Chao ban,

Ban co the cho biet them Tin hieu ngo vao va Tin hieu ngo ra ban can cua PLC nay nhu the nao khong?

Tin hieu ngo vao PWM tu dau dua den PLC, bien do bao nhieu voltage?

Tin hieu ngo ra PLC thi ban xuat ra tin hieu gi va de dieu khien cai gi?