[discontinued] CNC 2-Phase Stepper Motor Driver, ST-DM542

SPECIFICATION:  +V: DC Power positive terminal GND: DC Power negative terminal A+、A-: Stepping motor one winding B+、B-: Stepping motor other winding PUL+（+5V-24V）、PUL -: Stepping pulse input (Rising edge effective, Pulse width >1.2 us) DIR +（+5V-24V）、DIR-: Direction signal input, high level forward, low level reverse, the direction of signal should be at least 5 us ahead of the pulse signal. ENA+（+5V-24V）、ENA-: motor free Green LED: Power LED Red LED : Fault indication, over current、 overvoltage 、or other failures. The red LED light is bright, after the failure is eliminated, Power off for a while and then power, the red LED lamp is out WHAT'S IN THE PACKAGE ST-DM542 X 1 Paper specification