Hello everyone I’m trying to configure a Server and a Client. Both are 4PPC80 PLCs. When i try to get a Var through NodeId i get the Error BadNodeIdUnknown, even though it is the same NodeId as shown in UAExpert. If i try to use Path instead i get the error BadNoMatch. I can’t figure out what the r…

Since you have mentioned that the transfer is finished properly, I would not be concerned about it as an issue. I have never seen this, so I cannot say if it is a bug or somehow related to your project configuration.

I think the post @pavel.vavra shared with you will help you. If not, please share detailed information about how the node is configured in the OPCUA_any configuration.

I found my mistake. Thank you for looking at my post but my second question still remains. Why is the transfer window showing me another IP Adress. Is this something to be concerned of? I don’t have the issue when compiling on the server side.

OpcUA_any Problems with getting Vars from Server

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pavel.vavra (Pavel Vavra) March 25, 2026, 2:56pm 2

Hello,

Please check How to communicate two controllers thought OPC UA.

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OpcUA_any Problems with getting Vars from Server

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