57 stepper motor (nema 23) driver DM542 2phase hybrid stepping motor drive, Input 24-50Vdc, recommended 24v dc Suitable for 42/57/86mm stepper motor 4.0A phase current.
Features: High performance Average current control, 2-phase sinusoidal output current drive Opto-isolated signal I/O Over voltage, under voltage, over correct, phase short circuit protection 15 channels subdivision and automatic idle-current reduction 8 channels output phase current setting Offline command input terminal Motor torque is related with speed, but not related with step/revolution High start speed High hording torque under high speed Electrical specification: Input current 4A Output current 1.04.2A Power consumption 80W Internal fuse: 6A Working Temperature -1045