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Thread: servos...how to recognize?

  1. #1
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    servos...how to recognize?

    One stupid newbie has a stupid questions...
    Is there any basic rules recognizing servomotors?
    Can you tell straight away from the wiring is it digital or not?
    THX already!


  2. #2
    Community Moderator Al_The_Man's Avatar
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    A quick check is if the motor is a servo, it will have an encoder and possibly a tach connector on the rear, steppers generally speaking do not have an encoder fitted so it would be just connector for the coil windings. Many commercial amplifiers state the type of servo control it uses i.e DC brushed, DC brushless, AC etc.
    Al
    CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).

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


  3. #3
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    I think you will also find that if you try and turn the shaft a servo motor will turn freely but a stepper will have magnetic fields which make it notchy to turn.


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