What are the "CA" and "CB" ports in the "Hybrid Stepper Motor" block for the Specialized Power Systems in Simscape R2024b?

I am trying to set up a 4-phase "Hybrid Stepper Motor". When I use a two-phase motor, I am able to connect it according to the documentation. However, when I try to use the four-phase variant, I see two additional ports "CA" and "CB" appear. However, I cannot find references on these ports or how to connect them in the "Stepper Motor" documentation. What is the physical interpretation of these ports?

Answer 1

[MathWorks Support Team]

The physical interpretation of these ports is that "CA" is the center tap for phase winding A, and "CB" is the center tap for phase winding B. These inputs are analogous to "A0" and "B0" on the Unipolar Stepper Motor, respectively. For more context on these ports, see the Unipolar Stepper Motor documentation.

As the Specialized Power Systems library is deprecated, it is also recommended to replace the blocks in question with the "Stepper Motor" blocks in the standard Simscape Electrical library.