://forum.inductiveautomation.com/t/does-python-scripting-knowledge-is-essential-to-work-in-ignition/25281 "2019-05-29T14:21:10Z")
this question is kind of stupid but still i would like to know. I am just curious, is it possible to work on Ignition without doing any Python scripting? I am more like a Ladder Logic oriented guy. Even mostly I step awa… --- ## [Perspective component : Fetch data from gateway](https://forum.inductiveautomation.com/t/perspective-component-fetch-data-from-gateway/25217)
**Author:** [@Yogini\_Marathe](https://forum.inductiveautomation.com/u/Yogini_Marathe)\ **Replies:** 0\ **Last updated:** [May 22, 2019, 9:04am UTC](https://forum.inductiveautomation.com/t/perspective-component-fetch-data-from-gateway/25217 "2019-05-22T09:04:00Z")
Hi, I am looking at the Perspective module example and able to build the module with some UI components and static data. Next thing I want to do is fetch data from the Gateway’s default datasource. For Vision component… --- ## [Bind the Quality property of a component to an expression](https://forum.inductiveautomation.com/t/bind-the-quality-property-of-a-component-to-an-expression/25347)
**Author:** [@mark.sluser](https://forum.inductiveautomation.com/u/mark.sluser)\ **Replies:** 2\ **Last updated:** [May 28, 2019, 10:58pm UTC](https://forum.inductiveautomation.com/t/bind-the-quality-property-of-a-component-to-an-expression/25347 "2019-05-28T22:58:57Z")
Is it possible to bind a component’s Quality property to another tag using an expression? I have 2 tags Tag1 (Float) Tag1\_Quality (Float, 0=Good, 1=Bad) Can the tag Tag1\_Quality drive the quality of Tag1 ? When I us… --- ## [\[12634, 13130\] Bring back tag props that used to show up under tag details](https://forum.inductiveautomation.com/t/12634-13130-bring-back-tag-props-that-used-to-show-up-under-tag-details/23286)
**Author:** [@Tumeksi](https://forum.inductiveautomation.com/u/Tumeksi)\ **Replies:** 2\ **Last updated:** [May 28, 2019, 10:51pm UTC](https://forum.inductiveautomation.com/t/12634-13130-bring-back-tag-props-that-used-to-show-up-under-tag-details/23286 "2019-05-28T22:51:39Z")
We have an Ignition server running on 7.9.10 this server is used as an “I/O-server” for two different front end Ignition servers. This I/O-server hosts all of our tags. When I run the “system.tag.exists” on the other fr… --- ## [Set Calendar Start time to current hour with a 15 minute offset](https://forum.inductiveautomation.com/t/set-calendar-start-time-to-current-hour-with-a-15-minute-offset/25379)
**Author:** [@Neil\_B](https://forum.inductiveautomation.com/u/Neil_B)\ **Replies:** 1\ **Last updated:** [May 28, 2019, 9:51pm UTC](https://forum.inductiveautomation.com/t/set-calendar-start-time-to-current-hour-with-a-15-minute-offset/25379 "2019-05-28T21:51:36Z")
I’m trying to set a “Start Date” for an hourly counts chart. My site shift starts 15 minutes after the hour. Is there a way to use the “now()” but only look at the hour? I think I should be able to add +15 minutes for… --- ## [What is going on with the cursor in the property script editing window?](https://forum.inductiveautomation.com/t/what-is-going-on-with-the-cursor-in-the-property-script-editing-window/25378)
**Author:** [@brendan.curran](https://forum.inductiveautomation.com/u/brendan.curran)\ **Replies:** 1\ **Last updated:** [May 28, 2019, 9:22pm UTC](https://forum.inductiveautomation.com/t/what-is-going-on-with-the-cursor-in-the-property-script-editing-window/25378 "2019-05-28T21:22:45Z")
Fairly often I find my cursor registering as a quarter of an inch to the right of my actual mouse cursor. I’ve also been having issues in 8.0 where the cursor shows itself one character to the right of where it truly is.… --- ## [\[Feature\] Nested paths in expressions](https://forum.inductiveautomation.com/t/feature-nested-paths-in-expressions/24932)
**Author:** [@joostjojo](https://forum.inductiveautomation.com/u/joostjojo)\ **Replies:** 1\ **Last updated:** [May 28, 2019, 8:55pm UTC](https://forum.inductiveautomation.com/t/feature-nested-paths-in-expressions/24932 "2019-05-28T20:55:16Z")
Nested paths are not allowed. I know i can get my goal with a simple switch statement. but this should make it much more easier. {this.custom.{view.params.ControlType}} --- ## [Lost Edge Client Password](https://forum.inductiveautomation.com/t/lost-edge-client-password/25377)
**Author:** [@cjohnson1](https://forum.inductiveautomation.com/u/cjohnson1)\ **Replies:** 0\ **Last updated:** [May 28, 2019, 8:19pm UTC](https://forum.inductiveautomation.com/t/lost-edge-client-password/25377 "2019-05-28T20:19:21Z")
I configured my edge client to have the default username and password of; admin, password which I’ve been using. I recently restarted my edge client and this no longer works? does anyone have any ideas? --- ## [Ignition 8 Archetype](https://forum.inductiveautomation.com/t/ignition-8-archetype/25339)
**Author:** [@cody.tamaki](https://forum.inductiveautomation.com/u/cody.tamaki)\ **Replies:** 5\ **Last updated:** [May 28, 2019, 8:16pm UTC](https://forum.inductiveautomation.com/t/ignition-8-archetype/25339 "2019-05-28T20:16:24Z")
Is there an Ignition 8 archetype we can use for new modules? I’ve been using 1.1.0 and then making the changes necessary to upgrade it to an 8.0 module… --- ## [Issues with Mobile Client SQL Update](https://forum.inductiveautomation.com/t/issues-with-mobile-client-sql-update/25376)
**Author:** [@brian.dame](https://forum.inductiveautomation.com/u/brian.dame)\ **Replies:** 0\ **Last updated:** [May 28, 2019, 8:05pm UTC](https://forum.inductiveautomation.com/t/issues-with-mobile-client-sql-update/25376 "2019-05-28T20:05:40Z")
I am developing a mobile client application that requires a small amount of data entry (numeric text fields, dropdown lists), but cannot get any of my update statements to work on a mobile client. Opening the application… --- ## [Transaction Group Table Name Always "group\_table" & Demo Expired](https://forum.inductiveautomation.com/t/transaction-group-table-name-always-group-table-demo-expired/25366)
**Author:** [@r123](https://forum.inductiveautomation.com/u/r123)\ **Replies:** 4\ **Last updated:** [May 28, 2019, 6:37pm UTC](https://forum.inductiveautomation.com/t/transaction-group-table-name-always-group-table-demo-expired/25366 "2019-05-28T18:37:19Z")
The demo shows a user simply typing the name they want and hitting save. When I hit save it jumps back to “group\_table”. This is with MySQL and the default MySQL user and a valid database connection. Automatically create… --- ## [Bulk-add "Associated Data" to Alarms](https://forum.inductiveautomation.com/t/bulk-add-associated-data-to-alarms/25369)
**Author:** [@md.szyman](https://forum.inductiveautomation.com/u/md.szyman)\ **Replies:** 1\ **Last updated:** [May 28, 2019, 5:55pm UTC](https://forum.inductiveautomation.com/t/bulk-add-associated-data-to-alarms/25369 "2019-05-28T17:55:42Z")
I’m looking to add some Associated Data bound to a Tag to a bunch of alarms on fault tags. The Tag I want to bind to Associated Data is the same for every alarm. Is there any way to do this in bulk for a lot of tag alar… --- ## [System.util.execute on the Gateway Scope](https://forum.inductiveautomation.com/t/system-util-execute-on-the-gateway-scope/25358)
**Author:** [@carolineuchoa.estuda](https://forum.inductiveautomation.com/u/carolineuchoa.estuda)\ **Replies:** 5\ **Last updated:** [May 28, 2019, 5:14pm UTC](https://forum.inductiveautomation.com/t/system-util-execute-on-the-gateway-scope/25358 "2019-05-28T17:14:55Z")
Hello! I’m trying to open an application on the Gateway scope, using Gatway Tag Change Script. What I need is to change a button to 1 and then it opens notepad, but I need it to be on the Gateway. The script doesn’t sh… --- ## [Client executing app on the server computer](https://forum.inductiveautomation.com/t/client-executing-app-on-the-server-computer/24610)
**Author:** [@carolineuchoa.estuda](https://forum.inductiveautomation.com/u/carolineuchoa.estuda)\ **Replies:** 16\ **Last updated:** [May 28, 2019, 5:18pm UTC](https://forum.inductiveautomation.com/t/client-executing-app-on-the-server-computer/24610 "2019-05-28T17:18:31Z")
Hello! I need to open an application with a button, but with a twist. I know that it can be done by using system.util.execute function. But it only works when the client that presses the button has the program installed… --- ## [Summary questions about Perspective Module](https://forum.inductiveautomation.com/t/summary-questions-about-perspective-module/25367)
**Author:** [@nathan.hooper](https://forum.inductiveautomation.com/u/nathan.hooper)\ **Replies:** 2\ **Last updated:** [May 28, 2019, 4:39pm UTC](https://forum.inductiveautomation.com/t/summary-questions-about-perspective-module/25367 "2019-05-28T16:39:43Z")
Hello. I have a few questions that I am hoping can be answered by someone. I do not need a lot of detail, but any information will be appreciated. This may be a bit lengthy, but I am trying to provide some background … --- ## [\[BUG-13840\] Reading a tag's quality for a non-existent tag no longer returns quality 404 / NOT\_FOUND](https://forum.inductiveautomation.com/t/bug-13840-reading-a-tags-quality-for-a-non-existent-tag-no-longer-returns-quality-404-not-found/24577)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [May 28, 2019, 4:13pm UTC](https://forum.inductiveautomation.com/t/bug-13840-reading-a-tags-quality-for-a-non-existent-tag-no-longer-returns-quality-404-not-found/24577 "2019-05-28T16:13:17Z")
8.0 (b2019040718) In 7, I would sometimes check if a tag existed by checking the quality of the tag and checking if it returned 404 / NOT\_FOUND. In 8 however, my quality checks for these non-existent tags is returning a… --- ## [\[FEATURE-12149\] Vision: New client "Updates available" banner doesn't stand out - very easy to miss](https://forum.inductiveautomation.com/t/feature-12149-vision-new-client-updates-available-banner-doesnt-stand-out-very-easy-to-miss/23989)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [May 28, 2019, 4:12pm UTC](https://forum.inductiveautomation.com/t/feature-12149-vision-new-client-updates-available-banner-doesnt-stand-out-very-easy-to-miss/23989 "2019-05-28T16:12:29Z")
The new updates available banner looks nice, but the background colour just doesn’t stand out at all. In fact I was looking at the client for a good 10 mins and didn’t notice it there. Operators rarely saw the original … [Previous page](https://forum.inductiveautomation.com/latest.md?page=1511) [Next page](https://forum.inductiveautomation.com/latest.md?page=1513)