One-way 24V power supply Support all brands and capacities of U disks, quick and strong compatible copy ability 256M large-capacity file nonvolatile storage onboard, no bottlenecks limit for file size Capable of self-checking defective track, can format memory, good in fault tolerance 10/100M Ethernet + USB2.0 communication mode for optional Multi-way general large-current IO, convenient for function extension Display processing path, file preview Display processing progress bar Communication mode can be chosen automatically The max. four-axis stepper/servo motor open-loop control Two-way independent digital/analog interface, software can be adjusted respectively, convenient for double laser heads control; Dedicated RF laser control interface Soft/hard limit coordinates protection for optional Support linear/circular arc/B-spline interpolation function Online update mainboard program, convenient for maintenance and functions customization. Auto-feeding, up and down, rotating engraving,left-right pushing plate, etc. Support feeding line by line, slope engraving function Support Power-off restart for engraving, work time preview (high accuracy to millisecond, the preview time is exact to the actual working time, the other vendor cannot realize) Support machines backlash compensation function Increase Z axis linkage function System Power-on resetting or not resetting for optional Support multiple positioning points logic All manufacturer/user parameters can be backup and restored Support double laser heads automatic layout and multiple virtual arrays automatic layout, leftover material function