... type:24V~55V AC2. Output current:2~6A3. Mircostepping:1(1.8º),1/2,1/4,1/8,1/16,1/32,1/64,1/128,1/256 1/5,1/10,1/25,1/50,1 ... to damage the module2.GND:DC power cathode3.A+,A-:Stepping motor one winding 4.B+,B-: ... heat, to make the module run reliably for a long time. 2.Half current automatically: if ... check whether the wiring of electrical machinery is a mistake . CW6060AC high quality stepper motor driver ...