We have a brake on the y axis also. Yes it is a pain. :) I should disable the jog until after the machine is homed. Problem fixed. :)
sam On 2/12/2013 9:43 AM, Pete Matos wrote: > That would be a real bitch to have to back off a millhead on a VMC off a > limit with a motor brake installed... > > Also as per the complete power down issue, having been ringside when my > Y axis drive blew and watching the bright white light coming from behind > the machine I was VERY glad the estop circuit cut all power to the drives > LOL....yeah I am good with watching the spindle coast to a stop any > day....peace > > Pete > > On Tuesday, February 12, 2013, sam sokolik <sa...@empirescreen.com> wrote: >> My axis limit switches are hooked directly into the estop loop. I have >> soft limits setup. The only time I have ever run into the over-travel >> limits was when I was jogging before homing (not paying attention... ) >> (and yes - I have to back off the limit manually) >> >> sam >> On 2/12/2013 9:07 AM, andy pugh wrote: >>> On 12 February 2013 14:53, Pete Matos <petefro...@gmail.com> wrote: >>>> Thanks for the info...can you explain that last part 7i77 GPIO? >>> The 7i77 has 32 inputs and 16 outputs for general-purpose IO. (on TB7 >>> and TB8 I think). >>> >>>> Did I hear you correctly when you said you wired your limits and >>>> homes in series and in with the estop circuit? >>> No, as you say that would cause problems with backing off of a limit > switch. >>> In actual fact the machine I am describing doesn't yet have limit >>> switches, it is a bit of a slow-burning project. They are likely to be >>> added fairly soon, though. >>> However, my intention is to keep them entirely software-controlled. I >>> would be interested to hear opinions on the advisability of this. >>> >> >> > ------------------------------------------------------------------------------ >> Free Next-Gen Firewall Hardware Offer >> Buy your Sophos next-gen firewall before the end March 2013 >> and get the hardware for free! Learn more. >> http://p.sf.net/sfu/sophos-d2d-feb >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > Free Next-Gen Firewall Hardware Offer > Buy your Sophos next-gen firewall before the end March 2013 > and get the hardware for free! Learn more. > http://p.sf.net/sfu/sophos-d2d-feb > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
