Sounds like your home switches for the gantry are not connected correctly in hal. You do have one switch for each joint right?
JT On 9/5/2016 7:34 AM, Danny Miller wrote: > > On 9/2/2016 9:45 AM, Charles Steinkuehler wrote: >> On 9/1/2016 9:28 PM, dan...@austin.rr.com wrote: >>> Well, wait- just rechecked the gantry man page: "When the system is >>> homing and a joint home switch activates, the command value sent to >>> that joint is "frozen" and the joint offset value is updated >>> instead" >>> >>> It unambiguously DOES say it's per-axis homing, but I saw it stop >>> both when X1's limit tripped and X2 never went into seek, and if X2 >>> was in front of X1, went over the homing switch with no effect >>> until X1 tripped. >>> >>> Here's what's in my HAL that should be relevant, did I screw >>> something up? >>> >>> loadrt gantry count=1 personality=2 >>> net switches-x1 <= hm2_[HOSTMOT2](BOARD).0.gpio.005.in_not >>> net switches-x2 <= hm2_[HOSTMOT2](BOARD).0.gpio.003.in_not >>> net switches-x1 => gantry.0.joint.00.home >>> net switches-x2 => gantry.0.joint.01.home >>> net home-x <= gantry.0.home >>> net home-x => axis.0.home-sw-in >> That looks OK, but it's not enough to verify your HAL file is correct. >> >> The behavior you describe could happen if the search-vel input is >> incorrect, if you're using the limit output instead of the home output >> to feed to motion, or if your home switch signals have the wrong >> polarity (they should be high if the switch is "tripped"). > There is ONLY a homing switch. No limit. > > Polarity is correct. > > I didn't have an [Axis3] section at all in my ini, since nothing seemed > to use it, all references for axis3 functions go back to axis0. I did > copy Axis0 section into an Axis3 though, so search-vel does exist now > for axis3. > > Didn't help. > > I did see this: when it homes, if X1 is ahead of X2, it stops both on > X1. However if X2 is ahead of X1, it ignores BOTH homing switches. It > just drives both into the stops and grinds forever. The sensors are far > enough from the stops now that there's room to go far enough to pass the > switches which does create an awkward case where it may start already > past it and grind on the endstop without ever seeing the sensor. > > Danny > > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
