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Aug 08, 2025 7:47 am
Hi,
I’m working on a project where I want to connect two simulated PLCs (TwinCAT 3 and CODESYS) to a SCADA system (Ignition) via OPC UA. I already have a connection between Ignition and CODESYS, and now I want to add a connection between TwinCAT 3 and Ignition.
In CODESYS, I’m using the default port 4840. I think using the same port in TwinCAT as in CODESYS could cause problems. Is it possible to change the default port in TwinCAT 3?
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Aug 27, 2025 5:36 am
Hi, this is here (look at screenshot)