UCTI SPACC 07 LabView Introduction

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Data Acquisition

System Programming and Computer ControlCT047-3-2-SPCC

Level-2

Prepared by: First Prepared on: 10-9-07 Last Modified on:Quality checked by: xxx

Copyright 2007 Asia Pacific University college of Technology and Innovation



CT014-1 Hardware, Systems Software and Networks

In This Lesson, You Will• Build a measurement system with new NI data

acquisition (DAQ) tools – Learn the parts of a typical DAQ system and their functions – Quickly set up and configure your DAQ system – Efficiently develop the application software for your DAQ

system – Understand each measurement type: AI, AO, DIO, CTR

• Learn about real-world applications for DAQ

• Discover why NI data acquisition technologies areessential for reducing your total development time andcost




Profile• Leaders in Computer-

Based Measurement and Automation

• Long-Term Track Recordof Growth and Profitability

• $660M Revenue in 2006• More than 4,100

employees; operations in40+ countries

•Fortune’s

100 BestCompanies to Work ForEighth Consecutive Year




What we do… • Revolutionize measurement and automation

– Monitor and control traditional instruments and automationdevices

– Replace them at a lower cost

How we do it… • Leverage mainstream PC, network, semiconductor technologies

User-friendly softwareCost-effective, modular hardwareHighly integrated driver software

= Virtual instrumentation Bringing Automation to Measurement, and Measurement to Automation


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Today’s Designs: ConvergingComplexity

Automotive

Telematics

CD+RW

AM/FM Stereo

DVD+RW

PC/WWW/

Email

Navigation Cellular

Phone

Satellite CarAlarm/Radio

TV Games

RemoteDiagnostics

http://www.rca.com/product/viewmodellist/browseproduct/1,1323,CI102,00.html?



Today’s Challenges: The TraditionalApproach

Oscilloscope

LogicAnalyzer

Spectrum Analyzer

DMM

CommunicationsAnalyzer

LCR Meter

FunctionGenerator

Power Supply

Pattern Generator

ProgrammableSwitch Automotive

Telematics

http://re/Hewlett%20Packard%2035670A%20%20Dynamic%20Signal%20Analyzer%20on%20avalontest.com

http://re/Fluke%208840A%20DMM,%205%201%2F2%20digit%20on%20avalontest.com



• Lower cost• Higher performance• Smaller size• Flexible• Easily upgraded• User-defined

• Lower cost• Higher performance• Smaller size• Flexible

• Lower cost• Higher performance• Smaller size

The NI Value Proposition



Who Chooses NI?Eighty-five percent of Fortune 500 manufacturing companies

have adopted NI virtual instrumentation.



Customer-DefinedPC-Based Measurement and

Automation SolutionsTraditional Vendor-Defined

Instruments

What is Virtual Instrumentation?

Processor

RAM

ROM

Display

PowerSupply

Hard Disk



What is Virtual Instrumentation? (continued)Measurement Services &

Application Software

Modular Hardware

Sensors or Unit Under Test (UUT)




Virtual Instrumentation Applications

• Test – Physical/environmental

measurements – Prototype validation – Manufacturing test – And more…

• Control – Industrial monitoring and control – Motion control – And more…

• Design – Simulation and prototyping – Design characterization – And more…

Data

Acquisition




Developing a DAQ System – FourSteps

SystemSpecification

SystemSetup

SoftwareDevelopment

SystemTest and

Calibration

Source: 2004 National Instruments Survey of DAQ Customers and Prospects, n = 377




System SpecificationSystem specification accounts for 7% of the total cost of data

acquisition*

• Choose the right hardware and software• Helpful resources

*Source:2004 National Instruments Survey of DAQ Customers and Prospects, n = 377

SystemSpecification

SystemSetup

SoftwareDevelopment

SystemTest and

Calibration




What is a DAQ System?

V

Input Signals

Output Signals

V

i

Application Software (LabVIEW)

S i g n

a l

C

o n d i t i o n i n

g

A/DD/ADIOTIO

Measurement Services Software(NI-DAQmx)




DAQ Hardware Options

PXI Portable/Handheld

Ethernet, Serial, or Wireless

Distributed Desktop




• More Performance – Up to 18-bit resolution – Up to 1.25 MS/s sampling

rates

– NI-MCal: 5x accuracyimprovement• More I/O

– Up to four analog outputs – Up to 48 digital I/O

• More Value – Lower prices

M Series – Next Generation DataAcquisition




Modular Signal Conditioning

SCXI

Integrated Signal Conditioning

PXI InstrumentsSC Series

FieldPointSCC

USB-9200 Series

Signal Conditioning Hardware Options




Data Acquisition Hardware

Test and Data Management SoftwareNI TestStand, DIAdem

Measurement and Control Services:NI-DAQmx or NI-DAQmx Base

MeasurementStudio

Visual Studio Components

LabWindows/CVI

ANSI C Development

LabVIEWGraphical Development

DAQ Software Options

Application Development Software

SignalExpressVI Logger

Interactive Tools




Application Software

Driver Engine

Hardware

Basic Data Acquisition Driver

Typical Driver Software




NI-DAQmx Measurement & Control Services

LabVIEW

ConfigurationManager

DAQ Assistant

API

Driver Engine

Hardware

Measurement Services – NI-DAQmx• Streamlined API

– Polymorphic functions – Automatic code generation

• Improved DriverArchitecture – Multithreaded

measurements – Instant calibration – 20x faster for single-point

operations – Code generation

b h l l




LabVIEW Graphical DevelopmentEnvironment

• Compiled graphical developmentenvironment

• Development time reduction of four to tentimes

• Tools to acquire, analyze, and present yourdata

l f l f S




Helpful Resources for SystemSpecification

• NI Field Engineers – Local to your area – Available to consult on your application,

recommend products, etc.

• Online product advisors – Available for many

types of products on

ni.com/advisor




System Setup and Configuration

• USB DAQ• Sensors Plug&Play• NI-DAQmx

• Measurement & Automation Explorer (MAX)configuration utility

System setup accounts for 23% of the total cost of dataacquisition*

* Source: 2004 National Instruments Survey of DAQ Customers and Prospects, n = 377

SystemSpecification

SystemSetup

SoftwareDevelopment

SystemTest and

Calibration




Plug&Play DAQ Systems• USB DAQ

– Plug-and-play installation – Automatic driver association – No rebooting computer – Ready-to-run data logger included with

some devices

• Sensors Plug&Play – Based on IEEE 1451.4 – Confirm sensor connection – Eliminate paper data sheets – Remove data entry errors

• Faster setup – Decrease setup steps by up to 50%

Measurement and Automation Explorer




Measurement and Automation Explorer(MAX)

Deviceconfiguration

and connectionmanagement

Built-in test panel

windowsTask andchannelcreation

Signal connectiondiagrams




Exercise 1 – Configuring DAQSystem in MAX

5 Minutes per Station




Developing a DAQ SystemSoftware development accounts for 30% of the total cost of data

acquisition*

• AI/AO/DIO/CTR/Triggering/Synchronization• NI-DAQmx Measurement Services software•

LabVIEW development environment* Source: 2004 National Instruments Survey of DAQ Customers and Prospects, n = 377

SystemSpecification

SystemSetup

SoftwareDevelopment

SystemTest and

Calibration




Software Development Tools

• Configuration-based tools – SignalExpress (Test, Design) – VI Logger (Test)

• Programming tools (Test, Control, Design) – LabVIEW – LabWindows/CVI – Measurement Studio for Visual Studio.NET




Q & A

Question and Answer Session

Documents

UCTI SPACC 07 LabView Introduction