Ob leeg ntxig pwm & dhau pwm tsim los ntawm kev txhaj tshuaj pwm: qee qhov pwm xav tau cov khoom hlau lossis lwm qhov yuav tsum tau muab tso rau hauv cov pwm ua ntej, thiab yog ib qho nrog cov txheej txheem yas molding, feem ntau muab faib ua cov hnab yas tawv thiab hnab yas muag ob pwm, nyuaj yas txhaj tshuaj pwm lossis Tso pwm pwm, txoj kev ib txwm ua yog los ntawm txhais tes rau hauv cov hlau hlau, ob pawg ntawm (tus txiv neej) tom qab pwm (poj niam) ua ntej phim cov teeb tsa pwm, nyob rau xyoo tsis ntev los no, nrog kev txhim kho ntawm automation, tau tsim rau kev tso kawm tsis siv neeg thiab txhim kho kev ua tau zoo ntawm cov hlau.
Dhau ntawm cov pwm (dhau mus pwm), cov kev xav dav dav yog npog cov yas puag lossis yas ib nrab yas tiav nrog lwm txheej ntawm cov yas.