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

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?)

What problems are you experiencing?

Additional Information:
Are you able to install a newer version of Mach3? If you are worried that your configuration will be lost, you can save the configuration by copying all of the XML files from the Mach folder. The XML files contain all of the settings that you applied in Mach3. Just in case the XML files are not compatible with the new version, make sure not to erase the current Mach3 that you have on the machine.

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[575] How do I get the USB Driver to work with Mach3 Version 1.84

This controller lacks the capability for backlash compensation. While software or signal-based adjustments are feasible, they are far from optimal if the controller natively supports backlash compensation. The most effective way to address backlash is through the mechanical components of the machine itself.

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[575] Does this motion controller support Backlash Compensation?

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 ?

Check that the port number in the outputs tab for the specific output you are using is set to port 3. Also, make sure you are wiring the output as shown in the outputs video below:

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[575] Hey friend have problem outups is always high m3 m5 not work

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

Open the input signals dialog box by clicking on config, then ports and pins, then input signals. For each line item that you use (i.e. x++, y--, etc) make sure the port number is 3.

Also, make sure there is a 24v power supply connected to the DCM and 24V terminals. One side of the NO on the limit switch must connect to the DCM, or the power supply V- terminal.

Additional Information:

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[575] I cannot get the limits to work I’m normally open as you state

The Mach3 100 kHz controller may be able to support the Sherline 1/2 pulse mode, but I have not tried it. There is no information in the documentation that is related to the parameter that can be set in Mach3 for the Sherline 1/2 pulse mode. You may be able to play with the available kHz ranges that the plugin allows to see if there is a pulse width that meets the Sherline 1/2 pulse mode specification.

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[575] Does the USB MACH3 controller support Sherline 1/2 pulse mode?

Because the USB board is powered by USB (+5VDC) from your PC. Your inputs (eg. limit switches) require up to +36VDC to operate properly.

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[575] Why is a second PSU necessary for the limit switch and e-stop ?

I do not recommend using the Mach3 USB controller to be used with a torch height controller. There are only 4 inputs on the Mach3 USB controller. We have tried to interface a Proma THC to this board without success; however, we did not exhaust all possibilities.

I would recommend the Pokeys57CNC controller to connect the Proma THC as I have interfaced these two before and they work well together.
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

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[575] Hello. Does this USB interface board thc? I have the proma 150.

The Mach3 USB will not work with Mach4. Consider the Pokeys57CNC controller instead. The Pokeys57CNC controller will work with Mach3 or Mach4 and contains more features than most CNC machines need, including 8 motor outputs, 4 onboard relays, limit home and probe inputs, galvanically isolated outputs, and much more.
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

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[575] Will this work with Mach4. I,m thinking to upgrade from Mach3.

I have had no success with this controller paired with a THC
(Torch Height Controller) for plasma cutting. I would instead recommend the pokeys57CNC controller and the PlasmaSense and PlasmaSensOut THC controllers.

https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-plasma-thc-plasmasenseoutandplasmasense

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[575] Could thi board be used for a plasma cutter with THC?

I would recommend using a wireless pendant, like here: https://amzn.to/49nAjkg (Affiliate link)

I use this pendant on my machine and works quite well. If you have communication issues from the pendant to the dongle, there may be too much interference surrounding the dongle, and exposing the internal antenna works well. This is something I needed to do.

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[575] Is there any information on connecting and setting up a pendant.

The post-processor in Vcarve is the standard mach3 post-processor. Use the one with non-ATC if you don't have an automatic tool changer.

Additional Information:
Is there a video somewhere showing Mach3 with V-Carve?

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[575] what would we use for the post processor? for vcarve

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?

Yes, that driver has standard step and direction signal terminals that will work fine with the Mach3 USB controller.

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[575] We have Gecko 203V that require 5v input signal, can this be done?

The Mach3 USB controller will work with M3/M4/M5 or M7/M8/M9 combinations. M10/M11 is not available with the controller.

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[575] does the mach3 usb interface board support the M11/M10 command set?

You can adapt the Mach3 USB controller to control a laser, but I would not recommend it. A traditional laser controller that is designed to control a laser is far better since you can take advantage of more sophisticated features like sweep for engraving, and automatic adjustment of laser intensity for acceleration and deceleration. The Mach3 USB controller can move the axes and turn the laser on and off, but intensity control and engraving are not an option.

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[575] Will this board operate a laser cutter and engraver