# Industrial

**URL:** https://discourse.nodered.org/c/industrial/18.md?page=11

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

**Page:** 12

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## [How write data to single register with LE (Modbus-RTU)?](https://discourse.nodered.org/t/how-write-data-to-single-register-with-le-modbus-rtu/59948)

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**Author:** [@Alex\_UA](https://discourse.nodered.org/u/Alex_UA)\
**Replies:** 0\
**Last updated:** [16 March 2022 20:10 UTC](https://discourse.nodered.org/t/how-write-data-to-single-register-with-le-modbus-rtu/59948 "2022-03-16T20:10:52Z")

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Hello. I ran into a problem, please help me find a solution. There is a two-channel relay with Modbus, I use the package to communicate with it node-red-contrib-modbus Read channel 1 and channel 2 state ：01 03 00 01 00…

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## [Mitsubishi MC Protocol Read Node Not connected or timeout](https://discourse.nodered.org/t/mitsubishi-mc-protocol-read-node-not-connected-or-timeout/59733)

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**Author:** [@jts450](https://discourse.nodered.org/u/jts450)\
**Replies:** 24\
**Last updated:** [14 March 2022 20:05 UTC](https://discourse.nodered.org/t/mitsubishi-mc-protocol-read-node-not-connected-or-timeout/59733 "2022-03-14T20:05:51Z")

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I am not able to establish communication to Mitsubishi PLC. here are some of the setup screens on PLC and Read node. I have tried to change some of the node setting and I am yet to establish connection. Any Idea for me t…

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## [Modbus TCP iSMA-B-MIX38-IP](https://discourse.nodered.org/t/modbus-tcp-isma-b-mix38-ip/59513)

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**Author:** [@Kimovitzh](https://discourse.nodered.org/u/Kimovitzh)\
**Replies:** 1\
**Last updated:** [9 March 2022 21:57 UTC](https://discourse.nodered.org/t/modbus-tcp-isma-b-mix38-ip/59513 "2022-03-09T21:57:33Z")

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New guy here :raised\_hand: I'm trying to learn node-red over programming BMS in Niagara. Coming from Niagara I have a couple of iSMA MIX38 IO's that I'm trying to communicate with in node-red via modbus TCP/IP. In Nia…

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## [Node red OPC UA server not updating](https://discourse.nodered.org/t/node-red-opc-ua-server-not-updating/59214)

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**Author:** [@dinesh](https://discourse.nodered.org/u/dinesh)\
**Replies:** 7\
**Last updated:** [8 March 2022 00:29 UTC](https://discourse.nodered.org/t/node-red-opc-ua-server-not-updating/59214 "2022-03-08T00:29:58Z")

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Hi, I am setting up OPC UA server(0.2.236) in node red. Using some online code I was able to set it up. However, when Using Prosys OPC UA Client for testing, i'm able to to see the variable but the problem it is not u…

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## [Issue with opcua and s7 -\> OPCServer in node red with many tags](https://discourse.nodered.org/t/issue-with-opcua-and-s7-opcserver-in-node-red-with-many-tags/58920)

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**Author:** [@JK\_Men](https://discourse.nodered.org/u/JK_Men)\
**Replies:** 2\
**Last updated:** [7 March 2022 07:29 UTC](https://discourse.nodered.org/t/issue-with-opcua-and-s7-opcserver-in-node-red-with-many-tags/58920 "2022-03-07T07:29:01Z")

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Hello, I am using: node-red-contrib-s7 node-red-contrib-opcua currently I am struggling with a flow to create many tags (approx. 800). I am using OPCUA-IIoT-Inject-\>OPCUA-IIoT-Server-ASO-\>OPCUA-IIoT-Sver to create t…

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## [OPCUA server initialization](https://discourse.nodered.org/t/opcua-server-initialization/58027)

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**Author:** [@FabioT](https://discourse.nodered.org/u/FabioT)\
**Replies:** 1\
**Last updated:** [6 March 2022 19:51 UTC](https://discourse.nodered.org/t/opcua-server-initialization/58027 "2022-03-06T19:51:19Z")

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Hi All, I'm using node-red-contrib-opcua nodes to create an opcua server on my application. Sometime, during server initialization (when server struct is created) I have an error like "ns=1,s=FolderName already registe…

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## [IOT2040 node-red-contrib-fred](https://discourse.nodered.org/t/iot2040-node-red-contrib-fred/59435)

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**Author:** [@KasiaM](https://discourse.nodered.org/u/KasiaM)\
**Replies:** 6\
**Last updated:** [6 March 2022 13:43 UTC](https://discourse.nodered.org/t/iot2040-node-red-contrib-fred/59435 "2022-03-06T13:43:08Z")

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Hi, I am new to node red and IOT2040 and I am trying to connect my process with node-red fred cloud via Siemens IOT2040. I have installed node-red-contrib-fred on my IOT2040 using npm install -g node-red-contrib-fred …

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## [Nodered Modbus TCP Maico KWL](https://discourse.nodered.org/t/nodered-modbus-tcp-maico-kwl/59283)

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**Author:** [@marco1990](https://discourse.nodered.org/u/marco1990)\
**Replies:** 0\
**Last updated:** [3 March 2022 09:53 UTC](https://discourse.nodered.org/t/nodered-modbus-tcp-maico-kwl/59283 "2022-03-03T09:53:42Z")

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Hello, I would read and write my Maico KWL. The "Lüftungsanlage" is created and connected. I would write "Stoßlüftung " to on but it did not work. The payload 1 send but nothing do. \[{"id":"c8bb1d688921ebde","type":"t…

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## [Modbus node output data not as expected](https://discourse.nodered.org/t/modbus-node-output-data-not-as-expected/59353)

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**Author:** [@naveenpnk6](https://discourse.nodered.org/u/naveenpnk6)\
**Replies:** 4\
**Last updated:** [4 March 2022 13:37 UTC](https://discourse.nodered.org/t/modbus-node-output-data-not-as-expected/59353 "2022-03-04T13:37:00Z")

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Hello Guys, This my first experience with Node red. My project aim is to collect data from Schneider PLC using Modbus node. Whenever I connect my plc with Node red, Only I got wrong data from modbus. Like if my plc data …

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## [Connecting input S7 300 to homekit input turn light on](https://discourse.nodered.org/t/connecting-input-s7-300-to-homekit-input-turn-light-on/59187)

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**Author:** [@orelio](https://discourse.nodered.org/u/orelio)\
**Replies:** 0\
**Last updated:** [1 March 2022 17:15 UTC](https://discourse.nodered.org/t/connecting-input-s7-300-to-homekit-input-turn-light-on/59187 "2022-03-01T17:15:00Z")

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cannot raech input plc db3,x0.1 on input homekit turn on light msg.payload :error invalid type boolean i try a lot off things but it don't work can sombody help me please plc s7 300 software simatic manager with put…

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## [Buffer-parser parsing 32bitBE fails](https://discourse.nodered.org/t/buffer-parser-parsing-32bitbe-fails/59135)

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**Author:** [@jsail](https://discourse.nodered.org/u/jsail)\
**Replies:** 4\
**Last updated:** [2 March 2022 11:01 UTC](https://discourse.nodered.org/t/buffer-parser-parsing-32bitbe-fails/59135 "2022-03-02T11:01:28Z")

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I have trouble to parse 32bit Value using buffer-parser node This is the Input: \[ff,ff,ef,a0\] SyntaxError: Unexpected token f in JSON at position 2 My expected Value is: -4192 Thanks for help Joseph

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## [OMRONFINS-OMRON CS1G-TypeError: self.socket.connect is not a function](https://discourse.nodered.org/t/omronfins-omron-cs1g-typeerror-self-socket-connect-is-not-a-function/57126)

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**Author:** [@dinesh](https://discourse.nodered.org/u/dinesh)\
**Replies:** 14\
**Last updated:** [2 March 2022 04:44 UTC](https://discourse.nodered.org/t/omronfins-omron-cs1g-typeerror-self-socket-connect-is-not-a-function/57126 "2022-03-02T04:44:35Z")

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Hi, I'm using omronfins node to connect to my omron plc(CS1G) via CJ1W-EIP21. I am trying to read some data from the plc. I am using the 'read' example provided. When I inject, the node shows not connected. The debug …

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## [Access different nodes values in function to Enable different Outputs](https://discourse.nodered.org/t/access-different-nodes-values-in-function-to-enable-different-outputs/58830)

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**Author:** [@obi1987](https://discourse.nodered.org/u/obi1987)\
**Replies:** 13\
**Last updated:** [23 February 2022 11:30 UTC](https://discourse.nodered.org/t/access-different-nodes-values-in-function-to-enable-different-outputs/58830 "2022-02-23T11:30:02Z")

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Hello, I want to read different nodes values in the function to enable different outputs. How can I do that? Thanks

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## [Deploying/upgrading node red application](https://discourse.nodered.org/t/deploying-upgrading-node-red-application/58624)

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**Author:** [@jtheoret-hardt](https://discourse.nodered.org/u/jtheoret-hardt)\
**Replies:** 3\
**Last updated:** [19 February 2022 15:49 UTC](https://discourse.nodered.org/t/deploying-upgrading-node-red-application/58624 "2022-02-19T15:49:11Z")

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I have a Node Red application that runs on Raspberry Pi controls an industrial device. The application is in fact it's a hybrid Python/Flask REST API and Node Red package. The current deployment flow is quite tedious. W…

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## [Modbus error "FC Not Valid" Yaskawa ga500](https://discourse.nodered.org/t/modbus-error-fc-not-valid-yaskawa-ga500/58616)

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**Author:** [@Bester1234](https://discourse.nodered.org/u/Bester1234)\
**Replies:** 0\
**Last updated:** [18 February 2022 18:23 UTC](https://discourse.nodered.org/t/modbus-error-fc-not-valid-yaskawa-ga500/58616 "2022-02-18T18:23:19Z")

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Can someone assist me with this error "FC Not Valid" 2/18/2022, 7:27:29 PMnode: 876daccbf05b1c27msg : string\[12\] "FC Not Valid" none of the write Function Codes work, the same error on all Write functions this is a Y…

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## [Clickbot for web application](https://discourse.nodered.org/t/clickbot-for-web-application/57570)

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**Author:** [@noodie](https://discourse.nodered.org/u/noodie)\
**Replies:** 2\
**Last updated:** [1 February 2022 13:21 UTC](https://discourse.nodered.org/t/clickbot-for-web-application/57570 "2022-02-01T13:21:58Z")

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is it possible to automate a web application with a kind of clickbot with node red? So I mean, is there a pre-made palette for this?

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## [Unmanned Weighbridge System with Node RED](https://discourse.nodered.org/t/unmanned-weighbridge-system-with-node-red/57513)

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**Author:** [@swetha25](https://discourse.nodered.org/u/swetha25)\
**Replies:** 2\
**Last updated:** [31 January 2022 06:13 UTC](https://discourse.nodered.org/t/unmanned-weighbridge-system-with-node-red/57513 "2022-01-31T06:13:15Z")

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Hello all, I am working on an industrial solution named as Unmanned Weighbridge System. The architecture is designed such that Node RED is the middleware application that interacts with a variety of software tools such…

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## [Modbus-tcp object convert to readable value](https://discourse.nodered.org/t/modbus-tcp-object-convert-to-readable-value/57436)

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**Author:** [@VinistoisR](https://discourse.nodered.org/u/VinistoisR)\
**Replies:** 2\
**Last updated:** [29 January 2022 05:33 UTC](https://discourse.nodered.org/t/modbus-tcp-object-convert-to-readable-value/57436 "2022-01-29T05:33:00Z")

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Hey all, I am using modbus-tcp and am getting a register that looks like this: this represents a number that should look roughly like 122.xxx My documentation says it's a 32 bit float. I'm using the buffer-parser n…

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## [Omron FINS Write & Buffer-Parser String](https://discourse.nodered.org/t/omron-fins-write-buffer-parser-string/57246)

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**Author:** [@Javier](https://discourse.nodered.org/u/Javier)\
**Replies:** 2\
**Last updated:** [26 January 2022 11:15 UTC](https://discourse.nodered.org/t/omron-fins-write-buffer-parser-string/57246 "2022-01-26T11:15:46Z")

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Hi all, I am trying to send 1 string variable to an omron "CP1L" PLC My goal in this test is to send 8 characters: "abcdefghij" to the 5 memory channels D2110...D2114 2 characters on each channel However, I only mana…

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## [IoT2040 Analog Input](https://discourse.nodered.org/t/iot2040-analog-input/57015)

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**Author:** [@jmm](https://discourse.nodered.org/u/jmm)\
**Replies:** 0\
**Last updated:** [21 January 2022 13:59 UTC](https://discourse.nodered.org/t/iot2040-analog-input/57015 "2022-01-21T13:59:53Z")

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Hi everyone, I'm using a IoT2040 with the example image (node red v1.2.1) with the input/output module. I want to get data from a sensor with 4-20 mA output. By default, this node red version comes with "intel-gpio" nod…

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## [Node-red-contrib-opcua server persistent](https://discourse.nodered.org/t/node-red-contrib-opcua-server-persistent/56455)

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**Author:** [@hexfet75](https://discourse.nodered.org/u/hexfet75)\
**Replies:** 3\
**Last updated:** [18 January 2022 19:25 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-server-persistent/56455 "2022-01-18T19:25:33Z")

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Hello, i'm new user, but i need to use an OPCUA server in nodered to exchange variable from panel PC to device with nodered installed. So i tried a node OpcUa-Server, i add variable, but there is not persistent, so whe…

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## [Write to Modbus TCP holding registers](https://discourse.nodered.org/t/write-to-modbus-tcp-holding-registers/56707)

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**Author:** [@hjojohan1](https://discourse.nodered.org/u/hjojohan1)\
**Replies:** 5\
**Last updated:** [16 January 2022 22:24 UTC](https://discourse.nodered.org/t/write-to-modbus-tcp-holding-registers/56707 "2022-01-16T22:24:13Z")

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Hi I want to create a ModbusTCP slave(server) using NodeRed where I can write values from my Lorawan gateway so that a PLC can connect to the modbus slave and retrieve the decoded data. I am trying to write value 1601.…

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## [Node s7comm connection parameter](https://discourse.nodered.org/t/node-s7comm-connection-parameter/56583)

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**Author:** [@eazzarito](https://discourse.nodered.org/u/eazzarito)\
**Replies:** 0\
**Last updated:** [13 January 2022 10:47 UTC](https://discourse.nodered.org/t/node-s7comm-connection-parameter/56583 "2022-01-13T10:47:28Z")

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Hello everyone, is it possible to set the connection value of s7 node via function? This value must be dynamic and change when a machine with a different ip is used. Thanks for support

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## [Modbus RTU problem](https://discourse.nodered.org/t/modbus-rtu-problem/56450)

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**Author:** [@jmm](https://discourse.nodered.org/u/jmm)\
**Replies:** 6\
**Last updated:** [14 January 2022 13:13 UTC](https://discourse.nodered.org/t/modbus-rtu-problem/56450 "2022-01-14T13:13:46Z")

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Hi everyone! I am using a raspberry pi 3 to read data from a sensor. The communication protocol is modbus rtu. To connect the sensor I am using the adapter of the picture. The nodes I use are "node-red-contrib-modbus 5.…

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## [Can’t install node-red-contrib-serial-modbus still not working?](https://discourse.nodered.org/t/can-t-install-node-red-contrib-serial-modbus-still-not-working/56469)

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**Author:** [@PAT](https://discourse.nodered.org/u/PAT)\
**Replies:** 1\
**Last updated:** [11 January 2022 14:04 UTC](https://discourse.nodered.org/t/can-t-install-node-red-contrib-serial-modbus-still-not-working/56469 "2022-01-11T14:04:08Z")

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hi all does any one know if this issue has been resolved or a better way to do it Can’t install node-red-contrib-serial-modbus i am working on a project that requires modbus rtu and i need to drive the port from uart. …

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## [OPC-UA Error: "Invalid Channel BadConnectionClosed"](https://discourse.nodered.org/t/opc-ua-error-invalid-channel-badconnectionclosed/56386)

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**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 0\
**Last updated:** [10 January 2022 10:17 UTC](https://discourse.nodered.org/t/opc-ua-error-invalid-channel-badconnectionclosed/56386 "2022-01-10T10:17:24Z")

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I have been developing a system to read information from some production lines using OPC-UA. After a bit of a rough start, my system currently includes 4 lines that are working without incidents. I'm trying to include …

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## [Demo Modbus or Ethernet Softwares](https://discourse.nodered.org/t/demo-modbus-or-ethernet-softwares/56377)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 3\
**Last updated:** [10 January 2022 07:40 UTC](https://discourse.nodered.org/t/demo-modbus-or-ethernet-softwares/56377 "2022-01-10T07:40:24Z")

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Hii.. I am trying to build node red gateway that will talk to plcs to get the data using modbus/Ethernet. So, Can anyone suggest me any demo plc software so that I can connect node red to that plc?

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## [Feedback welcome on new machine learning APIs](https://discourse.nodered.org/t/feedback-welcome-on-new-machine-learning-apis/56258)

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**Author:** [@elipsa](https://discourse.nodered.org/u/elipsa)\
**Replies:** 0\
**Last updated:** [7 January 2022 14:48 UTC](https://discourse.nodered.org/t/feedback-welcome-on-new-machine-learning-apis/56258 "2022-01-07T14:48:09Z")

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Hi everyone, we have just released our machine learning and advanced analytics APIs in a free sandbox. The goal is to integrate outlier detection and advanced analytics for predictive maintenance and asset monitoring di…

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## [Node-red-contrib-s7: all db data in one shot](https://discourse.nodered.org/t/node-red-contrib-s7-all-db-data-in-one-shot/56200)

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**Author:** [@Lupin\_III](https://discourse.nodered.org/u/Lupin_III)\
**Replies:** 0\
**Last updated:** [6 January 2022 12:41 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-all-db-data-in-one-shot/56200 "2022-01-06T12:41:13Z")

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Hi, I'm using node-red-contrib-s7 to connect S7-1200 PLC with no problem since a while. Now the project is changing sensibly and I need to read all db which has more than 300 variable (every one second at least). There…

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## [OEE with Node-Red](https://discourse.nodered.org/t/oee-with-node-red/56067)

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**Author:** [@jmccc](https://discourse.nodered.org/u/jmccc)\
**Replies:** 3\
**Last updated:** [5 January 2022 12:01 UTC](https://discourse.nodered.org/t/oee-with-node-red/56067 "2022-01-05T12:01:50Z")

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Hi, I am trying to make OEE calculations with the help of node red. In this function i'm trying to calculate the availability parameter (A). I am trying to write a function to give me the availability value, but no matt…

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