The Matlab OPC UA Client does not connect to the OPC UA Server (OPC CoDeSys V3)

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Aschmann 2019-8-13

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https://ww2.mathworks.cn/matlabcentral/answers/476007-the-matlab-opc-ua-client-does-not-connect-to-the-opc-ua-server-opc-codesys-v3

评论： Srijith Vijay 2024-2-27

Why the client doesn't connect to the server.? I thought I did everything according to the instructions in the help. Who has an idea?

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Jonas Hillenbrand 2020-3-11

Same problem here:

I'm running a raspberry Pi with Codesys Image and the OPC UA Server on the Pi is correctly configured and can be reached and browsed with UA Expert.

But the OPC UA Client from MATLAB fails to connect to server!

Any help would be appreciated...

Greetings

Jonas

Srijith Vijay 2024-2-27

Hi Aschmann, Jonas,

Which MATLAB version are you using? This issue could be happening due to the server taking more time to respond to the connection request. I'd suggest logging the OPC UA packets using an application like Wireshark to see if/what the OPC UA server returns in response to the connection request. This could help root cause the issue.

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