Thanks, do we need to consider what CPU performance level is needed, P4, Core2, GHz? memory size?
-- Youda On Fri, Sep 4, 2009 at 11:26 AM, Peter C. Wallace <p...@mesanet.com> wrote: > On Fri, 4 Sep 2009, Youda He wrote: > > > Date: Fri, 4 Sep 2009 10:26:19 -0700 > > From: Youda He <yo...@geometrysystems.com> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <emc-users@lists.sourceforge.net> > > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net > > > > Subject: [Emc-users] What hardware should buy to start > > > > Hi, > > > > I am new to the list, would like to see what is needed to build a CNC > > machine. > > We have bought a 3 axis platform, with steppers, can replace them to > servo > > with encoder id needed. > > If you already have a step motor based platform, you can drive it with just > a > parallel port, allowing you to get familiar with EMC2 with minimal > investment. > > This is a very common EMC2 setup. > > If you need more performance there are EMC2 supported hardware interfaces > the > support servos and hardware step generation. > > > > > We have some experience with micro controllers, and likely to use some > PIC > > based controller, > > in these case the close loop is done at the controller end, can we use > > UBS/RS232 to communicate > > to the controllers, ans using the EMC2 as the GCode interrupter? > > EMC2 does not currently support external motion controllers. EMC2 > is a > real time system that does all motion control tasks in the PC host. This > has > many advantages. One main advantage being that all systems from a lowly > parallel port on up have the same feature set. > > The disadvantage of supporting external buffered motion controllers > (USB and RS-232 controller would pretty much have to buffer motion > segments) > is that many of EMC2s' features like threading and rigid tapping would be > lost. Even if these complex motion sequences could somehow be supported in > the > external controller, it would require a complex driver and mean that each > controller type would end up having some random subset of EMCs' > capabilities. > > > > > Or we need to buy some hardware to communicate with the controller? > > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC2_Supported_Hardware > > Or of course just a parallel port > > > > > -- Youda > > > ------------------------------------------------------------------------------ > > 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 > > > > Peter Wallace > Mesa Electronics > > (\__/) > (='.'=) This is Bunny. Copy and paste bunny into your > (")_(") signature to help him gain world domination. > > > > ------------------------------------------------------------------------------ > 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 > ------------------------------------------------------------------------------ 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
