• Moonlanding
• Power Spectrum Measurement
• Temperature System Demo

Labview Introduction

• Read Introduce and Connect sections in Online tutorial
• Watch NI demos on front panel and block diagram
  • At home: Watch NI Online demo (first 13 slides)
• Build VI for temperature control (TempControl.vi) - In Apply section of Online tutorial

CNX Online tutorial: Introduction

• LabVIEW (Read)
• LabVIEW Environment (Read)
• Front Panel (Read)
• Block Diagram (Read)
• Acquiring a Signal VI (Build AcqSignal.vi) (same as Ch. 1 in GSLV, Ch2. in LV8)

• Virtual Instrument (VI)
• Front Panel
• Block Diagram
• Palettes
  • Tools
  • Controls
  • Functions
• Controls (Inputs)
• Indicators (Outputs)
• Wiring
• While Loop
• Loop timing

CNX Online tutorial: Introduction

• Dataflow Programming (Read)
• Express Filter VI (Do)
• LabVIEW Documentation Resources (Read)
• Reduce Samples VI (Build ReduceSamples.vi) (same as Ch. 2 in GSLV)

Build VIs to study binary numbers (BinaryCounter.vi, BinaryLooper.vi)

CNX Online tutorial: Data Acquisition and Waveforms

• Overview and Configuration of DAQ Devices (Read)
• Measurement & Automation Explorer (MAX) (Do)
• Use MAX to confirm board I/O (A&D)

• Express VIs
• Context Help
• Data types
• Arrays
• Data conversion

• Data acquisition
• Digital I/O
• Analog I/O

CNX Online tutorial: Data Acquisition and Waveforms

• Use MAX to determine/verify board specifications
  • Analog Input
    • Resolution
    • Scale
    • Speed
  • Analog Output
    • Resolution
    • Scale
    • Speed
  • Digital Input & Output
    • Bits
    • Signal Levels
• Data Acquisition in LabVIEW (Read)

Digital I/O: Output

• Build VIs to output byte to control LED array
• Modify Binary Looper VI to control LEDs
• Use DAQ Assistant for I/O board control
  • Digital Example VI (Build DigitalLEDAsst.vi)
• Use DAQmx for I/O board control
  • See Write Dig Port.vi example (Build DigitalLEDmx.vi)

• MAX
• Resolution (bits)
• Scale (gain)
• Speed
• TTL signal levels
• DAQ Assistant
• DAQmx

• Build VI to measure digital input
  • 1 bit from TTL signal (DigitalBitIn.vi)
  • TTL waveform
• Build VI for digital input and output (DigitalInOut.vi)
  • 1 bit test
  • Control external digital logic
    • AND gate
    • Truth table
  • For loop through truth table
  • Measure results and compare with LabVIEW logic
  • Case Structure: AND, NAND, OR, XOR

• Digital Waveform
• Waveform Array
• Index Waveform Array
• For Loop
• Case Structure

• Temperature sensor
  • Build VIs for temperture sensor input
  • 1 point read (TempIn1pt.vi)
    • Display single value (C, K, F)
    • Meter display (thermometer)
    • Build array and display on chart
    • Build waveform and display
  • N point read (TempInNpt.vi)
    • Waveform display

• Math calculations
• Task timing
• Graph vs. chart
• Array vs. waveform
• Feedback node
• DAQ Assistant->Code

• Function generator
  • Build VI for function generator input (FncGenIn.vi)
  • Waveform display
  • Two inputs (signal and synch)
  • Trigger data collection
  • Determine speed and resolution limits

• Digital trigger in

• Build VIs for Function generator output
  • 1 point in while loop (FncGenOut1pt.vi)
  • N points in while loop (FncGenOutNpt.vi)
  • Knobs to simulate function generator instrument
  • Determine speed and resolution limits

• Software timing
• Hardware timing

• Temperature sensor input & heater output
• Build VI for Thermostat control (TempOnOff.vi)
• Record system response

• Feedback control

• Temperature sensor input & heater output
• Build VI for PID control (TempPID.vi)
• Vary gain
• Record system response

• PID Feedback
  • P: Proportional
  • I: Integral
  • D: Differential

• Finish

• MAX
  • TDS1002B Digital Oscilloscope (Manual)
  • AFG3021B Arbitrary Function Generator (Manual)
  • Configure
  • Set and Query Instrument Parameters
• Instrument I/O Assistant
  • CNX Online tutorial: Instrument I/O Assistant Exercise
  • Build MyIOAsst.vi
  • Set and Query Instrument Parameters
• VISA
  • CNX Online tutorial: Programming with VISA
  • Build MyVISAWrite&Read.vi
  • Set and Query Instrument Parameters

• Instrument Commands
• VISA
• Instrument Driver

• AFG3021B Arbitrary Function Generator
  • Output arbitrary waveform (ArbWaveOut.vi)
  • Determine AFG output resolution
• TDS1002B Digital Oscilloscope
  • Record waveform (ScopeDataIn.vi)
  • Determine oscilloscope input resolution

• Series LRC circuit (see PH421)
• Build VI for Sinusoidal input (LRCsine.vi)
  • Vary sine frequency from Function Generator
  • Record circuit response with Oscilloscope
  • Plot response function (amplitude and phase)
  • Save data to Excel

• File I/O
• Timing
• Loop indexing
• Instrument VI Tree

• Build VI for Impulse input (LRCimpulse.vi)
  • Vary impulse time
  • Fourier transform output
  • Plot response function
  • Save data to Excel
  • Compare two methods for measureing response function

• FFT

• Build VI for Spectral Measurement (Spectrum.vi)
• Noise Generator + Sine Wave (Op amp adder)
• FFT
• Power Spectrum, Units
• Aliasing
• Parseval's Theorem: Power same in Time and Freq domains
• Windowing

• Build VI for Time Domain Averaging (Taverage.vi)
• AO Sine wave
• Triggered AI data read
• Signal-to-Noise Ratio (SNR) with SINAD analyzer vi