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PWM FUNCTION INTRODUCTION

来源:未知  发布时间:2017-08-21 21:55

PWM FUNCTION INTRODUCTION

     This paper introduces the connection mode of PWM function, control mode, the information signal
Connection diagram
PWM01
PWM (DC Voltage control) Introduction
  With this function,the speed can be controlled by applying an extro DC voltage signal.This voltage input”Vin” may have any value from 0V to 10V(0V~5V is ok too,it’s depending on your application).Normally two kinds of “speed VS dc voltage curve” are used.
PWM02 
PWM (duty cycle control) Introduction
With this function,the speed can be controlled by applying a pulse width modulated signal whose frequency maybe in the range of 25k Hz~30k Hz.High voltage means 3~10V.Low voltage means 0~0.8V.Normally two kinds “Speed Vs duty cycle curve” are used.
PWM03

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