Yes, the Mach3 USB controller will work with the latest Windows version and in 64-bit mode. The 32-bit mode is only relevant for using the parallel port driver if you are using a parallel port breakout board. Since this controller is connected via a USB cable, the 64-bit state will work fine.

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mach3 not showing in device manager

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[575] I have a 64 bit Windows 11 laptop. Will this interface board work with this? If not is there an option you can suggest.

If you are getting the message RNR Motion Card Not Found, the controller is shorting. Check the wiring to make sure you have all of the correct wires in the correct terminals. Check the voltages of all the terminals to make sure everything shows the correct polarity and voltages.

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Mine did the same thing. Try pushing the USB cable all the way into the port and slightly up. My usb port on the card is slightly oversized and breaking the connection. Ordering some USB type B connectors off of amazon, gonna try and re-solder a new port on the card before replacing the card.

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I am having the same problem but nothing has fixed it. I have replaced the card but still no results.


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I am having the same problem but nothing has fixed it. I have replaced the card but still no results.

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[575] After reset of E stop, I get error message "RnR Motion Card Not Found". Have you any advice?

To bring the machine to the origin, click the "Ref all Home" button. The machine will move to the limit switches. If the axes are not zeroed automatically, you can zero them by pressing the zero button for each axis in the digital readout (DRO) section.

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[575] after coplete work all axis are not coming in orign point but mech3 show all axis are origen point

The Mach3 USB controller can only output pulses and direction signals (5V logic signals).

To connect your Mach3 USB controller RNR controller with a servo AC that has a 24V open collector, you will need to use a level shifter circuit to convert the 5V pulses from the controller to 24V pulses that the servo can accept.

One way to do this is to use a simple transistor-based level shifter circuit. Here are the steps to connect your Mach3 USB controller RNR controller with a servo AC using a level shifter circuit:

Connect the 5V output signals from the Mach3 USB controller RNR controller to the base of the NPN transistor in the level shifter circuit.

Connect the collector of the NPN transistor to the 24V power supply.

Connect the open collector output of the servo AC to the emitter of the NPN transistor.

Finally, connect the ground of the Mach3 USB controller RNR controller and the servo AC to the ground of the 24V power supply.

The level shifter circuit will act as a switch, allowing the 24V power to flow to the servo AC when the 5V signal from the controller is present.

Remember that the MAch3 USB controller only outputs pulses for steps per rotation of a motor. If the servo requires a different method of motor rotation, this will not work.

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[575] Hello. I have rnr controller. My problem is connection with servo ac. My servopack have logic Voltage 24v open collector. How Connect and what i need to Connect rnr with servo if rnr have 5v logic. Thx

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.

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

What problems are you experiencing?

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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

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.

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?

Try the probe connected between the input and DCM with just wires connected to those terminals. When you short the two wires, you should see the change in the diagnostic screen.

Make sure that the probe configuration is correct:
Config -> ports and pins -> inputs tab
on the probe line, make sure the pin number matches the IN number on the controller. Make sure that the port number is 3. And finally, make sure the active low is set correctly. Toggle the active low to toggle the normally open and normally closed state of the probe.

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Nothing changes in the diagnostic screen, however the Digitize led is lit. One wire on in4 the other on DCM. If I were to put a multi-meter to any of the pins would there show any voltage?

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[575] I have my probe conected and have checked continuity but my probe does not show to be working. What else could be wrong?

If your PC is unable to communicate successfully with the Mach3 USB controller that you purchased, the problem can exist outside of the controller. If the problem is with the controller, then my controller will work. If the problem is not with the controller, then the problem will persist.

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[575] I have one of these but pc says device is faulty. If i buy one from you will you be able to fix such problems

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?

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 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.

A couple things to consider, the machine is most likely moving sideways, so the bristles won't be a problem. The lead screw has a very hight mechanical advantage and the bristles don't pose an issue with this. We have not found that the bristles cause any appreciable deflection to the work we do in our shop; however, you can change the brush for a more pliable plastic, or reduce the number of bristles by selectively pruning.

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THE DUST SHOE HAS STIFF BRISTLES, IS THERE PROBLEM WITH MOVING Z-AXIS DOWN SINCE BRISTLES PUSH AXIS SIDEWAYS

If your computer does not have a parallel port, all you will need is a low cost PCI parallel adapter card (these can be found on amazon for $15-$20). If you plan on using a laptop (not recommended) you can try to find a PCMCIA parallel adapter, but many people have frequent issues with this setup. A more expensive solution would be to purchase a USB smooth stepper board. Unfortunately, we do not supply any of these adapters and cannot attest to their reliability.

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ur gay

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MY COMPUTER DOES NOT HAVE A PARALLEL PORT. WHAT DO I NEED?

Yes, we accept standard credit cards on our shopping cart. All you need to do is enter the credit card information in the payment area.

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DO NOT HAVE PAYPAL ACCOUNT, WITH NO DESIRE TO OBTAIN ONE.

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?