May be you can use an interface board like the mesa 5i20, the encoder readings and pwm generator can handle much more resolution than a parport system based.
Here is the web http://www.mesanet.com The 5i20 is a very cheap board i bought two and so far no problems... they work quite well. I hope i could help you. Regards. Leonardo. 2009/12/22 <richard_pr...@att.net> > Let me fix the typo... I just need the pin-OUT, > > Sorry folks > > > ----- Original Message ----- > From: <richard_pr...@att.net> > To: <emc-users@lists.sourceforge.net> > Sent: Tuesday, December 22, 2009 3:00 PM > Subject: [Emc-users] servo wiring > > > >I am a new user of EMC, and this group. I would like to replace an > >existing > > CNC with a PC and EMC. I wish to connect as a closed lop servo system > > thru the printer port. > > > > What interface do I need for connecting analog drive signal from the PC, > > and > > encoder feedback to the PC? Can this be done directly with just the > > printer > > port, or do I need to get another interface? > > > > I have PWM drives already, I just need the pin-you from the parallel > port > > for input and output for servo drives. > > > > > > Thanks for the help, > > > > > > Richard Press > > > > > > > ------------------------------------------------------------------------------ > > This SF.Net email is sponsored by the Verizon Developer Community > > Take advantage of Verizon's best-in-class app development support > > A streamlined, 14 day to market process makes app distribution fast and > > easy > > Join now and get one step closer to millions of Verizon customers > > http://p.sf.net/sfu/verizon-dev2dev > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and > easy > Join now and get one step closer to millions of Verizon customers > http://p.sf.net/sfu/verizon-dev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
