... control: 100% controllable by 0-10V and PWM signal.4. Function: Stepless speed control, CW or CCW rotation; start and stop ... HVAC,IT industries,Medical Devices,Telecommunications Equipment,refrigeration equipment,etc. ( function(){ var aBigImageSrc = [ 'http://i01.i.aliimg.com/photo/v0/ ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); PWM variable speed Brushless DC motor driver with alarm reply