You should have no problem connecting the Pokeys57CNC controller to the drivers of your machine as long as the drivers have step (Pulse or PUL) and direction (DIR) terminals. You will need the cable pack that is sold separately so you can connect the headers/connectors of the pokeys57cnc controller to the drivers using ribbon cables.

I show this process in great detail on this page:
https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

Is you scroll down on the page, you will see a set of videos that show the process step-by-step.

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I have a ShopBot CNC that was converted to Mach 3. The controller has gone out. I pourchased your Pokeys57 board, but I'm not sure I have everything I need. I think my motor drivers are OK, but am not sure how to wire them to what I purchased from you. Need Help. How can we make this work, or do I need a different board to distribute the movement signals to my drivers?

If the z-axis motor changes directions when jogging, and continues even when replacing the motor! It seems as it is either a wiring problem or the driver? I would recommend changing the z-axis driver and check the wiring going form the driver to the breakout board.
If problem continues please contact us at customerservice@buildyourcnc.com


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z axis soft limit at 7line

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z axis soft limit at 7line

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z axis soft limit at 7 line

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z axis soft limit at 7 line

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I have a Nema 34 motor (Z axis) it was working perfect but suddenly changes direction when jogging, I already try changing another motor to Z axis but problem persist in spite of following all suggestions, what can I do?

The formula for finding the steps per mm is found in the units itself. First, you mentioned that the motor is a servo. This needs to be clarified as a servo is different than a stepper motor. Some servos behave similar to a stepper motor, so I will continue with this in mind.

The formula is (steps/mm):

You need to find the steps. The stepper motor has a natural number of steps per a full revolution. This is typically 200 steps per revolution.

The driver for the stepper motor allows you to increase the number of steps per revolution by adding a specified number of steps between each step. For instance, if you set the driver to 1/4 microstepping, then instead of having 200 steps per revolution, you would have 200 x 4 = 800 steps per revolution.

So now we have the first part of the formula:

Steps / mm = (200 x 4) / mm

Lets determine the mm side of the formula:

You mention that the pitch is 0.5 mm. Check to insure that the lead is also 0.5 mm. This could be a multiple start lead screw where the pitch is different than the turns per mm. If in this case, that the 0.5 mm is the travel for one full revolution, then you can simply plug this into the formula as:

mm = .5 mm

Otherwise, determine how fat the travel is for one complete revolution.

Therefor, with what we know and the driver is set at 1/4 microstepping and the stepper motor has a natural step count per revolution at 200:

steps / mm = (200 steps x 4) / 0.5 mm = 800 steps / 0.5 mm = 1600 steps / mm

If your travel for one revolution is not 0.5 mm, then plug in your travel distance instead.



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i know about steps/mm calculation for stepper motor, because i am using servo motor that why i asked about that. please tell for servo motor.

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because its my first time with servo motor i have no idea about calculation of parameter with servo.

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Have you attempted to contact the manufacturer or seller of the servo? We typically respond to customers of our products on this customer service area, unless we have extensive knowledge of the subject and can answer the question efficiently.

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hello there, i am using servo motor for my X and Y Axis but i dont know how to calculate steps/mm for that, the lead screw i am using is have pitch of .5 mm. please helpme on this i have done everything only this point is pending.

Did you connect the USB connector to the breakout board?

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YES I CONNECTED THE USB TO THE BREAKOUT BOARD

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I connected the electronics (for 2 x 4 feet) that I ordered from you. But how do I check if I connected all the wiring properly. There is neither any light on motor drivers nor on breakout board. And the motor shaft also does not move before and after the power supply is given.

Are you trying to use the MPG (tab), or the keyboard for jogging the motors? You mention 0,0,0, are you trying to home the machine with the "ref all home"?

If you cannot move the motors with the keyboard, check if the jog is enabled.

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[596] I have my motors and limit switches working correctly but I am unable to get any movement from the 'jog step' so that I can set 0,0,0. What should I check

Since you mentioned there is a nasty smell, I'm wondering if there might have been a issue with the power supply. Can you email us your name for the order and specific voltage you are using for the redFly? at techsupport@buildyourcnc.com. Also I want to mention if you have the USB cord plugged in to the redFly if it has the parallel interface board?

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When I first hooked up my redFly and was manually testing all the axes, everything was going well, then my Y axis stopped working all together, and now my X and Z have stopped also and my redFly has a nasty smell coming from it and none of the stepper motors seem to be getting power.

with parallel port controllers, you have the ability to jog using two axes at the same time, but with USB controllers, this is not possible.

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[575] Hi, I recently purchased this board and everything seems to be fine! But I am not being able to jog two axis at same time as I used to do on my older board. Did I do something wrong?

The KL-4030 is a Keling 3.0 amp stepper motor driver. These are generally pretty robust drivers. You mentioned in the question that it worked for one hour. This sounds like it could be a contact issue with the wiring in the terminals. I would recommend that you check all of the connections. The terminals that are used in these drivers have terminals that are easily used incorrectly.

Make sure to open the terminal all the way using a small screw driver. Then insert the exposed wire into the opening and re-tighten the terminal. Make sure of a good connection by tugging on the wires.

Also, check kthe digital wires that connect from the driver to the control board.

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I have a KL-4030 stepper motor driver that I only have about an hour use on it but seems to be bad already. Has anyone out there had the same problem?

This sounds like a problem with the step (pulse) signal. The driver motors receive two signals from the computer via the board -- one is high or low and tells the motors which direction to turn, one is a square wave pulsed signal(quick that tells the motor to turn or a constant high signal that tells the motor to maintain its position. With an oscilliscope you can check for proper signal at the board. If you bought the board from us, please contact us to arrange a return authorization.

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Y axis on usb controller not working. The motor gets power and holds but will not turn. I tried switching the same wires, driver, and motor over to the A axis on the controller and it works fine like that. I have double, and triple checked the wiring

All you need is a CNC controller like the following options:

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

This controller is easy to connect using standard wire screw terminals and works with the mach3 control software.

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

This controller is a little bit more difficult to connect, but is a more feature-rich controller and will work with both mach3 and mach4 CNC control software titles.

Specifically, a CNC controller connects to the computer via a USB cable and connects to the motor drivers. These controllers also connect to the limit switches, spindle/router control, air/fluid/mist control, etc.

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Hello there, I am a beginner in trying to control a stepper with a pc, you can sell me a kit to control my motor from the pc. I already have a motor, driver, and power supply

To replace all of the electronics for a 4 axis system with all NEMA 34 motors, you will need the following components:

4 NEMA 34 stepper motors:
https://buildyourcnc.com/item/electronicsAndMotors-nema34-651ozin

4 drivers (one driver for each motor):
https://buildyourcnc.com/item/electronicsAndMotors-stepper-driver-6!0a

One controller:
https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

24v Powers supply for the controller:
https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

2 48V power supplies for the motors and drivers:
https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-36v-48v

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i have a 4 axis cnc need to replace everything electronics and motor nema 34 what do i need to buy

In regards to getting a complete plug and go system, there are a lot of items to consider.
Electronics, DYI or one of our electronics kits that come assembled and tested?
Cable for the motors is a additional purchase, spindle? = silicone tubing/water pump, etc.
Cable carrier (wire management), software (also additional purchase).

We can view your cart, but please send us your email and username to customerservice@buildyourcnc.com so it will remain secure!

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I want to by a 5 by 10 foot kit, sorry, I don't have the time to read everything here. what should I be thinking about, Can you veiw my cart and tell me what else I need to get?

The EN terminal on the QJ8060 driver and all of our other stepping motor drivers is the enable terminal. We don't use this terminal and the driver will function properly if left unconnected.

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What are the EN connections used for on the QJ8060 motor driver? I notice that your video seems to leave them unconnected.

All you need is a CNC controller like the following options:

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

This controller is easy to connect using standard wire screw terminals and works with the mach3 control software.

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

This controller is a little bit more difficult to connect, but is a more feature-rich controller and will work with both mach3 and mach4 CNC control software titles.

Specifically, a CNC controller connects to the computer via a USB cable and connects to the motor drivers. These controllers also connect to the limit switches, spindle/router control, air/fluid/mist control, etc.

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Can you sell me a kit to control my motor from the pc? I already have a motor, driver and power supply.

If there is play within the motor itself, then that motor may be defective. Call us to provide us more detail on this issue.

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I have NEMA 34 motors for a GreenBull 6x12. After 2 weeks of use, my Y axis motor has developed play in the front but not rear of the motor. Is this a motor defect or has something come loose somewhere? Thanks,

Consider the loads on each axis when choosing appropriate stepper motors. If your holding torque is maxed out at roughly 16oz/in (1lb/in), then you could use the NEMA 11 or 14. Also consider the shaft sizes and current ratings when choosing drivers that pair with the motors.

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I am planning to build a scratch CNC machine to do rotary engraving on writing pens. Can you recommend the parts I would need? I'm thinking NEMA 14 (11?) and 3/8" acme rod. Not sure which linear motion to use. I have an old lathe to use for the 4th axis.

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

Attaching two motors in parallel is possible, but you will need another motor and driver for the opposite side. Each motor must have its own driver to work accordingly and fluently. The two can be wired together, to the same pins on your breakout board and set the dip switches on the driver to match the ones on your x-axis(ex). But remember to view the orientation of the motor and which way it spins, since it is on the opposite side it will have to be orientated correctly to move in sync with the other motor.

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I just finished building my first CNC with the electronics I purchased from you and I am already thinking about improving it. I would like to build a 2 motor X axis solution. Is it possible to attach 2 parallel motors and drivers to the BlueBrew Breakout Board? If so, how?

Modifying the Z-axis to accommodate a larger motor will be a worth while task and is possible, however we have not calibrated the z-axis therefore using the 1600 Steps-per inch in the motor tuning on our machine in our shop. We have not noticed any significant depth increments from not calibrating the z-axis but only from zeroing the z axis too close to the material. Also in your design did you specify the actual depth and the length of tool (end mill/ bit) that you are using?

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I bought a Blacktoe 2 x 8 three years ago and have always had a problem with the Zid axis. No matter how tightly I've calibrated the axis it always cuts to deep. Can I put a larger Stepper motor on Z-axis using the same motion electronics that came with the original machine.