Chapter 1
Installing and Configuring the SCXI-1126
©
National Instruments Corporation
1-21
Configuring Using NI-DAQmx
To configure the SCXI-1126 using NI-DAQmx, complete the following
steps:
1.
Right-click
Data Neighborhood
and select
Create New
.
2.
Select
DAQmx Task
or
DAQmx Channel
. To configure multiple
channels, select
DAQmx Task
. Otherwise, select
DAQmx Channel
.
3.
Click
Next
.
4.
Select
Analog Input
then select
Frequency
and click
Next
.
5.
If you are creating a task, keep the
Create New Local Channels
selected and select the channels to add to the task. You can select
blocks of channels by pressing the <Shift> key while making the
selections or individual channels by pressing the <Ctrl> key while
making the selections. If you are creating a channel, you can select
only one channel. Click
Next
.
6.
Select the name of the task or channel, and then click
Finish
.
You can now set the frequency range, filter frequency, threshold level, and
threshold hysteresis.
Frequency Range
To set the frequency range, complete the following steps:
1.
Select the channel(s) you want to configure for frequency range.
You can select blocks of channels by pressing the <Shift> key while
making the selections or individual channels by pressing the <Ctrl>
key while making the selections.
2.
Under the
Settings
tab, set the input range by entering the
Min
and
Max
values.
3.
Repeat steps 1 and 2 until you have configured all the channels.
Filter Frequency
To set the filter frequency, complete the following steps:
1.
Select the channel(s) you want to configure for filter frequency.
You can select blocks of channels by pressing the <Shift> key while
making the selections or individual channels by pressing the <Ctrl>
key while making the selections.
2.
Under the
Device
tab, click the down arrow to set the lowpass filter
cutoff frequency and select the desired filter.
3.
Repeat steps 1 and 2 until you have configured all the channels.
