MACH3 engraving machine CNC 05 axis stepper motor driver interface board with optocoupler isolation engraving machine/ S / 1c1EqxosThis is a cost-effective, full-featured MACH3 interface board, with the following features:1, support MACH3 and other computer software to support parallel control.2, USB power supply and external power supply phase separation, protection of computer security.3, the external wide voltage input, 12-24V, and anti-reverse function.4, all the input signal all by the optical lotus isolation, can be emergency stop, knife, limit, etc., to protect the computer security.5, a relay output port, can control the spindle switch. The output port is P17 port.6, all the way through the optocoupler isolation 0-10V analog voltage output, you can control the corresponding analog interface of the inverter, control the spindle speed. The output port is P1 port.7, open all 17 ports, can be connected with optocoupler drive, can control the 5-axis stepper motor.8, P1 as a PWM output, can control with the optocoupler input spindle governor.9, can be connected to a total of Yin or a total of 30, the input level of 5V drive.10, all printed port name, at a glance. Note: Send a USB cable. Please contact us for instructions.