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IndustryArena Forum > CNC Electronics > Spindles / VFD > AASD servo not reaching full rpm in speed mode.
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  1. #1
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    Sep 2009
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    16

    AASD servo not reaching full rpm in speed mode.

    I have a Chinese aasd servo drive and motor (80st-m04025) that i run on 110v in speed mode.

    My problem: even at full 10v input signal the motor only reaches 2000rpm Max.
    Also in manual jog mode it only reaches 2000rpm
    (Rules out input voltage issue)

    My parameters:
    Pn02: speed mode
    Pn159: 300 (should give 3000rpm at 10v input)
    Pn168: external analog voltage

    Is it because I run on 110v?
    Any suggestions are appreciated.

    Thank you,
    Rob

  2. #2
    Community Moderator Jim Dawson's Avatar
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    Dec 2013
    Posts
    5177

    Re: AASD servo not reaching full rpm in speed mode.

    Most likely there is a Maximum Speed parameter that is set to 2000 RPM.
    Jim Dawson
    Sandy, Oregon, USA

  3. #3
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    Jan 2018
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    1026
    Quote Originally Posted by rschwarz View Post
    I have a Chinese aasd servo drive and motor (80st-m04025) that i run on 110v in speed mode.
    My problem: even at full 10v input signal the motor only reaches 2000rpm Max.
    Also in manual jog mode it only reaches 2000rpm
    (Rules out input voltage issue)
    My parameters:
    Pn02: speed mode
    Pn159: 300 (should give 3000rpm at 10v input)
    Pn168: external analog voltage
    Is it because I run on 110v?
    Any suggestions are appreciated.
    Thank you,
    Rob
    Check pulley settings in your cnc program also.

  4. #4
    Member
    Join Date
    Jan 2005
    Posts
    13132

    Re: AASD servo not reaching full rpm in speed mode.

    Quote Originally Posted by rschwarz View Post
    I have a Chinese aasd servo drive and motor (80st-m04025) that i run on 110v in speed mode.

    My problem: even at full 10v input signal the motor only reaches 2000rpm Max.
    Also in manual jog mode it only reaches 2000rpm
    (Rules out input voltage issue)

    My parameters:
    Pn02: speed mode
    Pn159: 300 (should give 3000rpm at 10v input)
    Pn168: external analog voltage

    Is it because I run on 110v?
    Any suggestions are appreciated.

    Thank you,
    Rob
    Yes it could be 120v supply voltage, it will give you less RPM unless the Drive is rated /setup for that Voltage, the other thing to look at is the electronic gearing in the drive, ( if it has it ) this to can give you a low output if not set correct
    Mactec54

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