[simpits-tech] New file uploaded to Simpits by David C. Allen.

Gene Buckle geneb at deltasoft.com
Tue Jun 15 17:02:43 PDT 2004


> Description:  10 Bit Excess Gray Code Encoder Drawing
>


BTW, for those that don't know, an Excess Gray Encoder is used to measure
absolute positions of a rotary shaft.  Think of it as a rotary encoder
that outputs it's position instead of a CW or CCW pulse.

At 10 bits, it will give you 1024 seperate values, 0 to 1023 as the it's
turned.  It will give you roughly an accuracy just a little bit less than
1/3rd of a degree of arc.  It's a great feedback mechanism for sensing
needle or compass card positions.

g.




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