really i should start out with the builder manual then. --- On Wed, 8/10/11, John Thornton <[email protected]> wrote:
From: John Thornton <[email protected]> Subject: Re: [Emc-users] dedication To: "Enhanced Machine Controller (EMC)" <[email protected]> Date: Wednesday, August 10, 2011, 4:55 AM Seems like if your building the machine you would want to read the Integrators Manual and once finished and you want to use the machine you would read the User Manual... but no one seems to follow that logic. Even that logic will perish soon... John On 8/10/2011 6:43 AM, charles green wrote: > you have some documentation up your sleeve. what is this thing i > downloaded: " > User Manual V2.4 > The EMC Team > January 24, 2011 > "? > im not blaming anything. im just saying it doesnt work right. no way could > i have guessed the link you provide, or that it would apply to the live cd > install. to be fair, i didnt check the mans on the burnt cd. anyway, if > HOME_SEARCH_VEL is vacant in the config.ini.homing file for a particular > axis, is that the same as being zero? the conf wizard has nothing to say > about search velocity if there are no assigned pins, and produces no ordinate > in the home sequence. > > ahh, the intergator manual has more to say about homing: > > 4.3.3.9 HOME_SEQUENCE > Used to define a multi-axis homing sequence HOME ALL and enforce homing order > (e.g., Z may not > be homed if X is not yet homed). An axis may be homed after all axes with a > lower HOME_SEQUENCE > have already been homed and are at the HOME_OFFSET. If two axes have the same > HOME_SEQUENCE, > they may be homed at the same time. If HOME_SEQUENCE is -1 or not specified > then this joint > will not be homed by the HOME ALL sequence. HOME_SEQUENCE numbers start with > 0 and there > may be no unused numbers. > > ... > > If HOME_SEQUENCE is -1 or not specified then this joint will not be homed >by the HOME ALL sequence. > > so the home all sequence is only satisfied with all axes homed, but may not > include all axes in homing sequence. seems like a gothcha to me. > > ~ > > From: andy pugh<[email protected]> > Subject: Re: [Emc-users] dedication > To: "Enhanced Machine Controller (EMC)"<[email protected]> > Date: Wednesday, August 10, 2011, 3:39 AM > > > On 10 August 2011 11:05, charles green<[email protected]> wrote: > >> the homing exemption is included in the trajectory planner initialization >> and is either true or not true as far as i can tell - nothing about some >> joints having homes and others not. the problem is that the diabolical >> homing mechanism starts at zero, but does not end if there is a vacant >> element of the sequence. the fix i found to work is the home is not >> mandatory at all, but what i really want is home is not mandatory for joints >> without a well defined home position. for instance, there is no c axis >> (spindle) declared, but spindle homing is not required. > This is all documented. > http://linuxcnc.org/docs/html/config_ini_homing.html > > If you want a specific axis to home at its current position, then set > the HOME_SEARCH_VEL to zero. It will still need a HOME_SEQUENCE number > if you want it to be homed as part of a "home all" process. > > You need to read all of 6 lines of the Homing docs to find this > information. No offence meant, but you seem to be blaming EMC2 for > your guess being wrong. > ------------------------------------------------------------------------------ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
