Sunwin 6 Axis USB Mach3 Card 50khz Interface Board CNC Stepper Motor Driver Controller This card's all axis output is limited to 50KHz. DDCM6V5.0 is designed by our Studio, it is a CNC system based mach3. Its version is 5.0 now. You do not need to add other Hardwareand you can complete the signal conversion from the G-code to the movement of the stepper motor drive control. This card is compatible with most stepper drives and servo drives. And it is perfect weapon to replace mach3 parallel interface board. DDCM6V5.0 is short for DDSMV5.0. This card's size is reduce to 96*62mm. And its IO port also is reduced. USB communication interface, and power supply for the board. 10 IO input, opto-isolated It Can be configured to limit the emergency stop and other functions all of them are 2edg port.