super promotion genuine delta ac servo drive asd-b2-0721-b asda-b2 series 220v 750w single phase

on the other hand, from the control point of view, the dc servo control is a single-input and single-output single-variable control system. the classical control theory is completely applicable to this system. therefore, it is simple in control and excellent in speed control performance in cnc machine tools. the feed drive has dominated.