SR Series Two Phase DC Stepper Drives Supply Voltage:24VDC-48VDC, Output Current(peak):1Amps-4.5Amps, Step Resolutions(1.8°Stepper): Full Step, 2x, 4x, 5x, 8x, 10x, 16x, 20x, 25x, 32x, 40x, 50x, 64x, 100x, 125x, 128x Microstepping, Step Pulse Frequency:2MHz Max, Selectable Damping Modes For Smooth Motion ● Advanced Current Control ● Torque Ripple Smoothing ● Anti-Resonance ● Microstep Emulation