In a closed-loop system, the controller checks the real establishing of each axis with a step-by-step or outright encoder. In an open-loop system, communication takes location in one instructions just: from the controller to the electric motor.
The framework looks like a cross-section of a swimming pool, essentially 2 concave ramps (or quarter-pipes), covered by decks As as well as likewise copings, experiencing each other throughout a degree transition, likewise similarly additionally.