# Industrial

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

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

**Page:** 19

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## [How select and send to BBDD only the changed values](https://discourse.nodered.org/t/how-select-and-send-to-bbdd-only-the-changed-values/33147)

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**Author:** [@Jotarod](https://discourse.nodered.org/u/Jotarod)\
**Replies:** 5\
**Last updated:** [10 November 2020 02:00 UTC](https://discourse.nodered.org/t/how-select-and-send-to-bbdd-only-the-changed-values/33147 "2020-11-10T02:00:10Z")

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Dear all, I am using the node s7 to read some data from a PLC, https://www.npmjs.com/package/node-red-contrib-s7 I am reading and getting the data correctly. In the node configuration exist a checkbox to get data only…

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## [Send skript to serial device and see the response](https://discourse.nodered.org/t/send-skript-to-serial-device-and-see-the-response/33882)

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**Author:** [@Thierry\_Bryan](https://discourse.nodered.org/u/Thierry_Bryan)\
**Replies:** 1\
**Last updated:** [10 November 2020 01:55 UTC](https://discourse.nodered.org/t/send-skript-to-serial-device-and-see-the-response/33882 "2020-11-10T01:55:11Z")

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Hello, i use Node-red on my IOT2040 and i want to send comandos to Scalance S unter serial port. Have you a idea please ?

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## [Communicate s7-1200 with node-red via contrib industrialcomm](https://discourse.nodered.org/t/communicate-s7-1200-with-node-red-via-contrib-industrialcomm/35295)

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**Author:** [@ronald.social](https://discourse.nodered.org/u/ronald.social)\
**Replies:** 1\
**Last updated:** [9 November 2020 23:12 UTC](https://discourse.nodered.org/t/communicate-s7-1200-with-node-red-via-contrib-industrialcomm/35295 "2020-11-09T23:12:39Z")

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Hello everyone, I'm having trouble reading data from a db of the s7-1200, the db is missing the offset column and I can't enable it, I wanted the help of you to set up my industrialcomm node to read this data, follow th…

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## [Node red confuguration to micro820](https://discourse.nodered.org/t/node-red-confuguration-to-micro820/35457)

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**Author:** [@Byron](https://discourse.nodered.org/u/Byron)\
**Replies:** 0\
**Last updated:** [6 November 2020 15:26 UTC](https://discourse.nodered.org/t/node-red-confuguration-to-micro820/35457 "2020-11-06T15:26:14Z")

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Hi folks, I am try configure the ethernet/ip node but is not working, my PLC is a Rockell Micro820 and I am using the CCW software, so someone know if this PLC family is compatible with this communication? Thank you.

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## [S7/S7comm data to mindconnect node format?](https://discourse.nodered.org/t/s7-s7comm-data-to-mindconnect-node-format/34987)

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**Author:** [@Sunny\_Z](https://discourse.nodered.org/u/Sunny_Z)\
**Replies:** 5\
**Last updated:** [2 November 2020 08:40 UTC](https://discourse.nodered.org/t/s7-s7comm-data-to-mindconnect-node-format/34987 "2020-11-02T08:40:18Z")

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Hi, how is everyone? So I'm trying to read some data from a S1200 PLC via either an S7 (node-red-contrib-s7) or S7comm (node-red-contrib-s7comm) node (which works fine). I'm also supposed to forward that data to MindSph…

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## [Read variable from OMRON](https://discourse.nodered.org/t/read-variable-from-omron/9727)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 56\
**Last updated:** [29 October 2020 13:35 UTC](https://discourse.nodered.org/t/read-variable-from-omron/9727 "2020-10-29T13:35:01Z")

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How can i be able to read variable sent from OMRON PLC ?? i have have successfuly connect to serial port (Com4) but still not able to read data ?? Any idea PLZ ?

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## [Transfer data from robot controller to Node-red](https://discourse.nodered.org/t/transfer-data-from-robot-controller-to-node-red/34976)

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**Author:** [@Anne](https://discourse.nodered.org/u/Anne)\
**Replies:** 8\
**Last updated:** [28 October 2020 21:24 UTC](https://discourse.nodered.org/t/transfer-data-from-robot-controller-to-node-red/34976 "2020-10-28T21:24:34Z")

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hi everyone, Does anyone here have experience in sending data from robot controller to Node-red?

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## [RS232 to Modbus TCP - Rego 637](https://discourse.nodered.org/t/rs232-to-modbus-tcp-rego-637/34934)

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**Author:** [@pimpera](https://discourse.nodered.org/u/pimpera)\
**Replies:** 0\
**Last updated:** [28 October 2020 07:47 UTC](https://discourse.nodered.org/t/rs232-to-modbus-tcp-rego-637/34934 "2020-10-28T07:47:32Z")

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Hello. I try to. I'm learning. But I don't know how to do it. I have a Raspberry PI 3B +. I need an RS232 to Modbus TCP converter. I have a REGO 637 regulation. The protocol is on the web: \[http://rago600.sourceforge…

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## [Modbus communication buffer parser to bigint64](https://discourse.nodered.org/t/modbus-communication-buffer-parser-to-bigint64/34941)

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**Author:** [@Adri\_gl](https://discourse.nodered.org/u/Adri_gl)\
**Replies:** 12\
**Last updated:** [28 October 2020 11:17 UTC](https://discourse.nodered.org/t/modbus-communication-buffer-parser-to-bigint64/34941 "2020-10-28T11:17:30Z")

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i have problem converting to big integer from 4 element array like in picture. The configuration is as follows: when i convert to an int32 i have the data on the second item of the array, but when i convert to an b…

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## [Can I transfer data from PLC Omron to Node Red using Host Link Protocol?](https://discourse.nodered.org/t/can-i-transfer-data-from-plc-omron-to-node-red-using-host-link-protocol/34311)

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**Author:** [@Anne](https://discourse.nodered.org/u/Anne)\
**Replies:** 7\
**Last updated:** [26 October 2020 18:22 UTC](https://discourse.nodered.org/t/can-i-transfer-data-from-plc-omron-to-node-red-using-host-link-protocol/34311 "2020-10-26T18:22:07Z")

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hi everyone. Im new here. I have a question, can I transfer data from PLC Omron to node red using host link protocol?

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## [Multiple Modbus Servers to be read](https://discourse.nodered.org/t/multiple-modbus-servers-to-be-read/34498)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 20\
**Last updated:** [23 October 2020 13:29 UTC](https://discourse.nodered.org/t/multiple-modbus-servers-to-be-read/34498 "2020-10-23T13:29:24Z")

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Hi folks, I\`ve set up two modbus servers on Tia Portal. Each read node is set up to each Modbus server. I can\`t seem to access each one simultaneously from the same devcie? Each one is set up to each Modbus conn…

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## [Schneider modbus Float32 IEM3350](https://discourse.nodered.org/t/schneider-modbus-float32-iem3350/34574)

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**Author:** [@tcaccia](https://discourse.nodered.org/u/tcaccia)\
**Replies:** 2\
**Last updated:** [22 October 2020 07:50 UTC](https://discourse.nodered.org/t/schneider-modbus-float32-iem3350/34574 "2020-10-22T07:50:48Z")

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Hi all, I'm trying to convert the array that the modbus receiver keep from the IEM3350 I have some problem: when I put this function that I've found on a YouTube video from an official schneider tutorial, it doesn't w…

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## [Help on Error on MODBUS Write to Fronius Primo 501](https://discourse.nodered.org/t/help-on-error-on-modbus-write-to-fronius-primo-501/33913)

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**Author:** [@samos](https://discourse.nodered.org/u/samos)\
**Replies:** 5\
**Last updated:** [18 October 2020 02:39 UTC](https://discourse.nodered.org/t/help-on-error-on-modbus-write-to-fronius-primo-501/33913 "2020-10-18T02:39:14Z")

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Hello, Long time learner - first time poster here :slight\_smile: I've managed to write up a number of flows that communicate successfully in reading from my Fronius Primo 501 using both API v1 as well as MODBUS reads, …

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## [OPC UA client node error](https://discourse.nodered.org/t/opc-ua-client-node-error/33222)

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**Author:** [@John\_Barry](https://discourse.nodered.org/u/John_Barry)\
**Replies:** 3\
**Last updated:** [16 October 2020 06:23 UTC](https://discourse.nodered.org/t/opc-ua-client-node-error/33222 "2020-10-16T06:23:18Z")

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Hi, I have a working flow reading values from a PLC using OPC UA. The debug node returns the correct value but is followed by an error message "Client node error on: PLC" Any ideas why this error is there? 9/23/2020,…

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## [Node-red-contrib-s7 LOGO! 7 (0BA7)](https://discourse.nodered.org/t/node-red-contrib-s7-logo-7-0ba7/34309)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 0\
**Last updated:** [15 October 2020 16:52 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-logo-7-0ba7/34309 "2020-10-15T16:52:35Z")

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Hello Has anyone already used the node-red-contrib-s7 module to control a Siemens LOGO! 7 (0BA7 standard)? The communication with a LOGO!8 (0BA8) works perfectly. Node Red always says that the logo7 is online but no ac…

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## [Isolated Pi Bridge](https://discourse.nodered.org/t/isolated-pi-bridge/33641)

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**Author:** [@awsteve](https://discourse.nodered.org/u/awsteve)\
**Replies:** 8\
**Last updated:** [14 October 2020 20:52 UTC](https://discourse.nodered.org/t/isolated-pi-bridge/33641 "2020-10-14T20:52:12Z")

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We want to connect 2 isolated ethernet networks with Raspberry Pi's (and keep them isolated). One Pi needs to talk to a machine on a vendor network, the other needs to talk to our corporate network. We could do this wi…

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## [Modbus : Error of lenght](https://discourse.nodered.org/t/modbus-error-of-lenght/33887)

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**Author:** [@INCASE](https://discourse.nodered.org/u/INCASE)\
**Replies:** 3\
**Last updated:** [7 October 2020 15:23 UTC](https://discourse.nodered.org/t/modbus-error-of-lenght/33887 "2020-10-07T15:23:16Z")

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Hi all, I'm using a P30H captor from Lummel and I would like to collect the value from the captor by the Modbus TCP/IP Protocol. I verified the slave id, register and IP adress with Modbus Doctor. But when I tried t…

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## [Connecting PLC to node-red through MPI-USB Adapter](https://discourse.nodered.org/t/connecting-plc-to-node-red-through-mpi-usb-adapter/33655)

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**Author:** [@umair](https://discourse.nodered.org/u/umair)\
**Replies:** 0\
**Last updated:** [2 October 2020 06:46 UTC](https://discourse.nodered.org/t/connecting-plc-to-node-red-through-mpi-usb-adapter/33655 "2020-10-02T06:46:26Z")

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Hey i am facing a problem connecting my siemen s7-300 plc to pi 4b through mpi-usb adapter. It says error connecting to plc wrong MPI address \[0\]. I have installed all the libraries for the adapter like MPI-USB library,…

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## [PLC Register Values to Actual Real values](https://discourse.nodered.org/t/plc-register-values-to-actual-real-values/33540)

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**Author:** [@umair](https://discourse.nodered.org/u/umair)\
**Replies:** 6\
**Last updated:** [1 October 2020 10:01 UTC](https://discourse.nodered.org/t/plc-register-values-to-actual-real-values/33540 "2020-10-01T10:01:07Z")

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Hey, I am collecting data from my PLC Siemen S7-300 to node-red using raspberry pi 4B (2GB) model over ethernet but my PLC has 317-2DP CPU that's why there is no ethernet port so I am trying to fetch data from Weintek H…

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## [Mitsubishi Q Series Node Red Help](https://discourse.nodered.org/t/mitsubishi-q-series-node-red-help/33337)

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**Author:** [@GlobalAutomation](https://discourse.nodered.org/u/GlobalAutomation)\
**Replies:** 14\
**Last updated:** [30 September 2020 10:00 UTC](https://discourse.nodered.org/t/mitsubishi-q-series-node-red-help/33337 "2020-09-30T10:00:22Z")

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Hello, trying to get some basic tags/data out of Mitsi Q series PLC. Im used to Siemens/Rockwell and have good success with Node Red and those nodes. Now trying to use node-red-contrib-mcprotocol. Theres maybe another wa…

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## [Data acquistions in synchronous way](https://discourse.nodered.org/t/data-acquistions-in-synchronous-way/33286)

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**Author:** [@vishalk](https://discourse.nodered.org/u/vishalk)\
**Replies:** 13\
**Last updated:** [28 September 2020 13:39 UTC](https://discourse.nodered.org/t/data-acquistions-in-synchronous-way/33286 "2020-09-28T13:39:23Z")

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Hello, I am using Node red version v1.1.3 I am getting resistance data from PLC and then using Node-red for acquistion and monitoring with data on grafana. But, all data are not synchronized.I want data to be synchron…

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## [Communication with Mitsubishi FX3G over USB Cable](https://discourse.nodered.org/t/communication-with-mitsubishi-fx3g-over-usb-cable/33193)

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**Author:** [@machadotiago](https://discourse.nodered.org/u/machadotiago)\
**Replies:** 0\
**Last updated:** [22 September 2020 19:18 UTC](https://discourse.nodered.org/t/communication-with-mitsubishi-fx3g-over-usb-cable/33193 "2020-09-22T19:18:42Z")

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We have a situation where we need to communicate with a Mitsubishi FX3G PLC, but the problem is that only the USB port of the PLC is available (buying new Mitsubishi modules is out of scope). I couldn't find which protoc…

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## [Front montant du signal](https://discourse.nodered.org/t/front-montant-du-signal/33145)

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**Author:** [@hassengh](https://discourse.nodered.org/u/hassengh)\
**Replies:** 14\
**Last updated:** [22 September 2020 04:21 UTC](https://discourse.nodered.org/t/front-montant-du-signal/33145 "2020-09-22T04:21:46Z")

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Bonjour , est il possible de faire un front montant du signal ? c'est il lors de dépassement d'un seuil il envoi une alerte . Hello , is it possible to make a rising edge of the signal? it is when a threshold is exc…

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## [Node red to Brainbox ES](https://discourse.nodered.org/t/node-red-to-brainbox-es/32960)

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**Author:** [@pandapilot](https://discourse.nodered.org/u/pandapilot)\
**Replies:** 3\
**Last updated:** [18 September 2020 06:35 UTC](https://discourse.nodered.org/t/node-red-to-brainbox-es/32960 "2020-09-18T06:35:11Z")

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Hi, first post so go easy! Im already using Node-RED to communicate with a few PLCs and display the data on a Dashboard. I'm now trying to get some data off another Machine that outputs MODBUS from the serial port. I've…

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## [Error connecting to PLC: \[object Object\]](https://discourse.nodered.org/t/error-connecting-to-plc-object-object/32998)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 0\
**Last updated:** [17 September 2020 13:50 UTC](https://discourse.nodered.org/t/error-connecting-to-plc-object-object/32998 "2020-09-17T13:50:49Z")

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Hi guys, Im coming across this new error message Ive never seen before - Error connecting to PLC: \[object Object\] Im trying to connect a Pi to modbus server. I made the modbus server on S7 (Im aware of the S7 node how…

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## [Mitsubishi FX2N data read](https://discourse.nodered.org/t/mitsubishi-fx2n-data-read/32987)

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**Author:** [@nieyof](https://discourse.nodered.org/u/nieyof)\
**Replies:** 0\
**Last updated:** [17 September 2020 09:58 UTC](https://discourse.nodered.org/t/mitsubishi-fx2n-data-read/32987 "2020-09-17T09:58:50Z")

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I want to read date from PLC FX2N Mitsubishi by programe prot (rs422). what node can I use?

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## [Bacnet Cov Subscriptions](https://discourse.nodered.org/t/bacnet-cov-subscriptions/32975)

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**Author:** [@pm.integrator](https://discourse.nodered.org/u/pm.integrator)\
**Replies:** 2\
**Last updated:** [17 September 2020 09:55 UTC](https://discourse.nodered.org/t/bacnet-cov-subscriptions/32975 "2020-09-17T09:55:18Z")

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Hello, I would like to know if someone has implemented the COV subscriptions function on the bacnet, I currently use the "Bacnet Read" node and I am subject to polling fast enough to trigger the push of the buttons of t…

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## [Bacnet read problem](https://discourse.nodered.org/t/bacnet-read-problem/32941)

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**Author:** [@pm.integrator](https://discourse.nodered.org/u/pm.integrator)\
**Replies:** 0\
**Last updated:** [16 September 2020 05:32 UTC](https://discourse.nodered.org/t/bacnet-read-problem/32941 "2020-09-16T05:32:12Z")

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\<Hello everyone, in my project I am using the bacnet read node, I did some tests and it works perfectly, the problem is that to get the data I am forced to use an inject node with the "repeat" function, considering tha…

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## [Http request 401 Unauthorized - User authentication is required](https://discourse.nodered.org/t/http-request-401-unauthorized-user-authentication-is-required/32825)

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**Author:** [@pm.integrator](https://discourse.nodered.org/u/pm.integrator)\
**Replies:** 6\
**Last updated:** [14 September 2020 15:02 UTC](https://discourse.nodered.org/t/http-request-401-unauthorized-user-authentication-is-required/32825 "2020-09-14T15:02:57Z")

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Hello everyone, I work in the world of building automation, I started with Note-Red a few days ago. in my Flow I have foreseen a first part in modbus ip client, then it asks the server (home automation system) for the s…

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## [Function filter 2](https://discourse.nodered.org/t/function-filter-2/32873)

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**Author:** [@pm.integrator](https://discourse.nodered.org/u/pm.integrator)\
**Replies:** 2\
**Last updated:** [14 September 2020 12:28 UTC](https://discourse.nodered.org/t/function-filter-2/32873 "2020-09-14T12:28:18Z")

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Hello everyone, I'm starting to work with node-red in the field of building automation, I would have a need that should be solved with a function node, basically I have a home automation system (system A) with modbus ip…

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