As per my understanding you are working with a variant subsystem in your base model, and you have an enumerated bus signal which is inaccessible in the reference model.
These are few ways you can try to help you solve the issue:
- Make sure the bus signal is properly routed from the base model to the reference model, ensure that the input ports of the reference model are configured to accept the bus signal. Because the variable in the base workspace may not be directly accessible in the reference model unless they are explicitly passed.
- You can also consider using data dictionary to manage your workspace variables and bus objects. This ensures all the necessary variables are available to both your base model and reference models.
You can refer the following MathWorks documentation for more details on data dictionary in Simulink.
