On Friday 02 February 2007 20:06, richard harris wrote: >First my sincere appreciation for all the help, this machine is really > starting to drive me nuts. > > Things that I have now tried are; > Series choke no apparent affect > Ferrite beads no apparent affect > Series choke and Ferrite beads no apparent affect > Wraping the drive in foil no apparent affect, but the > aliens will not read its thoughts I put all the grounds to a common > point no affect I removed all the grounds on the system no affect > > The encoders are BEI H25s and are differential, the motors nameplates > are long worn away but they are 90v 10amp continuous rated. > > Rutex USA says the new drives have different filters, from the older > 9series, which make them more susceptible to noise, but it allows for > faster communication between the drive and computer. He also said that > the noise is from the PWM chopping of the drive itself and not an > external source. > > Im hardly a Double E, so I am swimming in the deep end. I used to > have electric RC cars with PWM speed controllers, and we would put > small ceramic caps across the terminals at the motor. Is that an idea, > or am I going to kill myself or worse a motor. > > Again thanks for the help and if you have more ideas throw them at me. > >Richard > This is sounding more and more like you'll need somebody with an oscilloscope to trace it down for you, Richard. Preferably a C.E.T. or at least experienced enough to pass the test.
So the next obvious question then is 'whats your 20?', eg where are you on this big blue marble (that's slowly turning well done). >richard harris <[EMAIL PROTECTED]> wrote: Hello, > > This is a bit out of the standard EMC domain, more of an integration > issue. > > I have a Rutex 2200 drive, coupled to the Rutex motherboard. The > encoder wires are twisted pair, with shielding grounded at the drive; > the power wires are also shielded and run to the motor in a separate > conduit. Somewhere I am getting noise in this system. I have Rutex 9x > drives on my other machine and they run great, Rutex says that the new > drives are more susceptible to noise. How does that work your new > product is inferior to the one it replaces? > > I have tried shortening wires, adding grounds, checking grounds, even > asked the double E's at school. > > Any ideas on how to reduce the noise, looking for any ideas at this > point no matter how crazy. If I have to stand on one foot while > operating my mill so be it. > > Thanks > >--------------------------------- > Cheap Talk? Check out Yahoo! Messenger's low PC-to-Phone call > rates.----------------------------------------------------------------- >-------- Using Tomcat but need to do more? Need to support web services, > security? Get stuff done quickly with pre-integrated technology to make > your job easier. Download IBM WebSphere Application Server v.1.0.1 > based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=12164 >2_______________________________________________ Emc-users mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/emc-users > > > >--------------------------------- >No need to miss a message. Get email on-the-go >with Yahoo! Mail for Mobile. Get started. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Yahoo.com and AOL/TW attorneys please note, additions to the above message by Gene Heskett are: Copyright 2007 by Maurice Eugene Heskett, all rights reserved. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
