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1、National Instruments Confidential1 LabVIEW Introduction CourseLabVIEW Introduction CourseLabVIEW Introduction CourseLabVIEW Introduction Course Semester Semester Semester Semester National Instruments 11500 N. Mopac Expressway Austin, Texas 78759 (512) 683-0100 2 Graphical Programming for Test, Grap
2、hical Programming for Test, Graphical Programming for Test, Graphical Programming for Test, Measurement, and ControlMeasurement, and ControlMeasurement, and ControlMeasurement, and Control Rapid application development with Express VIs and easy-to-use graphical environment Interactive measurement as
3、sistants and powerful redesigned DAQ interface for connecting to all types of I/O Expanded targeting options from Real-Time to FPGA to PDA Localized in French, German, and Japanese (Korean documentation) 3 Readers of Electronic Design name invention of LabVIEW as one of the Top 50 Milestones for the
4、 Electronics IndustryTop 50 Milestones for the Electronics IndustryTop 50 Milestones for the Electronics IndustryTop 50 Milestones for the Electronics Industry LabVIEW 6.1 receives IAN Automation Excellence Award of IAN Automation Excellence Award of IAN Automation Excellence Award of IAN Automation
5、 Excellence Award of 2002200220022002 Design News awards LabVIEW 6i Best Computer Productivity Best Computer Productivity Best Computer Productivity Best Computer Productivity Tool of 2000Tool of 2000Tool of 2000Tool of 2000 LabVIEW 6i chosen the “ “ “ “Best of the BestBest of the BestBest of the Be
6、stBest of the Best” ” ” ” in the software category by readers of Evaluation Engineering LabVIEW AwardsLabVIEW AwardsLabVIEW AwardsLabVIEW Awards 4 May 2003May 2003May 2003May 2003 January 2002January 2002January 2002January 2002 August 2000August 2000August 2000August 2000 March 1998March 1998March
7、1998March 1998 February 1996February 1996February 1996February 1996 August 1993August 1993August 1993August 1993 September 1992September 1992September 1992September 1992 January 1990January 1990January 1990January 1990 October 1986October 1986October 1986October 1986 April 1983 April 1983 April 1983
8、 April 1983 LabVIEW 7 Express VIs, I/O Assistants, FPGA/PDA targetsLabVIEW 7 Express VIs, I/O Assistants, FPGA/PDA targetsLabVIEW 7 Express VIs, I/O Assistants, FPGA/PDA targetsLabVIEW 7 Express VIs, I/O Assistants, FPGA/PDA targets LabVIEW 6.1 Enhanced networking capabilities, analysis LabVIEW 6.1
9、Enhanced networking capabilities, analysis LabVIEW 6.1 Enhanced networking capabilities, analysis LabVIEW 6.1 Enhanced networking capabilities, analysis LabVIEW 6LabVIEW 6LabVIEW 6LabVIEW 6i i i i Internet-ready measurement intelligence Internet-ready measurement intelligence Internet-ready measurem
10、ent intelligence Internet-ready measurement intelligence LabVIEW 5.0 ActiveX, MultithreadingLabVIEW 5.0 ActiveX, MultithreadingLabVIEW 5.0 ActiveX, MultithreadingLabVIEW 5.0 ActiveX, Multithreading LabVIEW 4.0 Added professional tools, improved debuggingLabVIEW 4.0 Added professional tools, improved
11、 debuggingLabVIEW 4.0 Added professional tools, improved debuggingLabVIEW 4.0 Added professional tools, improved debugging LabVIEW 3.0 Multiplatform version of LabVIEWLabVIEW 3.0 Multiplatform version of LabVIEWLabVIEW 3.0 Multiplatform version of LabVIEWLabVIEW 3.0 Multiplatform version of LabVIEW
12、LabVIEW for WindowsLabVIEW for WindowsLabVIEW for WindowsLabVIEW for Windows LabVIEW 2.0 for MacintoshLabVIEW 2.0 for MacintoshLabVIEW 2.0 for MacintoshLabVIEW 2.0 for Macintosh LabVIEW 1.0 for MacintoshLabVIEW 1.0 for MacintoshLabVIEW 1.0 for MacintoshLabVIEW 1.0 for Macintosh LabVIEW project begin
13、sLabVIEW project beginsLabVIEW project beginsLabVIEW project begins NI LabVIEW: A History of InnovationNI LabVIEW: A History of InnovationNI LabVIEW: A History of InnovationNI LabVIEW: A History of Innovation 5 Third-Party SoftwareThird-Party SoftwareThird-Party SoftwareThird-Party Software Wolfram
14、Research Mathematica Microsoft Excel The MathWorks MATLAB and Simulink MathSoft MathCAD Electronic Workbench MultiSim Texas Instruments Code Composer Studio Ansoft RF circuit design software Microsoft Access Microsoft SQL Server Oracle Leveraging Commercial TechnologiesLeveraging Commercial Technolo
15、giesLeveraging Commercial TechnologiesLeveraging Commercial Technologies Communication ProtocolsCommunication ProtocolsCommunication ProtocolsCommunication Protocols Ethernet CAN DeviceNet USB IEEE 1394 RS-232 GPIB RS-485 6 PC, Mac, Linux, SunPC, Mac, Linux, SunPC, Mac, Linux, SunPC, Mac, Linux, Sun
16、 LabVIEW EverywhereLabVIEW EverywhereLabVIEW EverywhereLabVIEW Everywhere Networked I/ONetworked I/ONetworked I/ONetworked I/O PC BoardsPC BoardsPC BoardsPC Boards WorkstationWorkstationWorkstationWorkstation HandheldHandheldHandheldHandheld EmbeddedEmbeddedEmbeddedEmbedded (FPGA)(FPGA)(FPGA)(FPGA)
17、Industrial Computer (PXI)Industrial Computer (PXI)Industrial Computer (PXI)Industrial Computer (PXI) WirelessWirelessWirelessWireless SensorSensorSensorSensor Tektronix Open Windows Tektronix Open Windows Tektronix Open Windows Tektronix Open Windows OscilloscopesOscilloscopesOscilloscopesOscillosco
18、pes 7 The LabVIEW FamilyThe LabVIEW FamilyThe LabVIEW FamilyThe LabVIEW Family NI LabVIEW Graphical Programming Software for Measurement and AutomationGraphical Programming Software for Measurement and AutomationGraphical Programming Software for Measurement and AutomationGraphical Programming Softw
19、are for Measurement and Automation LabVIEW Real-Time ModuleLabVIEW Real-Time ModuleLabVIEW Real-Time ModuleLabVIEW Real-Time ModuleLabVIEW FPGA ModuleLabVIEW FPGA ModuleLabVIEW FPGA ModuleLabVIEW FPGA ModuleLabVIEW PDA ModuleLabVIEW PDA ModuleLabVIEW PDA ModuleLabVIEW PDA Module LabVIEW Datalogging
20、andLabVIEW Datalogging andLabVIEW Datalogging andLabVIEW Datalogging and Supervisory Control ModuleSupervisory Control ModuleSupervisory Control ModuleSupervisory Control Module 8 Acquire, Analyze, and PresentAcquire, Analyze, and PresentAcquire, Analyze, and PresentAcquire, Analyze, and Present Nea
21、rly all test, measurement, and control applications can be Nearly all test, measurement, and control applications can be Nearly all test, measurement, and control applications can be Nearly all test, measurement, and control applications can be divided into 3 main components: the ability to divided
22、into 3 main components: the ability to divided into 3 main components: the ability to divided into 3 main components: the ability to acquireacquireacquireacquire, , , , analyzeanalyzeanalyzeanalyze, and , and , and , and presentpresentpresentpresent data. LabVIEW is the easiest, most powerful tool f
23、or data. LabVIEW is the easiest, most powerful tool for data. LabVIEW is the easiest, most powerful tool for data. LabVIEW is the easiest, most powerful tool for acquiring, analyzing, and presenting real-world data.acquiring, analyzing, and presenting real-world data.acquiring, analyzing, and presen
24、ting real-world data.acquiring, analyzing, and presenting real-world data. 9 AcquireAcquireAcquireAcquire with LabVIEW with LabVIEW with LabVIEW with LabVIEW LabVIEW can acquire data using the LabVIEW can acquire data using the LabVIEW can acquire data using the LabVIEW can acquire data using the fo
25、llowing devices and more:following devices and more:following devices and more:following devices and more: GPIB, Serial, Ethernet, VXI, PXI Instruments Data Acquisition (DAQ) PCI eXtensions for Instrumentation (PXI) Image Acquisition (IMAQ) Motion Control Real-Time (RT) PXI PLC (through OPC Server)
26、PDA Modular Instruments LabVIEW is tightly LabVIEW is tightly LabVIEW is tightly LabVIEW is tightly integrated with all NI integrated with all NI integrated with all NI integrated with all NI hardware, in addition hardware, in addition hardware, in addition hardware, in addition to connecting to to
27、connecting to to connecting to to connecting to thousands of I/O thousands of I/O thousands of I/O thousands of I/O devices from hundreds devices from hundreds devices from hundreds devices from hundreds of different vendors.of different vendors.of different vendors.of different vendors. 10 AnalyzeA
28、nalyzeAnalyzeAnalyze with LabVIEW with LabVIEW with LabVIEW with LabVIEW LabVIEW includes the following tools LabVIEW includes the following tools LabVIEW includes the following tools LabVIEW includes the following tools to help you analyze your data:to help you analyze your data:to help you analyze
29、 your data:to help you analyze your data: More than 400 measurement analysis functions for Differential Equations, Optimization, Curve Fitting, Calculus, Linear Algebra, Statistics, etc. 12 new Express VIs specifically designed for measurement analysis, including filtering and spectral analysis Sign
30、al Processing VIs for Filtering, Windowing, Transforms, Peak Detection, Harmonic Analysis, Spectrum Analysis, etc. Powerful measurement Powerful measurement Powerful measurement Powerful measurement analysis is built in to the analysis is built in to the analysis is built in to the analysis is built
31、 in to the LabVIEW development LabVIEW development LabVIEW development LabVIEW development environment. environment. environment. environment. 11 PresentPresentPresentPresent with LabVIEW with LabVIEW with LabVIEW with LabVIEW LabVIEW includes the following LabVIEW includes the following LabVIEW inc
32、ludes the following LabVIEW includes the following tools to help you present your data:tools to help you present your data:tools to help you present your data:tools to help you present your data: On your machine Graphs, Charts, Tables, Gauges, Meters, Tanks, 3D Controls, Picture Control, 3D Graphs (
33、Windows Only), Report Generation (Windows Only) Over the Internet Web Publishing Tools, Datasocket (Windows Only), TCP/IP, VI Server, Remote Panels, Email Enterprise Connectivity Toolset SQL Tools (Databases), Internet Tools (FTP, Telnet, HTML) Presentation with Presentation with Presentation with P
34、resentation with LabVIEW can be done LabVIEW can be done LabVIEW can be done LabVIEW can be done on your PC or over a on your PC or over a on your PC or over a on your PC or over a network, or you can take network, or you can take network, or you can take network, or you can take advantage of additi
35、onal advantage of additional advantage of additional advantage of additional applications such as applications such as applications such as applications such as DIAdem.DIAdem.DIAdem.DIAdem. 12 Course MapCourse MapCourse MapCourse Map Introduction to Introduction to Introduction to Introduction to La
36、bVIEWLabVIEWLabVIEWLabVIEW Repetition no front panel or block diagram 35 Block Diagram NodesBlock Diagram NodesBlock Diagram NodesBlock Diagram Nodes Icon Expandable Node Expanded Node Function Generator VI Same VI, viewed three different ways Yellow field designates a standard VI Blue field designa
37、tes an Express VI 36 Block Diagram TerminalsBlock Diagram TerminalsBlock Diagram TerminalsBlock Diagram Terminals Terminals are entry and exit ports that exchange information between the panel and diagram Terminals are analogous to parameters and constants in text- based programming languages Right-
38、click and toggle View As Icon to change the icon view 37 Wiring the Block Diagram Wiring the Block Diagram Wiring the Block Diagram Wiring the Block Diagram ScalarScalarScalarScalar NumericNumericNumericNumeric BooleanBooleanBooleanBoolean StringStringStringString 2D Array2D Array2D Array2D Array1D
39、Array1D Array1D Array1D Array DynamicDynamicDynamicDynamic 38 Wiring Techniques Wiring Techniques Wiring Techniques Wiring Techniques Hot SpotHot SpotHot SpotHot Spot Automatic Wiring Use Context Help Window when wiring Right-click wire and select Clean Up Wire Clean Up Wire Clean Up Wire Clean Up W
40、ire Tip Strips Automatic wire routing Right-click terminals and select Visible Visible Visible Visible ItemsItemsItemsItems TerminalsTerminalsTerminalsTerminals View the terminal connections to a function 39 Block diagram executes dependent on the flow of data; block diagram does NOT execute left to
41、 right Node executes when data is available to ALL input terminals Nodes supply data to all output terminals when done Dataflow ProgrammingDataflow ProgrammingDataflow ProgrammingDataflow Programming 40 Context HelpContext HelpContext HelpContext Help To display the Context Help window, select HelpH
42、elpHelpHelp Show Context HelpShow Context HelpShow Context HelpShow Context Help, press the keys, or press the Show Context Help WindowShow Context Help WindowShow Context Help WindowShow Context Help Window button in the toolbar Move cursor over object to display help Connections: Required Required
43、 Required Required bold bold bold bold Recommended normal Optional - dimmed Simple/Detailed Context Help Lock Help More Help 41 LabVIEW HelpLabVIEW HelpLabVIEW HelpLabVIEW Help Click the More Help button in the Context Help window Select HelpHelpHelpHelp VI, Function, data flow is animated using bub
44、bles. Values are displayed on wires. 44 Debugging TechniquesDebugging TechniquesDebugging TechniquesDebugging Techniques ProbeProbeProbeProbe Right-click on wire and select probe and it shows data as it flows through the wire segment BreakpointsBreakpointsBreakpointsBreakpoints Right-click on wire a
45、nd select Set Breakpoint; pause execution at the breakpoint. Conditional ProbeConditional ProbeConditional ProbeConditional Probe Combination of a breakpoint and a probe. Right-click on wire and select custom probe. 45 Debugging TechniquesDebugging TechniquesDebugging TechniquesDebugging Techniques
46、Step Into, Over, and Out buttons for Single SteppingStep Into, Over, and Out buttons for Single SteppingStep Into, Over, and Out buttons for Single SteppingStep Into, Over, and Out buttons for Single Stepping Click on Step Into button to enable single stepping Once Single Stepping has begun, the but
47、ton steps into nodes Click on Step Over button to enable single stepping or to step over nodes Click on Step Out button to step out of nodes 46 SummarySummarySummarySummary Virtual instruments (VIs) have three main parts the front panel, the block diagram, and the icon and connector pane The front p
48、anel is the user interface of a LabVIEW program and the block diagram is the executable code The block diagram contains the graphical source code composed of nodes, terminals, and wires Use Express VIs, standard VIs and functions on the block diagram to create your measurement code. For the most com
49、mon requirements, use Express VIs with interactive configuration dialogs to define your application. Floating Palettes: Tools Palette, Controls Palette (only when Front Panel Window is active), and Functions Palette (only when Block Diagram Window is active) There are help utilities including the Context H