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Thread: UC300 Ethernet

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  1. #1
    Hi does anyone know anything about these boards? How do they compare to the Smoothstepper? Customer service any good?

  2. #2
    UC300ETH vs Smoothstepper

    UC300ETH has more I/O (5 ports vs 3 ports)
    UC300ETH has dedicated analog I/O
    UC300ETH has better plugin support. Fast bug fixes, and always up to date
    UC300ETH also works with UCCNC software, which is in many ways superior to Mach3. And much cheaper.

    Support is excellent, either through email or the UCCNC support forum. Note, however, that the forum is mainly for the UCCNC software.

    The ESS can potentially proved a 10x faster pulse rate, though. 4Mhz vs 400Khz for the UC300ETH.
    Last edited by Ger21; 02-01-2017 at 04:19 PM.
    Gerry
    ______________________________________________
    UCCNC 2022 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

  3. #3
    Ok

    Thanks for the reply...

    So the UC300 pulses at only 400,000Hz (four hundred thousand cycles per second).... What real world difference does this make?
    Last edited by noyloj; 02-01-2017 at 08:22 PM.

  4. #4
    400,000 for the UC300ETH
    4,000,000 for the ESS.
    Those are maximums, and you'd typically set them at lower settings, unless you need 4 million steps/second.
    Most drives won't even work at those speeds.
    Gerry
    ______________________________________________
    UCCNC 2022 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

  5. #5
    Clive S's Avatar
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    Quote Originally Posted by noyloj View Post
    Ok

    Thanks for the reply...

    So the UC300 pulses at only 400,000,000Hz (four hundred million cycles per second).... What real world difference does this make?
    Do you mean 400,000Hz
    ..Clive
    The more you know, The better you know, How little you know

  6. #6
    Yes just spotted my error...

    So no real world difference then?

  7. #7
    I've got HSS86H closed loop hybrid drives that only run at 200KHz so shouldn't be any kind of issue... BTW does anyone know where I can get hold of the closed loop software? The links don't seem to be active on the JMC downloads page...

  8. #8
    Quote Originally Posted by noyloj View Post
    Ok

    Thanks for the reply...

    So the UC300 pulses at only 400,000Hz (four hundred thousand cycles per second).... What real world difference does this make?
    In my opinion no difference at all. That is, unless you have super fast, very expensive drivers. My drivers (DQ542MA) can handle up to 200kHz. They can be used with 400kHz as well but because that's outside the specs I don't think it is a good idea, so I use mine with 200kHz.

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  10. #9
    Am I correct in thinking that one pulses equals one step?

    If so then I pulse equals 1.8 degrees... therefore 200 pulses equals one full rotation... One full rotation equals 5mm (with my Chinese 1605 and 2005 ballscrews)....

    200,000 pulses (200KHz)/ 200 pulses x 5mm = 5000mm/s = 5m/s theoretical maximum velocity...

    Is this correct?

  11. #10
    That depends on your microstep settings on the drive.
    Gerry
    ______________________________________________
    UCCNC 2022 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

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