... 08, 11,14,17,23,24,34Characteristics:1.DC power input type:24V~50VDC2.Output current:1.3A-4. ... °C Humidity<90.I/O Ports:1.VCC+:DC power positive poleNote:Must guard against exceeding 50V, so as ... not to damage the module2.GND:DC power cathode3.A+ A-:Stepping motor one winding 4.B+ ... Pulse choice:In the driver has a jumpMore models economical stepper motor driver, step motor driver, stepping motor ...