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Thread: Motor control?

  1. #1
    thebeginner888
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    Default Motor control?

    Hi, I know that this motor isn`t quite cnc related, but also, you here are the experts for servo motors and this is a servo motor. :-)
    If it`s a very wrong place for my question please remove this somewhere else, and excuse me in advance.
    So...my question is:
    Is this motor,
    http://www.cnczone.com/forums/attach...d=361538&stc=1http://www.cnczone.com/forums/attach...d=361540&stc=1http://www.cnczone.com/forums/attach...d=361542&stc=1
    can be controlled with this servo tester?
    http://www.cnczone.com/forums/attach...d=361544&stc=1http://www.cnczone.com/forums/attach...d=361546&stc=1
    Specs are here Professional TECH Electronic Speed Controller ESC EK2-0907 Upgraded Servo Tester | eBay

    Do i need some ESC in between or i can connect this tester directly?
    If it`s possible, please edit with connect lines this picture
    http://www.cnczone.com/forums/attach...d=361548&stc=1
    , because i`m noob at electronics and it might be helpful for me and others, for reusing free old scrap motors from copier and suchlike electronic waste.
    Thanks!

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    Attached Thumbnails Attached Thumbnails Motor control?-image-jpg   Motor control?-image-jpg   Motor control?-image-jpg   Motor control?-001-jpg  

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  2. #2
    Community Moderator Al_The_Man's Avatar
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    Default Re: Motor control?

    Not enough information, looking at some of the numbers, it appears more of a stepper or at least synchronous motor.
    Not a Servo.
    A.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  3. #3
    thebeginner888
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    Default Re: Motor control?

    I think it is not a stepper motor. It came from a very big old copier and was a main motor there.It is brushless dc motor outrunner afaik.
    Similar motor here ShinanoKenshi DR-8738 DC Brushless Motor+Driver board BLDC 24V 5.8A 1800rpm | eBay
    and here SHINANO KENSHI DR-8738-019 BRUSHLESS DC MOTOR 24 VDC 45 WATT 1192 RPM | eBay
    It is outer rotor one, so it reminds me of an rc outrunner( my noob perspective).
    No matter what is... can it be controlled with this tester? Or with something else?



  4. #4
    Community Moderator Al_The_Man's Avatar
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    Default Re: Motor control?

    If BLDC I assume the controller is on the board, if so it should just need a command signal but whether that should be analogue or PWM has to be known.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  5. #5
    thebeginner888
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    Default Re: Motor control?

    Does some pins on that zoomed pic ring a bell?
    Motor control?-image-jpg
    Please someone ...connect the dots.



  6. #6
    Member mike_Kilroy's Avatar
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    Default Re: Motor control?

    Quote Originally Posted by thebeginner888 View Post
    Does some pins on that zoomed pic ring a bell?
    Motor control?-image-jpg
    Please someone ...connect the dots.
    Dots connected : NOT COMPATIBLE.

    Sent from my SM-G900V using Tapatalk

    Mike@@@KilroyWasHere.com


  7. #7
    thebeginner888
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    Default Re: Motor control?

    Thank you mike_Kilroy. Now it is clear to me.
    Other control? Which one? Some pwm?
    Please, edit my pic and add that pwm.



  8. #8
    Member mike_Kilroy's Avatar
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    Default Re: Motor control?

    the begginner, YOUR next step is to figure out what YOU need. No one can tell you that from the miniscule data you have given. If it was me, I would make a wiring diagram of that pcb to see what it does. From that, and hints on the words by the connector, you should be able to get an idea what you need.

    You keep asking for pwm stuff; from the words I can see in your pix, the connector seems to have a simple on/off input and cw/ccw input. the pix hides the clue words on the top of the connector P? but it seems to me with a crystal on the pcb too that you need nothing but power and switches to turn it on. Ball is in YOUR court, nothing I see we can help you with.



  9. #9
    Community Moderator Al_The_Man's Avatar
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    Default Re: Motor control?

    Are you sure that is not a RC servo tester?
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  10. #10
    thebeginner888
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    Default Re: Motor control?

    @Al
    But yes it is , and not working with this motor as mike_Kilroy suggested .
    @mike_Kilroy
    If i know diagram and such stuff i would not asked here about... i even can`t figure how to disassemble it without broke something, and don`s see a point of doing this.
    I provided info of what i was able to manage. As for what I need it is irrelevant. I just need to switch it on and change the rpm with something.
    P.S. Sorry for delay.



  11. #11
    Community Moderator Al_The_Man's Avatar
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    Default Re: Motor control?

    The RC controller is PWM, I suspect you need step/dir, the servo unit requires 5v, 24v an enable and a direction pulse, the step input is ??
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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