Control Board Features: -GRBL1.1f firmware, stable performance. -The whole process is offline engraving (optional offline module), offline tool setting and engraving. -Support limit switch, tool setting, steering gear, cooling fan and other functions. -Support 2P/3P laser, support PWM/TTL signal control, power 0-100% adjustable. -The spindle supports 0-100% adjustable PWM power. -With stepper motor over-current protection to avoid damage, upgrade A4988 drive, providing stable and reliable performance. -Laser directly imports pictures for engraving, no programming, no design, simple and convenient. Package List: 1 x 6 Axis Mach3 USB Card NVCM 1 x USB Cable 1. Performance parameter 1) Support USB; 2) 16 ports photoelectric isolated input interface; 3) 16 ports photoelectric isolated output interface; 4) 1 port 0-10V spindle speed analog output interface(can change to PWM output); 5) can support 6 axis stepper systems,125KHz pulse output for every axis; 6) ARM motion control chip; 7) Main device is 12V-32VDC power supply input,current should higher than 1A; 2.Product connection define and method the connection of the controller includes power supply interface, USB connection interface, MPG interface, Stepper/Servo control output interface, spindle control output interface, Estop and limited switch and tool setting input interface and so on. Now we descript them in details as below. 3. Stepper motor control interface X/Y/Z/A/B/C from left to right. Each axis's pin is defined as COM+/CP-/DIR- from left to right. 4. Spindle control output/ Universal output interface 1
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