problem motors not moving


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    Member rick027's Avatar
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    Cool problem motors not moving

    hi, cnc brothers

    I'm have a problem with my new build . i can't get my motors to turn , i do hear a high pitch sound coming from them but no movement, the DRO's in mach 3 does move. i'm pretty sure i hooked everything up right.i don't know what else to do. hoping you guys can help me out. i attach a pdf document with my settings ,maybe you guys can see something i'm missing ..thanks

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    Default Re: problem motors not moving

    Any help..



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    Default Re: problem motors not moving

    Have you wired up the 'enbl +/-' on the drivers (enable) to the bob or left them disconnected?
    If you do have it connected you need to set up an enable pin.

    I'm guessing you have no physical estop connected correct?

    My problem when this happened was with my enable set wrongly to active high.



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    Default Re: problem motors not moving

    If you have the 'step/dir' signal from bob going to the negative- connection side on drivers you need set active low.
    If connected to positive+ then set active high.

    If/when they eventually move but in wrong direction then check 'reversed' in the 'soft limits' page.

    Ideally need your wiring diagram that you followed.



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    Default Re: problem motors not moving

    Thanks dazp for replying, the enbl +/- are not connected and no I don't have a physical e-stop yet



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    Default Re: problem motors not moving

    The wiring I followed is for the c10 board with the kl-4030 here's the wiring, it's in PDF format

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    Default Re: problem motors not moving

    It's hard to help with so little info. That's why you get little response. There are way to many things that can be wrong. Does your board need a plugin? Everyone thinks they wired it correct, but if it doesn't work, start second guessing your wiring. One missed step or wire changes everything. If you post clear pics of your wiring, we migtht be able to help. The C10 is just a breakout board. How are you driving it? It is not a motion controller by itself.



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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    Thanks dazp for replying, the enbl +/- are not connected and no I don't have a physical e-stop yet
    Do you have the Estop connected with a Jumper it won't do anything without it connected

    Mactec54


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    Default Re: problem motors not moving

    When I started this post I added the info in PDF my whole setup from connectings to leadscrew , motors ect.



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    Default Re: problem motors not moving

    No e-stop just have it on pin 10 and set to active low



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    Default Re: problem motors not moving

    Kenrbass I'm using kl4030 drivers to run it



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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    No e-stop just have it on pin 10 and set to active low
    It has to be connected at the Breakout Board with a Jumper or a E-Stop switch

    Mactec54


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    Default Re: problem motors not moving

    Mactec54, wouldn't the reset button on the screen be flashing



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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    Mactec54, wouldn't the reset button on the screen be flashing
    No it would not, you are only fooling it in software, you can't fool the hardware

    Mactec54


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    Default Re: problem motors not moving

    Ok mactec54, what do you mean by jumping it



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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    Ok mactec54, what do you mean by jumping it
    You add a jumper wire where you would connect the E-Stop switch, for testing only it will work but is not safe to do when you have motors that could run wild

    Mactec54


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    Default Re: problem motors not moving

    Another thing I forgot to mention mactec54. If the e-stop is the issue, the dro's wouldn't move correct?

    - - - Updated - - -

    Ok I'll give that a shot..



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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    The wiring I followed is for the c10 board with the kl-4030 here's the wiring, it's in PDF format
    Edit: Maybe ignore me. Just read about the jumper (X7) swapping the 5v common around to pos. D'uh. (I assume you did that one)
    Manual. https://www.cnc4pc.com/productattach...wnload?id=1214

    Something has confused me a little here. Bear with.
    The board diagram says 5vg next to the driver outputs. This tells me that it is 5v neg out not pos and the driver outputs are pos not neg (common cathode or anode whichever way round.

    I have 2 diagrams here and BOTH are showing me that in fact the driver pins ie 1 & 2 go to pul/dir + (not neg) and the 5vg goes to pul/dir - (not pos). This will be active high (I think)

    https://www.cnc4pc.com/productattach...wnload?id=1120
    https://www.cnc4pc.com/productattach...wnload?id=1121

    Regards to the e-stop. You might need to just stick a bridging wire in there as it tells me it is nc connection.


    Edit: still looking around and again this shows pins 2 & 3 going to pos +

    https://www.cnc4pc.com/productattach...wnload?id=1215

    Last edited by dazp1976; 10-01-2019 at 11:23 AM.


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    Default Re: problem motors not moving

    Quote Originally Posted by rick027 View Post
    Another thing I forgot to mention mactec54. If the e-stop is the issue, the dro's wouldn't move correct?

    - - - Updated - - -

    Ok I'll give that a shot..
    The software will do what ever you tell it to you will have to reset the E-Stop in in your software once you have connected the E-Stop output

    Mactec54


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    Default Re: problem motors not moving



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