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
