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Unread 19-02-2012, 14:44
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FRC #1718 (The Fighting Pi)
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Re: Encoders counting..... sometimes

Quote:
Originally Posted by Joe Ross View Post
I'm not sure I understand this statement. An unplugged quadrature encoder should provide no output to the FPGA, and the FPGA should not count when an encoder is unplugged.

Can you scope the signals when it's working and when it's not?
I'm sorry Joe, I was incorrect. It stops counting when unplugged. In the areas I'm calling 'dead spots', it will sit and count upwards as if the encoder is being turned, when it is not. It counts at a constant rate.