... effective , rising edge duration >10μS)6,DIR +,DIR-:Stepping motor direction input, voltage level touched off,high towards, low reverse7 ... ,ENA+,ENA-: motor free .NOTE:1, When ambient temperature is high or working current over 2.7A, fix the ... .82.32.73.23.74.24.5 3,Full current or half current choice:SW4:0=Full current;1=half current4,Pulse choice:In ...