[etherlab-users] TestManager Sampling rate + accuracy issue

[Richard Hacker]

Dear Mr Marton,

Just to add insult to injury, why don't you use a spelling check before you 
send out an email with the most basic spelling mistakes (lol!)

- Richard

On Tuesday 14 December 2010 14:55:50 Dr.-Ing. Wilhelm Hagemeister wrote:
> Dear Mr Marton,
> 
> if you don't like the TestManager you can bring it back to the shop and
> you get back what you payed for it...
> 
> If you want to have answers for your questions I would advice you to ask
> them in a more polite way...
> 
> Regards Wilhelm.
> 
> Am 14.12.2010 11:38, schrieb Alex C. Marton:
> > Dear all,
> >
> > I have a problem with the data acquisition in TestManager.
> >
> > First of all, my specs:
> > etherlab 1.2-rc10
> > My linux version is: openSUSE 11.2 "Emerald" - Kernel \r
> > My RTAI version is 3.7.1
> > Matlab is R2009b, Simulink version is: v 7.4 and RTW is: v 7.4
> >
> > Now, I have just learned through experimenting that the "fundamental
> > sample time" in the configuration Parameters in my Simulink model i have
> > built, is actually the maximal sampling frequency that will appear in
> > TestManager , in the Data Transfer option for every channel. This is
> > quite a find for me because nobody explains this stuff anywhere! The
> > Testmanager documentation is in German (lol!), all I have is an english
> > translated documentation for TestManager 3.4 which is not good at all.
> > Ok, now that I finnaly can sample at the sampling rate I want, next step
> > is to choose the accuracy for each channel, right? Not quite! Well it
> > turns out that whatever accuracy i put in there (3,4...9) and then
> > trying to acquire some channels using the Scope, and then exporting the
> > acquired data in Matlab-format, Testmanager never respects/maintains the
> > accuracy number i put in there. For example if i select 1000Hz sampling
> > time + 3 accuracy  (3 digits after the "." in the number) for a channel,
> > then after exporting, Testmanager just spits out data @ 1000Hz with 16
> > floating point digits after the "." in the number. This of course has
> > serious impact because for 10 seconds of data i get files of 11-20 mb
> > for 1 channel -> aka not good!
> > May I ask you: "what is going on?" because I have no idea.
> > Thank you for your time!
> >
> >
> > Alex M.
> >
> >
> >
> > _______________________________________________
> > etherlab-users mailing list
> > etherlab-users at etherlab.org
> > http://lists.etherlab.org/mailman/listinfo/etherlab-users
> 
> _______________________________________________
> etherlab-users mailing list
> etherlab-users at etherlab.org
> http://lists.etherlab.org/mailman/listinfo/etherlab-users
> 

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Richard Hacker                               Amtsgericht Essen HRB 11500  
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