... voltage level touched off,high towards, low reverse7.REST+,REST-: motor free NOTE:1.When ambient temperature is high or working current over ... reliably for a long time. 2.Half current automatically: if control machine not send out signal in half second, driver enter ... whether the wiring of electrical machinery is a mistake . CW6060AC high quality stepper motor driver,2A-6A,Power input type:24V~55V AC