The pulse stream is output directly from the onboard microcontroller on the Mach3 USB controller, so there is no need for a safety charge pump from the computer to the controller. Parallel port breakout boards were connected to the computer via GPIO pins (General Purpose Input/Output) and each pin dedicated to the step pulse would be output directly from those pins. In that case, a safety charge pump was needed.

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[575] The older B.O.B. needed a charge pump as an added safety feature, does this U.S.B. board need a charge pump?

In theory, utilizing a 5V reference in the 10V terminal of the Mach3 USB controller should yield functional results, although I haven't personally tested this configuration. If you possess an oscilloscope, you can monitor the PWM signal to verify whether the AVI output achieves a peak 5V PWM square wave.

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[575] Can it make the spidle control PWM to a VFD witch 5 V input

There are several CAD/CAM programs out there for MacOS. Here is a list of a few: http://www.macuser.de/forum/f53/3d-2d-cad-395058/#post4499316
I've also read good things about punchCAD: http://www.punchcad.com/
Of course, there is always SketchUp if you are in a pinch. There are a few CAM plugins for SketchUp as well, but I've never used them, so I can't vouch for them.

CAD/CAM will get you as far as designing your parts and producing the g-code, but if you also want to run the CNC machine with your Mac, you will need a piece of software similar to Mach3 or EMC to run the g-code. I haven't been able to find anything like these programs that runs on Mac, so you may have to run Mach3 or EMC in Windows using Boot Camp or a virtual machine such as VMware or Parallels.

Personally, I would use the Mac to do all the CAD/CAM, then use a cheap PC to run the CNC machine.

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EasyDNC for OSX
www.dnc-x.com

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Hi guys I’m new to the cnc and I’m beginning to learn how to operate and cad-cam software also my cnc runs on Mach3 my questions is if I should use MacBook to do all designs if I can have all this software to run on Mac or I have to use windows software to operate it? I have separate small computer connected to the cnc table who have Mach3 on it please help. Also if you know any other software much easy for beginners please let me know thank you guys!
My email if needed is r1jastrzebski@gmail.com

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Hi , thank you for your advise!

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Hi , thank you for your advise!

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Hi , thank you for your advise!

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Hi , thank you for your advise!

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CAN I USE A MAC TO CONTROL THE CNC?

No the USB board is a stand alone purchase, you can find the needed USB cable here: https://buildyourcnc.com/item/electronicsAndMotors-cable-wire-USB-2!0-Cable-TypeA-Male-To-TypeB-Male-newbiehack-Cables_and_Wires-USB-2!0-Cable-TypeA-Male-To-TypeB-Male

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So does it come with. A control box and router

Mach 3 CNC software can do the following:

Converts a standard PC to a fully featured, 6-axis CNC controller
Allows direct import of DXF, BMP, JPG, and HPGL files through LazyCam
Visual Gcode display
Generates Gcode via LazyCam or Wizards
Fully customizable interface
Customizable M-Codes and Macros using VBscript

SET:

Spindle Speed control
Multiple relay control
Manual pulse generation
Video display of machine
Touch screen ability
Full screen eligibility

EQUIPMENT:

Lathes
Mills
Routers
Lasers
Plasma
Engravers
Gear cutting

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how to wire relay with mach board. I have mach interface board with one relay

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HOW MANY AXES CAN MACH 3 CONTROL?

I haven't delved into using encoders with stepping motors too much. From my research, you need to have a controller that can provide the closed loop control, rather than software handling that process. I have also found from my research that using encoders on stepping motors is generally used to stop the machine in the case that the motor failed to achieve the commanded position for some reason and gives the user the chance to correct and continue with the job.

If you want proper closed loop control, it may be best to go with servos and servo controller that provide the closed loop control within the real of those two components.

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CAN THERE BE CLOSED LOOP CONTROL WITH STEPPING MOTORS?

Yes, the Mach3 USB controller can work with the Gecko G540 drives.

Here are the connections you will need from the Mach3 USB controller to the G540:
XP terminal to Pin 2 of the DB25 LPT connector
XD terminal to Pin 3 of the DB25 LPT connector
YP terminal to Pin 4 of the DB25 LPT connector
YD terminal to Pin 5 of the DB25 LPT connector
ZP terminal to Pin 6 of the DB25 LPT connector
ZD terminal to Pin 7 of the DB25 LPT connector
Any pins from 18 through 25 can be connected to the GND terminals next to the XP terminal.

Pins 10 through 13 can be connected to IN1, IN2, IN3, and IN4.

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[575] Can this card work with a gecko g540?

I am not sure of the resolution for the PWM output for spindle speed control. However, if you are worried about getting the exact speed you need, 8-bit will provide 256 levels of increments. This translates roughly to a change of 94 RPM from one increment to another. Remember to provide some inductance and shielding to the signal lines so you won't get fluctuations in speed.

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[575] How is the bit-resolution on the PWM output for the spindle control? (8-bit or higher?)

The power supply that is used to power this controller must be 24VDC maximum. Any higher voltage and the controller components can be damaged. The 24VDC power supply doesn't need to be a high amp power supply. I would recommend This power supply: https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

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[575] Instructions read 24v on the card, can it support 36vdc ?

You can use the mach3turn in the mach3 loader and simply enable the motor outputs. For the inputs and outputs, make sure to use port 3 for the port number and reference the terminal description for the pin number (i.e. IN2 is Pin 2). Don't forget to use the plug RNRMotion.dll in the plugins folder first.

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[575] Where can i find a xml file for maxh3turn?

You can determine if the country is serviceable by:
- selecting the items you want to purchase on the website
- go to the cart (shopping cart top left of any webpage)
- log in, or register
- Enter the address and click on calculate shipping.

The webpage will return the direct rates and whether your area is serviced or not. Feel free to enter any address as long as you are able to receive the package from that address.

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[575] can you add a start cycle

Yes, this CNC controller can be used with closed-loop stepper drivers and motors. The loop for control and feedback is between the driver and the motor. The closed-loop driver receives step and direction signals, which this controller will output which furnishes the driver with the necessary signals to move the motor. Additionally, the closed-loop driver can output a fault signal to this controller through the controller's input terminals in case the motor should encounter a situation that prevents the motor from moving so the CNC can shut down.

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[575] Hi, Can I use this board with a closed loop stepper?

Connect the XD to the Dir, XP to the Step, and the 5V on the Mach3 USB controller to the +5V.

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[575] I have motor control boards that have 4 pin input ( Step, Dir, EN, +5V) how do I connect this USB board?

You can connect the 5V from the Mach3 USB controller to the 5V terminal on the driver, the XP to the Step terminal on the driver and the XD to the Dir terminal on the driver.

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[575] I have motor control boards that have 4 pin input ( Step, Dir, EN, +5V) how do I connect this USB board?

I have not tried using the handwheel inputs for anything other than for handwheel operation. I haven't had success using a THC with the Mach3 USB controller. The pokeys57CNC controller is a better solution for THC (torch height controller) and plasma cutter use.

Here is a link to the okeys57CNC controller: https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

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[575] can the handwheel inputs be used for thc

You can go to our instructions on for the breakout board here: http://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay to get the information on turning the spindle on and off from the computer and mach3. Alternatively, you can connect the computer using RS485 serial to the inverter and send control commands that way.

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HOW TO CONTROL MY 2.2 KW SPINDLE VIA MACH3 usb

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How should I wire the Mach3 card (red, 4 axis) and the vfd (Yl620-a)?

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HOW TO CONTROL MY 2.2 KW SPINDLE VIA MACH3

Yes. You don't need to power the board with 24V. The controller will work with only a USB connection to the computer. However, the Input and output terminals (IN1-4 and OUT1-4) will not work without at least 12V on the DCM and 24V terminals.

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[575] Is it possible to run board on usb power

You can use two MGPs (bare MPGs) to provide independent axis control. The handwheel input on this controller contains discrete inputs for the X, Y, Z, and A axes. These inputs can receive a pulse to move their axis. For instance, you can connect an MPG to the X-axis pin and the wheel will move the X-axis only.

Of course, if you have a traditional pendant, you can move any axis independently from only a single wheel with a switch that selects the axis you wish to move.

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[575] can we use two MPG for two axis independant axis movement

Yes, the Mach3 USB controller works with the Mach3 control software, one of the most popular control software for CNC machines. Fusion360 has a Mach3 post-processor.

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[575] does it works with Fusion 360?