["The driver uses discrete components structure, as long as no over voltage and wiring is right, please rest assured that two-phase 4-wire, 6-wire, 8-wire can be used. 57 series 4.5A or less (including 4.5A) two-phase four-wire, six-wire, eight-wire stepper motor also can be used\r\n\r\nFeature:\r\n20KHz chopping frequency\r\nOptical isolation signal input\r\nOutput current DIP switch is adjustable\r\nBipolar constant current chopping method\r\nHigh segmentation: 2,4,8,16,32,64,128,256. 5,10,25,50,125,200\r\nTTL input signal compatible,while accepting differential signal input\r\n\r\nSpecifications:\r\nPower supply:DC 24-60 (V)\r\nCurrent maximum:4.5A\r\nOutput phase current:1.5A-4.5A\r\nLogic input current:10-20mA\r\nOperating temperature:-15℃—+45℃\r\nSize:11.7*8.5cm/4.61*3.35inch\r\n\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents: \r\n1 x DM542 stepper motor driver"]