文本讲义ni培训lesson setting up hardware

1、LabVIEW Core 1What You Need To Get StartedComputer running LabVIEW 2011 or later and Windows XP or laterLabVIEW Core 1 Course Manual LabVIEW Core 1 Exercise Manual LabVIEW Core 1 Course CDMultifunction DAQ deviceGPIB interfaceDAQ Signal Accessory or BNC-2120, wires, and cableNI Instrument Simulator

2、and power supplySerial and GPIB cablesFile LocationsThe course installer places the course files in the following location:Root DirectoryExercisesSolutionsLabVIEW Core 1Instructional MethodsTopicLectureQuizzesDemonstrationsConcept ExerciseDevelopment ExerciseGetting The Most Out Of This CourseAsk qu

3、estions!Experiment with hands-on exercises to understand the methods usedExplore solutionsImplementations explore a possible solutionyou may find a better one New Users Experienced Users Advanced UsersLabVIEW Core 1LabVIEW Core 2LabVIEW Core 3Managing Software Engineering in LabVIEW LabVIEW OOP Syst

4、em Design Advanced Architectures in LabVIEWCertificationsCertified LV Associate Developer ExamCertified LabVIEW Developer ExamCertified LabVIEW Architect ExamCourse Learning MapLesson 1Setting Up HardwareLesson 2Navigating LabVIEWLesson 3Troubleshooting & Debugging VIsLesson 4Implementing a VILesson

5、 5Relating DataLesson 6Managing ResourcesLesson 7Developing Modular ApplicationsLesson 8Common Design Techniques and PatternsLesson 9Using VariablesCourse GoalsThis course prepares you for the following:Solve problems using LabVIEWUse data acquisition and instrument control in LabVIEW applicationsUs

6、e modular programming practicesDevelop, debug, and test LabVIEW VIsEffectively use a state machine architectureParallelism and variables8Lesson 1Setting Up HardwareDAQ HardwareUsing DAQ SoftwareInstrument ControlGPIBSerial Port CommunicationUsing Instrument Control SoftwareSetting Up HardwareLabVIEW

7、 is a graphical programming environment used by millions of engineers and scientists to develop sophisticated measurement, test, and control systemsLabVIEW can integrate with wide variety of hardware devicesIn this course, you will interact with DAQ, GPIB, and serial hardware10A. DAQ HardwareSignalT

8、erminal BlockCableDAQ DeviceComputer11DAQ Hardware Terminal Block & CableDAQ Signal AccessoryQuadrature Encoder4 LEDs for Digital I/ODigital TriggerCounter I/OFunction GeneratorFunction Generator Frequency ControlTemperature SensorAnalog InputAnalog OutputMicrophone Input12DAQ Hardware Terminal Bloc

9、k & CableBNC-2120Quadrature Encoder8 LEDs for Digital I/OCounter I/OFunction GeneratorFunction Generator Frequency and Amplitude ControlTemperature SensorAnalog InputAnalog Output13DAQ Hardware DAQ DeviceMost DAQ devices have four standard elements: analog input, analog output, digital I/O, and coun

10、ters You can transfer the signal you measure with the DAQ device to the computer through a variety of different bus structures14DAQ Hardware Analog InputThe process of measuring an analog signal and transferring the measurement to a computer for analysis, display, or storageAn analog signal is a sig

11、nal that varies continuouslyAnalog input most commonly measures voltage or current15DAQ Hardware Analog OutputThe process of generating analog signals from your computerPerforming digital-to-analog (D/A) conversions generates analog output Theavailable analog output types are voltage and currentTo p

12、erform a voltage or current output, a compatible device must be installed that can generate that type of signal16DAQ Hardware Digital I/ODigital signals: Electrical signals that transfer digital data (on/off, high/low, 1/0) using a wireUsed to control or measure digital or finite state devices, such

13、 as switches and LEDsUsed to transfer dataprogram devicescommunicate between devicesUse digital signals as clocks or triggers to control or synchronize other measurements17DAQ Hardware CountersA counter is a digital timing device typically used for event counting, frequency measurement, period measu

14、rement, position measurement, and pulse generationA counter has a fixed number it can count to as determined by the resolution of the counterFor example, a 24-bit counter can count to:2(Counter Resolution) 1 = 224 1 = 16,777,21518B. Using DAQ Software ConfigurationConfigure and test your DAQ device

15、using the Measurement & Automation Explorer (MAX)19Simulating a DAQ DeviceUsing NI-DAQmx simulated devices, you can try NI products in your application without the hardwareWith NI-DAQmx simulated devices, you also can export a physical device configuration onto a system that does not have the physic

16、al device installed20Exercise 1-1Concept: Measurement and Automation ExplorerUse MAX to examine, configure, and test a DAQ device.Exercise 1-1Concept: Measurement and Automation ExplorerWhat is a possible real-world application using DAQ?C. Instrument ControlUse software on a PC to control an instru

17、ment over an instrument control busMix and match instruments from various categoriesUnderstand the properties of the instrument, such as the communication protocols to useC. Instrument ControlBenefits of Instrument ControlAutomate processesSave timeOne platform for multiple tasksEase of useMany type

18、s of instruments availableD. GPIBGPIB (general purpose interface bus) is a standard interface for communication between instruments and controllers from various vendors25GPIBThe bus supports one system controller, usually a computer, and up to 14 additional instruments Controller: Defines the commun

19、ication linksResponds to devices that request serviceSends GPIB commandsPasses/receives control of the bus26E. Serial Port CommunicationSerial communicationTransmits data between a computer and a peripheral device, such as a programmable instrument or another computerUses a transmitter to send data

20、one bit at a time over a single communication line to a receiverBest method when data transfer rates are low, or you must transfer data over long distances27F. Using Instrument Control SoftwareInterface Drivers: Instrument interfaces such as GPIB include a set of drivers for the interface Configuration: Use MAX to configure the interface28Exercise 1-2Concept: GPIB Configuration with MAXLearn to configure the NI Instrument Simulator and use MAX to examine the GPIB interface settings, detect instruments, andcommunicate with an instrument.Exercise 1-2Concept: GPIB Configuration with MAXWha