> Date: Mon, 5 Dec 2011 11:30:26 -0800
> From: bmkl...@yahoo.com
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] How do I cipher "INPUT SCALE"
>
> This is the formula I used to figure INPUT SCALE 5000 * 28/14 * 5 counts/inch
> = 50,000 counts/inch but this does not work.
> I found by trial and error that having an INPUT SCALE of 1000000 works. I am
> confused about this.
> This is a differential encoder, "heidenhain rod 476, 5000"
> Just trying to wrap my head around this.
>
> Regards,Bruce
Heidenhain specifies LINECOUNT of 5000.
Encoder reads Quadrature pulses (unless set otherwise)
so a line count of 5000 x 4 quadrature edges per line = 20000 pulses
also you probably have the gear ratio backwards
so 20000 * 14/28 * 5 = 50,000
Chris M
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