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fburgos

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Reply with quote  #1 
can anyone help me to undestand few configurations.

Mea. Pnt. Paramters Sensor-Signal Info.png 

- what does Plotting full scale range do, I had the undestanding that its not used if using autorange, see below the help file?

- Lowest-Highest valid signal level, what are the reccomended values, this engineering units are the "Units Type Code" from previus tab?


Sensor-Signal Info.png 


Dave Reynolds

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Reply with quote  #2 
If you turn auto range off is requires you to put a valid anticipated full scale range. If I recall correctly it also messes with data collection time

Lowest/highest valid signal level, this is the lowest/highest level you anticipate to be at this point/direction, I use ips/pk and cpm, my lowest values is .001414 and highest is 14.14
https://www.youtube.com/results?search_query=csi+2140
youtube link for 2140 tutorials
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Reply with quote  #3 
I don’t believe the lowest/highest signal level parameter affects the reading, but rather just generates and “error” and creates a ‘note’ to that effect in the database.
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OLi

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Reply with quote  #4 
In my vintage it made the data collected to be rejected and not stored that was a bit irritating sometimes unless it is different now or I remember the result and it was some other parameter giving the result and I may be wrong, just a vague memory.
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fburgos

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Reply with quote  #5 
So number 2 questions is not important, beside the possible warning flag on the data/analyzer

For #1, is said it's used with auto range and affect the spectrum plot, in the box screen, is it some kind of fixed amplitude axis?
Sinski

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Quote:
Originally Posted by OLi
In my vintage it made the data collected to be rejected and not stored that was a bit irritating sometimes unless it is different now or I remember the result and it was some other parameter giving the result and I may be wrong, just a vague memory.

This is correct. I think CSi defaults to not store data outside that range. There is a setting in the software where you need to tell the analyser to store all spectra and to store all waveform. 
Noknroll

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Reply with quote  #7 
i have a blanket setting of 0 & 100 for lowest and highest valid data, regardless of units of vibration. eliminates those pesky "Bad Reading" messages and stores all data
OLi

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I have on a regular basis last couple of months delivered converters with 100mm/s RMS range for a specific machine type before that only 0.1% of the delivered converters had that or actually 1-2 pcs sinnce approx 1994. I don't think that is good long term although company record on still rotating machine is 200mm/s so yes, 100 should be enough. I think I set it to 255 because I think I could and it is more binary nice.
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if you set all these settings to zero it will effectively disable. Is what i do across  all my dbs. I believe the defaults are a silly inheritance from the imperial system Us still maintains.  So everything with a 25.4 in it still goes back to metric. Oli - I ask - did Sweden come to their senses in ythe 70's were they not users of imperial.....? they did drive on the correct side of the road and swapped? rgds

OLi

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Yes we swapped side on the roads 1968 but we always had the steering on the right side :-) so it was a minor problem car accidents didn't go up until a couple of years later so to reduce accidents, swap sides regularly.
Last thing that remained in " for long time was wood so I feel happy to have a 2"x4" for knock testing it went mm maybe 10 years ago thanks to EU.

 


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Noknroll

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Reply with quote  #11 
Oki I had to raise my 100 to 400 for some flour sifters
fburgos

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Reply with quote  #12 
100*400.. even in mm? that's a big one
Noknroll

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Reply with quote  #13 
Yep,
Capture.png 

fburgos

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Reply with quote  #14 
one rock sifter, for this one i had to enable Save data flagged bad sensor and save data flagged bad reading in data dump setup, and its been enable.



Criba g.pngdata dump setup.png 

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