On Sun, 2013-02-24 at 23:32 -0600, Jon Elson wrote: > Bruce Klawiter wrote: > > > > I tried this but as soon I run POS the numbers start scrolling on the page, > > is this correct? > It is SUPPOSED to just keep overwriting the same line. it may be if the > terminal > window is too small, it will scroll instead, or it may be a different > terminal > window program or a setting that is causing that. > > it will even do it when the encoders are disconnected. > > See a screen shot here:https://sites.google.com/site/bmklawt/home/emc2/pos > > > OK, you definitely have a communication problem, the one-line huge jumps in > position indicate fairly frequent errors between the PPMC and the PC. > > Also did a com test: > > https://sites.google.com/site/bmklawt/home/emc2/commtest > > > And, this test confirms bursts of bad communication. > Are you using a cable marked as IEEE-1284 compliant? What kind of PC > are you > using? It it connected to a motherboard parallel port or a PCI plug-in > card? > > Oh, and DO NOT try to enable servo drives when the reading of encoder > position has these problems. > > Jon > Bruce, Speaking as a user, commtest is really useful. In my experience commtest will run overnite with no errors. However, if you have a bad cable you are going to know very quickly. I had real problems until I got commtest; from then on I was able to verify my cable and connections as good or bad with minimal effort. Good luck. Dave > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_feb > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
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