LabVIEW™ Hands-On Seminar An Introductory Look at Graphical Development ni.com
Agenda • Overview • Data acquisition with LabVIEW • Instrumentation with LabVIEW • The LabVIEW platform • LabVIEW beyond the seminar • Appendix topics ni.com
Computer-Based Measurement and Automation Application Software Hardware and Driver Software GPIB Corporate Serial Network DAQ VXI Image Acquisition Motion Control Process PXI or Unit under Test ni.com ni.com
Measurement and Automation Software Platform ni.com
LabVIEW Graphical Development • Wires and icons • Compiled graphical development environment • Development time reduction of 4 to 10X • Complete programming environment ni.com
Programming Paradigm • Front panel – Graphical user interface – Controls and indicators • Block diagram – Source code window – Rapid code development – Self-documenting ni.com
Dataflow Programming Plot Execute RMS in parallel Save • Wires pass data (nonlinear) • Data flows from sources to sinks • Diagram can execute multiple operations in parallel ni.com
Hierarchy of VIs • Modular design • Reusable building blocks • Hierarchal system ni.com
Multiplatform Compatibility Migrate Applications Transparently between Platforms ni.com
Explore LabVIEW ni.com
Data Acquisition ni.com
Data Acquisition Basics • NI-DAQ driver software • Measurement devices for: – Analog and digital I/O – Counter/timers – Networked applications – Plug-in or industrial systems • Signal conditioning through SCXI or built-in ni.com
DAQ Host Platforms PXI VXI Desktop Laptop PXI/SCXI FieldPoint ni.com
Why Desktops? • Advantages – Latest technologies – Inexpensive – Readily available • Disadvantages – Rack-mounting difficult – Not rugged – Few expansion slots ni.com
Why PXI/CompactPCI? • Advantages – Well-suited for rack-mounting – Rugged – More slots PXI – Backplane timing and triggering – Embedded or external control – Same software as desktops – DAQ and SCXI in same chassis • Disadvantages PXI/SCXI – Cost compared to desktop ni.com
Scalable DAQ Solutions VXI PXI PCI, ISA Ethernet PCMCIA Laptop Network Desktop Industrial Workstation NI provides solutions for all your development environments. ni.com
DAQ Solution Wizard Common and Custom Applications ni.com
Measurement & Automation Explorer ni.com
Explore LabVIEW ni.com
Instrumentation ni.com
Instrument Drivers and Application Software • LabVIEW Application • Measurement Studio Software • Visual C/C++ (Program) • Visual Basic… Instrument Driver Instrument ni.com
Interchangeable Virtual Instruments • High performance – State-caching • High productivity – Simulation • Lower maintenance cost – Instrument interchangeability • Two-tier architecture – Specific driver (one instrument) – Class driver (any instrument) ni.com
Technical Enterprise PCI GPIB Serial I/O USB Wireless 1394 ni.com N N N N
Technical Enterprise Web Browsers Internet Database Data Analysis/Reporting Information Management Wireless Measurement IP Nodes - Ethernet Nodes N N N N GPIB/Serial Distributed I/O PCI PXI Real-Time GPIB Serial I/O USB Wireless 1394 ni.com N N N N
Explore LabVIEW ni.com
LabVIEW — Beyond the Seminar ni.com
LabVIEW Benefits • Rapid application development • Tight integration between software and hardware • High-performance compiled execution • Long-term compatibility • Open development environment ni.com
National Instruments Benefits User Defined Vendor Defined DISPLAY AND CONTROL • Limited expansion • Network/Internet connectivity • Fixed functionality • Customizable functionality • • Fixed interface Software defined interface ni.com
Global Support and Services • Support and Services – ni.com/support • NI Alliance Program – ni.com/alliance • Training – ni.com/training • Literature – ni.com/library ni.com
Training Services • Fundamentals courses • Advanced courses • Technical Workshops • Custom On-Site courses • Austin, TX and Nationwide ni.com
LabVIEW Fundamentals • Learn the LV environment • Understand and use key features • Develop real applications with LV • Develop high speed LV code • Learn how to use LV to publish or subscribe data ni.com
LabVIEW Advanced Performance & Communication • Optimize your LabVIEW code • Interface LabVIEW to PC networks • Manage memory usage for large applications • Synchronize VI execution • Control remote applications • Communicate with external APIs ni.com
Questions or Comments? ni.com/labview ni.com
Appendix A: The LabVIEW Platform ni.com
LabVIEW Development Systems • Base Package • Full Development System • Professional Development System • Software Subscription Program ni.com
LabVIEW Real-Time Module • Real-time data acquisition and control • Dedicated processor for reliable performance • Scalable hardware targets for custom solutions ni.com
LabVIEW Datalogging and Supervisory Control Module Ideal tool for monitoring applications • Built-in tools for: – Tag management – Alarm and Event management – Distributed logging – Trending – Easy networking – Security • Event-driven architecture • OPC connectivity ni.com
Machine Vision and Image Processing • Machine vision and scientific imaging – Inspection – Gauging – Pattern matching – Color matching – Blob analysis and morphology • Vision Builder • Optical character recognition ni.com
Motion Control • Easy-to-use – Configuration – VIs • Powerful feature set • Easy integration – Data acquisition – Vision • Single and multi-axis • Servo and stepper motors ni.com
Application Builder • Generates executables or shared libraries (DLLs) • Creates installers for distribution • Installs directly into LabVIEW environment • Royalty-free ni.com
Internet Toolkit • E-mail E-mail FTP/Telnet Web • FTP • CGI • Telnet ni.com
SPC Toolkit • Control charts • Process statistics • Pareto analysis ni.com
Database Connectivity Toolset • Insert, select data from OLE DB, ODBC databases – Microsoft Access, SQL Server, Oracle, etc. • Create, drop tables • Save records in XML format • Execute SQL queries – Immediate, parameterized • Execute stored procedures • Accept, reject multiple operations (transactions) ni.com
Report Generation Toolkit for Microsoft Office • Create Microsoft Word, Excel reports – Text, tables, graphs, pictures • Control formatting – Fonts, colors, alignment, etc. • Populate templates • E-mail reports • Run macros ni.com
PID Control Toolset • PID Control – Autotuning – Gain scheduling • Fuzzy Logic – Control strategies – Decision making ni.com
System Simulation & Design Toolset • Common control elements • Hardware integration • Different system representations • Dynamic system response • Bode, Nyquist, and root-locus plots ni.com
Signal Processing Toolset • Joint Time-Frequency Analysis • Super-resolution spectral analysis • Wavelet and filter bank design • Digital filter design ni.com
Sound & Vibration Toolset • Sound/Vibration level measurement – Conventional sound/vibration measurement technique • Fractional Octave analysis – Offers ANSI/IEC standard compliant measurement – Provides useful analysis because it is similar to how people perceive sound • Measurement oriented – Units – Frequency-domain calibration • Display – Waterfall plot ni.com
TestStand • Off-the-shelf, Database SPC Test customizable test Management Config Services executive Reports Mgmt • Executes tests Test Modules written in most popular languages Measurement Services • Automatic report generation – Text – HTML/XML – Database ni.com
Developer Suite Comprehensive Software Subscription Program • Development environments – LabVIEW, Measurement Studio • Add-on toolkits and accessories – Database, Internet, Signal Processing… • Application specific software modules – TestStand, Datalogging and Supervisory Control Module, LabVIEW Real-Time Module • Automatic quarterly software updates ni.com
Recommend
More recommend
