Mach3 CNC Stepper Motor Driver Adapter Breakout Board w USB Cable

Completely strengthen MACH3 and the other softs that use LPT port. USB Power supply and external power supply separate to offer protection to your PC. Wide range external power supply voltage, 12 - 24V, and preventing reverse connection. All of the input signals are separated by photocouplers, and they may be able to be connected to Estop, Probe and Limit switchs, which makes your computer secure. One relay output May also be conneted to spindle switch with the use of P17. 0-10V photocoupler separated analog voltage output May also be connected to Frequency converter byusing to regulate the spindle speed with P1. All 17 LPT ports are available, they may be able to be connected to stepping motor drivers and regulate five stepping motor.P1 can be utilized to output PWM signal, and can regulate the spindle Speed Regulator that has aphotocoupler for input. May also be connected to stepping motor drivers the use of common anode or common cathode input connection. All the LPT port names are printed on board,Easy to be used .