Like mentioned for other CODESYS V3 communication clients before, please beware that current versions are always using encrypted communication for security reasons. So the client connected to it also needs to be able to do so. See e.g. topic "communicate to 3rd party HMI via Codesys V3 protocol in ctrX PLC >=1.20" or also "Connect Weintek cMT2078X to ctrlX PLC via Codesys V3".
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