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Noise pickup in Labview but not in MAX?

Hello,
 
I'm having some problems with picking up what i assume are noise peaks while running labview VI's. These peaks are not present when i look at MAX... only through labview. For example, i get periodic peaks of +- 2 degrees in a simple TC VI. Same thing occurs with other VI's i have created. Could i be missing something in my programming, or is it simply a physical connection somewhere?
 
Thanks,
Mike
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Mike,
 
Are you using the same data acquisition rate? It is hard to see how it could be a physical connection if you are sure you are using the same analog input channel. Is the input configuration the same (Differential, RSE, or NRSE)?
 
Allen
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Also check if you are setting similiar high and low limits for that particular channel, in both MAX and your VI
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