Mach3 USB CNC 4 Axis Engraving Machine Interface Board
Description
mach3 how the softwareinstallation problems , see Baidu tray installation video
1.USB magnetic coupling isolation
Board integrated USB isolation circuit, unlike most of the card is not, not interference, but also followed a USB isolation plate, do not say unstable, the cost is even higher.
2. High-power isolated power module
24V turn 5V power isolation module, the input voltage range of 18 ~ 36V , 5V6W output power, in addition to the board spent 1.5W about electricity, the external supply can at least 4W power output.
3. The dual-core CPU 204MHz frequency
Single-chip dual-core 32 Wei the MCU , I do not know how many similar products super performance, streamline design, the system is more stable and reliable.
4. Bi-directional optocoupler isolation input
Using bidirectional optocoupler can be adapted to NPN and PNP input two sensors, electronic counterparts can do and see, so called isolation, ground to be separated, with no traces of copper and shop! Each input has a LED LED indication for easy debugging.
5.NVRAM battery
NVRAM battery mount, save processing machine coordinates and line number.
6. The output port 4 opto isolated
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Isolated signal output, suitable for control of the inverter forward and reverse and other large interference control signal.
7.PWM isolated output with voltage selection function
PWM 10M high-speed optocoupler isolation, and 5V or 10V analog voltage output selection
8. Tacho optocoupler
The same 10M high-speed optocoupler isolation, can capture a higher frequency pulse signal, and the signal to the probe zero input, can be used as the spindle tapping quasi-stop
9. handwheel using the Interface
Hand wheel with a dedicated interface, does not take any input interface, hand wheel has an independent emergency stop input IN17.
10. Universal extended interface
Universal extension interface RS232 interface and SPI interface, the follow-up to increase the expansion board to do the offline functionality .
11.AI analog input interface
Two analog input interface, can be connected to the potentiometer to control the feed override or spindle override, jog magnification, can also be used to measure the external sensor used.
12. Pulse output interface to solve a terminal, wiring more convenient
13. Material enough, never cheaper to install less capacitance
There is also a capacitor without screenshots, a full 5 bile capacitance, plus two inductors, circuit stability fully considered.
14. Various protection details
A) Power supply input recovery and overvoltage protection
B) input port varistor protection, effectively prevent the surge and electrostatic breakdown of the input part of the circuit.
c) output string has a 22 ohm resistor protect the drive up chip output action when excessive current
d) encoder input plus the input buffer chip, on the one hand to filter out high frequency noise, on the other hand protect the input lines are not broken by static electricity
e) linear power 5V output since the resumption of insurance (this 5V output power supply by 24V power supply linear power conversion obtained)
f) output digital 5V (digital isolation power output)
G) the USB port dedicated TVS protection
Additional information
Weight | 0.68 kg |
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