On Wed, Mar 2, 2011 at 10:59 PM, Jon Elson <el...@pico-systems.com> wrote:
> Igor Chudov wrote: > > On Wed, Mar 2, 2011 at 8:38 PM, Jon Elson <el...@pico-systems.com> > wrote: > > > > > > Jon, this is a ACME type screw that moves the knee, not a ballscrew. It > is > > 100% self locking. > > > > > > > Right, I was not meaning in the sense of it moving when the servo is > shut off, but that the position might not > even be CLOSE to the commanded position when the servo is shut off. Ie, > what Andy was suggesting was > to have a timeout for a move, after some delay with no change in > commanded position, the DAC output > would be forced to zero, no matter how close (or far) the axis was. You > would KNOW where it was, via the > encoder, but the actual position would be wherever the servo loop left > it after that delay. > > Jon, if I could have that, it would be perfect. Say, no commanded move in 10 seconds, shut down the motor. i ------------------------------------------------------------------------------ Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
