[Bdi4emc-help] max pulse rate
bdi4emc at bulldoghome.com
Sun Jan 6 01:30:34 CET 2008
On Saturday 05 January 2008 20:57, David Szakovits wrote:
> i am configuring a system with emc2/ubuntu. when axis comes up it
> complains that the max pulse rate is 10111 hz. when i reduce max
> velocity to stay within this constraints my turntable is rotating fairly
A 10KHz max is pretty poor - I suspect even Mach3 would do better than that.
> my mill is using bd1-4.51 and quickstep and appears to be
> capable of quite a bit higher pulse rate. does anyone know if this is
> true or should i look for some errors on my part in the configuration
> files for emc2.
On a 433MHz celeron I use for testing, 30KHz is quite easily achieved,
however, last time I attempted to run emc2, 15-20KHz was about the best I
could get. Others have also commented on the poor performance of emc2, so you
are unlikely to have any serious errors in the configuration.
> is it straightforward to run emc on a emc2 machine?
(assuming you mean that emc2 Live CD) You would need to compile from source,
for which you will need kernel & RTAI headers for the installed kernel, gcc,
g++, tk8.4-dev, and perhaps a couple of other development tools/libraries.
Chances are, none of them are included on the CD, so you will have to
download the packages from somewhere.
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