5/3/2023 0 Comments Kcam cncThe control part and the driving part adopts high speed optocoupler (imported Fairchild 4N25) completely isolated. Output standard 3-axis drive, and 4-axis and the expansion port and emergency stop port for expansion 4-axis and 5-axis ![]() ![]() After testing, a 5V logic supply current 23MA A3977 5V logic supply, current 38MA 78m05 load current 500mA, measured 7805, temperature 33 degrees. Note: 5V logic power supply uses 7805 independent power supply filter, three axis by three independent import 7805, also prevents the drive mutual interference. Can also be added to isolated 5V small power instead of the USB line 5V power supply, the isolated power supply through the main power supply LM2575 after decompression. Parallel port is powered by USB cable 5V host computer to shaping a parallel signal processing IC power supply, computer and drive completely isolated. Main supply voltage DC 12V-40V (recommended 24V/10A power supply) to the stepper drive. CNC Engraving Machine 3A 3-Axis Control Board Stepper Motor Driver Board for Mach2 3 EMC KCAM
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