You might have a look at http://www.usdigital.com/products/interfaces/encoder/converters/edivide/
Something like this would allow you to experiment with speed vs resolution and still keep the encoder you've got on there. On Sun, 2009-08-16 at 10:51 +0100, Steve Blackmore wrote: > Hi Guys, what's a realistic number of PPR for a lathe spindle encoder > via a parallel port in EMC. Spindle is capable of 3500 rpm. > > My home made encoder had 90, but I've altered the drive system and > fitted a 1024 PPR encoder with index. Output is via differential line > drivers. > > I've changed the scale factor but it starts loosing pulses at 600 rpm or > so?? ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
