dasylab stastics

[alanb]

I am new to using DASYlab.

I want to find the RMS of a signal over a varying period (based on predifined tacho counts from a seperate data channel).

I have used the COUNTER module that is reset using an ACTION module after a predifined number of counts, This seems to work OK.

I have used another channel on the ACTION Module to reset a STATSTICS module connected to the data channel but do not seem to get an out put based on the number of counts of the tacho.

any thoughts out there

Thanks

[AdamB]

Hi,

The following link is to a company that supports Dasylab better than the NI engineers here.  I would also try the company that sold you Dasylab.  We specialise in the aquisition of data from our hardware and are a little less familiar with the statistics functions.

However looking at your problem it seems that the function will only work on a set number of values.  You might not be able to do as you have asked.

I have also attached some scanned pdf's (this took ages) that may help you out.

Thanx

AdamB

Message Edited by AdamB on 10-18-2006 10:46 AM

[CJ_Butler__DASYLab_Pro]

Alan,

The Action module is usually asynchronous - using it to reset the Statistics works for slowly changing signals, but not necessarily for quickly changing signals.

There may be other ways to accomplish what you need - can you describe your data better? Sampling rate, frequency of the tacho signal, etc. ?