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CNC Engraving Machine 3A 3-Axis Control Board Stepper Motor Driver Board for Mach2 3 EMC KCAM
Description:
Main supply voltage DC 12V-40V (recommended 24V/10A power supply) to the stepper drive. Parallel port is powered by USB cable 5V host computer to shaping a parallel signal processing IC power supply, computer and drive completely isolated. 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.
Note: 5V logic power supply uses 7805 independent power supply filter, three axis by three independent import 7805, also prevents the drive mutual interference. After testing, a 5V logic supply current 23MA; A3977 5V logic supply, current 38MA; 78m05 load current 500mA, measured 7805, temperature 33 degrees.
Suitable for mach2/mach3 /emc/ KCAM etc.
Output standard 3-axis drive, and 4-axis and the expansion port and emergency stop port for expansion 4-axis and 5-axis
The control part and the driving part adopts high speed optocoupler (imported Fairchild 4N25) completely isolated. To prevent interference.
Parallel port with weak signal, the output level is not stable, the output level of the motherboard has a different voltage. The driver board used a large number of imported 74hc series chip to parallel signal amplifying and shaping, so as to raise the output level stable performance.
Stepper motor driver uses a new original chip, the internal DMOS tube, (field effect tube).
Rated maximum output of 3A, 40V, low output impedance, source 0.5, receiving end 0.4, low voltage shutdown, thermal shutdown circuit and circulation protection.
Suitable for 42, 86, 57 two phase five tvl or sixtvl/ four phase five wire or six wire 0.5-3A less than the stepper motor, not suitable for more than 3A of the stepper motor.
Automatic current attenuation, lock motor.
Subdivision: the whole step, half step, 1/4 step, 1/8 step, the maximum 8 subdivision
Integrated original material, current 0-3A adjustable.
Installation: Connetc to the power supply and motor, the parallel port to the computer will be ok, no need for cable to connect to the control board and drive board.
Package included:
- 1 xControl Board
