On 15 August 2011 11:07, John Prentice <j...@castlewd.freeserve.co.uk> wrote:
> If I pull 2.5-pre and compile it should I have everything needed (including > a bitfile for Mesa 5i20)? There is an SVTP7_7i39 bitfile which I believe should arrive with a apt-get install emc2-firmware (and which you might already have) The current release (2.4.6) has the bldc_hall3 component, but doesn't seem to have the three-phase PWM Hostmot2 function so you will need 2.5 to use the 7i39. Rather than download/compile, you can install the precompiled package from the buildbot, which is probably easier: http://buildbot.linuxcnc.org/ Do you have Hall sensors on the motors? If you don't have encoders or Hall sensors on the motors, but only linear scales, then it is probably still possible to run the stage as the relationship between stage position and motor rotor angle is fixed. You will need to run the magnetic alignment routine in "bldc" (loadrt bldc cfg=q ) and have the encoder scale set to the number of linear scale counts per motor physical rev, with the correct motor pole count parameter set in "bldc" -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ uberSVN's rich system and user administration capabilities and model configuration take the hassle out of deploying and managing Subversion and the tools developers use with it. Learn more about uberSVN and get a free download at: http://p.sf.net/sfu/wandisco-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
