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  1. #1
    This may sound a stupid question but I am new to playing with stepper motors and drivers. I am hoping someone can help with my query. Basically I bought some stepper driver boards off Fleebay. The drivers have 6 connectors for the outputs. These are:-

    - Enable +
    - Enable -
    - Direction +
    - Direction -
    - Pulse +
    - Pulse -

    I only have 4 connectors on my breakout board, these are

    XE - enable?
    XD - direction
    XS - Pulse/step
    XN - Ground

    Would I be right to assume the three negatives are linked together and then back to XN?

    Steve

  2. #2
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom. Last Activity: 17 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,333. Received thanks 618 times, giving thanks to others 78 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Quote Originally Posted by swood1 View Post
    This may sound a stupid question but I am new to playing with stepper motors and drivers. I am hoping someone can help with my query. Basically I bought some stepper driver boards off Fleebay. The drivers have 6 connectors for the outputs. These are:-

    - Enable +
    - Enable -
    - Direction +
    - Direction -
    - Pulse +
    - Pulse -

    I only have 4 connectors on my breakout board, these are

    XE - enable?
    XD - direction
    XS - Pulse/step
    XN - Ground

    Would I be right to assume the three negatives are linked together and then back to XN?

    Steve
    Generally enable does not need to be used so just ling the -ve on the others. ..Clive

  3. #3
    Quote Originally Posted by Clive S View Post
    Generally enable does not need to be used so just ling the -ve on the others. ..Clive
    I learnt my lesson with floating inputs 30 years ago, so my question is - is there usually built in bias towards the enabled state in stepper drivers ?

  4. #4
    Hi Clive,

    Thanks I shall give it a go, see what happens.

  5. #5
    Quote Originally Posted by cropwell View Post
    I learnt my lesson with floating inputs 30 years ago, so my question is - is there usually built in bias towards the enabled state in stepper drivers ?
    In my Leadshine manual it says, High level for enabling, low level for disabling. Usually left unconnected (enabled)

    So the default state you might say is 'enabled', I expect that rather than floating, the input has a pull-up resistor to keep it 'high'
    Last edited by EddyCurrent; 21-09-2014 at 12:42 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

  6. #6
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom. Last Activity: 17 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,333. Received thanks 618 times, giving thanks to others 78 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Quote Originally Posted by EddyCurrent View Post
    In my Leadshine manual it says, High level for enabling, low level for disabling. Usually left unconnected (enabled)

    So the default state you might say is 'enabled', I expect that rather than floating, the input has a pull-up resistor to keep it 'high'
    Thanks' for that it saved me replying I do use my enables but as you say it is not necessary. ..Clive

  7. #7
    So let me get this correct. Do I only connect the following:-

    Direction - to XD
    Pulse - to XS

    All other connections are left disconnected.

  8. There are a couple of options but the common one is:

    Pulse+ to XS, Pulse- to XN
    Direction+ to XD, Direction- to XN
    Last edited by irving2008; 21-09-2014 at 05:40 PM.

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