On Tue, 2007-05-29 at 09:42 -0700, Peter C. Wallace wrote: > On Tue, 29 May 2007, RogerN wrote: > > > Date: Tue, 29 May 2007 09:34:21 -0500 > > From: RogerN <[EMAIL PROTECTED]> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <[email protected]> > > To: "Enhanced Machine Controller (EMC)" <[email protected]> > > Subject: Re: [Emc-users] Help with Mesa & encoders > > > > Would it work to plug my 7i33 board into one of the other 2 simple I/O > > connectors on the 5i20 board? I'm not sure of the configuration used on > > the 5i20, it's the one that loads with the MESA configuration of EMC2. > > The only edits I've done so far is for AXIS Lathe display and encoder > > resolutions to show encoder counts (a 1024 line encoder will display > > .4096" in one rev.). I think the 2nd 5i20 port can be used for either > > I/O or up to 4 more encoders. Any special configuration needed to use > > the 2nd port for I/O? Or should I just use the 3rd port to see my > > encoder lines as inputs to display on HalScope? > > Thanks! > > > > Roger Neal > > [EMAIL PROTECTED] > > > No, because the driver sets up the I/O ports as 16 inputs and 8 outputs, this > does not match the signal directions of the 7I33 so there would be conflicts > (outputs connected to outputs). THe HOSTMOT configurations I/O has the > ability > to have port direction set to "IN" or 'OUT' on a per bit basis but AFAIK, the > driver hardwires the I/O to the 16 IN followd by 8 OUT format.
That's right. We use a different configuration of pins on our 5i20, so had to rewrite the hostmot configuration for the FPGA (Thanks Paul C!) so that we would have only 2 servo axes, but more i/o. Seb ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
