I have the same problem similar to any connection at the back-end we don't have any kind of problem because Siemens handle the source but when i want to connect to opcae:\\myhost
i have problem i can't retrieve any data i know something about
ns=1;s=Temperature
in node js or something like that in c# hence i read this
Embedded OPC UA Stack: OPC UA Node Classes[
^] but it's not very helpful some one could explain to me how to access exact node of alarm and event and how to retrieve that?