# Latest

**URL:** https://discourse.nodered.org/latest.md?page=567

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 568

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## [How to update a shared-status value from a function](https://discourse.nodered.org/t/how-to-update-a-shared-status-value-from-a-function/62827)

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**Author:** [@Pabliski](https://discourse.nodered.org/u/Pabliski)\
**Replies:** 0\
**Last updated:** [19 May 2022 01:54 UTC](https://discourse.nodered.org/t/how-to-update-a-shared-status-value-from-a-function/62827 "2022-05-19T01:54:15Z")

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Hello everyone - first time posting ... I am trying to update a shared-state value via function but I have not been successful. I have searched the forum and found similar questions, but not involving the shared status…

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## [Node-red node control X, Y, D of Mitsubishi FX5U PLC](https://discourse.nodered.org/t/node-red-node-control-x-y-d-of-mitsubishi-fx5u-plc/61683)

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**Author:** [@king](https://discourse.nodered.org/u/king)\
**Replies:** 5\
**Last updated:** [18 May 2022 19:51 UTC](https://discourse.nodered.org/t/node-red-node-control-x-y-d-of-mitsubishi-fx5u-plc/61683 "2022-05-18T19:51:11Z")

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Excuse me Mitsubishi PLC FX5U Ethernet to HUB wants to control X, Y, D through the built-in Node-red node of Raspberry Pi. Is there any tutorial on this?

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## [Dynamic inject node options...?](https://discourse.nodered.org/t/dynamic-inject-node-options/62589)

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**Author:** [@dougle03](https://discourse.nodered.org/u/dougle03)\
**Replies:** 14\
**Last updated:** [18 May 2022 19:45 UTC](https://discourse.nodered.org/t/dynamic-inject-node-options/62589 "2022-05-18T19:45:25Z")

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Hi all, I'm currently using a inject node on a set time of day. This works well, but I would like to be able to change the time it triggers. I can store a revised time in the global context, but cannot work out how to g…

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## [More Efficient Way to Parse JSON Results](https://discourse.nodered.org/t/more-efficient-way-to-parse-json-results/62811)

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**Author:** [@dandspach](https://discourse.nodered.org/u/dandspach)\
**Replies:** 5\
**Last updated:** [18 May 2022 18:09 UTC](https://discourse.nodered.org/t/more-efficient-way-to-parse-json-results/62811 "2022-05-18T18:09:20Z")

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Hello all. I have a JSON String that can have up to 100 results ('spots'), sourced from an HTTP request. I only really want three fields from each 'spot'. They are 'Mode', 'Frequency', and 'LocationDesc'. I want to d…

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## [Putting Data to the Payload](https://discourse.nodered.org/t/putting-data-to-the-payload/62803)

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**Author:** [@SammyJang](https://discourse.nodered.org/u/SammyJang)\
**Replies:** 2\
**Last updated:** [18 May 2022 15:51 UTC](https://discourse.nodered.org/t/putting-data-to-the-payload/62803 "2022-05-18T15:51:45Z")

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Hello teachers, I'm now receiving data from the wireless devices and the data is transferring to AWS IoT by using mqtt out Node. And I saw that the payload data is only being stored in the IoT Core, the other data is ju…

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## [Flows stopped due to missing node types : serial-port](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-serial-port/62776)

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**Author:** [@tai34126](https://discourse.nodered.org/u/tai34126)\
**Replies:** 6\
**Last updated:** [18 May 2022 15:23 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-serial-port/62776 "2022-05-18T15:23:51Z")

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Hey guys. I have a problem. I can't use the node-red. It shows " Flows stopped due to missing node types: serial-port " How to fix it? Thank you! pic below

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## [Any negative number should be zero](https://discourse.nodered.org/t/any-negative-number-should-be-zero/62577)

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**Author:** [@9toejack](https://discourse.nodered.org/u/9toejack)\
**Replies:** 22\
**Last updated:** [18 May 2022 14:56 UTC](https://discourse.nodered.org/t/any-negative-number-should-be-zero/62577 "2022-05-18T14:56:17Z")

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Ok, this may be another one of my silly questions. I'm setting up my pressure transducers, I am using an ads1115 to convert analog to digital, and then sending to esp8266 with I2C bus. from there query up the message i…

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## [Dashboard not appearing correctly on PC (but fine on phone)](https://discourse.nodered.org/t/dashboard-not-appearing-correctly-on-pc-but-fine-on-phone/62785)

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**Author:** [@cdctx07](https://discourse.nodered.org/u/cdctx07)\
**Replies:** 5\
**Last updated:** [18 May 2022 14:42 UTC](https://discourse.nodered.org/t/dashboard-not-appearing-correctly-on-pc-but-fine-on-phone/62785 "2022-05-18T14:42:01Z")

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Node.JS: v16.14.0-1 Node-Red: 2.2.2-1 Running on OpenWRT (Linksys WRT1900ACS), so accessing form my PC using that router's IP address. It's not my main house router, but an old router that I am using as a server throug…

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## [How display "date,value of sensor" in node red](https://discourse.nodered.org/t/how-display-date-value-of-sensor-in-node-red/62766)

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**Author:** [@Zaineb](https://discourse.nodered.org/u/Zaineb)\
**Replies:** 10\
**Last updated:** [18 May 2022 14:40 UTC](https://discourse.nodered.org/t/how-display-date-value-of-sensor-in-node-red/62766 "2022-05-18T14:40:20Z")

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Hi everyone, my problem is how to display my data with date, for exemple "2022-04-17, 321.76". thanks.

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## [Secure different dashboard](https://discourse.nodered.org/t/secure-different-dashboard/62550)

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**Author:** [@yannf](https://discourse.nodered.org/u/yannf)\
**Replies:** 5\
**Last updated:** [18 May 2022 13:59 UTC](https://discourse.nodered.org/t/secure-different-dashboard/62550 "2022-05-18T13:59:19Z")

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Dear all, Is it possible to add a password only for one tab of the ui ? localhost:1880/ui/#!/1 for example and not localhost:1880/ui/#!/2 Regards,

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## [UI isn't displaying anything](https://discourse.nodered.org/t/ui-isnt-displaying-anything/62802)

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**Author:** [@sjamesparsonsjr](https://discourse.nodered.org/u/sjamesparsonsjr)\
**Replies:** 0\
**Last updated:** [18 May 2022 13:44 UTC](https://discourse.nodered.org/t/ui-isnt-displaying-anything/62802 "2022-05-18T13:44:57Z")

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Hello all, My Node-Red editor is working but the UI isn't. UI was working yesterday, and today nothing. I created a new project with only a button and still nothing. When I view the source of the UI I get this \<!DO…

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## [UDP input two times](https://discourse.nodered.org/t/udp-input-two-times/62795)

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**Author:** [@BWTH](https://discourse.nodered.org/u/BWTH)\
**Replies:** 4\
**Last updated:** [18 May 2022 13:28 UTC](https://discourse.nodered.org/t/udp-input-two-times/62795 "2022-05-18T13:28:53Z")

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hi from my player i get an udp message. when i grap the massage with an udp receiver from pc it works. the string comes once in, but when i do the same with node red on raspberry, the string comes in two times. so is th…

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## [Netbeast arızası](https://discourse.nodered.org/t/netbeast-arizasi/62792)

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**Author:** [@kursataydac](https://discourse.nodered.org/u/kursataydac)\
**Replies:** 4\
**Last updated:** [18 May 2022 10:02 UTC](https://discourse.nodered.org/t/netbeast-arizasi/62792 "2022-05-18T10:02:12Z")

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18 May 07:03:23 - \[info\] Node-RED version: v2.1.6 18 May 07:03:23 - \[info\] Node.js version: v12.22.5 18 May 07:03:23 - \[info\] Linux 5.15.32-v7l+ arm LE 18 May 07:03:24 - \[info\] Loading palette nodes Netbeast router …

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## [Unable to connect broker:mqtt and node-red](https://discourse.nodered.org/t/unable-to-connect-broker-mqtt-and-node-red/62742)

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**Author:** [@Vineeth](https://discourse.nodered.org/u/Vineeth)\
**Replies:** 6\
**Last updated:** [18 May 2022 09:50 UTC](https://discourse.nodered.org/t/unable-to-connect-broker-mqtt-and-node-red/62742 "2022-05-18T09:50:54Z")

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I have installed mosquitto broker and Node red in my PC. I'm able to subscribe and publish messages. But in Node red i'm unable to connect to mqtt. 17 May 10:46:25 - \[info\] Starting flows 17 May 10:46:25 - \[info\] St…

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## [MQTT open files increasing on "Deploy: Restart Flows"](https://discourse.nodered.org/t/mqtt-open-files-increasing-on-deploy-restart-flows/62777)

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**Author:** [@alex88](https://discourse.nodered.org/u/alex88)\
**Replies:** 9\
**Last updated:** [18 May 2022 08:27 UTC](https://discourse.nodered.org/t/mqtt-open-files-increasing-on-deploy-restart-flows/62777 "2022-05-18T08:27:31Z")

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There is some background on the original issue in this post, however the question I am asking is changing, so opening a new thread: Mosquitto (MQTT) - Client connection from \[ip address\] denied access by tcpd - #5 by Tot…

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## [Correct position of the .npmrc file for an node-red instance](https://discourse.nodered.org/t/correct-position-of-the-npmrc-file-for-an-node-red-instance/62694)

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**Author:** [@NetHans](https://discourse.nodered.org/u/NetHans)\
**Replies:** 2\
**Last updated:** [18 May 2022 09:07 UTC](https://discourse.nodered.org/t/correct-position-of-the-npmrc-file-for-an-node-red-instance/62694 "2022-05-18T09:07:16Z")

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Hello, I am running multiple node-red instances on a Windows PC. Each instance runs the same node-red installation. I have made the separation via the settings.json file. I have one node-red installation directory and…

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## [MPI/PPI/DP communication through node-red-contrib-s7](https://discourse.nodered.org/t/mpi-ppi-dp-communication-through-node-red-contrib-s7/60943)

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**Author:** [@Nilava1992](https://discourse.nodered.org/u/Nilava1992)\
**Replies:** 3\
**Last updated:** [18 May 2022 08:45 UTC](https://discourse.nodered.org/t/mpi-ppi-dp-communication-through-node-red-contrib-s7/60943 "2022-05-18T08:45:55Z")

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Dear all, I am new to Node-Red. I have a Siemens PLC S7 CPU 315-2 DP. It has no PROFINET/ ETHERNET/MODBUS communication port and have only 2 PROFIBUS port. I want to fetch data from the PLC using 'node-red-contrib-s7'…

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## [httpStatic and projects](https://discourse.nodered.org/t/httpstatic-and-projects/62756)

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**Author:** [@he\_nodered](https://discourse.nodered.org/u/he_nodered)\
**Replies:** 3\
**Last updated:** [18 May 2022 08:11 UTC](https://discourse.nodered.org/t/httpstatic-and-projects/62756 "2022-05-18T08:11:20Z")

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Hi, I manage a few different projects using the very nice git/projects feature. However, I often always add custom visualizations, so I am wondering, if it is possible to define the httpStatic parameter in the settings.…

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## [HTTP request node does not retrieve complete data](https://discourse.nodered.org/t/http-request-node-does-not-retrieve-complete-data/62724)

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**Author:** [@kiruthika.lingam](https://discourse.nodered.org/u/kiruthika.lingam)\
**Replies:** 2\
**Last updated:** [18 May 2022 03:23 UTC](https://discourse.nodered.org/t/http-request-node-does-not-retrieve-complete-data/62724 "2022-05-18T03:23:19Z")

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I have an API which will retrieve a json with 1500+ items in an array. But the http request node retrieves only 200 items in array and remaining is not at all fetched. I tried setting apiMaxLength in settings file to …

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## [May I know how to create another toolbar? I need two toolbar](https://discourse.nodered.org/t/may-i-know-how-to-create-another-toolbar-i-need-two-toolbar/62783)

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**Author:** [@littlestupid](https://discourse.nodered.org/u/littlestupid)\
**Replies:** 1\
**Last updated:** [18 May 2022 01:47 UTC](https://discourse.nodered.org/t/may-i-know-how-to-create-another-toolbar-i-need-two-toolbar/62783 "2022-05-18T01:47:14Z")

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Hi all, regarding the topic above I would like to have 2 toolbar. May I know is it possible to create another toolbar?

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## [Image for OdroidN2+](https://discourse.nodered.org/t/image-for-odroidn2/62759)

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**Author:** [@GeorgeCastanza](https://discourse.nodered.org/u/GeorgeCastanza)\
**Replies:** 3\
**Last updated:** [17 May 2022 22:25 UTC](https://discourse.nodered.org/t/image-for-odroidn2/62759 "2022-05-17T22:25:04Z")

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I've downloaded a fresh image of Ubuntu, and previously Armbian, but both of them are stuck on Node 10, which wont install Node Red. What image would I install. Prefer desktop. Rather confused. This is what I installed …

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## [Persist Safe Mode](https://discourse.nodered.org/t/persist-safe-mode/62736)

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**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 2\
**Last updated:** [17 May 2022 19:26 UTC](https://discourse.nodered.org/t/persist-safe-mode/62736 "2022-05-17T19:26:15Z")

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Hi all, something that I feel would provide more benefits than I can think of has been raised on the node-red designs discussion - "Persist Safe Mode". Please take a look and feel free to participate.

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## [How can i package a node-red app/flow in a .exe file](https://discourse.nodered.org/t/how-can-i-package-a-node-red-app-flow-in-a-exe-file/62758)

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**Author:** [@nickscali](https://discourse.nodered.org/u/nickscali)\
**Replies:** 2\
**Last updated:** [17 May 2022 21:04 UTC](https://discourse.nodered.org/t/how-can-i-package-a-node-red-app-flow-in-a-exe-file/62758 "2022-05-17T21:04:38Z")

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Hi everyone. I state that I am new to programming, and to node red. I made a small application to read data from an omron plc (using fins) and write it to a csv file. I wanted to ask you, if it was possible to package…

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## [Node-red-node-swagger and node-red-constrib-http-custom-port](https://discourse.nodered.org/t/node-red-node-swagger-and-node-red-constrib-http-custom-port/62739)

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**Author:** [@flipzz](https://discourse.nodered.org/u/flipzz)\
**Replies:** 3\
**Last updated:** [17 May 2022 20:31 UTC](https://discourse.nodered.org/t/node-red-node-swagger-and-node-red-constrib-http-custom-port/62739 "2022-05-17T20:31:58Z")

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Hi, I am trying to get node-red-node-swagger to generate swagger documentation. I can get it working for a HTTP IN node but not the node-red-constrib-http-custom-port on a custom port. Any ideas? { "id": "6…

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## [Mosquitto (MQTT) - Client connection from \[ip address\] denied access by tcpd](https://discourse.nodered.org/t/mosquitto-mqtt-client-connection-from-ip-address-denied-access-by-tcpd/62699)

<div class="topic-metadata">

**Author:** [@alex88](https://discourse.nodered.org/u/alex88)\
**Replies:** 6\
**Last updated:** [17 May 2022 13:05 UTC](https://discourse.nodered.org/t/mosquitto-mqtt-client-connection-from-ip-address-denied-access-by-tcpd/62699 "2022-05-17T13:05:02Z")

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Hi All, Referring to this post, which is closed now: MQTT "close timeout" issue using Aedes - #14 by Steve-Mcl I've had a few instances over the past two days where NR has stopped working as expected. I've done restar…

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## [The web page is refreshed each time values are plotted on the chart.](https://discourse.nodered.org/t/the-web-page-is-refreshed-each-time-values-are-plotted-on-the-chart/62762)

<div class="topic-metadata">

**Author:** [@BorjaMas](https://discourse.nodered.org/u/BorjaMas)\
**Replies:** 0\
**Last updated:** [17 May 2022 15:46 UTC](https://discourse.nodered.org/t/the-web-page-is-refreshed-each-time-values-are-plotted-on-the-chart/62762 "2022-05-17T15:46:22Z")

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I use a graph in real-time to represent the value of the temperature that a sensor reads. This graph plots every second. Every time it goes to graph, the web page is refreshed until the application crashes. The version o…

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## [Remote working directory](https://discourse.nodered.org/t/remote-working-directory/62460)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 15\
**Last updated:** [17 May 2022 15:45 UTC](https://discourse.nodered.org/t/remote-working-directory/62460 "2022-05-17T15:45:22Z")

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Hi, I know there are plenty of topic on some way to secure node-red code. I read lots of them but for one thing or another they don't comply my needs. So my question is: I have a remote server where I would like to set …

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## [adminAuth.tokens() getting called multiple times on client load](https://discourse.nodered.org/t/adminauth-tokens-getting-called-multiple-times-on-client-load/62750)

<div class="topic-metadata">

**Author:** [@dannyhuly](https://discourse.nodered.org/u/dannyhuly)\
**Replies:** 2\
**Last updated:** [17 May 2022 14:55 UTC](https://discourse.nodered.org/t/adminauth-tokens-getting-called-multiple-times-on-client-load/62750 "2022-05-17T14:55:08Z")

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Hi, I have implemented authorization flow using adminAuth.tokens(). I have noticed a strange behavior where the callback will trigger 16 times when the application loads. See following code snippet: ... let tokenHits…

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## [Click a link to download/show a pdf file in a new browser page](https://discourse.nodered.org/t/click-a-link-to-download-show-a-pdf-file-in-a-new-browser-page/62754)

<div class="topic-metadata">

**Author:** [@QGIO](https://discourse.nodered.org/u/QGIO)\
**Replies:** 0\
**Last updated:** [17 May 2022 13:25 UTC](https://discourse.nodered.org/t/click-a-link-to-download-show-a-pdf-file-in-a-new-browser-page/62754 "2022-05-17T13:25:01Z")

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I'm looking for a solution to click a link in table and show a pdf file stored in a defined path. The idea is to: select the CODIFICA and the ID, combine these two information in order to define the filename (CODIFICA…

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## [Passing variables or params in influxdb 2 query](https://discourse.nodered.org/t/passing-variables-or-params-in-influxdb-2-query/62746)

<div class="topic-metadata">

**Author:** [@NeetaJ](https://discourse.nodered.org/u/NeetaJ)\
**Replies:** 2\
**Last updated:** [17 May 2022 12:55 UTC](https://discourse.nodered.org/t/passing-variables-or-params-in-influxdb-2-query/62746 "2022-05-17T12:55:26Z")

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Hi, I am trying to pass chipID as a VARIABLE to query influxdb as shown below but gives error. Could anyone help me on this. Query: I get the chipid in the payload as shown below, but the influx node throws error …

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