RE: [CAD_CAM_EDM_DRO] close loop and stalling
Posted by
Tim Goldstein
on 2003-05-23 17:12:08 UTC
EMC will add additional pulses to the motor that is lagging. My thinking
is this will only make your stalling stepper stall even more and EMC
will "correct" by trying to step the stalled motor faster. Once you get
enough steps off from commanded you get a fault.
Tim
[Denver, CO]
Sherline products at Deep Discount
Mach1 & DeskCNC with credit card ordering
www.KTMarketing.com/Sherline
is this will only make your stalling stepper stall even more and EMC
will "correct" by trying to step the stalled motor faster. Once you get
enough steps off from commanded you get a fault.
Tim
[Denver, CO]
Sherline products at Deep Discount
Mach1 & DeskCNC with credit card ordering
www.KTMarketing.com/Sherline
> -----Original Message-----
>
>
> I have a question regarding "close loop" systems using stepper motors
> with encoders. The software is EMC. What happens when the motors
> accelerate to fast and stalls using the above setup? Does it stop
> all the motors when it stalls? Or, does it try to correct the motors
> until it arrives at the determined position? I read somewhere that
> with a close loop system you can run the motors as fast as you can
> and let the encoders compensate for slow motors and it will do the
> routing correctly. Can someone explain some of these things?
>
> Thanks,
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
Discussion Thread
george_barr
2003-05-23 16:28:46 UTC
close loop and stalling
Tim Goldstein
2003-05-23 17:12:08 UTC
RE: [CAD_CAM_EDM_DRO] close loop and stalling
William Scalione
2003-05-23 19:20:11 UTC
Re: [CAD_CAM_EDM_DRO] close loop and stalling
Jon Elson
2003-05-23 20:45:31 UTC
Re: [CAD_CAM_EDM_DRO] close loop and stalling
Dan Mauch
2003-05-24 06:25:21 UTC
RE: [CAD_CAM_EDM_DRO] close loop and stalling
kdoney_63021
2003-05-24 08:41:57 UTC
Re: close loop and stalling