Chapter 2 Getting Started with Data Acquisition Tasks
Measure Data Acquisition User Manual
2-4
© National Instruments Corporation
example in which there is only one channel specified, the number
of scans is equal to the number of points acquired from channel 0.
If you were to specify two channels in your channel list, 100 scans
would result in 200 points of data acquired (100 from each
channel).
Type
100
in the Number of Scans field.
3.
The Scan Rate section of the dialog box is where you specify how
fast you would like to acquire the data. The default setting of 1000
scans per second means that you acquire a single point from each
channel in your channel list 1000 times per second.
Type
1000
in the Scans/second field.
4.
The Display section of the dialog box is where you specify the
cells on your worksheet to contain the acquired data. You
manually can type in a spreadsheet address, such as
$A$1
, or you
can highlight the input field and use your mouse to select an area
on the spreadsheet to place your acquired data. Measure begins
with the upper-left most cell in the range that you supply and
places the data in rows or columns from that point in the
worksheet.
Type
$A$1
to place the 100 elements of data in the first column of
your worksheet.
5. Type the name
Read Channel 0
in the Task Name field.
6. Click on the Description button to add a description for your task
under development, shown in Figure 2-3. Type
Acquire 100
points of data from channel 0
in the Task
Description dialog box, and click on the OK button.
Now you have finished specifying your first Measure analog input
task.
Figure 2-3. Task Description Dialog Box
