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howto interface?: Servos with built in encoders (industrial ) — Parallax Forums

howto interface?: Servos with built in encoders (industrial )

trendtrend Posts: 112
edited 2004-08-27 08:27 in BASIC Stamp
I have been looking at "heavy duty" servos with encoders on them such as these:
http://search.ebay.com/servo-encoder_W0QQsokeywordredirectZ1QQfromZR8

Can anyone give me some pointers on how to interface these to a Basic stamp? or show me some "industrial " servos w/encoders that you have already interfaced

Will it be something as simple as a DC motor with an encoder?
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Comments

  • Bruce BatesBruce Bates Posts: 3,045
    edited 2004-08-23 10:17
    Trend -

    They appear to be quadrature encoders that are used on those industrial servo motors. This web page will give you some tips as to how you can use a state machine technique to interface with them:
    http://www.emesystems.com/BS2fsm.htm

    Thanks go to Dr. Tracy Allen for this excellent reference on Stamp Applications methods.

    Regards,

    Bruce Bates
  • AlWilliamsAWCAlWilliamsAWC Posts: 135
    edited 2004-08-23 13:25
    We recently updated the PAK-VII to the PAK-VIIb. In addition to its usual functions, it can read up to 8 quadrature channels. See http://www.awce.com/pak7.htm.

    Good luck!

    Al Williams
    AWC
    http://www.awce.com
    ·
  • trendtrend Posts: 112
    edited 2004-08-23 17:21
    So just a simple DC motor with quandrent encoder?

    thanks-Lee
  • BeanBean Posts: 8,129
    edited 2004-08-23 19:01
    Yep, that's all they are.

    Terry
  • trendtrend Posts: 112
    edited 2004-08-27 08:27
    Thanks for the help, here is the info for anybody else looking to do this:
    control the dc motor via relay
    http://forum.microchip.com/·<< has 2 threads that show how to interface·dual channel and quad-channel encoders
    to the pic.. So that will give a general idea on how to do it with a bs2
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