Chris Morley wrote: > Analog glass scales signals can be divided with off the shelf (or cheaper off > ebay) components. I have a heidenhain encoder that by its self has resolution > of aprox (its metric) .0005 inches then I have a box that divides by 5 for > aprox .0001 inches. The box also converts to square waves signals.Those are > common. I have seen others that divide by ten (on ebay) and u can buy others > that divide by up to at least 256. and encoders come in different resolution > and accuracy . That being a good point that resolution and accuracy are not > the same. The right type of scale can be matched to have close to the same > thermal growth as the machine does. > just info I have gathered. This is only true for scales with analog (sine wave) output.
Jon ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
