National Instruments Measure Data Acquisition, Руководство пользователя

Страница: 19 / 98

Chapter 2 Getting Started with Data Acquisition Tasks
Measure Data Acquisition User Manual 2-6 © National Instruments Corporation
1. From the DAQ Task dialog box, select AO from the Create a task
section of the dialog box to display the Analog Output
Configuration dialog box, shown in Figure 2-5.
Figure 2-5. Analog Output Configuration Dialog Box
2. Type
0
in the Channel input field.
3. Type
$A$1:$A$10
in the Data cells input field. You manually
can type this range, or highlight the input field and drag particular
areas of your worksheet to specify a cell range. This parameter
specifies which cell values are used as analog output values.
4. Click on the Add button.
5. Type
10
in the Number of iterations input field. The number of
iterations determines how many times Measure outputs the values
specified in the cell range. You can type a value of
0
in this field
for continuous output of the values.
6. Type
1000
in the Updates per second input field. As in acquiring
data, you must specify an update rate to determine how fast the
data outputs through the analog output channel.
7. Type
Output 10 iterations
in the Task Name input field.
8. Click on the Description button, and type
Output 10
iterations of data on analog output Channel 0
for the description of your analog output task. Click on the OK
button.
9. Now you have finished configuring your first Measure analog
output task. Click on the OK button to return to the DAQ Tasks