On Tue, 2011-04-12 at 11:30 -0500, Igor Chudov wrote: > On Tue, Apr 12, 2011 at 11:23 AM, Jon Elson <[email protected]> wrote: > > > Stuart Stevenson wrote: > > > Gentlemen, > > > I was just made aware of a recurring problem with the Cinci and the > > Enshu. > > > I have heard nothing about the Dahlih. > > > The Enshu is running 2.5.0-pre and Touchy interface. > > > The Cinci is running 2.5.0-pre and Axis interface. > > > Yesterday the Enshu lost Y position during a program run. The Cinci has > > > done this previously but that was before the latest update to 10.04 and > > > 2.5.0-pre. > > Can you restore the machines to the older software? How recent was the > > upgrade? > > What is the MTBF (sounds like about a day or so?) > > > > If it weren't for an apparently recent software update, I'd suspect a > > problem in the PPMC encoder board. > > > > > I had a similar situation, except it was markedly worse, due to a poor > parallel port chipset. > > It was fixed 100% by upgrading to a better parport chipset.
If that is true then the communications diagnostic should make it apparent. I've run the diag overnight w/o problems. In general, if the ppmc paraport comm works it works very well. Dave > > i > > > > I have made changes in the PPMC driver, but these changes should be > > disabled for the PPMC, since it > > doesn't have the necessary firmware to timestamp the most recent encoder > > count. I'm pretty sure the > > ppmc driver is not supposed to do anything differently if the new > > features are not enabled. > > > > I suppose you could run the diagnostic program overnight with the > > commtest test to see if any errors > > show up. > > > > What is the following error tolerance in the .ini file? If it was an > > encoder or encoder counter problem, it should cause a sudden following > > error of .4", which would be expected to trip the error message and stop > > the machine. If your following error tolerance is less than 0.4", then > > I think the encoder reading components are off the hook, and it is > > somehow an offset that is getting applied to the axis. > > > > Jon > > > > > > ------------------------------------------------------------------------------ > > Forrester Wave Report - Recovery time is now measured in hours and minutes > > not days. Key insights are discussed in the 2010 Forrester Wave Report as > > part of an in-depth evaluation of disaster recovery service providers. > > Forrester found the best-in-class provider in terms of services and vision. > > Read this report now! http://p.sf.net/sfu/ibm-webcastpromo > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Forrester Wave Report - Recovery time is now measured in hours and minutes > not days. Key insights are discussed in the 2010 Forrester Wave Report as > part of an in-depth evaluation of disaster recovery service providers. > Forrester found the best-in-class provider in terms of services and vision. > Read this report now! http://p.sf.net/sfu/ibm-webcastpromo > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Forrester Wave Report - Recovery time is now measured in hours and minutes not days. Key insights are discussed in the 2010 Forrester Wave Report as part of an in-depth evaluation of disaster recovery service providers. Forrester found the best-in-class provider in terms of services and vision. Read this report now! http://p.sf.net/sfu/ibm-webcastpromo _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
