... Controller has interface of YH, HF etc, can use micro computer instead of the SCM CNC High Speed Wire ... three-phase six-step , taper, straight, YH computer control etc.4. Inverter control .Input three-phase AC ... the motor from Y shape connect to triangle and use single-phase pump.5. wire motor speed adjustable ... has interface of YH, HF etc, can use micro computer instead of the SCM. CNC High Speed Wire ...