Re: [Emc-users] Carousel Jogging

2011-10-25 Thread robert
this is intresting i will keep watch, as i too would like this for when i sort my turret on the chnc to jog it home if it gets stuck etc. have you done a following error check on the carousel so if it gets stuck u can automaticly stop it with out braking something etc? http://www.linuxcnc.org/co

Re: [Emc-users] Carousel Jogging

2011-10-21 Thread Karl Cunningham
I see the first paragraph of my last post wasn't clear. Here it is again, hopefully more understandable. For homing, could you give the PID command a constant ramp (use the integ component?) until the "home" microswitch closes. At that point, save the feedback encoder's position as a constant o

Re: [Emc-users] Carousel Jogging

2011-10-21 Thread Karl Cunningham
On 10/21/2011 09:02 AM, Kirk Wallace wrote: > I tried the "Set Home" button first, which simply put encoder.0.reset > and encoder.1.reset on a pyvcp button. What happened was one encoder > would reset a significant time latter than the other. PID would either > see the position or the command chang

Re: [Emc-users] Carousel Jogging

2011-10-21 Thread Kirk Wallace
On Fri, 2011-10-21 at 13:06 +0100, andy pugh wrote: > On 21 October 2011 06:58, Kirk Wallace wrote: > > > The PID sees > > a position change and moves during the counter synchronization. > > You probably need to disable the PID during the synch. Possibly using > an inverted oneshot on the edge (

Re: [Emc-users] Carousel Jogging

2011-10-21 Thread andy pugh
On 21 October 2011 06:58, Kirk Wallace wrote: > The PID sees > a position change and moves during the counter synchronization. You probably need to disable the PID during the synch. Possibly using an inverted oneshot on the edge (or maybe something else entirely) -- atp "Torque wrenches are fo