The Mach3 USB interface board requires 24V relays externally. There are no relays on the mach3 usb board. If you use an external relay on the mach3 usb board, the relay connects to the V+ which is 24V and the output pin is the return.

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I understand what you are saying. Does your relay board work with the Mach3 USB board? If not, what relay board do you suggest to work with this usb controller?

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Our relay board works with our parallel breakout board. An off the shelf SSR (Solid State Relay) made for 24V should work fine.

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I bought a 'BuildyourCNC V1' relay board to go with my mach3 usb controller. I have been sent a 'Songle' relay. It's not the one in your picture and it's got different connections, for which there isn't a wiring diagram. The one I ordered says it is 5v, this one seems to be saying it's a 24v unit. Can you please explain what has happened? Thanks

The Mach3 USB interface board requires 24V relays externally. There are no relays on the mach3 usb board. If you use an external relay on the mach3 usb board, the relay connects to the V+ which is 24V and the output pin is the return.

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I understand what you are saying. Does your relay board work with the Mach3 USB board? If not, what relay board do you suggest to work with this usb controller?

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Our relay board works with our parallel breakout board. An off the shelf SSR (Solid State Relay) made for 24V should work fine.

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I bought a 'BuildyourCNC V1' relay board to go with my mach3 usb controller. I have been sent a 'Songle' relay. It's not the one in your picture and it's got different connections, for which there isn't a wiring diagram. The one I ordered says it is 5v, this one seems to be saying it's a 24v unit. Can you please explain what has happened? Thanks

The board layout is different and the terminals have slightly different names, but the two boards function the same. The wiring diagram is the same for both boards. The plug-in driver for Mach3 is also the same, so you should not have a problem. If you do run into an issue, please let me know here and I will help you determine the problem.

Thanks

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Thank you for the assurance that the boards will function the same. You did not answer the primary question of wiring. The diagram shows a board with a 5V for each axis, the new boards have only 1 5V point on the axis side. In retrospect since this controller receives information and most possibly the 5V signal directly from the computer leading to the drivers. I will wire the X, Y and Z axis to the single 5V point and see what happens.

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received my mach 3 USB breakout board today. The layout of the board is different from your diagram which shows a 5V power slot for each axis. Do I wire the 5V slot with only one 5V wire from one of the drivers or perhaps wire all three 5V wires into the one 5 V slot. Please advise.

By USB power do you mean the USB board? or do you mean that it is powered through USB but you have the parallel breakout board?


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I was referring to USB Board. Thanks for responding but that issue was resolve. I noticed that Mach 3 was downloaded twice. I copied and pasted RNR file to second copy of Mach 3 and motor runs properly. Should I remove one copy of Mach3 so there is only one? Seems like that could cause confusion. Thanks

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I was referring to USB Board. Thanks for responding but that issue was resolve. I noticed that Mach 3 was downloaded twice. I copied and pasted RNR file to second copy of Mach 3 and motor runs properly. Should I remove one copy of Mach3 so there is only one? Seems like that could cause confusion. Thanks

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I was referring to USB Board. Thanks for responding but that issue was resolve. I noticed that Mach 3 was downloaded twice. I copied and pasted RNR file to second copy of Mach 3 and motor runs properly. Should I remove one copy of Mach3 so there is only one? Seems like that could cause confusion. Thanks

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I'm new to this and was wondering if I connected something incorrectly... I followed the schematics found on this site for wiring. I purchased the heavy gantry kit with the USB power option. All my lights come on and motor shafts resist turning but, I cannot get movement from Mach3. How do I test my equipment to see if I've damaged anything?

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?

There is some variation in the outward appearance of laser power supplies due to sourcing through different vendors. However, the basic wiring requirements are the same in each case. For the unit with integrated laser controller, follow the diagram found here: https://buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx#prettyPhoto/0/. The terminals on the signal side will have a 6 connection terminal block -- these are the ones labeled 5V, IN, G, P (or WP), L (or TTL-L), and H (or TTL-H). The High Power side will have 3 inputs for AC power, one high voltage lead, and one return line. Connect these as shown in the diagram as well: the return line goes on the "front" (beam exit end) terminal of the laser tube, the high voltage lead goes to the "back" terminal of the tube, the FG terminal (or G) receives the earth ground wire of the AC power cable, and the two AC terminals receive the line and neutral wires of the AC power cable (it doesn't matter in this case which wire goes to which terminal).

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I purchased the blackTooth Laser Engraver with integrated Laser Control Unit and have been following your instructions. I noticed that the laser tube power supply is different that what is shown in your instructions. Do you have any better wiring guides that I can follow for the version that I received?

Red is A+
Blue is A-
Black is B+
and Green is B-

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I purchased the 3 Axis Heavy Gantry Electronics /w Pokeys57CNC controller and the motors supplied only have 4 wires coming out of them (R,G,B,Blk). Your wiring video shows wiring 8 cables. do you have a video showing how to wire the 4 wire version?

Recommend first test to check a non-working axis, is to connect the current working axis(ex X-axis) to either the y/z axis to test the actual board and wiring in other axis setup. If tests failed and working (x-axis setup) does not working in the new axis location, go the Planet-CNC/File/Settings/Axes and check if your current non-working axis setup requires a inverted pulse. Check box and test again.
Next test if first fails, is to check continuity in your wires. A simple multimeter(ohm's) will work, just connect the positive and negative ends to one side of the same wire and if reading comes to 0.000, wire has continuity and if reads 0.L then there is a break in the wire and should be replaced.

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I installed the USB CNC Planet software- 2.10.1406.1201., and got out of your USB controller $ 75. 00.All have linked like a video USB CNC Controller/Interface Wiring Instructions Part 2, X - running . Y, and Z-axis does not work, it moves step motors and controller positions X -axis works, and Y and Z does not work.I used 425 oz-in motors

The fact that you cannot move the motors with the keyboard serves as a clue to a couple possibilities.

- The software may not be communicating with parallel port. (One possibility may be that your step pins are not low active, or vice versa depending on your drivers).
- You may not be in the correct tab of Mach3. Make sure you are in the Program Run tab.
- The jog on/off button on the program run screen may not be lit (invoked).

This address below shows the complete troubleshooting for this type of situation. It will show how to test each pin at the parallel port at the back of the computer and everything else associated with correctly wiring the electronics.

https://buildyourcnc.com/CNCElectronicsandWiring.aspx




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6 axis robot with Mach3 Card 6 Axis Motion Controller

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I bought Mach 4 and Mach 3 USB Motion card STB4100. The installation Manual you direct me to is for installing board with Mach3. Where can I find directions for the combination of products I bought? The axis motors are held stationary by the magnets but when I try to jog an axis from mach 4 program, no movement.

I am not using a parallell port. I am using a USB.

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I bought Mach 4 and Mach 3 USB Motion card STB4100. The installation Manual you direct me to is for installing board with Mach3. Where can I find directions for the combination of products I bought? The axis motors are held stationary by the magnets but when I try to jog an axis from mach 4 program, no movement.

You will need a 24v power supply if you wish to use the inputs or output on that side of the board. A 12V power supply will work if you only need to use the inputs.

The inputs on that side of the board are typically used for limit switches, emergency stop, or homing switches. The outputs on that side of the controller are typically used to turn on and off machine devices such as spindle, coolant valve, etc. There is also a 0-10V PWM output on that side of the board.

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Another solution would be to purchase an expensive 36VDC-->24VDC convert..just connected to one of the DC outputs on your 36VDC PS and you don't have to purchase another large 24DC PS.. The power requirement is pretty low so it won't/shouldn't affect the 36VDC used to drive motors/etc.

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Hello purchased a 3 axis elect. combo (heavy gantry). Printed a wiring dia. for the mach3 USB board from the page with the picture of the Mach3 USB board. Question; wiring schm. showes USB board wierd to a 24v/12v power supply. Power that came with combo kit is 36v. This work ok? Thanks for info

The Mach3 USB interface board requires 24V relays externally. There are no relays on the mach3 usb board. If you use an external relay on the mach3 usb board, the relay connects to the V+ which is 24V and the output pin is the return.

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I understand what you are saying. Does your relay board work with the Mach3 USB board? If not, what relay board do you suggest to work with this usb controller?

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Our relay board works with our parallel breakout board. An off the shelf SSR (Solid State Relay) made for 24V should work fine.

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I have your Mach3 usb interface board and am interested in the relay board to turn plasma torch on/off. I have a different relay board that doesn't work, it needs 0/5v from output pin to trigger and the usb board doesn't put out 5 volts. Does this relay board need 5v on output or will work fine with this usb controller?

The Mach3 USB will not work with Linux CNC. You can use our parallel breakout baord instead (if you have a computer that has a parallel port available).

Here is the link to that interface:
https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay

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Hello. I'm currently building my first CNC router, and I'm powering it with a 3 axis electronics kit that was purchased through your site. I chose to get the Mach 3 USB Breakout board, but now I'm wanting to try to use Linux CNC to work with the computer I have available. Will that work with this board?

Depending on the type of motors and connection type, you could adapt your motors to work with our electronic packages, but you will receive additional motors since our kit is complete.

Now you will have to take into affect the actual motors you have and compare or get accurate replacements(Ex. our 425 oz motor(1/4" input shaft) will have to be same size or similar entry holes)

Your Controller board will be the major issue, due to its wiring and processing manner, you can view the connections for our breakout boards to compare with yours! (parallel: https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay#prettyPhoto/2/)(USB: https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/)
Email(customerservice@buildyourcnc.com for further help)

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I purchased the original instructions about 3 years ago and successfully built that device. Now I am looking at the 13X36 Bluechick base kit. Will all my original electronics work with the new kit? Is there a parts list that you could send me for the 13x36 Kit?

Yes, the Mach3 USB board has two terminals that require 24V connection. Most VFDs have a 24V output that can be used to power this part of the Mach3 USB board.

The V+ and V- on the Mach3 USB is not absolutely necessary to operate the CNC machine/router. The V+ and V- of the Mach3 USB board powers the outputs, inputs, and spindle's speed and control.

Here is the Mach3 USB link for more information:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

The new YL600 VFD we have in stock may not have this 24V output. There is a 12V terminal, but I have not tested that terminal if it outputs 12V, or if it is a 12V input. If you are only conecting limit switches to the Mach3 USB and need to power that portion, 12V will be sufficient.

I will delve into these aspects in far more detail on video.

Thanks and Merry Christmas to you as well!

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Hey Guys, I have a brand new redleaf and 5x. In the final stages of wiring and wondering a few things. Can I connect the Mach3 USB board V+ V- to my frequency inverter (type YL600-2s-2k20)? If so where? Will your upcoming (part 2)video deal with this as well as final connections for limit switches and stop button? Merry Christmas!

You can find the wiring diagrams for the blackTooth on step 105 and 106 on the list of instructions on the blackTooth page. Step 105 pertains to the parallel breakout board and step 106 pertains to the USB interface board.

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wire size

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Hello - I am having trouble understanding the instructions for the wiring of the Blacktooth CNC machine, especially the last sentence in instruction 2. Is there a circuit diagram somewhere? Another part of the instructions refers to a wiring diagram at the "end of the instructions". I can't seem to find this. Hope you can help...cheers

The diagram for wiring the USB interface board is located here: https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/

Under the board illustration, there are three smaller diagrams of limit switch wiring. On each, there are two connections, the GND and the pin which are labeled at the ends of the circuit on the diagrams. The pin side would go to the axis label ++ or -- terminal (i.e. X++, or X--). The other end, labeled GND would connect to any ground terminal on the board.

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I am using 5 limit switches on my 3 axis machine. I am using the usb controller for planet cnc. I would like to know where all the wires related to the limit switches get connected? A diagram would be helpful.

The e-stop should be wired like a limit switch and can also be within the same limit switch circuit. Use one of the input pins to create the e-stop circuit.

1. Run a wire from the input pin terminal to the e-stop switch red side (one of the two terminals on the red side). The red side is NC (Normally Closed).

2. Run a wire from the other side of the red side of the e-stop switch back to the gnd terminal (or to the next switch - limit switch, NC terminal, then back to gnd, or to the next NC terminal of the next switch, do you see a recursive pattern here?).

The wire that you use for the connections should be shielded and the shielding and any other loose wire within the cable should be tied to gnd.

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Hi - I have wired in a breakout board (with relay) as per suggested wiring instructions (black toe 2X4). I want to wire in an estop but need some guidance on wiring. Also Mach3 is requesting I reset the estop, which suggests its expecting one? Can anyone help? Thanks. Miles

You can do raster and vector engraving on the greenBull laser/spindle combination. The methods of this process is not accomplished in the same way as the typical laser machines where CorelDRAW is used. The Mach3 laser plug-in can be used for the raster engraving and standard CNC g-code can be used for vector cutting and engraving.

The raster method will not be fast on the greenBull since the z-axis is heavy and there are inertial limitation on doing fast raster back and forth movement. Vector is the best use of this machine.

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I am looking at purchasing the greenbull 5X system with the laser/spindle combination. Can the laser do both rastered engraving as well as vectored cutting with the same breakout board and software? If I have this wrong please let me know what would be needed to accompish this.