what's the difference between absolute and incremental encoders?
Spehro Pefhany email (remove spam text)
At 11:08 PM 12/19/02 -0600, you wrote:
>Absolute encoder gives you position, typically in something like
>a Gray code (a binary code which, like the usual, has 2^N states
>for N bits, but only one bit changes at a time, which makes
>things a lot easier- they can easily be converted back and
>does this mean there is a unique number/output for each spot
>on the encoder?
Exactly. So you might have a 10-bit encoder, which would require
10 outputs and would have 1024 unique ranges of position from the POV
of the encoder.
Spehro Pefhany --"it's the network..." "The Journey is the reward"
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In reply to: <000601c2a7e5$c4aff350$275ed00c@VALUED1171C649>
See also: www.piclist.com/techref/io/sensors.htm?key=encoder
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