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  1. 02-08-2010 #1
    irving2008's Avatar
    Lives in NW London, gateway to A1 & M1, United Kingdom.
    irving2008
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    lots of ways to do that.... what do you have to monitor the spindle speed? an index pulse or just a control voltage?
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  2. 03-08-2010 #2
    Ricardoco's Avatar
    Lives in Tunbridge Wells, KENT, UK, United Kingdom.
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    Quote Originally Posted by irving2008 View Post
    lots of ways to do that.... what do you have to monitor the spindle speed? an index pulse or just a control voltage?
    On the top of the spindle there is a metal plate with 50 holes around the edge, and what i suspect is a optical sensor.
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