[TenTec] Optical Encoder operation
David McClafferty
ve1adh@yahoo.ca
Tue, 13 Aug 2002 16:56:47 -0400 (EDT)
Hi Mark, There are two sensors looking at the slots in
the disc. The software looks at both and determines
the direction by which one it sees first.
73, Dave, VE1ADH
--- Mark Erbaugh <mark@microenh.com> wrote:
> I believe I understand the basic operation of an
> optical encoder, such as the 302. As you turn the
> knob, a series of holes on a plate connected to the
> shaft generate a series of pulses which the Pegasus
> software counts and convert into a value indicating
> movement. My question is how does the Pegasus
> determine which way (CW or CCW) the knob is being
> turned?
>
> Mark
>
>
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