NI-LabVIEW techniques and data acquisition system with NI-DAQ docx

1 2 Create Maximum Optimization and Efficiency for Your Measurement and Automation Applications Introduction to NI LabVIEW and Fundamentals in Data Acquisition with NI-DAQ Pham Quoc Hung Field Systems Engineer Tel: 0932529288 Email: quochung.pham@ni.com http://vietnam.ni.com 3 What You’ll See Today • Overview of National Instruments • Virtual Instrumentation and Graphical System Design • LabVIEW graphical programming fundamentals • Ease of Data Acqusition (DAQ) with NI • Application Areas • Web-based Remote Monitoring • Next Steps 4 National Instruments at A Glance • Leaders in computer-based measurement and automation • Long-term track record of growth and profitability • $1.02 B USD revenue in 2011 • More than 16% of revenue is invested into R&D • More than 6,000 employees; operations in 40+ countries • Fortune’s 100 Best Companies to Work For 13 Consecutive Years • Cash and short-term investments $320 M USD at June 30, 2011 $0 $100 $200 $300 $400 $500 $600 $700 $800 $900 $1,000 '77 '78 '79 '80 '81 '82 '83 '84 '85 '86 '87 '88 '89 '90 '91 '92 '93 '94 '95 '96 '97 '98 '99 '00 '01 '02 '03 '04 '05 '06 '07 '08 '09 '10 5 6 Low-Cost Modular Measurement and Control Hardware Productive Software Development Tools Highly Integrated Systems Platforms Used By Engineers and Scientists for Test, Design, and Control What We Do [...]... 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... Functions and Express VIs Configuration Based Express VI Standard VIs 31 Dataflow Programming 1 2 3 1 Both Simulate Signal Express VIs execute simultaneously 2 Comparison waits until all inputs are present, then executes 3 Once executed, output from comparison continues through code 32 Wires and Data Types • Transfer data between block diagram objects through wires • Wires are different colors, styles, and. .. Built-in Engineering Libraries • In-line and off-line analysis and control • Signal processing • Analysis and filtering • Complex math • PID • Vision • Motion 24 LabVIEW Easily Connects to Hardware I/O • More than 9,000 instruments from over 350 vendors • PCI, PCI Express (PCIe), PXI, PXI Express (PXIe), USB, Ethernet, serial, GPIB, and CAN devices • Modular data acquisition hardware from DC to 26.5 GHz... Customer-Defined PC-Based Measurement and Automation Solutions Traditional Vendor-Defined Instruments Processor Display RAM Power Supply ROM Hard Disk 11 Virtual Instrumentation “To do for test and measurement what the spreadsheet did for financial analysis.” 12 National Instruments Vision Evolved Graphical System Design Test & Measurement Automated Test Data Acquisition Reconfigurable Instruments... when some existing wells are depleted This system is to monitor the vibration during drilling to alert operator if drilling shaft is about to touch the existing wells System was developed by NI partner AIC http://sine.ni.com/cs/app/doc/p/id/cs-14201 19 What is LabVIEW? 20 A Highly Productive Graphical Development Environment for Engineers and Scientists APIs and Drivers Analysis Libraries Custom User... 7.1 Embedded and DSP 1990 2005 2009 2011 1993 1998 2003 1992 2007 2010 1986 1997 2000 2005 LabVIEW 2.0 LabVIEW 5.0 LabVIEW 8 Compiled Language Undo! Real-Time Distributed Intelligence LabVIEW 2009 LabVIEW 3.0 Multiplatform Wireless Sensors MathScript RT LabVIEW 7 Express PDA and FPGA LabVIEW 2011 Accelerate Productivity 16 Virtual Instrumentation Case Study Application Boeing used LabVIEW and 70 PXI... “Front Panel” = user interface “Block Diagram” = code 27 Demo 1: Simple Front Panel and Block Diagram • Show LabVIEW Graphical Programming Environment • Explore the Front Panel and Block Diagram 28 Controls & Indicators • • • • • • • Knobs/Dials Graphs/Charts Buttons Digital Displays Sliders Thermometers Customize and create your own 29 Finding Front Panel Objects Controls Palette Controls Quick Drop... Analysis Libraries Custom User Interfaces Deployment Targets Technology Abstractions Programming Approaches 21 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 22 LabVIEW is a Development Environment • • • • • • • Debugging... Embedded Real-time Measurements Embedded Monitoring Hardware-in-the-loop “To do for test and measurement what the spreadsheet did for financial analysis.” Industrial Control (PAC) Machine Control Electronic Devices Code Generation “To do for embedded what the PC did for the desktop.” 13 14 Virtual Instrumentation with LabVIEW Automated Test Industrial Software-defined behavior Embedded 15 Modular I/O... through code 32 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 33 Execution Control Structures While Loop For Loop Run until stop condition met Run . Optimization and Efficiency for Your Measurement and Automation Applications Introduction to NI LabVIEW and Fundamentals in Data Acquisition with NI-DAQ Pham Quoc Hung Field Systems Engineer. National Instruments • Virtual Instrumentation and Graphical System Design • LabVIEW graphical programming fundamentals • Ease of Data Acqusition (DAQ) with NI • Application Areas • Web-based. Modular Measurement and Control Hardware Productive Software Development Tools Highly Integrated Systems Platforms Used By Engineers and Scientists for Test, Design, and Control What We