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Chapter 5 Analog Output Reference
Measure Data Acquisition User Manual
5-2
© National Instruments Corporation
Table 5-1. Analog Output Configuration Reference
Option
Description
Channel
Specify the analog output channel on which to generate a signal. You
may only specify one channel at a time.
may only specify one channel at a time.
Data cells
Specify the source range of the voltage values to write to the digital-to-
analog converter (DAC) for the channel. Either explicitly type the cell
address, or highlight the text in this field and then select a row of cells
or a column of cells on any worksheet in the workbook. Measure
automatically records the address of your selection in this field.
analog converter (DAC) for the channel. Either explicitly type the cell
address, or highlight the text in this field and then select a row of cells
or a column of cells on any worksheet in the workbook. Measure
automatically records the address of your selection in this field.
Add>>
Click this button after specifying a channel and a data cells range.
Remove
Click this button to remove any channels or source ranges that you
selected in the list box.
selected in the list box.
Number of iterations
Specify the number of times Measure should iterate through the
waveform that you specified for a channel. If you specify
waveform that you specified for a channel. If you specify
0
for the
number of iterations, Measure indefinitely iterates through the
waveform until you run another signal generation task on that same
device or until you exit Excel.
waveform until you run another signal generation task on that same
device or until you exit Excel.
Updates per second
Specify the rate at which Measure writes the voltage values to the
DAC. If you specified more than one channel in your channel list, all
channels will have the same update rate.
DAC. If you specified more than one channel in your channel list, all
channels will have the same update rate.
Task Name
When you create a new AO task, Measure suggests a unique name for
your new task. You can change the name in the Task name edit box;
However, the name must be unique to the active workbook.
your new task. You can change the name in the Task name edit box;
However, the name must be unique to the active workbook.
Description
Click on this button to enter a short description of your task. Measure
displays a description of a task below the task list in the DAQ Tasks
dialog box. Also, if you add your task to the DAQ menu, Measure
displays the task description in the Excel status bar at the bottom of its
window when you select the task from the menu.
displays a description of a task below the task list in the DAQ Tasks
dialog box. Also, if you add your task to the DAQ menu, Measure
displays the task description in the Excel status bar at the bottom of its
window when you select the task from the menu.
Advanced
Click on this button to configure more of the advanced properties for
the analog output task.
the analog output task.
OK
Verify configuration and add a new task or update an existing task in
the data acquisition tasks lists. Return to the DAQ Tasks dialog box.
the data acquisition tasks lists. Return to the DAQ Tasks dialog box.
Cancel
Ignore changes and return to the DAQ Tasks dialog box.