... 1.DC power input type:24V~50VDC2.Output current:1.3A-4.5A3.Mircostepping:1(1.8º),1/2,1/4,1/8,1/16,1/32,1/64,1/128,1 ... /2561/5,1/10,1/25,1/50,1/125,1 ... driver seriously. The protecting circuit is within this driver, ... Choice: (“ON=0,OFF=1”)1,Microstepping choice: SW500000000111111SW601010101010101SW700110011001100SW800001111000011Micro1/21 ...