National Instruments 1142 用户手册

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Chapter 3
Configuring and Testing
© National Instruments Corporation
3-3
NI-DAQmx
Using NI-DAQmx, you can configure software settings, such as sensor 
type and gain/input signal range, in the following ways:
Task or global channel in MAX
Functions in your application
Note
All software-configurable settings are not configurable both ways. This section only 
discusses settings in MAX. Refer to Chapter 4, 
, for information about 
using functions in your application.
Depending on the terminal block in use, you can use the 
SCXI-1141/1142/1143 module to make the following types of 
measurements:
Voltage input
Thermocouple
RTD
Thermistors
Current input
Creating a Global Channel or Task
To create a new voltage, temperature, or current input NI-DAQmx global 
task or channel, complete the following steps:
1.
Double-click Measurement & Automation on the desktop.
2.
Right-click Data Neighborhood and select Create New.
3.
Select NI-DAQmx Task or NI-DAQmx Global Channel, and 
click Next.
4.
Select Analog Input.
5.
Select one of the following:
Voltage
Temperature and then select one of the following:
Iex Thermistor
RTD
Thermocouple
Vex Thermistor
Current