The dm556 digital stepping drive is a digital driver designed to control 2-phase nema 17, nema 23, and some nema 34 stepper motors in cnc machines, laser cutters, 3d printers, and industrial automation.
main specifications:
input voltage: 20-50 v dc (24-48 v recommended)
output current: 0.5-5.6 a peak (4.0 a rms), adjustable with dip switches
microstepping: from full step up to 102,400 steps/revolution
maximum pulse frequency: 200 khz
control signals: pul (step), dir (direction),
and ena (enable)