Steve Blackmore wrote: > On Wed, 2 Mar 2011 21:41:45 -0600, you wrote: > > >> Jon, this is a ACME type screw that moves the knee, not a ballscrew. It is >> 100% self locking. >> > > Replace the servo with a stepper. There are also stepper drives > available that will drop the current supplied by half when no steps > received for some time. > > It would be expensive to do this. He has an analog servo system using my PPMC board set. There is no stepper option with this interface. He could add an additional parallel port to the CPU and use software generated steps, I suppose.
Jon ------------------------------------------------------------------------------ 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