... 3-8V Characteristics:1.DC power input type:24V~50VDC2.Output current:1.3A-4.5A3. ... Stepping motor other winding5,PUL+,PUL -:Stepping pulse input+5V (Rising edge effective , rising edge duration ... 10μS)6,DIR +,DIR-:Stepping motor direction input, voltage level touched off,high towards, low ... but the electrical machinery runs abnormally, shake , and output is small.Please check whether the wiring of ...