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 to try? [image] [image] [image]

Install node-red-node-ping, can your node-red ping the plc? Have you turned the PLC off/on after changing settings? How have you set the ports on the plc? (Show screenshot)

Here is a thread that might help [image] Mitsubishi Q02CPU comm. through Q71E71-100 Industrial Hi! I am currently trying to read a Q02CPUs tags through a Q71E71-100 ethernet card that was installed into the Mitsubishi PLC. I am trying to access the Ethernet card through t…

Looks like I can ping. I was able to ping in CMD [image] We did not turn it off yet. will try that

[image] Ok got it working by changing built in ethernet port open settings

From Subject Received Size Categories Jason Meyer 2:18 PM 114 KB

using the read node I though i would be able to monitor this PLC value for whenever it changes and not have to use an Inject to see the value thru a debug node? I realize this may be a basic Node-Red question... [ { "id": "08a482e7a2022352", "type": "switch", "z": "c409bd4bcb4231c2", "name": "…

You can use the rbe/filter node to differentiate changes. My advice it to program the plc to out all values of interest into 1 contiguous area (e.g D1000-D1199) and read all values at once then use buffer-parser to convert the values into book/string/float/int. That way, there are less requests and…

In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```) ``` code goes here ``` You can edit and correct your post by clicking the pencil :pencil2: icon. See this post for more details - How to share co…

Node-RED

Node-RED Forum

Mitsubishi MC Protocol Read Node Not connected or timeout

Industrial

Steve-Mcl 11 March 2022 21:35 3

Here is a thread that might help

Topic		Replies	Views
Mitsubishi Q Series Node Red Help Industrial	15	2920	14 October 2020
Question: Mitsubish Q Series-Node Red MC Protocol Time Out Industrial	1	169	3 July 2024
How to connect Mitsubishi plc fx3u and Fx5u with node red Industrial	14	1332	11 October 2024
Read data Register value in node red Industrial node-red-dashboard	6	240	5 May 2023
How to Reload Nodered flow or tab using function node or else General	20	285	15 February 2025

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Mitsubishi MC Protocol Read Node Not connected or timeout

Related topics