Data Acquisition with LabVIEW

Course details

There are thousands of different types of sensors out there, acquiring and measuring data from the real world. But how do you get that data into the computer for processing? LabView is a leading system-engineering platform for interfacing with data-acquisition hardware. In this course, Barron Stone demonstrates how to program LabVIEW to control National Instruments data acquisition (DAQ) hardware and acquire and generate analog and digital signals. Barron provides guidance on choosing devices, setting up LabVIEW, connecting and simulating devices, and acquiring both analog and digital input and output. He also explains how to configure LabVIEW triggers, log data, read files, and connect third-party hardware with the wide variety of instrument drivers available for LabVIEW.

Learning objectives
Choosing a data-acquisition device
Installing LabVIEW
Connecting and simulating devices
Analog input modes
Multiple analog input channels
Configuring triggers
Logging data
Reading files
Analog output
Digital input and output
Counter input and output
Connecting third-party hardware to LabVIEW

Concepts

Introduction

Learn Data Acquisition with LabVIEW
What you should know

DAQ Hardware

What is data acquisition
How to choose a DAQ device
Device specifications and user guide

System Setup

Install LabVIEW and drivers
Verify driver installation
Connect a DAQ device
Test panels
Simulate a DAQ device

Analog Input

Analog input modes
Acquisition timing
Channels and tasks
Analog input with DAQ Assistant
NI-DAQmx API
On demand analog input
Finite analog input
Continuous analog input
Multiple analog input channels
Challenge - Acquire and display a signal
Solution - Acquire and display a signal

Triggering

Types of triggers
Configure a digital edge Start trigger
Challenge - Retriggerable acquisition
Solution - Retriggerable acquisition

Data Logging

Log data with DAQ Assistant
Log data with Write to Measurement File
Read TDMS files with LabVIEW
Read TDMS files with Microsoft Excel

Analog Output

Analog signal generation fundamentals
Analog output with DAQ Assistant
Finite analog output with NI-DAQmx API
Continuous analog output (regeneration)
Continuous output (non-regeneration)
Challenge - Generate a recorded signal
Solution - Generate a recorded signal

Digital I O

Digital signal fundamentals
Digital input with DAQ Assistant
Digital input with NI-DAQmx API
Digital output with DAQ Assistant
Digital output with NI-DAQmx API

Counter I O

Counter fundamentals
Count edges with DAQ Assistant
Challenge - Display edge count value
Solution - Display edge count value

Third Party Hardware

Virtual instrument software architecture
Connect a benchtop oscilloscope
Instrument Driver Network

Conclusion

Next steps