I would like to read from Mitsubishi PLC Q Series by using MC Protocol nodes. However, connection error for the MC Protocol nodes. Anyone got similar issue and know how to resolve? Ethernet type : Built-in (Q03UDVCPU) PLC IP Address : 192.168.3.39 [image] [image] [image]

On Q series, for reasons I have long forgotten, you need to use UDP -> passive -> procedure exist and enter port numbers. Alternatively, just connect to the Auto Open UDP port 5000 (no PLC config required) Settings on the Node-RED MC Config node would be something like: [image] Depending on the…

Already try but still not working. An error stated as the picture below. [image] [image] Are there any potential issue with the nodes?

The util.log() API has been removed in Node23 or 24.

What should i do? Install an older version?

Yes, or ask the author of the node to support Node24.

[image] mamirulazuan: What should i do? Install an older version Install Node 22 or Node 20 for the time being [image] GogoVega: ask the author of the node to support Node24 I am in the process or updating the node but it wont be ready for few weeks due to vacation.

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Communication for Mitsubishi PLC Q Series by using MC Protocol Nodes

Industrial

mamirulazuan 10 November 2025 11:58 3

Already try but still not working. An error stated as the picture below.

Are there any potential issue with the nodes?

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Communication for Mitsubishi PLC Q Series by using MC Protocol Nodes

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