# Industrial

**URL:** https://discourse.nodered.org/c/industrial/18.md?page=3

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

**Page:** 4

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## [Influx db string](https://discourse.nodered.org/t/influx-db-string/87559)

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**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 8\
**Last updated:** [8 May 2024 10:14 UTC](https://discourse.nodered.org/t/influx-db-string/87559 "2024-05-08T10:14:01Z")

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hello, connecting influxdb with plc siemens en opcua if i try to send a string i receive this error unsupported input type for mean aggregate: string this is what i'm sending 28/4/2024 00:37:29node: debug 38 ns=4;i=8…

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## [Balluff BAV002N module RED node pallette install problem](https://discourse.nodered.org/t/balluff-bav002n-module-red-node-pallette-install-problem/87716)

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**Author:** [@mikluk](https://discourse.nodered.org/u/mikluk)\
**Replies:** 6\
**Last updated:** [7 May 2024 19:16 UTC](https://discourse.nodered.org/t/balluff-bav002n-module-red-node-pallette-install-problem/87716 "2024-05-07T19:16:29Z")

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Hi, I connect the module LAN2 port ( static address ) to the home router. On the web browser select address:50000 and through the menu select to instal pallette. Notebook is connected to the network by wifi adapter. All…

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## [Start flows with by time](https://discourse.nodered.org/t/start-flows-with-by-time/87699)

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**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 6\
**Last updated:** [4 May 2024 15:13 UTC](https://discourse.nodered.org/t/start-flows-with-by-time/87699 "2024-05-04T15:13:06Z")

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hello i'm using node red to read data from S7 1200, i made different flows and flows node is making connection with a different PLC , i wish to start flows one at the time every 30s

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## [Show some interesting things about s7-1200 PLC communication](https://discourse.nodered.org/t/show-some-interesting-things-about-s7-1200-plc-communication/87604)

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**Author:** [@benefit\_union](https://discourse.nodered.org/u/benefit_union)\
**Replies:** 4\
**Last updated:** [1 May 2024 08:18 UTC](https://discourse.nodered.org/t/show-some-interesting-things-about-s7-1200-plc-communication/87604 "2024-05-01T08:18:27Z")

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I use node-red-contrib-s7 to communicate one S7-1214C PLC .But I write wrong address length at DB6001,S1556.30 and there show error message in node-red . OK , there two questions . First : I also write wrong a…

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## [How to change storage path influxdb2](https://discourse.nodered.org/t/how-to-change-storage-path-influxdb2/87538)

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**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 13\
**Last updated:** [28 April 2024 14:11 UTC](https://discourse.nodered.org/t/how-to-change-storage-path-influxdb2/87538 "2024-04-28T14:11:26Z")

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hello every one, i'm running node-red with influxdb2 opcua connect to Siemen Plc, everything working good, but now i need to change the path to save my influxdb data, i installed influxdb using powershell, i don't know …

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## [Convert a floating data variable to holding register on a Modbus Server (Slave) TCP](https://discourse.nodered.org/t/convert-a-floating-data-variable-to-holding-register-on-a-modbus-server-slave-tcp/87507)

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**Author:** [@Alphagamma](https://discourse.nodered.org/u/Alphagamma)\
**Replies:** 13\
**Last updated:** [26 April 2024 20:55 UTC](https://discourse.nodered.org/t/convert-a-floating-data-variable-to-holding-register-on-a-modbus-server-slave-tcp/87507 "2024-04-26T20:55:03Z")

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Dear all, I'm using Node-RED version: v3.1.9 Node.js version: v20.12.2. I need to pass two variables (now i'm trying with just one, for the sake of simplicity) to a PLC and to do this I created a Modbus Server node lik…

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## [Implementing Data Synchronization from Raspberry Pi to Central SQL Server](https://discourse.nodered.org/t/implementing-data-synchronization-from-raspberry-pi-to-central-sql-server/87483)

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**Author:** [@thahamp](https://discourse.nodered.org/u/thahamp)\
**Replies:** 3\
**Last updated:** [25 April 2024 11:59 UTC](https://discourse.nodered.org/t/implementing-data-synchronization-from-raspberry-pi-to-central-sql-server/87483 "2024-04-25T11:59:43Z")

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Hi, We have a use-case where we collect data from cranes and process it using Node-RED inside a Raspberry Pi, then store it in SQLite. We have an SQL server on our centralized server that communicates with the Raspberry…

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## [Machine learning application](https://discourse.nodered.org/t/machine-learning-application/87484)

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**Author:** [@thahamp](https://discourse.nodered.org/u/thahamp)\
**Replies:** 0\
**Last updated:** [25 April 2024 11:22 UTC](https://discourse.nodered.org/t/machine-learning-application/87484 "2024-04-25T11:22:39Z")

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Is Node-RED suitable for machine learning applications? I am planning to create a machine learning model to detect digits and then pass them to the payload. I intend to deploy this model on a Raspberry Pi and connect it …

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## [Modbus rtu write single coil to arduino](https://discourse.nodered.org/t/modbus-rtu-write-single-coil-to-arduino/86833)

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**Author:** [@minixium](https://discourse.nodered.org/u/minixium)\
**Replies:** 30\
**Last updated:** [17 April 2024 00:47 UTC](https://discourse.nodered.org/t/modbus-rtu-write-single-coil-to-arduino/86833 "2024-04-17T00:47:54Z")

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Hi can someone explain to me how to change the status of the bit of a word by setting the node with the F5, below is the setting I perform 'value': val, (true or false) 'FC': 5, (the function) 'unitid': 2, (slave id) …

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## [Reconnecting automatically](https://discourse.nodered.org/t/reconnecting-automatically/86539)

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**Author:** [@AlanL](https://discourse.nodered.org/u/AlanL)\
**Replies:** 5\
**Last updated:** [12 April 2024 12:55 UTC](https://discourse.nodered.org/t/reconnecting-automatically/86539 "2024-04-12T12:55:31Z")

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I'm pretty new to node red and still pretty wet behind the ears with PLCs so I'm hoping that this is a simple answer but I haven't had any luck on google or the forums so I figured I'd go ahead and post to see if some ex…

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## [Send CSV file from Rockwell HMI Optix](https://discourse.nodered.org/t/send-csv-file-from-rockwell-hmi-optix/87096)

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**Author:** [@Jan121](https://discourse.nodered.org/u/Jan121)\
**Replies:** 4\
**Last updated:** [10 April 2024 06:23 UTC](https://discourse.nodered.org/t/send-csv-file-from-rockwell-hmi-optix/87096 "2024-04-10T06:23:42Z")

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Hello, I am new here. I am programming Rockwell HMI Optix, which has a Linux-based OS. I can't access the Linux interface from the HMI. I have created logic that generates a CSV file for the report I've created. I want t…

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## [ControlLogix --\> SQL & CSV](https://discourse.nodered.org/t/controllogix-sql-csv/86766)

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**Author:** [@lcbateman3](https://discourse.nodered.org/u/lcbateman3)\
**Replies:** 1\
**Last updated:** [7 April 2024 09:54 UTC](https://discourse.nodered.org/t/controllogix-sql-csv/86766 "2024-04-07T09:54:18Z")

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Hello everyone. Have a system that I wrote many years ago in Excel & VBA using DDE Links. Want to move away from that as its clunky and getting outdated. Need to add some new tags so this is as good of a time as ever. I…

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## [Could not save PLC output data from mqtt node to MySQL](https://discourse.nodered.org/t/could-not-save-plc-output-data-from-mqtt-node-to-mysql/86384)

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**Author:** [@Sobri](https://discourse.nodered.org/u/Sobri)\
**Replies:** 13\
**Last updated:** [1 April 2024 02:41 UTC](https://discourse.nodered.org/t/could-not-save-plc-output-data-from-mqtt-node-to-mysql/86384 "2024-04-01T02:41:54Z")

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I want to save the PLC output data to MySQL with mqtt broker, is my flow correct? Because from a week ago the error continues and the data does not enter the database. Or does anyone have a reference related to this?

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## [Read Once Setup of S7 node](https://discourse.nodered.org/t/read-once-setup-of-s7-node/86802)

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**Author:** [@dk1507](https://discourse.nodered.org/u/dk1507)\
**Replies:** 0\
**Last updated:** [27 March 2024 11:07 UTC](https://discourse.nodered.org/t/read-once-setup-of-s7-node/86802 "2024-03-27T11:07:03Z")

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Hi, Guys, I am new to node-red need help on the usage of node-red-contrib-s7. What I am trying to do is with a trigger or event, the node will read a variable from a PLC endpoint(setup via S7\_Control node). Whatever I s…

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## [Mcprotocol logging bad quality then uncaught exception](https://discourse.nodered.org/t/mcprotocol-logging-bad-quality-then-uncaught-exception/86221)

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**Author:** [@Leon001](https://discourse.nodered.org/u/Leon001)\
**Replies:** 17\
**Last updated:** [20 March 2024 10:21 UTC](https://discourse.nodered.org/t/mcprotocol-logging-bad-quality-then-uncaught-exception/86221 "2024-03-20T10:21:03Z")

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error text: " Response Header is not valid Logging a Bad Quality the Pointer 0 " it usually runs correctly but sometimes it disconnceted when i read data from mcprotocol PLC.Is there something wrong with the PLC? …

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## [Excel spreadsheet values to S7 PLC variable](https://discourse.nodered.org/t/excel-spreadsheet-values-to-s7-plc-variable/86375)

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**Author:** [@Jazzlike-bathroom](https://discourse.nodered.org/u/Jazzlike-bathroom)\
**Replies:** 7\
**Last updated:** [13 March 2024 12:25 UTC](https://discourse.nodered.org/t/excel-spreadsheet-values-to-s7-plc-variable/86375 "2024-03-13T12:25:48Z")

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Hello there, I'm new to using node red and I am wondering if it's possible to read a value off of an excel spreadsheet and use it as a variable on a PLC. The project is to clock times for workers on how long they take. I…

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## [IP MC Read in flow 1 and 2 cannot be different](https://discourse.nodered.org/t/ip-mc-read-in-flow-1-and-2-cannot-be-different/86146)

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**Author:** [@Sobri](https://discourse.nodered.org/u/Sobri)\
**Replies:** 7\
**Last updated:** [7 March 2024 02:02 UTC](https://discourse.nodered.org/t/ip-mc-read-in-flow-1-and-2-cannot-be-different/86146 "2024-03-07T02:02:35Z")

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why is the MC Read node in the red node in flow 1 and 2 when one of the MC Reads in flow 1 is changed IP why does the MC Read in flow 2 also change. How to make the IP in MC Read in flow 1 and flow 2 can be different?

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## [Inject dynamical variables in a node](https://discourse.nodered.org/t/inject-dynamical-variables-in-a-node/85957)

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**Author:** [@MystiiK](https://discourse.nodered.org/u/MystiiK)\
**Replies:** 4\
**Last updated:** [29 February 2024 13:50 UTC](https://discourse.nodered.org/t/inject-dynamical-variables-in-a-node/85957 "2024-02-29T13:50:57Z")

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Hello, I read data from an electronic card integrated in a climatic chamber. I use the node-red-contrib-telnet-client to do that (I can't use s7 nodes for example). Because we have multiples chambers, I created an obj…

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## [Npm ERR! engine Unsupported engine](https://discourse.nodered.org/t/npm-err-engine-unsupported-engine/85284)

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**Author:** [@MystiiK](https://discourse.nodered.org/u/MystiiK)\
**Replies:** 7\
**Last updated:** [14 February 2024 08:07 UTC](https://discourse.nodered.org/t/npm-err-engine-unsupported-engine/85284 "2024-02-14T08:07:00Z")

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Hi, I have developped a flow on my laptop (localhost) in order to read data on a Siemens PLC. It works perfectly well on my computer. Afterwards, I've tried to import the flow on an industrial PC (Simatic IOT2050, Siem…

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## [Node-red-contrib-iiot-opcua - OPCUA Client cannot access to the object on OPCUA server](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-opcua-client-cannot-access-to-the-object-on-opcua-server/85116)

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**Author:** [@smontoya](https://discourse.nodered.org/u/smontoya)\
**Replies:** 1\
**Last updated:** [14 February 2024 02:49 UTC](https://discourse.nodered.org/t/node-red-contrib-iiot-opcua-opcua-client-cannot-access-to-the-object-on-opcua-server/85116 "2024-02-14T02:49:21Z")

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Hello everyone, A opcua client cannot access to the objects of OPCUA server generate with node-red-contrib-iiot-opcua 4.1.2. Node-red is working over docker, and after reboot problem is solve and there is no problem to …

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## [Convert data PLC into floating value](https://discourse.nodered.org/t/convert-data-plc-into-floating-value/85114)

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**Author:** [@MystiiK](https://discourse.nodered.org/u/MystiiK)\
**Replies:** 3\
**Last updated:** [2 February 2024 08:16 UTC](https://discourse.nodered.org/t/convert-data-plc-into-floating-value/85114 "2024-02-02T08:16:18Z")

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Hello, I read values from a Siemens PLC thanks to the s7 node. However, I have now to convert the data into floating values. I've tried to use buffer-parser or maker, or doing it with a change mode or a function, but th…

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## [Creating a fetch/write request to retrieve data from a PLC](https://discourse.nodered.org/t/creating-a-fetch-write-request-to-retrieve-data-from-a-plc/84871)

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**Author:** [@MystiiK](https://discourse.nodered.org/u/MystiiK)\
**Replies:** 20\
**Last updated:** [1 February 2024 10:27 UTC](https://discourse.nodered.org/t/creating-a-fetch-write-request-to-retrieve-data-from-a-plc/84871 "2024-02-01T10:27:47Z")

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My goal is to send a fetch/write frame into a PLC with Node-Red, in order to collect data thanks to captors. I created a flow to do that (I can't upload my json file because I'm "a new user"), but I don't understand how…

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## [S7 contrib VS plc industry palette](https://discourse.nodered.org/t/s7-contrib-vs-plc-industry-palette/84599)

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**Author:** [@biniandrea84](https://discourse.nodered.org/u/biniandrea84)\
**Replies:** 1\
**Last updated:** [16 January 2024 10:09 UTC](https://discourse.nodered.org/t/s7-contrib-vs-plc-industry-palette/84599 "2024-01-16T10:09:00Z")

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Hi at all. i've a problem with palette s7-contrib and plcindustry. My hardware in made of a Siemens IPC 127E ad PLC S7-400 rack. In my project i exchange data from/to PLC e IPC. Data are temperature value that i send …

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## [Write present Value via node-bacnet-contrib-extended 0.2.0 or node-red-contrib-bacnet](https://discourse.nodered.org/t/write-present-value-via-node-bacnet-contrib-extended-0-2-0-or-node-red-contrib-bacnet/84538)

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**Author:** [@Karsten](https://discourse.nodered.org/u/Karsten)\
**Replies:** 0\
**Last updated:** [14 January 2024 19:26 UTC](https://discourse.nodered.org/t/write-present-value-via-node-bacnet-contrib-extended-0-2-0-or-node-red-contrib-bacnet/84538 "2024-01-14T19:26:55Z")

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Dear Community, I am currently testing the following BACnet plugins: node-bacnet-contrib-extended 0.2.0 and node-red-contrib-bacnet. The test with node-red-contrib-bacnet went very well, but when writing the present…

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## [Have any of you ever found a BACnet Server Node?](https://discourse.nodered.org/t/have-any-of-you-ever-found-a-bacnet-server-node/84182)

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**Author:** [@Karsten](https://discourse.nodered.org/u/Karsten)\
**Replies:** 1\
**Last updated:** [1 January 2024 17:03 UTC](https://discourse.nodered.org/t/have-any-of-you-ever-found-a-bacnet-server-node/84182 "2024-01-01T17:03:00Z")

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Hello community, I am looking for a BACnet Server Node. At the moment I have only found nodes that work as BACnet clients. My wish would be a node where you could specify the BACnet device ID and then have a pool of b…

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## [Communication entre S7 1200 avec node red](https://discourse.nodered.org/t/communication-entre-s7-1200-avec-node-red/84088)

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**Author:** [@nioureddine](https://discourse.nodered.org/u/nioureddine)\
**Replies:** 8\
**Last updated:** [28 December 2023 21:44 UTC](https://discourse.nodered.org/t/communication-entre-s7-1200-avec-node-red/84088 "2023-12-28T21:44:48Z")

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"Bonsoir tout le monde, j'ai besoin d'aide. J'ai créé un flow sur Node-RED contenant plusieurs nœuds tels que les fonctions, RabbitMQ, et les nœuds S7 In/S7 Out. J'ai effectué des tests avec mon ordinateur qui contient T…

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## [Client Crash when trying events listening](https://discourse.nodered.org/t/client-crash-when-trying-events-listening/83692)

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**Author:** [@rui.silva](https://discourse.nodered.org/u/rui.silva)\
**Replies:** 2\
**Last updated:** [18 December 2023 11:15 UTC](https://discourse.nodered.org/t/client-crash-when-trying-events-listening/83692 "2023-12-18T11:15:41Z")

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Hello, I'm trying the example flow for event listening, and only changing the OPC Server address. I'm using node-red-contrib-opcua v:0.2.320 on a docker container with the latest version of node-red. When I inject , t…

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## [Node-Red will not start after adding the open weather nodes](https://discourse.nodered.org/t/node-red-will-not-start-after-adding-the-open-weather-nodes/83652)

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**Author:** [@jts450](https://discourse.nodered.org/u/jts450)\
**Replies:** 30\
**Last updated:** [14 December 2023 09:44 UTC](https://discourse.nodered.org/t/node-red-will-not-start-after-adding-the-open-weather-nodes/83652 "2023-12-14T09:44:16Z")

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To start I have node-red installed on a windows 10 PC I installed this node but did not fully configure it with the API so it would not let me deploy it so I removed it from the flow but now I cant start node red normal…

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## [OPC Events - Kistler ComoNeo Sensor - can't make it work](https://discourse.nodered.org/t/opc-events-kistler-comoneo-sensor-cant-make-it-work/83506)

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**Author:** [@rui.silva](https://discourse.nodered.org/u/rui.silva)\
**Replies:** 2\
**Last updated:** [13 December 2023 14:57 UTC](https://discourse.nodered.org/t/opc-events-kistler-comoneo-sensor-cant-make-it-work/83506 "2023-12-13T14:57:01Z")

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Hello, I need your help... I need to subscrive to an Event on a OPC-UA server from Kistler. With UA Expert, and can see the event being subscrive an can check the values, etc. Using either 1. node-red-contrib-iiot-op…

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## [Implemenation of ASTM 1394 or CLSI LIS2 serial messages over TCP/IP](https://discourse.nodered.org/t/implemenation-of-astm-1394-or-clsi-lis2-serial-messages-over-tcp-ip/83517)

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**Author:** [@Kvit](https://discourse.nodered.org/u/Kvit)\
**Replies:** 1\
**Last updated:** [8 December 2023 13:37 UTC](https://discourse.nodered.org/t/implemenation-of-astm-1394-or-clsi-lis2-serial-messages-over-tcp-ip/83517 "2023-12-08T13:37:40Z")

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Does anyone have any references to implementing serial communications over TCP/IP using message protocols ASTM 1394 or CLSI LIS02 ? Any pointers/references are highly appreciated.

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