# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=402 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 403 --- ## [Expression to convert multiple digital signals to string](https://forum.inductiveautomation.com/t/expression-to-convert-multiple-digital-signals-to-string/91363)
**Author:** [@Zachary\_Ray](https://forum.inductiveautomation.com/u/Zachary_Ray)\ **Replies:** 14\ **Last updated:** [June 5, 2024, 2:58pm UTC](https://forum.inductiveautomation.com/t/expression-to-convert-multiple-digital-signals-to-string/91363 "2024-06-05T14:58:50Z")
Hello, I have created a UDT which stores 6 boolean values. The values represent hand, off, auto commands and indications. That is - auto command, auto indication, hand command, hand indication, etc. The UDT also contai… --- ## [Check tag binding via Script](https://forum.inductiveautomation.com/t/check-tag-binding-via-script/91414)
**Author:** [@Pascal\_Bauer](https://forum.inductiveautomation.com/u/Pascal_Bauer)\ **Replies:** 5\ **Last updated:** [June 5, 2024, 2:27pm UTC](https://forum.inductiveautomation.com/t/check-tag-binding-via-script/91414 "2024-06-05T14:27:09Z")
Hello, is it possible to check inside of an embedded view via Script, which tag is used for a Property or Tag Binding at one of the Params of this Embedded View? --- ## [Expression Error Handling](https://forum.inductiveautomation.com/t/expression-error-handling/91415)
**Author:** [@Zachary\_Ray](https://forum.inductiveautomation.com/u/Zachary_Ray)\ **Replies:** 1\ **Last updated:** [June 5, 2024, 2:23pm UTC](https://forum.inductiveautomation.com/t/expression-error-handling/91415 "2024-06-05T14:23:27Z")
Hello, I am curious as to how much other users are checking for errors in their expressions. At the moment, I am doing a startup of a project remotely before I head on site. Thus, every tag has an OPC error. This makes… --- ## [Dropdown box error](https://forum.inductiveautomation.com/t/dropdown-box-error/91377)
**Author:** [@ColeS](https://forum.inductiveautomation.com/u/ColeS)\ **Replies:** 10\ **Last updated:** [June 5, 2024, 2:23pm UTC](https://forum.inductiveautomation.com/t/dropdown-box-error/91377 "2024-06-05T14:23:20Z")
I have created a dropdown box in perspective. The basic operation is to add options dynamically based on a variable. The first thing the script does is clear out all of the options except of an All option and then popula… --- ## [Need to set the timer in ignition when table has fetched the data](https://forum.inductiveautomation.com/t/need-to-set-the-timer-in-ignition-when-table-has-fetched-the-data/91294)
**Author:** [@srinivasan\_s](https://forum.inductiveautomation.com/u/srinivasan_s)\ **Replies:** 17\ **Last updated:** [June 5, 2024, 2:22pm UTC](https://forum.inductiveautomation.com/t/need-to-set-the-timer-in-ignition-when-table-has-fetched-the-data/91294 "2024-06-05T14:22:47Z")
I need to set the timer count when the table filed is entered. I have a start button, which will open one popup, in that popup, there is some text input component, when I enter those details, all details will go into ta… --- ## [Anyone considering upgrading HMI's as a client to a local Ignition server?](https://forum.inductiveautomation.com/t/anyone-considering-upgrading-hmis-as-a-client-to-a-local-ignition-server/91371)
**Author:** [@DNice](https://forum.inductiveautomation.com/u/DNice)\ **Replies:** 6\ **Last updated:** [June 5, 2024, 1:34pm UTC](https://forum.inductiveautomation.com/t/anyone-considering-upgrading-hmis-as-a-client-to-a-local-ignition-server/91371 "2024-06-05T13:34:30Z")
My team is considering upgrading some of our line HMI's to run as a client to a full (local) Ignition server (w redundancy) vs having Edge instances per line. Has anyone had success or failures in this type of upgrade? C… --- ## [Schedules Information bits](https://forum.inductiveautomation.com/t/schedules-information-bits/91408)
**Author:** [@Sudeep\_Kadlak](https://forum.inductiveautomation.com/u/Sudeep_Kadlak)\ **Replies:** 0\ **Last updated:** [June 5, 2024, 1:23pm UTC](https://forum.inductiveautomation.com/t/schedules-information-bits/91408 "2024-06-05T13:23:56Z")
Where can i get status of this Active Now bit , so that i can use this but in my tag structure. and How can i link this Schedule management to my sql database? Shall i get this bit information in system tag somewhere. … --- ## [Modbus Poll Delay](https://forum.inductiveautomation.com/t/modbus-poll-delay/91393)
**Author:** [@nikunj.pipariya](https://forum.inductiveautomation.com/u/nikunj.pipariya)\ **Replies:** 4\ **Last updated:** [June 5, 2024, 12:50pm UTC](https://forum.inductiveautomation.com/t/modbus-poll-delay/91393 "2024-06-05T12:50:26Z")
How to Set Poll Day Delay in Ignition, I see it shows only communication timeout in Modbus settings. Is there any backend setting available for this poll delay. --- ## [Alarm on client loss of connection to backup server](https://forum.inductiveautomation.com/t/alarm-on-client-loss-of-connection-to-backup-server/91397)
**Author:** [@joe\_carlin](https://forum.inductiveautomation.com/u/joe_carlin)\ **Replies:** 1\ **Last updated:** [June 5, 2024, 11:52am UTC](https://forum.inductiveautomation.com/t/alarm-on-client-loss-of-connection-to-backup-server/91397 "2024-06-05T11:52:41Z")
Is there a way for a client to generate an alarm if it loses connection to the backup server in a redundant architecture? Here is our scenario: One of our customers has a v8.1.35 system with redundancy. Their primary s… --- ## [Problems with date type in NamedQuery](https://forum.inductiveautomation.com/t/problems-with-date-type-in-namedquery/91402)
**Author:** [@Alejandro\_Alaco](https://forum.inductiveautomation.com/u/Alejandro_Alaco)\ **Replies:** 1\ **Last updated:** [June 5, 2024, 11:34am UTC](https://forum.inductiveautomation.com/t/problems-with-date-type-in-namedquery/91402 "2024-06-05T11:34:52Z")
Hello! I got a Named query with a timestamp ... WHERE TM.timestamp BETWEEN ADD\_MONTHS(TO\_DATE(:startdate, 'YYYY-MM-DD HH24:MI:SS'), -12) AND TO\_DATE(:startdate, 'YYYY-MM-DD HH24:MI:SS') ... WHERE TO\_CHAR(TM.timestam… --- ## [While integrating Tableau to Ignition, getting error](https://forum.inductiveautomation.com/t/while-integrating-tableau-to-ignition-getting-error/91400)
**Author:** [@Sudarsan\_PS](https://forum.inductiveautomation.com/u/Sudarsan_PS)\ **Replies:** 3\ **Last updated:** [June 5, 2024, 11:25am UTC](https://forum.inductiveautomation.com/t/while-integrating-tableau-to-ignition-getting-error/91400 "2024-06-05T11:25:52Z")
When trying to integrate tableau through Inline Frame component in Ignition Perspective, am getting an error saying " Tableau refused connect" . Any help is appreciated . Thank you --- ## [Count down Timer for 2 hour in HH:MM:SS in forward](https://forum.inductiveautomation.com/t/count-down-timer-for-2-hour-in-hhss-in-forward/91385)
**Author:** [@srinivasan\_s](https://forum.inductiveautomation.com/u/srinivasan_s)\ **Replies:** 5\ **Last updated:** [June 5, 2024, 9:12am UTC](https://forum.inductiveautomation.com/t/count-down-timer-for-2-hour-in-hhss-in-forward/91385 "2024-06-05T09:12:03Z")
I have label component. In that I need to count down the timer for 2 hours in HH:MM:SS format in forward direction. A start button to start the timer and reset button to reset it. Additional, if particular time reach, it… --- ## [Writing to tags from an MQTT broker](https://forum.inductiveautomation.com/t/writing-to-tags-from-an-mqtt-broker/91261)
**Author:** [@JVeldt](https://forum.inductiveautomation.com/u/JVeldt)\ **Replies:** 4\ **Last updated:** [June 5, 2024, 9:54am UTC](https://forum.inductiveautomation.com/t/writing-to-tags-from-an-mqtt-broker/91261 "2024-06-05T09:54:48Z")
I have a bunch of PLC tags coming into my gateway over MQTT. I then am passing those tags into a Vision project. I found while working on it that I am unable to write values to my tags coming in from MQTT. I am wonderin… --- ## [Perspective Time Series Chart Colors](https://forum.inductiveautomation.com/t/perspective-time-series-chart-colors/71827)
**Author:** [@CBandurski](https://forum.inductiveautomation.com/u/CBandurski)\ **Replies:** 8\ **Last updated:** [June 5, 2024, 9:46am UTC](https://forum.inductiveautomation.com/t/perspective-time-series-chart-colors/71827 "2024-06-05T09:46:18Z")
I have a time series chart with two different trends. I have 2 tags with rather high values and 3 with percentage values. I've created the layout I want to display all these tags together in a readable manner. The proble… --- ## [Issue when pushing with git in ignition 8.1 gateway event scrips](https://forum.inductiveautomation.com/t/issue-when-pushing-with-git-in-ignition-8-1-gateway-event-scrips/72644)
**Author:** [@andrew\_fitzpatrick](https://forum.inductiveautomation.com/u/andrew_fitzpatrick)\ **Replies:** 4\ **Last updated:** [June 5, 2024, 8:06am UTC](https://forum.inductiveautomation.com/t/issue-when-pushing-with-git-in-ignition-8-1-gateway-event-scrips/72644 "2024-06-05T08:06:20Z")
Im having an issue when pushing using the git-auto-commi.bat The gateway event on save execute the script and does every steps but does not push, i have tried to do it in pyhton script or in a .bat file. The issue is t… --- ## [system.tag.getConfiguration](https://forum.inductiveautomation.com/t/system-tag-getconfiguration/91387)
**Author:** [@Sabrina\_Molitor](https://forum.inductiveautomation.com/u/Sabrina_Molitor)\ **Replies:** 4\ **Last updated:** [June 5, 2024, 7:55am UTC](https://forum.inductiveautomation.com/t/system-tag-getconfiguration/91387 "2024-06-05T07:55:12Z")
hello everyone, I'm trying to use getConfiguration to read out whether a Tag is part of a UDT or not. unfortunately the query always brings me true, even though 'tagType' is different. --- ## [How to access currentValue and previousValue from value change script](https://forum.inductiveautomation.com/t/how-to-access-currentvalue-and-previousvalue-from-value-change-script/91372)
**Author:** [@michael.black](https://forum.inductiveautomation.com/u/michael.black)\ **Replies:** 4\ **Last updated:** [June 4, 2024, 10:41pm UTC](https://forum.inductiveautomation.com/t/how-to-access-currentvalue-and-previousvalue-from-value-change-script/91372 "2024-06-04T22:41:45Z")
I have a dataset tag with two columns, t\_stamp and weight. It is 120 rows long. I want to be able to determine if the current value, in this case row 120, is greater than the previous value, in this case row 119. I wa… --- ## [Python tools for improving scripting code quality](https://forum.inductiveautomation.com/t/python-tools-for-improving-scripting-code-quality/50161)
**Author:** [@cesrom](https://forum.inductiveautomation.com/u/cesrom)\ **Replies:** 6\ **Last updated:** [June 4, 2024, 8:23pm UTC](https://forum.inductiveautomation.com/t/python-tools-for-improving-scripting-code-quality/50161 "2024-06-04T20:23:19Z")
Recently I've been trying to improve code quality on my scripts, and I have found some tools that help me towards that goal. Note Since projects are now stored in the file system, we can run all of these tools under the… --- ## [Linear Scale - Dynamic Indicators bindings in a Template](https://forum.inductiveautomation.com/t/linear-scale-dynamic-indicators-bindings-in-a-template/91366)
**Author:** [@Doug\_Goldie](https://forum.inductiveautomation.com/u/Doug_Goldie)\ **Replies:** 2\ **Last updated:** [June 4, 2024, 8:00pm UTC](https://forum.inductiveautomation.com/t/linear-scale-dynamic-indicators-bindings-in-a-template/91366 "2024-06-04T20:00:29Z")
Hello, I am attempting to create a template for a series of pressurized reactors for a customer. I wanted to use the linear-Scale component and dynamically update three indicators: High pressure setpoint, Low pressure s… --- ## [Ignition Reporting Alternate colored table rows](https://forum.inductiveautomation.com/t/ignition-reporting-alternate-colored-table-rows/91361)
**Author:** [@Noah\_Casey](https://forum.inductiveautomation.com/u/Noah_Casey)\ **Replies:** 2\ **Last updated:** [June 4, 2024, 7:45pm UTC](https://forum.inductiveautomation.com/t/ignition-reporting-alternate-colored-table-rows/91361 "2024-06-04T19:45:59Z")
Can anyone give me some ideas on how to make alternating colored rows in the reporting module. Maybe using keychain expression I just have no idea how to target even/odd rows. Thanks in advance! --- ## [Vision Screen Refresh](https://forum.inductiveautomation.com/t/vision-screen-refresh/77928)
**Author:** [@Schwartzds](https://forum.inductiveautomation.com/u/Schwartzds)\ **Replies:** 16\ **Last updated:** [June 4, 2024, 7:31pm UTC](https://forum.inductiveautomation.com/t/vision-screen-refresh/77928 "2024-06-04T19:31:39Z")
Looking to do a screen refresh every 10 minutes on a vision screen. Any suggestions on how to accomplish this via script? --- ## [iOS Badge Login](https://forum.inductiveautomation.com/t/ios-badge-login/91359)
**Author:** [@Robert\_Garcher1](https://forum.inductiveautomation.com/u/Robert_Garcher1)\ **Replies:** 1\ **Last updated:** [June 4, 2024, 6:51pm UTC](https://forum.inductiveautomation.com/t/ios-badge-login/91359 "2024-06-04T18:51:24Z")
I've been working on an application using a bluetooth badge reader made by Serialio. I have it now working fine authenticating via the IDP using the badge authentication feature in Windows. However, the vendor and I ha… --- ## [Pulling the latest URL from HTTP File](https://forum.inductiveautomation.com/t/pulling-the-latest-url-from-http-file/91356)
**Author:** [@Hayden\_Hinton](https://forum.inductiveautomation.com/u/Hayden_Hinton)\ **Replies:** 1\ **Last updated:** [June 4, 2024, 6:07pm UTC](https://forum.inductiveautomation.com/t/pulling-the-latest-url-from-http-file/91356 "2024-06-04T18:07:15Z")
I'm trying to capture an image with a Cognex Dimensioner that saves the .bmp image files in a folder using FTP and then having a local HTTP server that Ignition pulls the latest file's URL from. The URL is then put into … --- ## [I cannot open pages in Perspective sometimes](https://forum.inductiveautomation.com/t/i-cannot-open-pages-in-perspective-sometimes/91111)
**Author:** [@Wassef\_Bouchrit](https://forum.inductiveautomation.com/u/Wassef_Bouchrit)\ **Replies:** 21\ **Last updated:** [June 4, 2024, 5:09pm UTC](https://forum.inductiveautomation.com/t/i-cannot-open-pages-in-perspective-sometimes/91111 "2024-06-04T17:09:11Z")
I have to close the Designer and open it again in order to open pages in perspective and here the error I get I'm using the latest version 8.1.40 (b2024051410) of Ignition and Designer v1.1.40 . 00:38:48.870 \[AWT-Event… --- ## [Ignition Redundancy License Activation](https://forum.inductiveautomation.com/t/ignition-redundancy-license-activation/91340)
**Author:** [@Reuel\_Greaves](https://forum.inductiveautomation.com/u/Reuel_Greaves)\ **Replies:** 4\ **Last updated:** [June 4, 2024, 5:05pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy-license-activation/91340 "2024-06-04T17:05:41Z")
I have a redundant server pair that requires an offline license activation as new modules have been licensed after purchase. Has anyone done this and what procedure have you used ? We are thinking the following Set Bac… --- ## [Firewall Guide?](https://forum.inductiveautomation.com/t/firewall-guide/14694)
**Author:** [@Caleb\_Bohon](https://forum.inductiveautomation.com/u/Caleb_Bohon)\ **Replies:** 5\ **Last updated:** [September 30, 2020, 7:48pm UTC](https://forum.inductiveautomation.com/t/firewall-guide/14694 "2020-09-30T19:48:49Z")
Does anyone have a guide to setting up a Firewall for an Ignition System? It would be nice to have a central place (Knowledge Base article or other) that has 1) all default ports for Ignition features listed with 2) … --- ## [Maximum Number of Modbus Registers](https://forum.inductiveautomation.com/t/maximum-number-of-modbus-registers/91262)
**Author:** [@Santhosh\_Pugalenthi](https://forum.inductiveautomation.com/u/Santhosh_Pugalenthi)\ **Replies:** 3\ **Last updated:** [June 4, 2024, 4:00pm UTC](https://forum.inductiveautomation.com/t/maximum-number-of-modbus-registers/91262 "2024-06-04T16:00:25Z")
When I try to create around 700 Modbus Registers in Ignition Gateway, I got internal error when I click on save button. and I got "Form is larger than max length 200000" in Gateway Logs Can anyone please explain t… --- ## [Mark duplicated values in a power table](https://forum.inductiveautomation.com/t/mark-duplicated-values-in-a-power-table/91314)
**Author:** [@rigoberto.reyes](https://forum.inductiveautomation.com/u/rigoberto.reyes)\ **Replies:** 5\ **Last updated:** [June 4, 2024, 3:01pm UTC](https://forum.inductiveautomation.com/t/mark-duplicated-values-in-a-power-table/91314 "2024-06-04T15:01:57Z")
Hi there. I´m using a power table to show statistical information and I need to mark duplicated values (same column). How can I do it? --- ## [Modbus TCP - Registers NULL Value - Quality BAD](https://forum.inductiveautomation.com/t/modbus-tcp-registers-null-value-quality-bad/91282)
**Author:** [@Marco\_Ciau](https://forum.inductiveautomation.com/u/Marco_Ciau)\ **Replies:** 10\ **Last updated:** [June 4, 2024, 2:44pm UTC](https://forum.inductiveautomation.com/t/modbus-tcp-registers-null-value-quality-bad/91282 "2024-06-04T14:44:36Z")
Hi, I'm trying to integrate my Modbus TCP Server Device. I've tested it using ModScan32 but I have no success with Ignition. My device appears connected but I'm not able to read the registers values using the OPC Quick … --- ## [MQTT Module Restart](https://forum.inductiveautomation.com/t/mqtt-module-restart/91325)
**Author:** [@Matrix\_Engineering](https://forum.inductiveautomation.com/u/Matrix_Engineering)\ **Replies:** 1\ **Last updated:** [June 4, 2024, 2:19pm UTC](https://forum.inductiveautomation.com/t/mqtt-module-restart/91325 "2024-06-04T14:19:48Z")
I am using Edge IIOT, the full server and Edge are both 8.1.35. When I add new tags at the Edge node, to get them to appear on the server I have to restart the MQTT transmission module on Edge. Is this normal? [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=401) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=403)