LabView for data acquisition

✍ Scribed by Mihura, Bruce

• Publisher: Prentice Hall
• Year: 2001
• Tongue: English
• Leaves: 460
• Category: Library

✦ Synopsis

The practical, succinct LabVIEW data acquisition tutorial for every professional.No matter how much LabVIEW experience you have, this compact tutorial gives you core skills for producing virtually any data acquisition (DAQ) application-input and output. Designed for every engineer and scientist, LabVIEW for Data Acquisition begins with quick-start primers on both LabVIEW and DAQ, and builds your skills with extensive code examples and visual explanations drawn from Bruce Mihuras extensive experience teaching LabVIEW to professionals. Includes extensive coverage of DAQ-specific programming techniquesReal-world techniques for maximizing accuracy and efficiency The 10 most common LabVIEW DAQ development problems-with specific solutions Addresses simulation, debugging, real-time issues, and network/distributed systemsPreventing unauthorized changes to your LabVIEW code An overview of transducers for a wide variety of signals*Non-NI alternatives for hardware and softwareLabVIEW for Data Acquisition includes an extensive collection of real-world LabVIEW applications, lists of LabVIEW tips and tricks, coverage of non-NI software and hardware alternatives, and much more. Whatever dat

✦ Table of Contents

Contents......Page 8
Preface......Page 14
1.1 Introduction......Page 26
1.2 VI Basics......Page 28
1.3 LabVIEW Help......Page 58
1.4 The Controls Palette (Front Panel Only)......Page 61
1.5 The Functions Palette (Block Diagram Only)......Page 64
1.6 Simple DAQ......Page 67
1.7 Decisions, Decisions......Page 70
1.8 The Sequence Structure......Page 80
1.9 Arrays, Loops, Graphs, and Charts......Page 83
1.10 SubVIs......Page 123
1.11 Debugging Techniques......Page 137
1.12 Clusters......Page 140
1.13 File I/O......Page 147
1.14 Deviations from Dataflow: Local and Global Variables......Page 164
1.15 Property Nodes......Page 170
1.16 Printing......Page 172
1.17 Finding Objects in LabVIEW......Page 174
1.18 Learning More......Page 175
2 Signals and DAQ......Page 176
2.1 Ohm's Law......Page 177
2.2 Categories of Signals......Page 179
2.3 Signal Conditioning......Page 194
2.4 Keeping Time with DMA and FIFO......Page 198
2.5 Nl's DAQ Products......Page 201
3 Basic DAQ Programming Using LabVIEW......Page 210
3.1 Assign Device Numbers to DAQ Devices......Page 212
3.2 LabVIEW DAQ Functions: An Overview......Page 234
3.3 Using the Basic LabVIEW DAQ Functions to Display Data......Page 244
3.4 LabVIEW File I/O with DAQ......Page 278
4 Simulation Techniques......Page 290
4.1 Soft Simulation......Page 291
4.2 Hard Simulation......Page 299
5.1 LabVIEW's Debugging Tools......Page 304
5.2 Tracking Down Bad Data......Page 305
5.3 Solving Crashes......Page 306
5.4 Last Resort......Page 308
6 Real-World DAQ Programming Techniques......Page 310
6.1 Programming Structure for DAQ......Page 311
6.2 Analog Waveform Analysis......Page 358
6.3 File I/O for DAQ......Page 364
6.4 Averaging......Page 374
6.5 Speed of Execution......Page 376
6.6 Display Techniques......Page 377
6.7 Alarms......Page 380
6.8 Power Losses......Page 382
7 Transducers......Page 384
7.1 Temperature Transducers......Page 385
7.2 Force and Pressure Transducers......Page 389
7.3 Flow Rate Transducers......Page 391
7.4 Position Transducers......Page 392
7.5 Other Transducers......Page 394
8 Non-NI Hardware Alternatives......Page 396
8.1 Non-NI DAQ Hardware Companies......Page 397
8.2 Homemade DAQ Hardware......Page 398
9.1 Timing in Operating Systems......Page 404
9.3 Software Techniques for Real-Time DAQ......Page 407
10.1 General Networking Issues......Page 410
10.2 Intranet DAQ......Page 413
10.3 Locally Distributed DAQ Systems......Page 414
11.1 LabWindows/CVI......Page 418
11.2 Microsoft Visual Basic with DAQ (ComponentWorks)......Page 424
11.3 Microsoft Visual C++ with DAQ (ComponentWorks++)......Page 425
11.4 Other Programming Languages with DAQ......Page 426
12 Finalizing Your LabVIEW Software......Page 428
12.1 Finalizing Your LabVIEW Software on Your Development Computer......Page 429
12.2 Moving Your LabVIEW Software to Other Computers......Page 430
Appendix A: Fundamentals: Bits, Bytes, Files, and Data......Page 434
Appendix B: Top Ten DAQ Problems and Their Solutions......Page 442
Appendix C: Saving LabVIEW's VIs......Page 444
Appendix D: Example Applications......Page 448
Appendix E: LabVIEW/DAQ Tips and Tricks......Page 450
C......Page 454
F......Page 455
M......Page 456
S......Page 457
W......Page 458
About the Author......Page 460