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Unread 17-01-2007, 00:46
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Phalanx Phalanx is offline
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Re: quadrature

Quote:
Originally Posted by Andrew Schuetze View Post
Reading these posts seems to confirm my thoughts that this sensor doesn't provide rotation direction information. CW or CCW This of course does not render this a useless sensor as one is often powering the motor from which sensor data is being generated. Meaning you already know its rotation and just need rotational speed for closed-loop feedback.
Actually the sensor does provide you with rotation direction information, but it is not easy, nor worth while to obtain IMO. You would need to measure the length of the pulse width of the signal. In the sensors datasheet it does say what the lengths of the pulse widths are. They are different for forward moving(CW) and reverse moving(CCW).
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Last edited by Phalanx : 17-01-2007 at 00:49.
 


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