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IndustryArena Forum > CNC Electronics > Servo Motors / Drives > Suggestions for low-voltage high-resolution servo
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  1. #1
    Join Date
    Nov 2015
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    371

    Suggestions for low-voltage high-resolution servo

    I am working on a prototype that requires a single-axis servo system with very high accuracy. I don't need a lot of power or torque, the servo will turn a relatively light object just several degrees. I looked online but I couldn't find many options. Maybe I am not searching correctly. The application is very sensitive to vibrations so I cannot use a stepper.

    Could someone suggest a brand/model or simply point me in the right direction?

    These are the requirements:
    - Brushless
    - Low voltage
    - The drive should be able to work with Pulse(Step)/Direction signals
    - Very high PPR

    In previous discussions in this forum, I've read about motors (encoders) with 40000PPR or even more, however, I couldn't find even one.
    The closest thing I found so far are these:

    - ACM601V36-T
    - ACS806

    Could you recommend a better alternative?

  2. #2
    Join Date
    Mar 2003
    Posts
    35538

    Re: Suggestions for low-voltage high-resolution servo

    How about a DMM with DYN2 drive.
    Gerry

    UCCNC 2017 Screenset
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    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Nov 2015
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    371

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by ger21 View Post
    How about a DMM with DYN2 drive.
    Thank you very much Gerry!
    I'll contact them for details.

  4. #4
    Join Date
    Sep 2010
    Posts
    1765

    Re: Suggestions for low-voltage high-resolution servo

    Kollmorgen.... over 3,000,000 counts per rev. Any lo voltage you want. Kollmorgen.com. akm motors with akd drive. Fastest update time digital drive on the market. Pm me if u want help deciding what u need.

    Sent from my SM-G900V using Tapatalk

  5. #5
    Join Date
    Nov 2015
    Posts
    371

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mike_Kilroy View Post
    Kollmorgen.... over 3,000,000 counts per rev. Any lo voltage you want. Kollmorgen.com. akm motors with akd drive. Fastest update time digital drive on the market. Pm me if u want help deciding what u need.
    Thank you Mike! I sent you a message.

  6. #6
    Join Date
    Jan 2005
    Posts
    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by Storen View Post
    I am working on a prototype that requires a single-axis servo system with very high accuracy. I don't need a lot of power or torque, the servo will turn a relatively light object just several degrees. I looked online but I couldn't find many options. Maybe I am not searching correctly. The application is very sensitive to vibrations so I cannot use a stepper.

    Could someone suggest a brand/model or simply point me in the right direction?

    These are the requirements:
    - Brushless
    - Low voltage
    - The drive should be able to work with Pulse(Step)/Direction signals
    - Very high PPR

    In previous discussions in this forum, I've read about motors (encoders) with 40000PPR or even more, however, I couldn't find even one.
    The closest thing I found so far are these:

    - ACM601V36-T
    - ACS806

    Could you recommend a better alternative?
    DMM is your best choice for price on servo and drives with a high resolution Encoder there standard 16 Bit or you might be just in time for there new 32 Bit encoder soon to be released, most likely at IMTS show this month
    Mactec54

  7. #7
    Join Date
    Jan 2005
    Posts
    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mike_Kilroy View Post
    Kollmorgen.... over 3,000,000 counts per rev. Any lo voltage you want. Kollmorgen.com. akm motors with akd drive. Fastest update time digital drive on the market. Pm me if u want help deciding what u need.

    Sent from my SM-G900V using Tapatalk
    What they have does not come close to standard Yaskawa Fanuc or DMM
    Mactec54

  8. #8
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    Nov 2015
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    371

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mactec54 View Post
    What they have does not come close to standard Yaskawa Fanuc or DMM
    Do you know if Yaskawa and Fanuc offer servo drives that work with Pul/Dir signals?

  9. #9
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    Jan 2005
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    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by Storen View Post
    Do you know if Yaskawa and Fanuc offer servo drives that work with Pul/Dir signals?
    Yaskawa and Dmm does for sure, Fanuc no
    Mactec54

  10. #10
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    Nov 2015
    Posts
    371

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mactec54 View Post
    Yaskawa and Dmm does for sure, Fanuc no
    Which Yaskawa drive accepts Pul/Dir input?

  11. #11
    Join Date
    Sep 2010
    Posts
    1765

    Re: Suggestions for low-voltage high-resolution servo

    Haha. You're still up to making false and dumb comments I see.
    Quote Originally Posted by mactec54 View Post
    What they have does not come close to standard Yaskawa Fanuc or DMM
    Sent from my SM-G900V using Tapatalk

  12. #12
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    Jan 2005
    Posts
    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by Storen View Post
    Which Yaskawa drive accepts Pul/Dir input?
    Sigma II and up to the latest would be the only Drives Motors to look at starting at SGDH series they use all methods for control so you have a choice and the Sigma II are standard with 17Bit encoder, and adjustable to what ever resolution you want to use, they are also very easy to get up and running, with this plug from CNC4PC you then only need a Ethernet cable to a Breakout Board for Step / Dir Control, I do have some of these new starting at 400w
    Mactec54

  13. #13
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    Jan 2005
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    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mike_Kilroy View Post
    Haha. You're still up to making false and dumb comments I see.

    Sent from my SM-G900V using Tapatalk
    The facts speak for themselves
    Mactec54

  14. #14
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    Nov 2015
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    371

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by mactec54 View Post
    Sigma II and up to the latest would be the only Drives Motors to look at starting at SGDH series they use all methods for control so you have a choice and the Sigma II are standard with 17Bit encoder, and adjustable to what ever resolution you want to use, they are also very easy to get up and running, with this plug from CNC4PC you then only need a Ethernet cable to a Breakout Board for Step / Dir Control, I do have some of these new starting at 400w
    Interesting. Do you know if the signal-converter from CNC4PC would work with the more recent Yaskawa drives?
    Would it work with the single-axis SGD7S Sigma-7Siec for example?

  15. #15
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    Jan 2005
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    15362

    Re: Suggestions for low-voltage high-resolution servo

    Quote Originally Posted by Storen View Post
    Interesting. Do you know if the signal-converter from CNC4PC would work with the more recent Yaskawa drives?
    Would it work with the single-axis SGD7S Sigma-7Siec for example?
    It is not a signal converter, it is just simplify the connection, I'm not sure if the sigma 7 have the same plug or pinouts but I could check, yes sigma5 and 7 are very nice
    Mactec54

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