This models motor using 50Hz.
Incase of 60Hz:
Detects spin rotation with rotary detector, when spin rotation become rated ratation, Cut off circuit of the motor and repeat ON-OFF movement to keep rotating rated rotation untill spin process has completed.
Incase of soft spin (Delicate, Home Dry Care);
Detects spin rotation 500r/min. with rotary detector, Cut off circuit of the motor and repeat ON-OFF movement to keep rotating 500r/min. untill spin process has completed.
*When operating wash process, Pulsator's periodical time changes to operate both freguency.