... input+5V (Rising edge effective , rising edge duration >10μS)6.CW +,CW-:Stepping motor direction input, voltage level touched off,high ... -phase electrical machinery is connected with driver , users are apt to connect the phase by mistake, thus would damage the driver ... whether the wiring of electrical machinery is a mistake . CW6060AC high quality stepper motor driver,2A-6A,Power input type:24V~55V AC