National Instruments SCXI -1125 用户手册

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页码 101
Chapter 3    Configuring and Testing
3-6
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Creating a Virtual Channel
To create a virtual channel, complete the following steps:
1.
Right-click Data Neighborhood and select Create New.
2.
Select Traditional NI-DAQ Virtual Channel and click Finish.
3.
Click Add Channel.
4.
Select Analog Input from the drop-down list and click Next.
5.
Enter the Channel Name and Channel Description, and click Next.
6.
Select Voltage from the drop-down list and click Next.
7.
Enter the units and input range, and click Next.
8.
Select the appropriate scaling option and click Next.
9.
Enter the following information:
10. What DAQ hardware will be used? from the drop-down list.
a.
What channel on your DAQ hardware? from the drop-down list.
b.
Which analog input mode will be used? from the drop-down list.
11. Click Finish.
Verifying the Signal
This section describes how to take measurements using test panels in order 
to verify signal, and configuring and installing a system in NI-DAQmx and 
Traditional NI-DAQ (Legacy).
Verifying the Signal in NI-DAQmx Using a Task or Global Channel
You can verify the signals on the SCXI-1125 using NI-DAQmx by 
completing the following steps:
1.
Expand Data Neighborhood.
2.
Expand NI-DAQmx Tasks.
3.
Click the task.
4.
Click the Add Channels or Remove Channels button to add/remove 
channels.
5.
In the window that appears, click the + next to the module of interest.
6.
Select the channel(s) you want to verify. You can select a block of 
channels by holding down the <Shift> key or multiple channels by 
holding down the <Ctrl> key. Click OK.
7.
Enter the appropriate information on the Settings tab.