Bertho, Thanks for the note. I replied inline below.
------------------------------ > > Message: 4 > Date: Sat, 2 Jan 2016 00:21:12 +0100 > From: Bertho Stultiens <ber...@vagrearg.org> > Subject: Re: [Emc-users] Measuring Noise - Oscilloscope > To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > Message-ID: <568709e8.2030...@vagrearg.org> > Content-Type: text/plain; charset=windows-1252 > > On 01/01/2016 11:28 PM, Mark Johnsen wrote: > > Anyway, I've been reading all the posts here and on the IRC as I've been > > away for X-mas Holiday and I think I would like to be able to measure the > > noise to be able to determine if my changes make an effect. I've > > unsuccessfully dealt w/ noise issues before and find it a daunting task > to > > trouble shoot. > > Noise problems are the most difficult to trace because the source(s) can > be very obscure. > > >From the current thread(s) of discussion it seems clear that there is a > lot of confusion. I may add, as a relatively experienced EE/CS guy, I > have a hard time once in a while wrapping my head around noise problems. > Having high power systems combined with low power control systems makes > it only harder. > > It seems appropriate to make how-and-why-to-connect list and a checklist > of do's and don'ts added with a structured guide how to track problems. > I have to think a bit about that, but it seems a reasonable thing to do. > However, it may not be finished overnight and input is welcome. > > Would be useful in this situation as I think I'm not the only one w/ this setup and it would help others. > > > I'm assuming using a scope is the right way to do it? > > Yes and no. It depends on what you are tracking and how it is induced. A > scope may actually worsen or remove the problem under certain > circumstances because the scope influences the system. That is what > makes it so hard to track. > > I agree - it's hard to track... > > -- > Greetings Bertho > > (disclaimers are disclaimed) > > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
