If you are controlling the wheel via LV DAQ, you should be able to
translate the AO voltage to a RPM value. Then, based on this RPM
value, take data for a time period equal to one revolution.
If you don't know the translation from V to RPM or are not controlling
the wheel through LV, you may
Can you turn the target wheel motor on and then physically restrain it
from turning (e.g with your finger) without damaging the motor? If
so, start the motor, hold the target at a known position, start data
logging, then release the target. This should give you a profile of
the target. It won't
This question is way too open-ended for a concise answer here.
You need to do a little research and learing by using the NI Example
Finder and looking around NI.com for examples. LabVIEW help is also
very useful.
Dave.
I tried yours and the same thing happens. What version of LV are you
running?
Years of working with GPIB has taught me many things, but the most
important has been that when it works, it's great, when it doesn't,
it's very frustrating. 10 meters might be a problem, but I doubt it.
GPIB will usually work 25-50% beyond the written specs, especially
with so few instruments on
Please, we need a little more information if any of us are to help
out. Do you have 20 sets of data or 20 points? You want to pick 5
points at random to determine the range? Is the data vs. time, X vs.
Y or just sequential? How is the data collected (1D array, 2D array,
cluster, string,
Everyone does it to their own tastes and needs, but I think using
Access or XML is a little over-doing it, since most config data is
limited to a few lines of text. For 1D config data (one parameter,
one value), I use a .txt or .ini file. If the config data is 2D
(multiple values for each
Joe's right. This is the only way to reliably do it. I run into this
problem all the time. Everytime MS comes out with a new version of
Excel, the ActiveX library changes and is no longer compatible with
the LV ActiveX calls set up for previous versions, so you basically
have to rewrite the
