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Laboratory 7 Introduction to LabVIEW. General Engineering Department Polytechnic University. Overview. Applications in EG101 Sample interfaces Remote Communication Graphic-based/Text-based Virtual Instruments (VIs) Front Panel/Diagram Panel Tools Front Panel Controls - PowerPoint PPT Presentation
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Laboratory 7Laboratory 7Introduction to Introduction to
LabVIEWLabVIEW
General Engineering General Engineering DepartmentDepartment
Polytechnic University Polytechnic University
OverviewOverview Applications in EG101Applications in EG101 Sample interfacesSample interfaces Remote CommunicationRemote Communication Graphic-based/Text-basedGraphic-based/Text-based Virtual Instruments (VIs)Virtual Instruments (VIs) Front Panel/Diagram PanelFront Panel/Diagram Panel ToolsTools Front Panel ControlsFront Panel Controls Controls and IndicatorsControls and Indicators Color RepresentationColor Representation
ObjectivesObjectives Program 1: Program 1:
CalculatorCalculator Program 2: Program 2:
VoltmeterVoltmeter LabVIEW Proficiency LabVIEW Proficiency
TestTest ConclusionConclusion
Without LabVIEWWithout LabVIEW
With LabVIEWWith LabVIEW
Applications in EG101Applications in EG101
LAB 3: MicrophoneLAB 3: Microphone LAB 7: LabVIEWLAB 7: LabVIEW LAB 8: Vibrations, LAB 8: Vibrations,
Waves and SpectraWaves and Spectra LAB 10: Fiber OpticsLAB 10: Fiber Optics
TimeFreqTimeFreq TwoChanTwoChan FilterFilter RecordRecord PlaybackPlayback
Sample InterfacesSample Interfaces
Remote CommunicationRemote Communication InternetInternet Control Control
DevicesDevices
– Robotic Robotic ArmArm
– BridgeBridge
Graphics-based vs. Text-Graphics-based vs. Text-basedbased
GGC+C+++
Virtual Instruments Virtual Instruments (VIs)(VIs)
Appearance and operation imitates
actual physical instruments
Front Panel and Diagram Front Panel and Diagram PanelPanel
•
ToolsTools
Front Panel ControlsFront Panel Controls
Terminal in diagram panel represents front panel object
in source code
Controls and IndicatorsControls and Indicators
Two types of objects in front panel
Color RepresentationColor Representation
ObjectivesObjectives
Learn basic, Learn basic, introductory introductory commandscommands
Input data Input data (voltage)(voltage)
Create two Create two programsprograms
Program 1: CalculatorProgram 1: Calculator
InputInput– KeyboardKeyboard– Input/Output boardInput/Output board
Switch: 3 operationsSwitch: 3 operations 3 LEDs3 LEDs 2 numeric controls2 numeric controls 1 indicator1 indicator Switch for input dataSwitch for input data Case statementCase statement
Program 2: VoltmeterProgram 2: Voltmeter
Input from I/O block Input from I/O block (±5 volts)(±5 volts)
7 LEDs: 7-segment 7 LEDs: 7-segment display rounded to display rounded to nearest integernearest integer
1 negative sign LED1 negative sign LED Case statement: Case statement:
control different control different combinationscombinations
LabVIEW Proficiency LabVIEW Proficiency TestTest
25-segment LED display 25-segment LED display with corresponding caseswith corresponding cases
2 switches2 switches– binary-to-decimalbinary-to-decimal– decimal-to-binary decimal-to-binary
(inoperative)(inoperative) ControlControl Warning functionWarning function
First 5 non-repeating letters and #s of name (last, first) and IDFirst 5 non-repeating letters and #s of name (last, first) and ID
ConclusionsConclusions
AdvantagesAdvantages– Saves money/spaceSaves money/space– Unlimited customized Unlimited customized
applicationsapplications More helpMore help
– LabVIEW manualsLabVIEW manuals– HelpHelp
Team reportTeam reportInclude:Include: Front/DiagramFront/Diagram
panels of bothpanels of bothprogramsprograms
Brief written Brief written explanations ofexplanations ofimplementationimplementation