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…

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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

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Mitsubishi MC Protocol Read Node Not connected or timeout

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