# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=659 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 660 --- ## [Ignition Edge & Raspberry Pi 4: Connection to Existing Account](https://forum.inductiveautomation.com/t/ignition-edge-raspberry-pi-4-connection-to-existing-account/73140)
**Author:** [@Cliff\_May](https://forum.inductiveautomation.com/u/Cliff_May)\ **Replies:** 9\ **Last updated:** [May 2, 2023, 12:58pm UTC](https://forum.inductiveautomation.com/t/ignition-edge-raspberry-pi-4-connection-to-existing-account/73140 "2023-05-02T12:58:06Z")
Hello, I have a Raspberry Pi 4 and attempted to install Ignition Edge to connect it to an existing SCADA/HMI system. I could not get Edge to connect to the server via the IP address or any other means. Rather it asked m… --- ## [Vision Scripting - What am I missing here?](https://forum.inductiveautomation.com/t/vision-scripting-what-am-i-missing-here/73137)
**Author:** [@S1ack](https://forum.inductiveautomation.com/u/S1ack)\ **Replies:** 7\ **Last updated:** [May 2, 2023, 12:38pm UTC](https://forum.inductiveautomation.com/t/vision-scripting-what-am-i-missing-here/73137 "2023-05-02T12:38:47Z")
Retrofit of HMI on older machine. PLC code exists and is working. I have a valve, when clicked opens a popup window. On that window a (2) value multi-state button. Open (control value is 1), Close (control value is two).… --- ## [System.tag.browse \`attributes\` HashSet - What can I do with this?](https://forum.inductiveautomation.com/t/system-tag-browse-attributes-hashset-what-can-i-do-with-this/73136)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 6\ **Last updated:** [May 2, 2023, 12:31pm UTC](https://forum.inductiveautomation.com/t/system-tag-browse-attributes-hashset-what-can-i-do-with-this/73136 "2023-05-02T12:31:03Z")
I have results from system.tag.browse, some which have an attributes key, but what can I actually do with this? Is it only there to know what attributes the tag has configured? For example, one tag returned from from wi… --- ## [Database connection status error - Connection faulted](https://forum.inductiveautomation.com/t/database-connection-status-error-connection-faulted/73135)
**Author:** [@Neha\_B](https://forum.inductiveautomation.com/u/Neha_B)\ **Replies:** 1\ **Last updated:** [May 2, 2023, 12:10pm UTC](https://forum.inductiveautomation.com/t/database-connection-status-error-connection-faulted/73135 "2023-05-02T12:10:29Z")
Getting an database connection status error, connection is faulted, and details show the following description - Cannot get a connection, pool error Unable to validate object New user here, not able to understand what h… --- ## [Tag Value Change Script gets executed multiple times](https://forum.inductiveautomation.com/t/tag-value-change-script-gets-executed-multiple-times/65089)
**Author:** [@sathianandan.dharmas](https://forum.inductiveautomation.com/u/sathianandan.dharmas)\ **Replies:** 38\ **Last updated:** [May 2, 2023, 12:00pm UTC](https://forum.inductiveautomation.com/t/tag-value-change-script-gets-executed-multiple-times/65089 "2023-05-02T12:00:35Z")
Hi All, I have a named query that inserts one row of data, I'm calling this named query from a tag value change script (which also passes the tag value to that named query). Ideally I shouldn't see any duplicate values … --- ## [Expression Error in Client](https://forum.inductiveautomation.com/t/expression-error-in-client/72995)
**Author:** [@Chad\_Campbell](https://forum.inductiveautomation.com/u/Chad_Campbell)\ **Replies:** 3\ **Last updated:** [May 1, 2023, 9:58pm UTC](https://forum.inductiveautomation.com/t/expression-error-in-client/72995 "2023-05-01T21:58:20Z")
I currently have a LED display with the below expression. It is pulling a substring from 2 text fields that an operator populates to see if they match. It works very well, except when the field is cleared to type the n… --- ## [Edge problem with default provider](https://forum.inductiveautomation.com/t/edge-problem-with-default-provider/41213)
**Author:** [@mgraham](https://forum.inductiveautomation.com/u/mgraham)\ **Replies:** 4\ **Last updated:** [May 2, 2023, 1:00am UTC](https://forum.inductiveautomation.com/t/edge-problem-with-default-provider/41213 "2023-05-02T01:00:43Z")
I’ve spent a fair amount of time converting a 7.8 project to Edge and end up with this error message when the project tries to write to a tag: Error writing “True” to tag Mline/Batchfeeder/inputs/local4/Data5 Error\_Co… --- ## [Alarm Notification with a delay](https://forum.inductiveautomation.com/t/alarm-notification-with-a-delay/72622)
**Author:** [@Dharani\_T](https://forum.inductiveautomation.com/u/Dharani_T)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 11:07pm UTC](https://forum.inductiveautomation.com/t/alarm-notification-with-a-delay/72622 "2023-05-01T23:07:28Z")
Hi, I have configured an opc tag and an alarm pipeline to trigger a mail notification whenever the value reaches the set point. I would like to trigger with below condition, For eg: Setpoint =190. When actual tag va… --- ## [Making a dynamic Engineering High tag property](https://forum.inductiveautomation.com/t/making-a-dynamic-engineering-high-tag-property/72526)
**Author:** [@siim\_suitslepp](https://forum.inductiveautomation.com/u/siim_suitslepp)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 10:24pm UTC](https://forum.inductiveautomation.com/t/making-a-dynamic-engineering-high-tag-property/72526 "2023-05-01T22:24:45Z")
What i want to do: Make Tag property dynamically change (Engineering High Limit) Problem: I have OPC tag of an Inverter MODBUS register, which is called total yield. Total yield on linearly growing value. The register h… --- ## [Perspective view with larger resolution](https://forum.inductiveautomation.com/t/perspective-view-with-larger-resolution/73117)
**Author:** [@ANKIT\_BARAD](https://forum.inductiveautomation.com/u/ANKIT_BARAD)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 9:07pm UTC](https://forum.inductiveautomation.com/t/perspective-view-with-larger-resolution/73117 "2023-05-01T21:07:12Z")
I have pipes in all of my perspective views. I am using coordinate container as piping only available in this type. I have set up mode as percent. When I run perspective on larger screens, components and pipes are not … --- ## [Item in nested dictionary in a list can't be modified](https://forum.inductiveautomation.com/t/item-in-nested-dictionary-in-a-list-cant-be-modified/73098)
**Author:** [@carlos.aguero](https://forum.inductiveautomation.com/u/carlos.aguero)\ **Replies:** 6\ **Last updated:** [May 1, 2023, 9:08pm UTC](https://forum.inductiveautomation.com/t/item-in-nested-dictionary-in-a-list-cant-be-modified/73098 "2023-05-01T21:08:54Z")
good day When adding a dictionary array inside a list I am not able to modify one of the dictionary items, instead all the dictionary items are modified... #create a dictionary dcirc={'mode':1,'alarm':4,'step':7} #ap… --- ## [Perspective: setting session custom objects with scripting](https://forum.inductiveautomation.com/t/perspective-setting-session-custom-objects-with-scripting/73110)
**Author:** [@Miguel\_Lozano](https://forum.inductiveautomation.com/u/Miguel_Lozano)\ **Replies:** 4\ **Last updated:** [May 1, 2023, 8:46pm UTC](https://forum.inductiveautomation.com/t/perspective-setting-session-custom-objects-with-scripting/73110 "2023-05-01T20:46:38Z")
I'm having trouble with setting session custom objects and their values from within a dataset using scripting. I've tested that copying the object, pasting into Notepad, making changes, and right-click "Pasting" back int… --- ## [system.perspective.sendMessage() function](https://forum.inductiveautomation.com/t/system-perspective-sendmessage-function/73047)
**Author:** [@Art\_Irvin](https://forum.inductiveautomation.com/u/Art_Irvin)\ **Replies:** 15\ **Last updated:** [May 1, 2023, 8:17pm UTC](https://forum.inductiveautomation.com/t/system-perspective-sendmessage-function/73047 "2023-05-01T20:17:13Z")
Has anyone been able to use the system.perspective.sendMessage() function when it is triggered by a tag change event? TIA --- ## [What does "this" parameter do in a named query?](https://forum.inductiveautomation.com/t/what-does-this-parameter-do-in-a-named-query/73028)
**Author:** [@justin.brzozoski](https://forum.inductiveautomation.com/u/justin.brzozoski)\ **Replies:** 6\ **Last updated:** [May 1, 2023, 8:09pm UTC](https://forum.inductiveautomation.com/t/what-does-this-parameter-do-in-a-named-query/73028 "2023-05-01T20:09:54Z")
So, I see in the 8.1.27 release notes that there's now a convenient button to add the {this} field into named SQL update query parameters. But what does {this} evaluate to? I have no idea what it does and "this" is a pre… --- ## [DropConfig Object Path](https://forum.inductiveautomation.com/t/dropconfig-object-path/73048)
**Author:** [@Ernie\_Rodrigues](https://forum.inductiveautomation.com/u/Ernie_Rodrigues)\ **Replies:** 3\ **Last updated:** [May 1, 2023, 8:05pm UTC](https://forum.inductiveautomation.com/t/dropconfig-object-path/73048 "2023-05-01T20:05:59Z")
I have a Sparkline in a view that I'm using as a template for a reservoir. the idea is to drop the UDT into the view, then pull 24 hours of level data for the sparkline - the problem is that when I'm binding to Tag Hist… --- ## [Designer repeatedly crashing](https://forum.inductiveautomation.com/t/designer-repeatedly-crashing/70255)
**Author:** [@ken.maze](https://forum.inductiveautomation.com/u/ken.maze)\ **Replies:** 3\ **Last updated:** [May 1, 2023, 7:53pm UTC](https://forum.inductiveautomation.com/t/designer-repeatedly-crashing/70255 "2023-05-01T19:53:34Z")
Hi, I have been having repeated crashes of designer this afternoon. I tried restarting my machine, restarting the Ignition server, then even upgraded Ignition to 8.1.25 (this is on a test server), and still it will hang… --- ## [Session Property Expression - Check User Roles](https://forum.inductiveautomation.com/t/session-property-expression-check-user-roles/73105)
**Author:** [@amarks](https://forum.inductiveautomation.com/u/amarks)\ **Replies:** 4\ **Last updated:** [May 1, 2023, 7:10pm UTC](https://forum.inductiveautomation.com/t/session-property-expression-check-user-roles/73105 "2023-05-01T19:10:50Z")
I want to create a session prop to check for a specific role. Tried using the hasRole() expression function within a binding. However, I get an expression error if I don't supply the username and usersource: Based on… --- ## [Issue when using system.alarm.queryStatus on a remote tag provider](https://forum.inductiveautomation.com/t/issue-when-using-system-alarm-querystatus-on-a-remote-tag-provider/73036)
**Author:** [@andrew\_fitzpatrick](https://forum.inductiveautomation.com/u/andrew_fitzpatrick)\ **Replies:** 2\ **Last updated:** [May 1, 2023, 6:53pm UTC](https://forum.inductiveautomation.com/t/issue-when-using-system-alarm-querystatus-on-a-remote-tag-provider/73036 "2023-05-01T18:53:39Z")
Hi, Im having an issue with the alarm info not able to aquire a specific event from a remote tag in the alarm journal. this is what i have in the scrip console this is the script: id = 'ede2c0eb-0b4a-43bb-a4be-956812… --- ## [BACNet Driver Using Gateway](https://forum.inductiveautomation.com/t/bacnet-driver-using-gateway/72424)
**Author:** [@JohnBomb](https://forum.inductiveautomation.com/u/JohnBomb)\ **Replies:** 2\ **Last updated:** [May 1, 2023, 6:48pm UTC](https://forum.inductiveautomation.com/t/bacnet-driver-using-gateway/72424 "2023-05-01T18:48:22Z")
So, the manual says "The driver implements BACnet/IP over UDP. Any access to devices on other network media types (Ethernet (ISO-8802-3), MSTP, ARCNET, etc…) must be done through a gateway/router device." I have BACnet/… --- ## [New install getting stuck on "Ignition Gateway is Starting"](https://forum.inductiveautomation.com/t/new-install-getting-stuck-on-ignition-gateway-is-starting/73097)
**Author:** [@JoeJansen](https://forum.inductiveautomation.com/u/JoeJansen)\ **Replies:** 12\ **Last updated:** [May 1, 2023, 6:34pm UTC](https://forum.inductiveautomation.com/t/new-install-getting-stuck-on-ignition-gateway-is-starting/73097 "2023-05-01T18:34:47Z")
Per title. Installed on Debian linux using the zip file following the instructions in the README. I created my log in, selected standard edition, etc. When it got to starting the gateway, it got stuck. Tried stopping… --- ## [Syncing Server to NTP Source](https://forum.inductiveautomation.com/t/syncing-server-to-ntp-source/73099)
**Author:** [@brandon1](https://forum.inductiveautomation.com/u/brandon1)\ **Replies:** 5\ **Last updated:** [May 1, 2023, 6:03pm UTC](https://forum.inductiveautomation.com/t/syncing-server-to-ntp-source/73099 "2023-05-01T18:03:47Z")
Hello everyone, I wanted to know what the ramifications of syncing a Primary and Backup gateway to a NTP source would be if the NTP time is about 10 minutes behind the current time of the primary and backup. E.G. the N… --- ## [Multiple "Virtual" Monitors](https://forum.inductiveautomation.com/t/multiple-virtual-monitors/73096)
**Author:** [@michael.flagler](https://forum.inductiveautomation.com/u/michael.flagler)\ **Replies:** 3\ **Last updated:** [May 1, 2023, 5:59pm UTC](https://forum.inductiveautomation.com/t/multiple-virtual-monitors/73096 "2023-05-01T17:59:23Z")
So I know from the manual that Vision supports multiple monitors, but we have a project we're about to start working on where the client is using a 4K monitor (3840x2160) but they want to split it into quadrants with eac… --- ## [Execute Script Transform on Binding Even When Tag Does not Change](https://forum.inductiveautomation.com/t/execute-script-transform-on-binding-even-when-tag-does-not-change/52405)
**Author:** [@rbachman](https://forum.inductiveautomation.com/u/rbachman)\ **Replies:** 7\ **Last updated:** [May 1, 2023, 4:37pm UTC](https://forum.inductiveautomation.com/t/execute-script-transform-on-binding-even-when-tag-does-not-change/52405 "2023-05-01T16:37:00Z")
Is there a way to cause a Script Transform to execute on a Perspective property even if the underlying data for the binding has not changed? For example, we have a gauge component in Perspective that is tied to a tag. T… --- ## [Tag History LastValue interpolation](https://forum.inductiveautomation.com/t/tag-history-lastvalue-interpolation/33639)
**Author:** [@mleefers](https://forum.inductiveautomation.com/u/mleefers)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 3:27pm UTC](https://forum.inductiveautomation.com/t/tag-history-lastvalue-interpolation/33639 "2023-05-01T15:27:34Z")
Hello, I am getting some interesting results using tag history LastValue aggregation mode while allowing interpolation. Here is a screenshot of the database query for the tag. As you can see, there is a value of 0 r… --- ## [Extracting historian data in different TZ?](https://forum.inductiveautomation.com/t/extracting-historian-data-in-different-tz/73085)
**Author:** [@Shawn\_Rieger](https://forum.inductiveautomation.com/u/Shawn_Rieger)\ **Replies:** 3\ **Last updated:** [May 1, 2023, 2:51pm UTC](https://forum.inductiveautomation.com/t/extracting-historian-data-in-different-tz/73085 "2023-05-01T14:51:07Z")
I'm attempting to create a view that allows a user to select a start and end datetime from the datetime input picker in perspective. The gateway this is running on is in PDT. However, I set the perspective property for t… --- ## [8.1 Vision client Launcher installation issues on 64bit Raspberry Pi](https://forum.inductiveautomation.com/t/8-1-vision-client-launcher-installation-issues-on-64bit-raspberry-pi/65680)
**Author:** [@Blake\_Bessinger](https://forum.inductiveautomation.com/u/Blake_Bessinger)\ **Replies:** 5\ **Last updated:** [May 1, 2023, 1:08pm UTC](https://forum.inductiveautomation.com/t/8-1-vision-client-launcher-installation-issues-on-64bit-raspberry-pi/65680 "2023-05-01T13:08:01Z")
I'm currently running into issues trying to get Vision Client to run on my Raspberry Pi. I have it running the latest version of the 64bit Raspbian OS. Downloaded the Client Launcher from my Gateway on the primary comput… --- ## [Canny Stuck on Redirect After Login](https://forum.inductiveautomation.com/t/canny-stuck-on-redirect-after-login/73070)
**Author:** [@meredithj](https://forum.inductiveautomation.com/u/meredithj)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 12:15pm UTC](https://forum.inductiveautomation.com/t/canny-stuck-on-redirect-after-login/73070 "2023-05-01T12:15:12Z")
Im trying to login to Canny to make a feature request. I hit the login button and login and get stuck at this page. Anyone able to help? Tried in two different browsers (Chrome and Firefox), and did Incognito and regul… --- ## [Perspective Alarm Status Table - Filtering by Most Recent](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-filtering-by-most-recent/73071)
**Author:** [@Hugh\_Henry](https://forum.inductiveautomation.com/u/Hugh_Henry)\ **Replies:** 1\ **Last updated:** [May 1, 2023, 10:53am UTC](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-filtering-by-most-recent/73071 "2023-05-01T10:53:01Z")
Hi All, My ultimate goal is to change the way the alarm status table Filters my alarms (in perspective). Each tag which has alarms enabled can create multiple alarm events. In other words I could have the following sce… --- ## [Lag and unsuccessful tag value write via MQTT to modbus TCP communicated devices](https://forum.inductiveautomation.com/t/lag-and-unsuccessful-tag-value-write-via-mqtt-to-modbus-tcp-communicated-devices/73056)
**Author:** [@chaoliang](https://forum.inductiveautomation.com/u/chaoliang)\ **Replies:** 2\ **Last updated:** [May 1, 2023, 7:19am UTC](https://forum.inductiveautomation.com/t/lag-and-unsuccessful-tag-value-write-via-mqtt-to-modbus-tcp-communicated-devices/73056 "2023-05-01T07:19:42Z")
Here is the ignition structure. And here's the issue I encountered. When I write value from local ignition edge designer to a OPC tag, which is connected to a field modbus device, the value will be written to the de… --- ## [RSLogix OPC server tags can not be read/write in desginer](https://forum.inductiveautomation.com/t/rslogix-opc-server-tags-can-not-be-read-write-in-desginer/72958)
**Author:** [@ANKIT\_BARAD](https://forum.inductiveautomation.com/u/ANKIT_BARAD)\ **Replies:** 5\ **Last updated:** [May 1, 2023, 12:19am UTC](https://forum.inductiveautomation.com/t/rslogix-opc-server-tags-can-not-be-read-write-in-desginer/72958 "2023-05-01T00:19:55Z")
I have connection between studio5000 emulator and Ignition via RSLinx OPC Server. I can read and write tags in gateway. However, I am unable to read or write tags in designer. [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=658) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=660)