# Industrial

**URL:** https://discourse.nodered.org/c/industrial/18.md?page=12

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

**Page:** 13

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## [Reading multiple items with node-red-contrib-opcua](https://discourse.nodered.org/t/reading-multiple-items-with-node-red-contrib-opcua/54259)

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**Author:** [@OriolFM](https://discourse.nodered.org/u/OriolFM)\
**Replies:** 5\
**Last updated:** [3 January 2022 06:54 UTC](https://discourse.nodered.org/t/reading-multiple-items-with-node-red-contrib-opcua/54259 "2022-01-03T06:54:36Z")

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I am including several production lines into my data-gathering program. They use OPC-UA to offer me the information. Single parameter readings are not a problem anymore: I send the nodeid for the parameter I want to read…

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## [Modbus TCP/IP vs Ethernet/IP](https://discourse.nodered.org/t/modbus-tcp-ip-vs-ethernet-ip/55821)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 2\
**Last updated:** [29 December 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tcp-ip-vs-ethernet-ip/55821 "2021-12-29T07:10:12Z")

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Hello guys, I am going to develop edge gateway using node red which will fetch the data from PLCs into node red so I have two options to talk to PLC 1. Modbus TCP/IP and 2. Ethernet/IP Can anyone suggest which one is be…

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## [Project support](https://discourse.nodered.org/t/project-support/55500)

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**Author:** [@senzary](https://discourse.nodered.org/u/senzary)\
**Replies:** 0\
**Last updated:** [21 December 2021 00:12 UTC](https://discourse.nodered.org/t/project-support/55500 "2021-12-21T00:12:28Z")

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hello, We need someone to help set up device and gateway configurations, decoders, flows , events and alarms , integrations. red-node , thingsboard rules-node please write here or eric@senzary.com

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## [Is whattsapp msg from node red or use node red secure](https://discourse.nodered.org/t/is-whattsapp-msg-from-node-red-or-use-node-red-secure/54764)

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**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 2\
**Last updated:** [20 December 2021 17:26 UTC](https://discourse.nodered.org/t/is-whattsapp-msg-from-node-red-or-use-node-red-secure/54764 "2021-12-20T17:26:42Z")

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Hi, i have connect my industrial AB PLC with node red installed on rbpi4 and sending data on whatsapp is connecting rbpi with wlan secure or using that whattsapp via node red is secure because i have added the unknown n…

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## [Need USB PC input device](https://discourse.nodered.org/t/need-usb-pc-input-device/55426)

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**Author:** [@deanm](https://discourse.nodered.org/u/deanm)\
**Replies:** 1\
**Last updated:** [19 December 2021 13:46 UTC](https://discourse.nodered.org/t/need-usb-pc-input-device/55426 "2021-12-19T13:46:32Z")

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Looking for something that i can plug into server USB for dry contact input so NodeRed can control. I know that a RPi can be used, but I'm looking for something more robust 24/7

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## [Send error when payload is empty](https://discourse.nodered.org/t/send-error-when-payload-is-empty/54564)

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**Author:** [@cysoz](https://discourse.nodered.org/u/cysoz)\
**Replies:** 5\
**Last updated:** [15 December 2021 12:25 UTC](https://discourse.nodered.org/t/send-error-when-payload-is-empty/54564 "2021-12-15T12:25:08Z")

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I have flow, connected to PLC S7 and I collect data and send to MQTT, but when network is disconnected I not collect data. I prepare function: const x = msg.payload; try{ if(x == "") throw "empty"; node.statu…

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## [Real value S7-LOGO8](https://discourse.nodered.org/t/real-value-s7-logo8/54688)

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**Author:** [@Disaile12](https://discourse.nodered.org/u/Disaile12)\
**Replies:** 3\
**Last updated:** [13 December 2021 23:39 UTC](https://discourse.nodered.org/t/real-value-s7-logo8/54688 "2021-12-13T23:39:04Z")

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Hello everyone, I am working on a project with a Siemens LOGO 8, for this I downloaded the S7-LOGO 8 node from the official node red page, where the LOGO variables are already included. The project consists of reading th…

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## [HMI Address Not accessing](https://discourse.nodered.org/t/hmi-address-not-accessing/55113)

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**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 0\
**Last updated:** [13 December 2021 10:23 UTC](https://discourse.nodered.org/t/hmi-address-not-accessing/55113 "2021-12-13T10:23:31Z")

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Hi, I am getting data from AB PLC directly from its address and it is successfully done, but i wan to get data from HMI input like we put temperature set point value on HMI but there is no address on HMI like PLC there …

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## [How to set Allen Bradly PLC address in function node of node red](https://discourse.nodered.org/t/how-to-set-allen-bradly-plc-address-in-function-node-of-node-red/55068)

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**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 2\
**Last updated:** [12 December 2021 09:15 UTC](https://discourse.nodered.org/t/how-to-set-allen-bradly-plc-address-in-function-node-of-node-red/55068 "2021-12-12T09:15:12Z")

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Hi, collecting data from Allen Bradly PLC from eth-ip in node and put address of AB PLC in node, now i want this data to send on function node where i need to set variable whicg will get data from that address and will …

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## [Creating SCADA for furnace](https://discourse.nodered.org/t/creating-scada-for-furnace/55021)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 5\
**Last updated:** [10 December 2021 20:27 UTC](https://discourse.nodered.org/t/creating-scada-for-furnace/55021 "2021-12-10T20:27:36Z")

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Hello, I was trying to build a SCADA for a furnace with what I have learned so far from node-red forums. I'm sharing the flow below. I was thinking if there is a better way to do it by showing entire process rather showi…

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## [OPCUA - FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory](https://discourse.nodered.org/t/opcua-fatal-error-ineffective-mark-compacts-near-heap-limit-allocation-failed-javascript-heap-out-of-memory/54994)

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**Author:** [@R0bbe](https://discourse.nodered.org/u/R0bbe)\
**Replies:** 7\
**Last updated:** [10 December 2021 13:58 UTC](https://discourse.nodered.org/t/opcua-fatal-error-ineffective-mark-compacts-near-heap-limit-allocation-failed-javascript-heap-out-of-memory/54994 "2021-12-10T13:58:57Z")

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Hello guys, Im currently running into an error where my Node-RED keeps crashing, due to JavaScript running out of memory. (Error code below) The Node-Red application is currently running in a docker image, on an old…

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## [Node-RED crash when connection to PLC drops](https://discourse.nodered.org/t/node-red-crash-when-connection-to-plc-drops/54918)

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**Author:** [@angrj](https://discourse.nodered.org/u/angrj)\
**Replies:** 4\
**Last updated:** [9 December 2021 16:46 UTC](https://discourse.nodered.org/t/node-red-crash-when-connection-to-plc-drops/54918 "2021-12-09T16:46:06Z")

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Hello to all, I have a problem with Node-RED: continuously communicates with PLCs using node-red-contrib-s7, it works well but sometimes i get the following error: Error: read ECONNRESET at TCP.onStreamRead (node: int…

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## [Newbie Guide for Node-Red BACnet IP](https://discourse.nodered.org/t/newbie-guide-for-node-red-bacnet-ip/54735)

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**Author:** [@JPardo](https://discourse.nodered.org/u/JPardo)\
**Replies:** 2\
**Last updated:** [6 December 2021 01:06 UTC](https://discourse.nodered.org/t/newbie-guide-for-node-red-bacnet-ip/54735 "2021-12-06T01:06:46Z")

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Hi Everyone, I am new to node-red and wanted to learn on how to integrate my BACnet IP device to Node-Red. I have been checking youtube but there's none. Hope you guys can share some step by steps guide. I wanted to us…

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## [How to access ip of AB PLC via rbpi](https://discourse.nodered.org/t/how-to-access-ip-of-ab-plc-via-rbpi/54733)

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**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 3\
**Last updated:** [5 December 2021 15:21 UTC](https://discourse.nodered.org/t/how-to-access-ip-of-ab-plc-via-rbpi/54733 "2021-12-05T15:21:38Z")

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Hi, i have rbpi4 and node red installed on it, connect rbpi with laptop via vnc now i want to access my AB plc via rbpi what i did is attached rbpi eth0 to plc and connect rbpi with my laptop via vnc, now i can access …

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## [OPC DA client - Asynchronous Advise](https://discourse.nodered.org/t/opc-da-client-asynchronous-advise/54694)

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**Author:** [@saalty](https://discourse.nodered.org/u/saalty)\
**Replies:** 0\
**Last updated:** [3 December 2021 22:58 UTC](https://discourse.nodered.org/t/opc-da-client-asynchronous-advise/54694 "2021-12-03T22:58:57Z")

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Dear all! I need to read large amount of data from an older OPC DA server and it would be nice to instead of reading data synchonously get only changes from server in asynchronous advise mode. Is this mode supported in …

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## [IoT Security Assured Scheme](https://discourse.nodered.org/t/iot-security-assured-scheme/54563)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [1 December 2021 11:48 UTC](https://discourse.nodered.org/t/iot-security-assured-scheme/54563 "2021-12-01T11:48:26Z")

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Hi all, in case you don't know about the IASME consortium. They lead the work on the Cyber Essentials certification in the UK but also the IoT Security Assured Scheme. This may be useful if you are doing business in the…

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## [Correct communication with PLC](https://discourse.nodered.org/t/correct-communication-with-plc/54406)

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**Author:** [@FrantaD](https://discourse.nodered.org/u/FrantaD)\
**Replies:** 0\
**Last updated:** [28 November 2021 16:38 UTC](https://discourse.nodered.org/t/correct-communication-with-plc/54406 "2021-11-28T16:38:15Z")

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I have a connected Omron PLC with Nodered, which I use as a control panel. I have Ethernet/IP communication and it works fine. But I'm not sure how to use it properly. Example: I have a relay, and I want to change its…

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## [Modbus RTU transparent over LoRa to LoRa, Raspberry Pi 3B+ Node-RED](https://discourse.nodered.org/t/modbus-rtu-transparent-over-lora-to-lora-raspberry-pi-3b-node-red/52170)

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**Author:** [@Mansur](https://discourse.nodered.org/u/Mansur)\
**Replies:** 9\
**Last updated:** [26 November 2021 07:44 UTC](https://discourse.nodered.org/t/modbus-rtu-transparent-over-lora-to-lora-raspberry-pi-3b-node-red/52170 "2021-11-26T07:44:57Z")

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I have a Raspberry Pi 3B+ Buster (RPi) set up with a Modbus device working fine through Nodered read and write. The system is hard wired like this RPi—USBxRS485---ModbusRTU device slave (MDS). RPi works as Master and MDS…

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## [S7 node problem with analogic output](https://discourse.nodered.org/t/s7-node-problem-with-analogic-output/52565)

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**Author:** [@jmm](https://discourse.nodered.org/u/jmm)\
**Replies:** 18\
**Last updated:** [24 November 2021 18:20 UTC](https://discourse.nodered.org/t/s7-node-problem-with-analogic-output/52565 "2021-11-24T18:20:27Z")

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Hello everyone. I am using a LOGO to collect temperature data. The LOGO works properly and shows a lecture of 18°C. The data is connected to a NAQ block in LogoSoft with virtual address 0. I am currently using the node-…

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## [Node-RED with S7-317 CPU - "Error: connect ECONNREFUSED 192.168.0.1:102"](https://discourse.nodered.org/t/node-red-with-s7-317-cpu-error-connect-econnrefused-192-168-0-1-102/53960)

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**Author:** [@tiby007](https://discourse.nodered.org/u/tiby007)\
**Replies:** 5\
**Last updated:** [23 November 2021 20:26 UTC](https://discourse.nodered.org/t/node-red-with-s7-317-cpu-error-connect-econnrefused-192-168-0-1-102/53960 "2021-11-23T20:26:08Z")

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Hi All! I want to read and write a DB in a S7-317 CPU (317-2FK14-0AB0). I setup the Node-RED like below: I tried to change slot numbers, I tried to modified the IP of the CPU as troubleshoots, but nothing helped. I…

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## [Opcda-read item limit?](https://discourse.nodered.org/t/opcda-read-item-limit/54152)

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**Author:** [@saalty](https://discourse.nodered.org/u/saalty)\
**Replies:** 0\
**Last updated:** [23 November 2021 10:46 UTC](https://discourse.nodered.org/t/opcda-read-item-limit/54152 "2021-11-23T10:46:33Z")

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Dear all! Is there any limitation of how many items can I read from the OPC DA server with single opcda-read node? I browsed items from server during opcda-server configuration and found 3071 items. Then I exported the…

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## [Add TLS protocol to HTTP call through web API (Talk2m eWON)](https://discourse.nodered.org/t/add-tls-protocol-to-http-call-through-web-api-talk2m-ewon/54090)

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**Author:** [@AMBFrancesco](https://discourse.nodered.org/u/AMBFrancesco)\
**Replies:** 0\
**Last updated:** [22 November 2021 08:56 UTC](https://discourse.nodered.org/t/add-tls-protocol-to-http-call-through-web-api-talk2m-ewon/54090 "2021-11-22T08:56:31Z")

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Hello, I have a Nodered application installed on a cloud Aruba Server that through HTTP request collects data from a eWON Flexy 205 (an industrial router) through Talk2m Web APIs (their propietary cloud service that all…

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## [Opcda-red error: Unexpexted PDU from server](https://discourse.nodered.org/t/opcda-red-error-unexpexted-pdu-from-server/54034)

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**Author:** [@saalty](https://discourse.nodered.org/u/saalty)\
**Replies:** 0\
**Last updated:** [20 November 2021 16:04 UTC](https://discourse.nodered.org/t/opcda-red-error-unexpexted-pdu-from-server/54034 "2021-11-20T16:04:32Z")

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Hello all! I have error with reading data from OPC DA server. I use opcda-read node for this purpose. Node-Red is running on the Windows 10 system, OPC DA server on other Windows XP machine. Connection estabilished, rea…

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## [Printing from NodeRed](https://discourse.nodered.org/t/printing-from-nodered/53924)

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**Author:** [@teofranceschini](https://discourse.nodered.org/u/teofranceschini)\
**Replies:** 10\
**Last updated:** [20 November 2021 14:27 UTC](https://discourse.nodered.org/t/printing-from-nodered/53924 "2021-11-20T14:27:47Z")

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Hi all, I'm trying to print a PDF generated with the pdfmake node to both a network printer and a printer shared via windows 10. I've managed to print to the network printer (it's a Xerox, that has IPP enabled) via the I…

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## [How to convert analog input value to int16 to forward with opc ua](https://discourse.nodered.org/t/how-to-convert-analog-input-value-to-int16-to-forward-with-opc-ua/53879)

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**Author:** [@DerD74](https://discourse.nodered.org/u/DerD74)\
**Replies:** 2\
**Last updated:** [19 November 2021 09:55 UTC](https://discourse.nodered.org/t/how-to-convert-analog-input-value-to-int16-to-forward-with-opc-ua/53879 "2021-11-19T09:55:04Z")

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Hi, I am trying to send Temperature Value from analog Input of Galileo Board with opcua to server. My Problem is that I get error if I connect function Block to opcua node. Could Anyone help ms to find my fault? \[ …

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## [Installation of npm install -g node-red-contrib-iot2000 failed on iot2040](https://discourse.nodered.org/t/installation-of-npm-install-g-node-red-contrib-iot2000-failed-on-iot2040/53598)

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**Author:** [@DerD74](https://discourse.nodered.org/u/DerD74)\
**Replies:** 2\
**Last updated:** [11 November 2021 21:07 UTC](https://discourse.nodered.org/t/installation-of-npm-install-g-node-red-contrib-iot2000-failed-on-iot2040/53598 "2021-11-11T21:07:52Z")

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Hello, I tryed to install the libary above, but it's failed with following error messages. Anyone have a Idea? root@iot2000:~# npm install -g node-red-contrib-iot2000 npm WARN npm npm does not support Node.js v8.16.0 …

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## [Controlling relay module HHC-N8I8OP](https://discourse.nodered.org/t/controlling-relay-module-hhc-n8i8op/52696)

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**Author:** [@Lenaschitz](https://discourse.nodered.org/u/Lenaschitz)\
**Replies:** 7\
**Last updated:** [3 November 2021 18:23 UTC](https://discourse.nodered.org/t/controlling-relay-module-hhc-n8i8op/52696 "2021-11-03T18:23:58Z")

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Hi guys, I´m using Node Red for controlling roller shutter and lights, wanted to extend it to control underfloor heating as well. Bought module HHC-N8I8OP, but have no idea how to communicate. I can switch all relays vi…

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## [Industrialcomm (S7comm) Error/Info](https://discourse.nodered.org/t/industrialcomm-s7comm-error-info/52705)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 1\
**Last updated:** [3 November 2021 08:02 UTC](https://discourse.nodered.org/t/industrialcomm-s7comm-error-info/52705 "2021-11-03T08:02:50Z")

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Hi, there, I am new to this, so please don't mind my ignorance. I am running industrialcoom/S7comm with PLC S7-200. Everything seems to work well. Sometimes I get comm.error but that's very rare, When I start RPI I get…

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## [Micro800 PLC Connection Issues](https://discourse.nodered.org/t/micro800-plc-connection-issues/53085)

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**Author:** [@jnewberry1492](https://discourse.nodered.org/u/jnewberry1492)\
**Replies:** 0\
**Last updated:** [1 November 2021 18:46 UTC](https://discourse.nodered.org/t/micro800-plc-connection-issues/53085 "2021-11-01T18:46:41Z")

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Anyone have a simple solution for connecting to an Allen Bradley Micro800? Ethernet IP driver does not work for it. not sure on how to use node-logix only option so far that is listed. Do not want to use Modbus. Diff…

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## [Sending string value to rockwell compact logix plc](https://discourse.nodered.org/t/sending-string-value-to-rockwell-compact-logix-plc/52809)

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**Author:** [@anandanatarajan.s](https://discourse.nodered.org/u/anandanatarajan.s)\
**Replies:** 2\
**Last updated:** [1 November 2021 04:04 UTC](https://discourse.nodered.org/t/sending-string-value-to-rockwell-compact-logix-plc/52809 "2021-11-01T04:04:16Z")

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Hi, I am trying to read string value from Compact Logix plc via node-red-contrib-cip-ethernet-ip nodes, all other datatypes like DINT, INT, Real, and BOOL are working but i am not sure how to read string values, any po…

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