A new subject is being created for the integration of OPC UA standards for the Smart robotics domain.
Initially, there is a data model already in the incubated repository that hopefully will be validated soon and it will become official.
Update 25-5-2021: The data model has been officially released here https://github.com/smart-data-models/dataModel.OPCUA/tree/master/MotionDeviceSystem.
Slack channel
Validate a payload with a data model