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Guest sebzjoker

Semnal PWM si schema de comanda yala electromagnetica

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Guest sebzjoker

Buna. As dori si eu daca are cineva documentatie (in romana de preferinta) despre Tehnica PWM, despre Bobina (pt o yala electromagnetica) , tehnici de comanda a yalelor electromagnetice (cu bobina) . Cine ma poate ajuta i-as fi recunoscator............

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Nu stiu cum s-ar comanda yala cu PWM, dar eu am folosit un PIC12F675 pentru a limita timpul de alimentare a bobinei la 0,5 secunde. (indiferent cat se tine mana pe butonul de actionare). Am 2 yale care functioneaza de vreo 4 ani cu sistemul asta. Yalele sunt alimentate la 12V CC, desi una din ele e pentru 12V AC. Vanzatorul m-a asigurat ca functioneaza si la CC si a avut dreptate. Tot secretul e sa nu stea bobina alimentate mult timp.

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