Hi,
congrats on porting your app to the ctrlX CORE. 🚀
Yes, you got it right! You can:
Use the REST-API of the Data Layer
Use the OPC UA server app
And if it would exist, you could use a Ruby client for the Data Layer. But currently we only have C/C++, Go, Python, .Net, Node.js.
At the moment, we don't have any plans for Ruby in our SDK.
Best regards,
Nick
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