... driver current range: 2A-6A voltage range:36Vdc~80Vdc Characteristics:1.DC power input type:24V~80V2.Output current: ... :Must guard against exceeding 70V, so as not to damage the module2.GND:DC power cathode3.A+,A ... edge duration >10uS)6.CW +,CW-:Stepping motor direction input, voltage level touched off,high towards, low reverse 7.REST+, ... -phase step motor driver, current 2A-6A, input voltage 36Vdc~80Vdc