Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-17 Thread Tom
Peter C. Wallace p...@... writes: HostMot 5I20 encoder counter. With digital filtering turned on, the maximum rate is limited to around 4 MHz. Thread rate should be unimportant as well, especially with the original HostMot since its encoder counters are 32 bits wide. Have you checked that

Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-17 Thread Peter C. Wallace
I am using a pyVCP panel in Axis that has a spindle rpm bar, lifted from Anders Wallins generously provided ini and hal files on his web page here: http://www.anderswallin.net/category/cnc/emc/ Thus far, I can display 0 to 4000 rpm in a nice steady green bar, but as the spindle speed

Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-16 Thread Tom
Chris Radek ch...@... writes: Not true. http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?InstallingUpdates -- I stand corrected, Chris. But... the dependencies make a non-networked install/upgrade very difficult.

Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-16 Thread Tom
Gene Heskett gene.hesk...@... writes: A length of real metal electric fence wire, (not plastic unless its real kevlar) with the cat-5 hanging from it via those plastic s-hooks you hang christmas lights on the gutters with should work until the s-hooks go away from the sunlight. I would

Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-16 Thread Tom
Gene Heskett gene.hesk...@... writes: ... Speed display widget in axis? Any thoughts, suggestions? Thanks. Gene, I am using a pyVCP panel in Axis that has a spindle rpm bar, lifted from Anders Wallins generously provided ini and hal files on his web page here:

Re: [Emc-users] Am I overloading the servo loop with my s pindle encoder?

2008-12-15 Thread Tom
Sebastian Kuzminsky s...@... writes: Stephen Wille Padnos wrote: The hostmot2 driver in 2.2.8 has the new velocity estimation code. Is there a new signal name for this? Tom -- SF.Net email is Sponsored by