What You ll Do Today. Learn LabVIEW fundamentals Acquire temperature signal Output warning light based on alarm level Write data to file

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2 What You ll Do Today Learn LabVIEW fundamentals Acquire temperature signal Output warning light based on alarm level Write data to file 2

3 National Instruments at a Glance Leaders in Computer-Based Measurement and Automation Long-term Track Record of Growth and Profitability NI HQ Record Revenue: $740M in 2007 Fortune 100 Best Companies to Work For nine years in a row More than 4,900 employees; operations in 40+ countries Founded in 1976 with focus on Instrument Control LabVIEW 1.0 released in 1986 $800 $700 $600 $500 $400 $300 $200 $100 $0 Net Revenue in Millions '77 '79 '81 '83 '85 '87 '89 '91 '93 '95 '97 '99 '01 '03 '05 '07 3

4 Virtual Instrumentation with LabVIEW Automated Test Industrial Modular I/O Software-defined behavior Embedded 4

5 Virtual Instrumentation Case Study Application Boeing used LabVIEW and 70 PXI chassis to collect over 300 channels of acoustic data simultaneously in their research to decrease noise during takeoff NI Products LabVIEW, PXI "Using NI software and hardware, we were able to create a high-end, low-cost system that could distribute the acquisition system across multiple chassis, tightly synchronize all channels, provide high channel count with full bandwidth on all channels simultaneously, and allow virtually unlimited channel-count expansion. -- James Underbrink, Boeing Aero/Noise/Propulsion Laboratory 5

6 What is LabVIEW? 6

7 LabVIEW is a Programming Language Graphical Programming Data types Structures (i.e. loops, case, event handling) Standard functions (i.e. File I/O) Reuse external code Compiles to machine code Automatic multithreading 7

8 LabVIEW is a Development Environment Debugging tools Assistants Configurable functions I/O Finder Easy UI Development Software Engineering Tools Performance Tools 8

9 LabVIEW Has Built-in Engineering Libraries In-line and off-line analysis and control Signal processing Analysis and filtering Complex math PID Vision Motion 9

10 LabVIEW Easily Connects to Hardware I/O instruments from over 250 vendors PCI, PCIe, PXI, USB, Ethernet, serial, GPIB, and CAN devices Modular data acquisition hardware from DC to the GHz range Motion control stages Cameras Hundreds of PLCs 10

11 Exercise: Open and Run Final Application Explore final application Acquire, analyze and display temperature signal 11

12 LabVIEW Fundamentals 12

13 The LabVIEW Environment VI = program or function Front Panel = user interface Block Diagram = code 13

14 Controls & Indicators Knobs/Dials Graphs/Charts Buttons Digital Displays Sliders Thermometers Customize and create your own 14

15 Finding Front Panel Objects Controls Palette Controls Quick Drop or Right-click on Front Panel Browse by object hierarchy Press <ctrl + space> to bring up Search by object name 15

16 Functions and Express VIs Standard VIs Configuration Based Express VI 16

17 Dataflow Programming Both Simulate Signal Express VIs execute simultaneously Comparison waits until all inputs are present, then executes Once executed, output from comparison continues through code 17

18 Wires and Data Types Transfer data between block diagram objects through wires Wires are different colors, styles, and thicknesses, depending on their data types A broken wire appears as a dashed black line with a red X in the middle Scalar 1D Array 2D Array DBL Numeric Integer Numeric String 18 18

19 Execution Control Structures While Loop Run until stop condition met For Loop Run N times Allow same piece of code to run multiple times Exit conditions different for each 19

20 Finding Block Diagram Functions Functions Palette Functions Quick Drop or Press ctrl + space to bring up Search by object name Right-click on Block Diagram Browse by object hierarchy 20

21 Instructor Demo: Creating a Basic VI Use basic LabVIEW objects Simulate signal and display 21

22 Exercise: Simulate Signal to Graph Simulate various signals Write to Graph 22

23 Built-in Programming Assistance Highlight Execution Block Diagram Cleanup Context Help 23

24 Instructor Demo: Using Help Tools Use Highlight Execution, Context Help and Block Diagram Cleanup 24

25 Data Acquisition with LabVIEW 25

26 PC-Based Data Acquisition (DAQ) 26

27 NI DAQ Platforms One application, multiple targets USB Wireless PCI CompactDAQ PXI 27

28 Today s DAQ System Hi-Speed USB 2.0 Mix and Match over 50 modules Built-in Signal Conditioning Direct sensor connectivity NI CompactDAQ Hot-swappable modules 28

29 CompactDAQ Door Rattle Noise Analyzer Application SM Instruments used LabVIEW and CompactDAQ to design a portable Sound Camera to analyze unwanted noise in automobile testing. NI Products LabVIEW, CompactDAQ We need a quote here to highlight how great LabVIEW, cdaq and S&V are for making advanced portable solutions. - Youngkey Kim, CEO, SM Instruments 29

30 Exercise: Taking a Basic Measurement Acquire temperature signal Write to graph 30

31 Analysis and Signal Processing 31

32 LabVIEW Signal Processing, Analysis and Math Signal Processing & Analysis Waveform Generation Waveform Conditioning Waveform Monitoring Waveform Measurements Signal Generation Signal Operations Windows Digital Filters Spectral Analysis Transforms Point-by-Point Mathematics Numeric Elementary and Special Functions BLAS/LAPAC-based Linear Algebra Curve Fitting Interpolation / Extrapolation Probability and Statistics Optimization Ordinary Differential Equations Geometry Polynomial Formula Parsing 1D & 2D Evaluation Calculus 32

33 Using Analysis Functions Programmatic, Low-Level VIs Configuration Based Express VIs Text-based MathScript Node 33

34 Advanced Analysis - Mind/Computer Interface Application University of Illinois engineering students worked with LabVIEW to develop a device that translates thought into control commands. NI Products Signal Processing in LabVIEW USB DAQ LabVIEW simplifies development and encourages innovation by offering an intuitive graphical programming approach; you can focus on innovation rather than programming details. - Michael Callahan, CEO, Ambient 34

35 Exercise: Add Analysis and Output Acquire temperature signal Average and monitor Output based on alarm value 35

36 Control for Steel Rolling Mill Application I 2 S combined LabVIEW with NI CompactRIO to create a gamma-based, high-speed thickness measurement device to control sheet thickness in a steel rolling mill NI Products LabVIEW, LabVIEW FPGA, crio With NI LabVIEW graphical programming tools, we quickly programmed the FPGA and realtime processor in CompactRIO. Because CompactRIO and our PLCs are Ethernet based, we successfully integrated the CompactRIO PAC with our control systems to optimize our rolling mills with minimal changes to our existing control architecture. Clark Hummel, I 2 S Images: Integrated Industrial Systems (I2S) 36

37 Reporting and Data Visualization 37

38 Data Visualization and Communication Visualization Reporting and Data Storage Built-in user interface objects Charting and graphing capabilities Remote application control File I/O functionality HTML reports for the Web Microsoft Word and Excel reports 38

39 LabVIEW Supported Storage Types ASCII Binary HTML XML LVM TDM(S) * Excel Word Datalog Databases 39

40 Chengdu Huari RF Spectral Monitoring Application Huari Telecom required a solution to improve measurement speed for spectral monitoring, directional finding, and signal identification as well as to expand wideband signal and multiple-channel measurement capability. NI Products LabVIEW, PXI, RF Modular Instruments We significantly improved the functionality and performance of our radio monitor and directional finding systems by using NI RF modules and PXI platform. - Jingyou Mo, President, Huari Telecom

41 Exercise: Write to File Acquire temperature signal Average and monitor Output based on alarm value Write to File 41

42 Next Steps 42

43 Worldwide LabVIEW User Community Over 50,000 members on awardwinning NI Discussion Forums NI and LabVIEW user-contributed blogs More than 100 LabVIEW User Groups Third-party community web sites in over 15 languages Hundreds of third-party add-on tools on the LabVIEW Tools Network 43

44 Learn More about NI LabVIEW and NI DAQ Systems Check out additional LabVIEW exercises for Automated Test, Industrial Measurement and Control and Embedded: View DAQ product specs and demos: 44

45 Software Maintenance and Support Membership in a National Instruments software maintenance and support program allows you to: Receive software updates and maintenance releases automatically Enjoy direct access to technical support from NI applications engineers Access special online software training modules that highlight features, application uses, and development best practices Visit ni.com/services to learn more 45

46 Training and Certification Together, the National Instruments training and certification programs deliver the fastest, most certain route to increased proficiency and productivity using NI software and hardware. NI Training: Build Your Knowledge NI training helps you build the skills to more efficiently develop robust, maintainable applications. We provide several training options including classroom, self-paced, online, or on-site training at your facility. NI Certification: Validate Your Expertise NI certification confirms your technical growth and skill. This professional certification is ideal for differentiating yourself from the competition and making your own informed hiring and outsourcing decisions. Visit ni.com/training to learn more 46

47 Multicore Programming 47

48 Automatic Multithreading in LabVIEW LabVIEW automatically divides each application into multiple execution threads (introduced in 1998 with LabVIEW 5.0) Parallel code paths will execute in unique threads thread thread thread 48

49 LabVIEW and Multicore Application: Eaton Corp. created a portable in-vehicle test system for truck transmissions. Using the same LabVIEW code on multicore processors increased their overall throughput without having to change application code. NI Products: LabVIEW, USB DAQ, CAN There was no need to rewrite our application for the new multicore processing platforms. - Scott Sirrine, Eaton Truck Division 49

50 LabVIEW Modules and Toolkits 50

51 LabVIEW Real-Time Module Rapidly develop deterministic applications with graphical programming Easily architect distributed control and monitoring systems Eliminate time spent integrating diverse I/O 51

52 LabVIEW Datalogging and Supervisory Control Module Graphical development for distributed monitoring and control systems Trend real-time and historical data Log data from any networked I/O to a historical database Monitor and log alarms and events Network LabVIEW Real-Time targets and OPC devices Add security to LabVIEW user interfaces 52

53 LabVIEW FPGA Module Define custom FPGA I/O without VHDL programming Achieve hardware deterministic response within 25ns Execute tasks with true parallelism R Series Intelligent DAQ NI CompactRIO 53

54 LabVIEW Touch Panel Module NI TPC-2006 Create custom human-machine interface (HMI) applications for the NI TPC-2006 and other Windows CE devices 54

55 LabVIEW Statechart Module Statecharts provide high-level abstraction for state based applications Simple semantics represent complex systems Self-documenting design Integrate statecharts into existing LabVIEW applications Generate code for desktop, Real-time, FPGA, and embedded targets 55

56 LabVIEW Mobile Module Wireless communication with shared variable Portable low-cost USB DAQ 56

57 NI Vision Development Module LabVIEW programming libraries for machine vision and image processing Includes Vision Assistant Prototypes and benchmarks applications Generates complete code for LabVIEW, Visual Basic, and C Hundreds of tools to: Enhance images Check for presence Locate features Identify parts Measure objects 57

58 Motion Control with LabVIEW NI Motion Assistant Interactive environment with 3D visualization Ready-to-run LabVIEW or C code creation Easy trapezoidal or S-curve velocity profile implementation Teach pendant for easy prototyping NI SoftMotion Controller for CANopen and IEEE 1394 Use LabVIEW and NI Motion Assistant to program distributed motion control applications Compatible with intelligent CANopen drives from Copley and IEEE 1394 drives from ORMEC NI SoftMotion Development Module Develop custom motion controllers in LabVIEW Real- Time or LabVIEW FPGA Use trajectory generation, spline interpolation, position, velocity control, and encoder implementation VIs 58

59 LabVIEW Sound and Vibration Toolkit 10 Express VIs Fractional Octave Analysis with Weighting Vibration Level with Single or Double Integration Sound Level with A-, B-, C- Weighting Power Spectrum Zoom Power Spectrum Frequency Response Peak Search Power in Band Limit Testing 59

60 LabVIEW Order Analysis Toolkit Gabor order tracking algorithm analyzes signals from rotating machinery Resampling order analysis for online condition monitoring Flexible order energy selection in the joint timefrequency domain Plot order versus time or RPM Order extraction tools separate order-specific signal components Digital and analog tachometer signal processing 60

61 PID Control Toolkit PID Control Autotuning Gain scheduling Fuzzy Logic Control strategies Decision making 61

62 Report Generation Toolkit for Microsoft Office Programmatically create and edit reports in Microsoft Word and Excel Populate report templates Manage report layout, format, and appearance reports and run macros Express VI included 62

63 LabVIEW Advanced Signal Processing Toolkit Time-Frequency Analysis Time-Series Analysis Wavelet and filter bank design Applications Automotive Biomedical Seismology Radar/Sonar 63

64 Database Connectivity Toolkit 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) 64