Different results from MAX and Labview

Hi all,
We did an impact testing a couple of days ago, and I got very big acceleration (the peak is about 300g, which is much larger than the estimated value).
And then I tried a small imact test in the lab using a steel plate which is less than 1 lb to impact a steel ruler, I still got big peak number (more than 200g, which is impossible). And then I tried the small impact test again by using MAX, the peak number is about 12g, and the curve seems like pretty reasonable. I was wondering why I got different results by using MAX and Labview?
Also, sometimes when I connect the SCXI-1001 to the computer, it says the USB is malfuntion and cannot be recgonized by the computer, and turns out the driver file does not exists. But most of the time, it works very well and the driver file does exists. Why this happened?
Thanks.
Yuan

jyuan wrote: but I want to clike one "run button" and get data from strain gage, LVDT, accelerometer at the same time and our tesing duration is just about a few seconds. And also I didn't find a place where I can record the data in MAX
You can do that. A task can only have the same types of inputs, meaning Analog Input, Analog Output, Digital Input, Digital Output, etc. Different sensors are just read with Analog Inputs. So they all can be in the same task. In MAX, just set up a task a configure each channel as it should be. Then use that single task in your LabVIEW code.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
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Attachments:
polynomial_evaluation.jpg ‏213 KB

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943081 wrote:
The idea is to seek help in solving the problem. I was hoping that perhaps someone had experienced the same thing - different results for "effectively" the same query:Well, that's the issue... without additional info, it's not clear what issue you were seeing.
SELECT * FROM view WHERE Date = '01 January, 2012'
verse
SELECT * FROM view WHERE Date > '31 December, 2011' ORDER BY DateNow it's a bit clearer. That second query is not "effectively" the same as the first query. If the date column is in DATE format, then you ought to have a to_date() around the date string to explicitly convert it into a date so you can do date-to-date comparisons correctly. Also, DATE datatype stores times as well as dates, so asking for data matching midnight of a specific date is different than asking for data greater than midnight of the previous day.
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DateID
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Thanks for the replay, Fred, but that wasn't the problem.
I still don't know what the problem was, but in putting together a sample for review, I cleaned up the code a little (I inherited this), and while it
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My workout is as follows..
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1006237 wrote:
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marcelobarbosa wrote:
Does anyone has a clue about what is happening here?
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