Developed an issue, when moving the y-axis it started to move, than stalled and sounded like gears grinding. Had to re-zero the y-axis. Using the USB controller with Mach3 software. What would cause this?

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Question #: 14891

Question: Developed an issue, when moving the y-axis it started to move, than stalled and sounded like gears grinding. Had to re-zero the y-axis. Using the USB controller with Mach3 software. What would cause this?

Current Solution

The velocity is too high and/or the acceleration is too high and/or the axis is not calibrated and the motor is trying to move too fast, or trying to move too much inertia that the rated torque cannot overcome.

The recommended action would be to lower the velocity and the acceleration and do a calibration using the "set steps per unit" wizard on the settings tab of Mach3.

Once the calibration is completed and you have confirmed that the motor is moving the correct distance in reality compared to the DRO (digital readout) in Mach3, then you can increase the velocity and acceleration in the motor tuning section of Mach3 (config -> motor tuning).

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Other Possible Solutions to this Question

I am building a cnc mill using your USB controller and i would like to know what is the specification of potentiometer used for adjusting manual axis jog speed
Dealing with our USB BoB, the potentiometer that will be used in the key jog, is a 5V, 5k - 10k Ohm potentiometer.
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I am building a cnc mill using your USB controller and i would like to know what is the specification of potentiometer used for adjusting manual axis jog speed
I am interested in using the Mach3 USB interface board. I was wondering if there was a way to run a torch height controller with this board for use with a plasma cutter, and if so do you know of any THCs that will work. Thank you.
Yes, you can connect a THC, Torch Height Controller, with the Mach3 USB controller. The THC uses the inputs to determine if the z axis needs to move up or down according to the arc of the plasma torch. The THC connects its outputs to the inputs of the controller so the controller will be informed of the states of the plasma torch.
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I am interested in using the Mach3 USB interface board. I was wondering if there was a way to run a torch height controller with this board for use with a plasma cutter, and if so do you know of any THCs that will work. Thank you.
I have your USB controller sitting here and want to control it with something other than PlanetCNC control software?
The USB controller will only work with the Planet-CNC software. This software is well made and will provide great functionality. The planet-cnc software delivers instructions to the microcontroller on the board and the microcontroller will send out the pulse trains needed to move the machine correctly.

There are two main alternatives if you want to use the mach3 software:
First, get a parallel port card and add it to your computer and get a parallel breakout board. If you have a laptop/notebook computer, this will not be possible.
Second, if you have a laptop, or really want to use the USB as the main interface for controlling the machine, you will need to get the smoothstepper board which works with mach3. The price combination is much higher than the USB controller with planet-cnc, but will work with Mach3.

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The planet cnc controller can be prone to electrical interference and has been known to cause such problems. In the first instance try to use a quality double sheilded USB cable, hopefully this will fix your problem. Alternatively you may need to sheild your limit switch, estop and or motor cabling. My pick is that a quality USB cable will fix it though, worked for me.
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I have your USB controller sitting here and want to control it with something other than PlanetCNC control software?
I AM USING USB BREAKOUT BOARD WITH PLANET-CNC SOFTWARE. WHEN ENABLE JOGGING KEYBOARD X AXIS STARTS TO MOVE BY ITSELF (WHETHER CONNECTED OF NOT). PRESS STOP - IT STOPS FOR A MOMENT AND THEN AGAIN. WHAT COULD THAT BE? TRIED REINSTALL SOFTWARE DID NOT HELP.
It seems to be getting some kind of interference or a short within the wiring or communication, try jogging the motors in the software without anything wired to the board. Then add one motor at a time to see if there is a short within your wiring or a faulty driver/motor.
If the USB breakout board continues to move the x-axis with no motors or driver wired to it, please email customerservice@buildyourcnc.com for a replacement or further troubleshooting.
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I AM USING USB BREAKOUT BOARD WITH PLANET-CNC SOFTWARE. WHEN ENABLE JOGGING KEYBOARD X AXIS STARTS TO MOVE BY ITSELF (WHETHER CONNECTED OF NOT). PRESS STOP - IT STOPS FOR A MOMENT AND THEN AGAIN. WHAT COULD THAT BE? TRIED REINSTALL SOFTWARE DID NOT HELP.
If I purchase the [blackToe 2x4 v4.1 CNC Machine Kit - USB Electronics - Table Included] all I would need for this CNC to be fully operational is a laptop with mach 3 software and a router. Is this correct?
if you purchased the USB interface, you will need planet-cnc software rather than Mach3, and you will need a usb cable to connect the usb interface to the computer.

The blackToe 2x4 CNC Machine Kit with optional table will need wire to connect the electronics. Don't forget to get some end mills to use for cutting the intended material.

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If I purchase the [blackToe 2x4 v4.1 CNC Machine Kit - USB Electronics - Table Included] all I would need for this CNC to be fully operational is a laptop with mach 3 software and a router. Is this correct?
Does USB Controller Breakout support Linux Ubuntu and does the software support command line interface (to control it with python scripts for example)
The usb controller will only work with the planet-cnc software which is software that will work in Windows.
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Does USB Controller Breakout support Linux Ubuntu and does the software support command line interface (to control it with python scripts for example)
Does USB Controller Breakout support Linux Ubuntu and does the software support command line interface (to control it with python scripts for example)
The usb controller will only work with the planet-cnc software which is software that will work in Windows.
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Does USB Controller Breakout support Linux Ubuntu and does the software support command line interface (to control it with python scripts for example)
I have the 2.2KW VFD. I would like to have it controlled through software. What are the Mode parameters that need to be changed that will allow FWD/ REV, START/STOP and RPM control?
What controller are you using to control the cnc machine (Mach3 usb, parallel breakout board, etc.)?

The spindle VFD has an input for 0-10 volts to control the speed and can be used with the MAch3 USB or the Pokeys57CNC board. There are also other terminals in the VFD to control the forwared/reverse and start and stop. Mach3 has parameters to control these output and you need to specify which pins are used for these.

You can also use the TX/RX RS-485 connection on the VFD to have total control using an FTDI USB to serial connector board to connect the computer directly to the VFD.

How to connect the USB to Serial adapter to the VFD:
https://www.buildyourcnc.com/FAQ/13790

FTDI USB to Serial:
https://www.buildyourcnc.com/item/Interfaces-newbiehack-Interfaces-TTL232R-USB-UART-Serial

Pokeys57CNC board:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

Mach3 USB board:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

Parallel Breakout board:
https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay

Additional Information:
I do apologize for leaving out the parts list.
Leadshine MX4660 4-Axis Digital Stepper Motor Driver
Ethernet SmoothStepper
YL600-2S-2K20 VFD
4 Relay control board
Has anyone had any success getting Mach3 to control the spindle speed and direction?
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I have the 2.2KW VFD. I would like to have it controlled through software. What are the Mode parameters that need to be changed that will allow FWD/ REV, START/STOP and RPM control?
How do you zero the z axis using a plate with the planet-cnc software and your USB controller?
The instructions on how to use a plate for z-axis homing (moveable sensor) can be found here:

http://www.planet-cnc.com/faq/moveable_sensor/

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How do you zero the z axis using a plate with the planet-cnc software and your USB controller?
I purchased a USB Breakout board, motors and drivers, paid for CNC USB Controller Software and I CAN NOT "Slave" an axis, but there is an option to do that. The moment I connect USB Breakout Board "Slave" option becomes shaded and I can no longer select it (becomes not functional). What is going on? Need help asap. Thanks
I would not recommend slaving an axis using the method of taking an additional axis from the USB interface. Instead, wire both drivers to a single axis on the USB interface. This will insure perfect signal output to both drivers. If you requre the motors to spin in opposite directions, simply wire one of the motors to the driver reversing the coil A and B connections, or use a hex inverter (https://www.buildyourcnc.com/tutorials/Tutorial-Two-Motors-Spinning-Oppositely-On-Single-Axis).
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I purchased a USB Breakout board, motors and drivers, paid for CNC USB Controller Software and I CAN NOT "Slave" an axis, but there is an option to do that. The moment I connect USB Breakout Board "Slave" option becomes shaded and I can no longer select it (becomes not functional). What is going on? Need help asap. Thanks
I am using USB breakout board with planet-cnc software. When I enable jogging keyboard x axis starts to move by itself (whether keyboard connected of not). When I press stop - it stops for a moment and then starts to move again. What could that be? Tried to reinstall software - did not help.
It seems to be getting some kind of interference or a short within the wiring or communication, try jogging the motors in the software without anything wired to the board. Then add one motor at a time to see if there is a short within your wiring or a faulty driver/motor.
If the USB breakout board continues to move the x-axis with no motors or driver wired to it, please email customerservice@buildyourcnc.com for a replacement or further troubleshooting.
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I am using USB breakout board with planet-cnc software. When I enable jogging keyboard x axis starts to move by itself (whether keyboard connected of not). When I press stop - it stops for a moment and then starts to move again. What could that be? Tried to reinstall software - did not help.
Using USB Controller Board with Planet-CNC software. The S/W recognizes limit switches but not soft limits. Help?
"Soft limits are used to decelerate machine to stop before machine is stopped hard way at limit switch or before it crashes. I recommend "Soft Limits Decelerate" and "Soft Limits Strict" settings are also checked. Sometimes we need to disable soft limits and there is a command for this in menu "Machine/Soft Limits". When soft limit is triggered position display will be yellow."

Are the soft limits "grayed out"?
Here is a link to a very useful forum post from the Planet-CNC crew:
http://www.planet-cnc.com/faq/machine_setup/

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i keep getting scratches when engraving pictures on dog tags

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Using USB Controller Board with Planet-CNC software. The S/W recognizes limit switches but not soft limits. Help?
Using Mach3 and the USB Controller, In initializing the 'Ref All Home' the machine goes thru the procedure of zeroing out 'Z' than move to zero out 'y', but when it move to 'x' it just stops when it hits the switch instead of zeroing out?
If you select the Settings Page and select or tick Auto Limit Override - this will allow you to back off the switch.

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limit and home switch
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Using Mach3 and the USB Controller, In initializing the 'Ref All Home' the machine goes thru the procedure of zeroing out 'Z' than move to zero out 'y', but when it move to 'x' it just stops when it hits the switch instead of zeroing out?
Mach3 USB interface board initial setup. Following instructions in the video "Mach3 USB controller outputs". Arrow keys cause red LED to blink, but cannot duplicate 24V output with M3 (or M4) commands as shown in the video. Do I need to re-install Mach3?
If the outputs are not functioning as expected on the Mach3 USB controller, confirm that the port for the output is 3. This is a part of the configuration I did not show on the video I created on using the outputs for the RNRMotion controller.

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Thanks for your help. Under Ports & Pins>Output Signals I show Output#1 through Output#4 as Enabled. All have Port# set to 3. Pin Numbers for each Output# are same as Output# (Output#1 set to Pin Number 1, etc.).
Still no voltage showing on output 1 (of the board) when I input M3 in the Input section of the MDI tab. However if (in Spindle Setup tab) I set (in "Relay Control")M3 Output# to 3 and M4 Output# to 4 things work as expected. Is it possible to have the M3 signal show up on Output#1?
Thanks again.

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Mach3 USB interface board initial setup. Following instructions in the video "Mach3 USB controller outputs". Arrow keys cause red LED to blink, but cannot duplicate 24V output with M3 (or M4) commands as shown in the video. Do I need to re-install Mach3?
Great site. I saw your videos of wiring the Mach3 USB controller. You place the drivers next to the Steppers. This means that you have very long leads to the USB Board? What about the placement of the controlling PC? Is it a problem to have the USB board, PSUs and Drivers in a control box and long leads to the steppers? Thank you.
I also place the controller very close to the drivers (on the back of the gantry). All of the cables are shielded. The only long cables are the mains power cables and the USB cable. The USB cable is shielded and contains active repeaters.

There is no problem putting all of the electronics in a box and using long cables to the motors. This is the way I did it for a very long time.
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Great site. I saw your videos of wiring the Mach3 USB controller. You place the drivers next to the Steppers. This means that you have very long leads to the USB Board? What about the placement of the controlling PC? Is it a problem to have the USB board, PSUs and Drivers in a control box and long leads to the steppers? Thank you.
ABSOLUTELY NOTHING WORKS. I HAVE ALL STRUCTURE AND MECHICAL PARTS OF THE BLACKTOOTH CUTTER DONE. HOWEVER WHEN WIRE UP STEPPER MOTOR TO DRIVER. THAT MACH 3 USB CONTROLLER BOARD, TRY JOG MOTOR, WORKS! PREVIOSULY HAD PLANET CNC BREAKOUT HOWRVER, ONLY MOVED MOTORS IN ONE DIRECTION COULDNT CHANGE IT. ANY HELP WOULD BE APRECIATED
Did you install the Mach3 USB plug-in?

Make sure that you followed all of the steps and diagrams on the following page:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board
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ABSOLUTELY NOTHING WORKS. I HAVE ALL STRUCTURE AND MECHICAL PARTS OF THE BLACKTOOTH CUTTER DONE. HOWEVER WHEN WIRE UP STEPPER MOTOR TO DRIVER. THAT MACH 3 USB CONTROLLER BOARD, TRY JOG MOTOR, WORKS! PREVIOSULY HAD PLANET CNC BREAKOUT HOWRVER, ONLY MOVED MOTORS IN ONE DIRECTION COULDNT CHANGE IT. ANY HELP WOULD BE APRECIATED
In a Windows configuration, Using the USB breakout board, is the Planet-CNC software used in conjunction with Mach3 or in place of it?
Mach3 is not compatible with the USB breakout board, so you need Planet CNC in its place.

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I am confused by this same issue. I am using the Mach3 USB interface board with Mach3 and it works fine. In fact a video of it is on this very website. (link below)

Is the Mach3 USB interface board the same thing as Planet-CNC USB board?
It has been stated on this FAQ that it cannot be used with Mach3 and can only be used with Planet CNC USB software.

https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board
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In a Windows configuration, Using the USB breakout board, is the Planet-CNC software used in conjunction with Mach3 or in place of it?
I have registered version of planetcnc software that I purchased with a Chinese controller I want to use 3 better drivers with a separate USB controller can you recommend a controller and how to link my existing software. Regards Lloyd from Australia
You can only use the planet-cnc interfaces with the PlanetCNC software. If you like the software and want to remain with that software, the hardware interfaces will need to be purchased from the planet-cnc folks.

I would recommend using the Pokeys57CNC interface which is compatible with Mach3 and Mach4. You can also consider the Mach3 USB interface if the Pokeys57CNc interface is out of your price range.

Pokeys57CNC product page:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

Mach3 USB product page:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board
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I have registered version of planetcnc software that I purchased with a Chinese controller I want to use 3 better drivers with a separate USB controller can you recommend a controller and how to link my existing software. Regards Lloyd from Australia
Hi I have a Proxxon MF70, I want to add 3axis stepper with controller and software by USB. Can you suggest a kit for me? Thanks.
To implement a electronics combo to run you Proxxon MF70, you will need to find the correct drive components (ACME screw, linear rail, etc) and look into any specific modifications needed to your rig.
I would recommend the USB 3 Axis Large Motors Electronics w/ USB Interface Board.
Since the machine is metal, our larger motors would be highly recommended.

We have not done this conversion, through research is recommended.

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Hi I have a Proxxon MF70, I want to add 3axis stepper with controller and software by USB. Can you suggest a kit for me? Thanks.