Thanks all for you help. I was able to configure this fairly easily. The only issue I had was initially I was setting the maxaccel and maxvel values on the hardware steppers. This was causing joint following errors. I found that if I would set the following error (FERROR) absurdly high like 100 it would function however the machine would overshoot and then reverse direction to come back to the correct spot. This was only happening during a high speed jog but seemed to function fine during actual execution of a program.
I eventually tracked down a post that mentioned that LinuxCNC controls these and that it doesn't need to be set. (It was causing a bit of a feed back loop) So I set them to 0 and then things started working very well. The performance of the board is of course highly accurate compared to software stepping. I was able to ramp up acceleration about 50% and max velocities about 20% due to the smooth and continuous pulse train that the 5i25 outputs. Attached are the config files I came up with for anyone else looking for another example on how to set their own 5i25 up.... Thanks, Curt On Sat, Feb 25, 2012 at 12:53 AM, Chris Morley <chrisinnana...@hotmail.com>wrote: > > Here is a hand built XML file for 5i25 with prob_rfx2 firmware. > > You need to add the folder '5i25' to /lib/firmware/hm2 > then add the XML file to that folder. > You will need administer privileges to do this. > > one way is to open a terminal and type sudo nautilus > and then your password. > > after that when you run PNCconf you will be able to select > the 5i25 board and the prob_rfx2 firmware. > > Chris M > From: chrisinnana...@hotmail.com > To: emc-users@lists.sourceforge.net > Subject: RE: [Emc-users] Mesa 5i25 with "Generic" stepper board > Date: Thu, 23 Feb 2012 10:56:38 +0000 > > > > > > > > > > I'm a bit shaky on how to configure this as I just started studying it > last > > night, however it appears to me that if I created a "prob_rfx2.xml" file, > > that I could utilize > > pncconf to build my emc2 configuration. > > > > I have the prob_rfx2.pin file that describes all of the pins that the > > firmware defines. > > > > > > Am I on the right track here? Also are there any references or tips that > > anyone is aware of to help me along? > > > > I'm linux savvy and a programmer, so any work that could be reusable I'd > > like to share and provide for others that may follow down this path. > > > > > > > I took a look at the firmware you quoted. > > Yes if you make an XML file PNCconf will help you configure it. > > I'll try to find time to build one this weekend. > > > > Chris M > > > > > > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > >
cnc.hal
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cnc.ini
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