The rigid aluminum 1/2" to 1/4" couplings sold here work better to couple a 1/2" shaft or lead screw to a 1/4" shaft. I would suggest using that coupling rather than the Delrin version. Here is a link to the aluminum rigid coupling:
https://buildyourcnc.com/item/coupling-rigid-aluminum-!25-!5

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[40] when will this item be available

The z-axis travel is 9 inches with the short Z-axis option capability which will largely be determined by how the table is made and if there is a depression built into the table.

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[514] What is the Z-axis travel?

The Mach3 USB controller is specifically engineered to integrate seamlessly with Mach3's CNC control software. Easel, on the other hand, offers an all-in-one CAD/CAM solution along with machine control capabilities. While Easel can output standard G-code compatible with industry-standard post-processors, it can serve as a design tool when used in conjunction with Mach3 but not as the machine control software.

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[575] Will the Mach3 USB interface board support other software such as Easel?

The output current for the Mach3 USB Interface Board is 50mA. These outputs are generally not designed to handle heavy loads like Spindle Governor Relays (SGRs).

If your SGR requires a hefty current. Attempting to directly switch it using just the Mach3 USB Interface Board would not be a good idea. In that case, using your existing C36 rev1.1 board as an intermediary is the way to go. That board can handle higher currents and will act as a buffer, ensuring that the Mach3 USB Interface Board doesn't get overwhelmed.

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[575] How much current can the outputs handle? I want to know if I can directly switch my SGR or if I have to go through the existing C36 rev1.1 board first.

I would not have a problem with modifying the design; however, the change you are requesting would require a large batch purchase since the PCB design would require modifications and a new batch of PCBs would need to be purchased.

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[244] I need a similar device with slightly different operating parameters/features: push button to activate pump initially, high set point turns off pump and starts a 30 sec timer, if low set point triggers during window activate Red LED else activate Green LED. Can you assist with this?

What are the voltage requirements for your proximity switches?

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On the pokeys57 board should I use the limit/home plug or just the block next to that plug form setting up home proximity sensors? I have them on the plug now and can not get them to work.

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?

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

It's generally acceptable to use one pin for all of your limit switches wired Normally Closed (NC), and another separate pin for a Z probe that is Normally Open (NO). LinuxCNC is quite flexible and allows for mixed configurations of NC and NO switches.

Just ensure you configure LinuxCNC correctly to recognize each pin's logic (Active low or active high). And perhaps run a few tests before running the machine.

Additional Information:
It's generally acceptable to use one pin for all of your limit switches wired Normally Closed (NC), and another separate pin for a Z probe that is Normally Open (NO). LinuxCNC is quite flexible and allows for mixed configurations of NC and NO switches.

Just ensure you configure LinuxCNC correctly to recognize each pin's logic (Active low or active high). And perhaps run a few tests before running the machine.

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[59] is it ok to use one pin for all of the limit switches wired NC and another pin for a z probe that is NO, or do all input pins need to be the same (NC or NO)? I would like to use LinuxCNC but will use Mach3 if necessary. a thanks!

You have the ability to designate the 4th axis, commonly known as the A-axis, for rotary indexing operations when using a Mach3 USB controller.

To achieve this in Mach3, you'll need to:

Open the Mach3 software.
Navigate to "Config" and then to "Ports and Pins."
Go to the "Motor Outputs" tab.
Enable the A-axis and assign the respective Step and Direction pins.
Save your settings and exit the "Ports and Pins" dialog.
To calibrate the A-axis, go to "Settings" and use the "Set Steps Per Unit" option.

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[575] Does this board support indexing on mach3 turn? Planning to use it on a lathe and will do threading jobs

Yes, with caveats. This kit includes a controller that will not be compatible, but if you use another type of controller that has web based control, you can use these electronics. Here is a list of web based control for CNC:

- Easel: The web-based software from Inventables can be accessed through Safari or other macOS-compatible web browsers.

- bCNC: A Python-based GRBL CNC command sender, although you may need to jump through some hoops to get it to run on macOS.

- Universal Gcode Sender: A Java-based software that should run on macOS if you have the Java Runtime Environment installed.

- CNCjs: Another web-based interface that you can run on macOS using Node.js.

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[50] Is there a software control package that will work with Axis Electronics Combo (For Heavy Gantry) for apple os.

The digital plans arrive in a .DFWx format. These files can be opened by the free design review application by AutoDesk. The .dfw format provides high precision for all of the geometry within the file, just like .dfx, dwg, and other cad formats (i.e. precision in terms of the number of decimal places provided for vertices in the geometry). This format is used to provide higher precision than what .pdf files can offer, and the files are protected. Please note that files received from us come with a Non-Disclosure Agreement (NDA) and are embedded with the customer's details to discourage widespread distribution.

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[796] Hello, the plans contain computer files DWG, DXF, STL or similar?

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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does the mach3 usb controller interface board support the M11/M10 command set

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?

La entrada de 10v sirve como voltaje de referencia en el extremo superior de un rango PWM. Los 10V son necesarios para que el PWM funcione correctamente.

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[575] buen dia puedo obtener una salida pwm sin conectar los 10v?

Please provide more information about how you have the limits and home switches connected to the controller. Depending on the configuration of your machine, you may not need anything on input number 3.

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Hi, What wire goes to input 3 for home limit and do I have to change anything in Mach3??

Most likely, the driver is not receiving the high or low signal for the direction terminals. The way direction works for an axis is the controller will output a high signal (5V) for one direction and low signal (0V) for the opposite direction. If the signal is always at one signal, say 5V, whether it is commanded in one direction or the other, then the axis will only move in that direction.

To solve this problem, make sure that the wiring is secure at both ends (from the controller to the driver). Also, make sure the Dir+ and DIR- are both wired correctly (i.e. the Dir- is connected to the signal gnd on the controller and the ZD is connected to Dir+ on the driver.

You can use a multimeter to determine the voltage at the ZD terminal by:
- setting the multimeter to DC voltage (the V with a straight line, or dashed line above the V)
- place the black lead on the gnd terminal
- place the red lead on the ZD terminal
- press the page up button and check the voltage
- press the page down button and check the voltage.

You should see the voltage change from 0V to 5V or vice versa.

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Hi I have just set up my machine using a mach 3 USB board I can only get the Z to go in one direction Y and X are Ok I have check wiring and looked at video over and over what have I missed??

The THC and the triggering of the plasma are actually two different functions of a controller. To trigger a plasma cutter, you can use one of the outputs of the Mach3 USB controller (out 1, 2, 3, or 4). That output can be connected to a relay that connects to the two wires that will trigger the plasma.

This video will show how this is done:

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[575] How can I wire/ configure for a plasma cutter without THC? Plasma cutter has a cnc port, where when you short two of the pins, it activates the cutter. Just looking to see how to make that short when pressing f5 in Mach3.

That depends on a few factors. In most cases, three 3.0 amp motors and drivers will not exceed 8.8 amps of available current. All of the motors would need to be at full torque to reach the 9 amps (3x3). This depends on the mechanical method you are using for each motor, and how you are using the machine. In most cases, only two motors are moving at a time (i.e. 3D carving where the X and Z are moving simultaneously and the y only moves to go to the next row). In traditional cutting profiles, only the x and y are moving simultaneously and the z-axis moves at the location it needs to start cutting the next layer.

With that said, it is ok to add an extra power supply if you feel you need more available current.

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[810] Is this a closed loop motor? What is the recommended driver and power supply for this stepper? Would you recommend using one power supply per motor pair or one power supply per motor?

The outputs are independent of the PWM function of the controller. The PWM uses the ACM and AVI outputs from the controller to the VFD along with the 10V input from the VFD to the controller. The 10V input serves as an upper voltage reference for the PWM output. The PWM output is discrete and does not connect with the ON/OFF outputs 1-4 terminals. Did you try testing the outputs without using the AVI and ACM PWM function?

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[575] Depending on the command I use (M3 S50, M3 S100, M3 S70) at a pmw base 100, Ill get not just output 1 with 24v, also outputs 2 3 or 4. Tested on 2 different boards and I just can't find the problem; at the configuration there is only output 1 enabled (port 3 pin1)

Are you using Mach3 or Mach4?

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[816] PLS HELP ON TEST MODE THE LED DO COME ON BUT THERE IS NO MOVEMENT ON THE Z AXIS

The pokeys57cnc controller's motor connectors are as follows:
Motor 1 = X axis
Motor 2 = Y axis
Motor 3 = Z axis
Motor 4 = A axis
Motor 5 = B axis
Motor 6 = C axis
Motor 7 and 8 are two extra axes, D and E I would guess as I have never used them.

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how do I know which axis goes to which plug on pokeys57 board?

Yes, you can use 12VDC for the MAch3 USB controller at the 24V and DCM terminals. I have not tested using 12VDC in conjunction with the ACM and AVI terminals (PWM output) to control the spindle speed. PWM typically requires a reference voltage (from the VFD) and it's own voltage to produce the PWM signal. I am not sure if 12VDC is sufficient for the PWM. I have tested the inputs with 12VDC and they work fine.

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[575] does the 24VDC input actually need 24 VDC if only using the input for homing switches? Can you use 12 VDC? and would it be damaged with a higher voltage than 24 VDC?

Adding more fans will require more power from the power supply. Each fan should have the amps that the fan draws. Add the total amps from the three fans and add one amp for the pump and you will have the total power requirement. The 12V 2amp power supply that accompanies the spindle cooling kit will probably be insufficient for the additional two fans.

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[772] Can I add 3 fans and a bigger radiator to this with the 12vdc power supply

Yes, I can help with auto squaring with the pokeys57CNC. As I get the information, I will post it here.

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[789] Can you help me with auto squaring on cnc plasma table using pokeys 57?

No, ground from the pokeys57cnc controller should not be required. Your VFD should have two terminals that will turn on and off the spindle (forward, or stop). These two terminals simply need to be connected to each other to invoke that operation. In the VFD manual, you will see a schematic with a normally open switch symbol between these two terminals. The onboard relay on the pokeys57CNC would be a great feature of the board to connect to the two terminals of the VFD.

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I have a Glack CNC motor and VFD and confused if a ground from the Pokeys57 needs to be ran to the VFD to turn on and off the motor and to also control the speed. I can provide a picture

You can find wiring diagrams and illustrations for the spindle on this page: https://buildyourcnc.com/item/spindle-inverter-2!2kw-spindle-novfd

This information pertains to the 2.2 kW spindle; however, the wiring is the same for the other spindles as well.

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i need wiring from vfd to spindle, prefer with vfd connector? about 15 feet. do you have or suggest where to get some.

The wiring from the spindle to the VFD will depend on the power rating on the spindle. For a 1.5 or 2.2kw spindle, you can use 18/4 cable.
Shielded:
https://buildyourcnc.com/item/3d-printer-component-cnc-electronicsandmotors-shieldedcable-wire-4-conductor-18-awg-wrcon-cablewire4conductor18awg
Unshielded:
https://buildyourcnc.com/item/3d-printer-component-cnc-electronicsandmotors-cable-wire-2-conductor-18-awg-wrcon-cablewire3conductor22awg

I recommend using a shielded cable as this cable may need to be routed through the machine along with delicate signal cables. The signal cables should also be shielded as well. The shield should be wired to protective earth.

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i need wiring from vfd to spindle, prefer with vfd connector? about 15 feet. do you have or suggest where to get some.

If you wish to test the cutting of a project, zero the z-axis above the workpiece more than the measurement of the final depth of the cut. Make sure you have enough travel for the clearance passes.

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[575] Mach3 cutting in air above stock

If the sensors are NC (normally closed) you can wire them in series. If the sensors are NO (Normally Open) you can still wire them to the same input, but the wiring needs to be in parallel (like a ladder). I have more information on the following video:

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[788] Thanks for the oportunity to ask, I am building a cnc and using npn closed sensors could you help me with the conection of these, do i still connect them in series if i use more than two in each axis. Also you mention that a stop switch should be connected grd and input to the controller would that be done after the 24v power supply. Thanks r

This cable is good for low-production or hobby CNC machines. It is not intended for industrial applications. I would recommend https://buildyourcnc.com/item/electronicsAndMotors-cable-wire-20awg-wrcon which is suitable for industrial applications and can be continuously flexed.

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[801] Is this cable rated for indefinite flexing in cable chain?

The 8 wire motors need to be wired in bipolar parallel configuration. The wiring is as follows: Red and Blue to A+, Yellow and Black to A-, White and Brown to B+ and Orange and Green to B-. To find the wiring for the 4 wire motors, the wiring is Red to A+, Orange to A-, Blue to B+ and Green to B-.

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I have constructed the cnc router machine as shown in woodsmith magazine. I have purchased the 3 Nema stepper motors. The one larger motor has 4 wires, as do the other two. However, on the schematic, the Z, and Y axis motors indicate 8 wires each. Did I go wrong, or are there different Nema 23 motors?

Are you referring to an alarm output from a closed-loop driver? If so, you can use any of the pokeys57cnc inputs (i.e. axis limit input) that will serve as a way to stop the machine when the driver has exhausted all attempts to achieve the commanded position.

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Ok thank you, what about pin 7 on the motor connector? it says errorin do you know if that can be used for this?

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how do I hook up encoder alarm on Pokeys57 board

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

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] Hi, I have an old version of MACH3 V1.84 - Can someone tell me where to place the USB motion drive as there is no plugin folder in this version.

Do you have an oscilloscope? You will be able to see the PWM signal and determine if the output is correct. Make sure that you are using the 10V from the VFD as the voltage reference for the 10V terminal on the Mach3 USB controller. The 10V terminal is an input, not an output on the Mach3 USB controller. The 10V is the top voltage signal level that the Mach3 USB controller uses for the PWM signals 100% duty cycle.

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[575] I have the wiring and programming and parameters set the same way that you do in the spindle speed control and outputs videos, I can start and stop the spindle with mach3 but can't seem to control the speed. Can you think of solutions?

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

This timing belt is sold as one continuous length, not looped.

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[116] Does this belt with added length (example 96 inches) come as one looped belt, or does it come as a straight, continuous linear belt ?

Yes, you can use these electronics to move a machine that has an area of 48" x 48". If you are looking for faster jogging, you can upgrade the motor to this one: https://www.buildyourcnc.com/item/electronicsAndMotors-nema34-1100ozin

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[50] this combo is compatible for a CNC with a 48" x 48" work area

I would recommend using a separate 24VDC power supply for the controller. The 24VDC that is connected to the controller is used for delicate input signals and output signals that control external devices. To keep interference and possible current and voltage fluctuations at a minimum due to the motor load, a separate power supply would be best.

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[575] Can the 24VDC supply used for the interface board be the same supply used for stepper drivers, or do you need separate power supplies? If not, does GND and DCM need to be isolated?

The thickness of the bearing (width of the bearing) is 7.9 mm or 0.3115 inches.

The outside diameter of the bearing is 23 mm or 0.9 inches
The inside diameter (bore) is 9.5 mm or .375 inches

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[104] How wide is the bearing

That's an insightful question. My initial impression suggests that it is indeed possible. The trigger for the plasma torch can be activated by a high or low signal, which can be conveniently managed using a relay. However, one potential challenge might be the absence of torch height control in laser controllers such as the Ruida. Nonetheless, if you can address this height adjustment through mechanical means, which many machines are capable of, utilizing the Ruida controller for plasma applications should not pose any significant issues.

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Can the RuiDa RDC6442G laser controller be used for plasma

Suppose the DRO is showing a negative number and is increasing when moving away from the home position. In that case, the configuration in the control software and/or the motor's connection to the driver is incorrect. You can solve this by Not knowing your mechanical configuration, you may need to swap the motor coil connection on the driver and toggle the direction low active in the control software.

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does it matter that the dro displays negative on the y axis when moving from home position

The closed-loop function of motors and drivers (either servo or stepper) is confined between the motor and the driver. If the motor did not achieve the number of encoder pulses, the driver will attempt to spin the motor until the commanded pulses are achieved. Drivers for servos and steppers for CNC machines have an alarm terminal to inform the pokeys57cnc in case of a condition that the driver is not able to achieve the commanded pulses over a specified time.

If you wish to turn a motor by hand for each axis, you can use an MPG (manual pulse generator) for each axis which will update the position of the axis. You can implement this on a pokeys57CNC controller.

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[596] With servomotor encoders connected to Pokey57, will Mach4 DRO update when motors are turned manually?

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

It appears that the LCD that you have on the vacuum pressure controller is damaged. You will need to remove the LCD (desolder the LCD) that is on the controller and resolder a new one.

Here is a link to the LCD used for that vacuum pressure controller:
https://newbiehack.com/categories/newbiehack-LCD_Displays_and_LEDs-LCD-16x2

Newbiehack is a sister website to buildyourcnc.

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I have a vacuum regulator pump controller that I purchased from you previously. The LCD display is now missing the bottom line of text. Have you run into this issue before? Can I just swap out the LCD displays or is a fix going to be more involved?

Yes, this 4th axis system will work with the Masso controller. The 4th axis has a standard stepper motor. You will need a driver between the Masso controller and the stepper motor.

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[410] Will this work with the OneFinity Elite series with the MASSO controller?

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?

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?

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.

This controller does not have an encoder input to determine the speed of a lathe spindle. The Pokeys57CNC does have an available encoder input.
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

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[575] how do i connect a lathe spindle speed encoder to this usb breakout board controller so i can set up for thread cutting on my lathe and on the mill for threading

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?

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] Can it control a safety charge pump ?

The wire connection to this driver will depend on What you are connecting to the driver.
- For the motor connection to the driver, use the motor's datasheet for the connection schema. If the motor has 8 wires, apply the bipolar parallel connection schema.
- For the power supply to the driver, use a DC power supply that does not exceed the rated voltage displayed on the front of the driver. 48VDC or 36VDC is recommended for this driver.
- For the digital connections from the Mach3 USB controller to the driver, the PUL- and DIR- should connect to the gnd terminal on the controller. The XD (the X-axis is used in the example) should be connected to DIR+ and XP should be connected to PUL+ For the Pokeys57CNC, the step pin connects to PUL-, the DIR pin connects to the DIR- and the 5v connects to the DIR+ and PUL+.

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[57] What should be the wire connection

A wireless MPG is generally independent of the controller since it communicates to Mach3 directly and does not pass through the controller. I am using a wireless MPG and I have no problems with either of the controllers that I sell (Mach3 USB controller or the Pokeys57CNC controller).

The issue you are having may be in the configuration of the wireless MPG that you are using.

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I am trying to decide which board I should use. I have a wireless MPG and every time I jog Z my X axis steps. If this is not a board issue I would like to go with a wired MPG. So I would like a board that I can have a wired MPG, use a tool touch off probe, control either spindle (VFD) on/off or on/off with speed control, and have homing switches.

Absolutely, the controllers I sell: the Mach3 USB controller and the Pokeys57CNC controller will work in all modern versions of Windows, including Windows 11 at 32 or 64-bit.

Additional Information:
Now I am trying to decide which board I should use. I have a wireless MPG and every time I jog Z my X axis steps. If this is not a board issue I would like to go with a wired MPG. So I would like a board that I can have a wired MPG, use a tool touch off probe, control either spindle (VFD) on/off or on/off with speed control, and have homing switches.

Additional Information:
Both of the boards, Mach3 USB and Pokeys57CNC have onboard connectors for wired CNC MPG Pendants. However, the pokeys57CNC is a much more feature rich controller.

Additional Information:
Both of the boards, Mach3 USB and Pokeys57CNC have onboard connectors for wired CNC MPG Pendants. However, the pokeys57CNC is a much more feature rich controller.

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Will the control board you sell work with windows 10 Pro

Make sure that the port setting for that output is set to port 3. To do this in Mach3, click config -> Ports & Pins -> click the outputs tab and in the list of outputs, select the output you want to use and set the port to 3.

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I have a single axis motion for my table saw fence. Motor, limit switches and e-stop work fine. I now need to add an air solenoid relay but I cannot get the outputs to work. I have 24v supply connected and tried using the Spindle output on pin 1. But using a multimeter, there is no voltage on the Output 1 terminal.

The outer diameter, including the conductors and the outer jacket, is 0.235"

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[801] What is the nominal outer thickness of the wire?

In the scenario where the motors are not moving, do you see the red LED on the Mach3 USB controller blinking fast?

- If not, then there is a communication issue between the computer and the Mach3 USB controller.

- If you do see the blinking, then there is an issue between the Mach3 USB controller and the drivers, or a power supply issue (the power supply that is connected to the drivers that power the motors).

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Asus Laptop win11 running Mach3USB and rnrmotion board. Sporadic event. Everything starts and looks correct. Readouts show motor movement with arrow keys, however, motors don't move. Came back 1 day later to resolve and everything worked fine. this has happened 3 time in the last year. I am having this problem right now. What should I do?

Glycol can be problematic used in chillers unless the chiller is made specifically for glycol. Glycol can become more corrosive over time and cause damage to various parts of the chiller, including the pump. If you frequently change the fluid, you may be safe, but you will want to monitor the condition of the pump and other parts of the chiller. A concentration of 30% glycol and purified deionized water with a pH level between 7.0 and 8.2 will be a good mixture that may prevent corrosion over a period of 2 to 3 months.

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[542] Can this be used with Glycol to cool to -3°?

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 PlasmaSense THC has two terminals for high-voltage inputs + and - at a max of 350V and alternative terminals for +10 and -10 volts max intended for the divided voltage from the plasma cutter.

If the divided voltage does not exceed 10V + or -, then you can use this THC. If the divided voltage is more than 10V, you will need to further reduce that divided voltage.

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[803] my plasma cutter has a 50 to 1 divided voltage what can i do to wire that to the thc? let me know thanks.

There are a few ways to determine if a driver is not functioning properly. In all of the recommended actions below make sure to turn off all power and allow all energy to bleed before making any changes. This usually takes about 10 seconds, but you should allow at least 1 minute as different power supplies work differently.
- First, if the red LED is on, then the driver is in an error condition telling you that either the motor is connected incorrectly to the driver (one coil is connected across the A and B terminals of the driver), or the incorrect Amp setting is used. If you are certain the motor is connected correctly, i.e. one coil is connected to the A terminals and the other coil is connected to the B terminals, then try lowering the Amp setting and try again.
- If the axis is not working at all, there may be an issue with either the wiring from the controller to the driver, the controller could be bad, the driver could be bad, the motor could be bad, or the wiring between the motor and the driver is bad. If check if the driver is bad, you can move the signal wires coming from the controller that you know is working and wire them to the non-working driver. If the axis still doesn't work, then there is a problem with either the driver or the motor. At that point, disconnect the motor from that driver and connect a know working motor to that driver. If the motor turns, then you know the problem is the motor that was disconnected. If the motor does not turn, the problem is most likely the driver, but still could be the wiring from the controller to the driver, so you will want to confirm that connection.

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[56] Hello, how to tell if a driver is bad?

The HY VFD has three main terminals for PWM control. These terminal inputs are:
- VI for the analog (PWM) voltage input (input at the VFD, output at the controller, i.e. the Mach3 USB controller),
- 10V output (this is an output from the VFD and an input at the controller) serves as the high voltage value for the width of the voltage,
- and ACM the ground from the controller (DCM at the controller)

In the parameters:
- PD002 should be set to 1 (one). PD002 is the source of operating frequency which is the RPM of the spindle in the Hz frequency units. 400Hz = 24000 RPM.
- PD003 specifies the frequency range for these terminals (10V, VI, and ACM) where 10V (voltage reference) is 400Hz and 0v is 0Hz, and VI adjusts the range from 0 and the voltage reverence (10V).
- PD070 selects the voltage range or current range (for use with the AI external VFD terminal as opposed to using the VI). You want to keep that parameter at the factory setting of 0 (zero) 0-10V.

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[575] Can you please point me in the direction of a list of VFD Parameters for this to as intended for spindle speed control? I’m using Hunyang VFD. I’ve verified outputs/relays working as intended and PWM signal is correct at the VFD, but its still pulling speed control from the onboard pot instead of PWM signal. I’ve tried every combination of parameters I can think of but no luck.

The 2.2kW Spindle weighs 10 lbs.

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[78] How much does it weight?

You have motors and drivers that already work with your machine (unless the drivers are an all-in-one setup and not modular. I would advise you to keep your current electronics and replace the parallel port breakout board with a controller that uses the USB to operate.

Here are two controllers that work under Mach3, or Mach3 or Mach4:
Mach3 USB controller (works under Mach3 only)
https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board
Pokeys57CNC full-featured controller works under Mach3 or Mach4:
https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

Alternatively, you can purchase a complete plug-and-play system or have your control system sent over to Buildyourcnc to modify the control system to use one of the above controllers.

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[422] I have a probotix cnc router purchased in 2014, used to run on linyx, now Mach3, WindowsXP, printer port, i would like to be able to use a modern computer usb, do you have something like a plug & play or control box i can wire this into, 2 Y axis, i lost my auto tool length when i switched to XP also, any help appreciated

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?

The motor with that model number is here: https://buildyourcnc.com/item/electronicsAndMotors-nema24-425ozin

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In looking for a stepper motor amongst old parts in my lab, I found one with a sticker that says buildyourowncnc.com and PN SM60HT86-2008BF U2 on it. I found a Q&A on your website that says it's a NEMA 24 motor with 425 oz/in holding torque. I was wondering if you were able to confirm this? Any specs sheets and details of the motor would be much appreciated

The 2.2kW spindle has 4 bearings in total:
- two 7005 angular contact ball bearings and 25mm ID x 47mm OD x 12mm W
- two 7002 angular contact single row ball bearings with the dimensions 15mm ID X OD 32mm X W 9mm

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[78] what type of bearings are used in the 2.2 kW (kilowatt) Water Cooled Spindle

I can send you a new license. All you need to do is email me at customerservice@buildyourcnc.com and state the name the license is under and I will send you another license.

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I had to reset windows on my computer and in so doing, I lost my Mach 3 program. I tried to re-download it, but the license is expired. How can I reinstall the program? License # 44y5-Version R3.043.062- Bought about May 12, 2020

We are manufacturing these antibacklash nuts.

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[365] Did you by leftover stock from dumpster cnc or are you manufacturing these now?

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

The run out for the spindles that are sold here is less than 0.005mm or 0.0002 inches.

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[77] What is the spindle runout calculated at?

To make an axis move in the opposite direction to what it is currently moving, you will need to toggle the ":direction:" active low setting for that axis. for instance, if when you press the page up button and your z-axis move down instead of up, then you need to make this change in the configuration.

To do this in Mach3:
- Click on the config option in the top menu
- Click on ports & pins
- Click on the motor outputs tab
- on the axis you wish to reverse, click on the "dir active low" to toggle the state of that parameter.

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I installed a pokeys57cnc and use Mach3 for the mill. When I page up or down the Z axis moves down. Is there a setting I need to change? I checked the Z axis wiring and it matches the X and Y axis which function correctly.

If the Z-Axis is moving down when you press the page up or page down (or by moving the z-axis by another means like with an MPG, Pendant, or the built-in MPG in Mach3), then the direction signal wire is not connected correctly. The direction signal wire works by moving in one direction with a low signal (like gnd) and moving in the other direction with a high signal (like 5v). If the signal stays at one of the two signals, it will only move in the direction of the current signal state. Recommended action is to determine if the DIR- and DIR+ signal wires are connected securely and make good contact at the driver and controller sides.

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I installed a pokeys57cnc and use Mach3 for the mill. When I page up or down the Z axis moves down. Is there a setting I need to change? I checked the Z axis wiring and it matches the X and Y axis which function correctly.

If the Z-Axis is moving down when you press the page up or page down (or by moving the z-axis by another means like with an MPG, Pendant, or the built-in MPG in Mach3), then the direction signal wire is not connected correctly. The direction signal wire works by moving in one direction with a low signal (like gnd) and moving in the other direction with a high signal (like 5v). If the signal stays at one of the two signals, it will only move in the direction of the current signal state. Recommended action is to determine if the DIR- and DIR+ signal wires are connected securely and make good contact at the driver and controller sides.

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I installed a pokeys57cnc and use Mach3 for the mill. When I page up or down the Z axis moves down. Is there a setting I need to change? I checked the Z axis wiring and it matches the X and Y axis which function correctly.

These antibacklash nuts are right-handed acme threads with 5 starts.

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[365] I had ordered 3 and they appear to be left handed threads. I did not see a specification when ordering. Is this mentioned somewhere?

To use the inputs and outputs on the MAch3 USB controller, you will need at least a 12 VDC power supply inte 24V terminal (V+) and the DCM terminal (V-). The common lead of the limit switch will be connected to DCM (V-) and the NO (Normally Open ) lead of the limit switch will be connected to the Input of your choice (IN1 - IN4).

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[65] So do you need a 24 volt power supply on the USB breakout board or can you use the 5 volt side ?

Does the machine move when you use the arrow keys in Mach3? Have you ever gotten Mach3 and the machine working without the handwheel?

Additional Information:
Yes, it does react on arrows.

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[575] Hi, I can see reaction on MPG handwheel encoder and axis switches in rnr controller plugin configurator, but mach3 doesnt react on it anyhow. MPG1 enabled in settings, mpg mode activated. Any advice is highly appreciated.

Yes, all you need to do is email us at customerservice@buildyourcnc.com and include your name in the email and that you need a re-issued Mach3 license.

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In November 2022, I purchased a MACH3 license. I received an email containing a link, but received a "Expired" message when I clicked on it. Can I get a new licsense link? Thanks in advance.

If some axes are not moving in two directions, the direction signal is not making good contact at either the controller or the driver.

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I have USB Interface board. All axes are working if using MDI , using program some of the axes are only moving one direction. Example using Gcode X50 Y50 Z50 and then X45 Y45 Z45 then online one of the axes is turning correctly. But also shows on Mach3 screen that all axes are moving correctly.

Yes, if you wish to get help with a product that was not purchased at buildyourcnc.com, you can go to this link and purchase a token:
https://www.buildyourcnc.com/item/sub-assemblies-Technical-support-token

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[541] I need some help, can I pay you for your time? I have a old Golden Laser has 2 co2 lasers 80 watts each, trying to put a new Ruida 6445G contorller in it.

Are you using this output with a relay, or without a relay?

Additional Information:
With a relay. Seems to be only Output 1- relay works fine on 2,3 or 4

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Having trouble getting outputs to work. I have followed the video and searching qusrions see that Port 3 has to be enabled and have checked tha. tI have the 24v PS connected to 24V and DCM on the board. Ive enabled the outputs under the spindle configuration.

The instructions for CAMBAM is located on the CAMBAM website here:

Written documentation: http://www.cambam.info/doc/
Video documentation: http://www.cambam.info/vids/
FAQ: http://www.cambam.info/support/

Videos on the BuildYourCNC YouTube channel:

Project using a CNC Router - The Complete Process from Start to Finish - A Must-See for Beginners

CNC Beginner Overview - One Demonstration of the CAD, CAM and CNC Milling Process

CNC Routing Process (CAD, CAM and CNC Control) Variant 1: CAMBAM to Mach3 and CNC Routing

CNC Routing Process (CAD, CAM and CNC Control) Variant 2: Part 1 Starting the Design in AutoCAD

CNC Routing Process (CAD, CAM and CNC Control) Variant 2: Part 2 Finishing the Design in AutoCAD

CNC Routing Process (CAD, CAM and CNCl) Variant 2: Part 3 Apply Machining Operations in CAMBAM

CNC Routing Process (CAD, CAM and CNCl) Variant 2: Part 4 Cut Out the Shelves.

CNC Routing Process (CAD, CAM and CNCl) Variant 2: Part 5 Cut Out the Legs and Assemble.

Part 1: From SketchUp to Fabrication

Part 2: From SketchUp to Fabrication

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[73] Are there instructions that come with CAMBAM

Yes, you can use a corner plate very easily. You will want to make a corner plate that has three independent plates that do not conduct with each other. Each of these plates will be connected to a different input (i.e. IN1 for X, IN2 for Y and IN3 for Z). The end mill or tool that is inserted into the spindle will connect to V- of the 24V power supply, or the DCM on the controller, which is connected to the 24V V-. Then, you can use the ref all home button on the program run screen of Mach3.

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[575] Is there a way to use an X,Y plate that will only be responsible for corner finding?

Yes, you can use a corner plate very easily. You will want to make a corner plate that has three independent plates that do not conduct with each other. Each of these plates will be connected to a different input (i.e. IN1 for X, IN2 for Y and IN3 for Z). The end mill or tool that is inserted into the spindle will connect to V- of the 24V power supply, or the DCM on the controller, which is connected to the 24V V-. Then, you can use the ref all home button on the program run screen of Mach3.

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Is there a way to use an X,Y plate that will only be responsible for corner finding in Mach3 with the Mach3 USB controller?

Yes, you can use a corner plate very easily. You will want to make a corner plate that has three independent plates that do not conduct with each other. Each of these plates will be connected to a different input (i.e. IN1 for X, IN2 for Y and IN3 for Z). The end mill or tool that is inserted into the spindle will connect to V- of the 24V power supply, or the DCM on the controller, which is connected to the 24V V-. Then, you can use the ref all home button on the program run screen of Mach3.

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I have the mach 3 USB board running a XYZ router, and a Z touch off (button style @ fixed position). I am wondering if there's a way to also use an X,Y plate that will only be responsible for corner finding. Is the digitize input the only input that can be used for a touch plate?

It changes the polarity of the switch, therefore you will need to connect it accordingly, and also set your pins properly. Check out this video -

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[788] Does it make a difference if I use a PNP instead of an NPN?

How did you test the laser tube? One of the two mirrors or the laser tube end may be damaged.

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[550] What could be wrong when the CO2 laser tube fires a beam inside but it doesn't go out of the tube?

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 ?

Yes, I can furnish the redFly system without motors. You can request a quote for this at customerservice@buildlyourcnc.com

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[422] I'm interested in using Mach4 and already have 3 motors (425 oz-in). Is it possible to get a electronics system without the motors?

It is normal for stepper motors to get hot to the touch while not moving. There is a setting on the driver that you can set to half current. This is an idle current while the motor is just in a holding position.

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[54] I have two of these motors, both purchased recently as part of the heavy gantry 3-axis combo. They are warm to the touch when not doing anything. Is this normal? They work when jogged w/mach4

Yes, the radiator is aluminum. I use computer cooling fluid. https://amzn.to/3Oamjke

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[772] Is the radiator aluminum and do you add and algicides or anticorrosive agents?

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.

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

You can find all of the wiring instructions for the Mach3 USB controller here:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

Scroll down until you see the videos. The wiring instructions cover wiring all of the axes, setting up the inputs to sense limit switches, setting up the outputs and how to diagnose the outputs, setting up an external relay to control external devices, and setting up spindle speed.

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where can I find wiring instructions for the Mach3 USB controller?

Only domestic orders within the continental United States are offered free shipping on orders above $50. International orders must pay for shipping on the checkout page.

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Is shipping to international orders free over $50?

You can change the direction of a stepper motor's rotation by swapping the A and B coils where the stepper motor is connected to the stepper driver. This may not work with every stepper motor and driver combination.

To do this:
- Turn off all power to the stepper drivers. If this is not done, you will damage the stepper driver.
- Wait at least 1 minute for the power to dissipate from the drivers and power supply.
- Once power is off, remove the wires from the A+ and A- and insert these wires into the B+ and B- respectively. Then insert the wires that were in the B+ and B- into the A+ and A- respectively.

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Is there a way to change the direction of a motor with the motor to driver wiring?

To change the direction of an axis in Mach3:
- open Mach3
- Click on the config selection on the top menu
- Click on ports and pins under the config menu
- Click on the motor outputs tab in the ports and pins dialog box
- In the axis row that you wish to chang ethe direction, click on the active low toggle for direction.

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In mach3, how do you flip the direction of an axis?

Machine sizes outside of what is selectable on the home page, or the machine product page require a special quote. You can text me at 832-477-0526 for a quote on a unique configuration.

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[593] I want this to be 12' long. how much does that cost?

That depends on a few factors. In most cases, three 3.0 amp motors and drivers will not exceed 8.8 amps of available current. All of the motors would need to be at full torque to reach the 9 amps (3x3). This depends on the mechanical method you are using for each motor, and how you are using the machine. In most cases, only two motors are moving at a time (i.e. 3D carving where the X and Z are moving simultaneously and the y only moves to go to the next row). In traditional cutting profiles, only the x and y are moving simultaneously and the z-axis moves at the location it needs to start cutting the next layer.

With that said, it is ok to add an extra power supply if you feel you need more available current.

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[51] Would the single 8.8A power supply be undersized for 3 6.0A Drivers? would you recommend getting another PS?