These are parameters where the value may change in the device after ETS download, w.g. due to user interaction (scenes) or dynamic processed in the application (e.g. calibration).
These parameters can be marked via the Customer Adjustable property of the Parameter / UnionParameter or ParameterRef.
In addition, the property "Customer Adjustable Parameters" of the ApplicationProgram must be set to obe of the values:
·"Write": ETS offers a download excluding these parameters.
·"Sync": ETS in addition offers a function to read these parameters from the device into the project.