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National Instruments PCI-1411 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    IMAQ ™ IMAQ PCI/PXI ™ -1411 User Manual Single-Channel Color Image Acquisition Board for PCI, PXI, and CompactPCI Chassis IMAQ PCI/PXI-1411 User Manual October 1999 Edition Part Number 3221 57B-01[...]

  • Page 2

    Worldwide Technical Support and Product Info rmation www.ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 284 5011, Canada (Calgary) 403 274 9391, Canada (Ontario) 905 785 [...]

  • Page 3

    Important Information Warranty The PCI-1411 and PXI-1411 are warranted against defects in ma terials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Inst ruments will, at its option, repa ir or replace equip men t that proves to be d efectiv e du ring t he w arranty peri [...]

  • Page 4

    Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference. The FCC places digital electronics into two classes. These classes are known as Class A (for use in industrial- commercial locations only) or Class B (for us[...]

  • Page 5

    interference to radio or te levision reception, which can be determined by turning the equipme nt off and on, the user is encouraged to try to correct the interferenc e by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment i[...]

  • Page 6

    Conventions The following con ventions are used in this manual: ♦ The ♦ symbol indicates that the follo wing text applies only to a specif ic product, a specific operating system, or a specifi c software v ersion. This icon denotes a note, which alerts you to important information. This icon denotes a warning, which advises you of precautions t[...]

  • Page 7

    © National Instruments Corporation vii IMAQ PCI/PXI-1411 User Manual Contents Chapter 1 Introduction About the PCI/PXI-1411 ....................... ......................... .......................... ....................... 1-1 Using PXI with CompactPCI ................. ... ........... ... ......................... ............ .. ..............[...]

  • Page 8

    Contents IMAQ PCI/PXI-1411 User Manual viii www.ni.com Chapter 4 Signal Connections I/O Connector .. ......................... ......................... .......................... ........... ........... .............. 4-1 Signal Description ............ ........... ... ......................... ......................... .......................... [...]

  • Page 9

    © National Instruments Corporation 1-1 IMAQ PCI/PXI-1411 User Manual 1 Introduction This chapter describes the PCI/PXI-1411 and describes yo ur software programming choices. About the PCI/PXI-1411 The PCI/PXI-1411 is a highly flexible mo nochrome and color IMAQ board for PCI, PXI, or CompactPCI chassis that supports a diverse range of analog camer[...]

  • Page 10

    Chapter 1 Introduction IMAQ PCI/PXI-1411 User Manual 1-2 www .ni.com Using PXI with CompactPCI Using PXI-compatible products with standard CompactPCI products is an important feature provided by the PXI Specification , Revision 1.0. If you use a PXI-compatible plug-in device in a standard CompactPCI chassis, you will be unable to use PXI-specific f[...]

  • Page 11

    Chapter 1 Introduction © National Instruments Corporation 1-3 IMAQ PCI/PXI-1411 User Manual Figure 1-1. The Relationship between the Programming Environment, NI-IMAQ, and Y our Hardware NI-IMAQ Driver Software The NI-IMAQ driver software is included with your IMAQ device. NI-IMAQ has an extensive library of functions that you can call from your ap[...]

  • Page 12

    Chapter 1 Introduction IMAQ PCI/PXI-1411 User Manual 1-4 www .ni.com Figure 1-2. NI-IMAQ Functions The NI-IMA Q driver software performs all functions required for acqu iring and saving images. The NI-IMA Q software does not perform any image analysis. For image analysis functionality , refer to the National Instruments IMAQ Vision section in this [...]

  • Page 13

    Chapter 1 Introduction © National Instruments Corporation 1-5 IMAQ PCI/PXI-1411 User Manual National Instruments IMAQ Vision IMAQ Vision is an image acquisition, processing, and analysis library of more than 200 functions for grayscale, color, and binary image display, image processing, pattern matching, shape matching, blob analysis, gauging, and[...]

  • Page 14

    Chapter 1 Introduction IMAQ PCI/PXI-1411 User Manual 1-6 www .ni.com Integration with DAQ Any platform that supports NI-IMA Q also supports NI-DAQ an d a variety of National Instruments DAQ boards, so yo ur IMAQ device and N I-IMAQ development can integrate with Na tion al Instruments DAQ products. Vision and Motion With National Instruments IMAQ h[...]

  • Page 15

    © National Instruments Corporation 2-1 IMAQ PCI/PXI-1411 User Manual 2 Installation This chapter lists what you need to get started acquiring images with your IMAQ device; describes optional equipment and custom cables; and explains ho w to unpack, configure, and install your IMAQ device. What Y ou Need to Get Started To set up and use your PCI/PX[...]

  • Page 16

    Chapter 2 Installation IMAQ PCI/PXI-1411 User Manual 2-2 www .ni.com Optional Equipment National Instruments offers a variety of products for use with your PCI/PXI-1411, including other Natio nal In struments DAQ devices for enhanced triggering, timing, or input/o utpu t. For more specif ic information about these products, refer to your National I[...]

  • Page 17

    Chapter 2 Installation © National Instruments Corporation 2-3 IMAQ PCI/PXI-1411 User Manual Figure 2-1. How to Set up Y our IMAQ System LabWindows/CVI Third-P ar ty Compilers LabVIEW BridgeVIEW What application software are you using? Configure your hardw are using the Measurement & Automation Explorer and online help . Read the Getting Star t[...]

  • Page 18

    Chapter 2 Installation IMAQ PCI/PXI-1411 User Manual 2-4 www .ni.com Unpacking Your PCI/PXI-1411 is shipped in an antistatic package to prevent electrostatic damage to the board. Electrostatic discharge ca n damage several components on the board. To avoid such damage in handling the board, take the following precautions: • Ground yourself via a [...]

  • Page 19

    Chapter 2 Installation © National Instruments Corporation 2-5 IMAQ PCI/PXI-1411 User Manual 4. Locate the metal bracket that co vers the cut-out in the back panel of the ch assis for th e slot you hav e selected. Remove and sa ve the bracket-retaining scre w and the bracket co ver . 5. T ouch the metal part of the power supply case inside the comp[...]

  • Page 20

    © National Instruments Corporation 3-1 IMAQ PCI/PXI-1411 User Manual 3 Hardware Over view This chapter presents an overview of the hardware functions on your PCI/PXI-1411 board and explains the operation of each functional unit making up the PCI/PXI-1411. Functional Over view The PCI/PXI-1411 features a flexible, high-speed data path optimized for[...]

  • Page 21

    Chapter 3 Hardware Over view IMAQ PCI/PXI-1411 User Manual 3-2 www .ni.com Video Decoder The PCI/PXI-1411 supports NTSC and PAL video standards in either composite or S-Video format. The onboard video decoder converts the incoming video signal to R ed, Green, and Blue (RG B) data and passes this data to the color-space processor for further process[...]

  • Page 22

    Chapter 3 Hardware Overview © National Instruments Corporation 3-3 IMAQ PCI/PXI-1411 User Manual SDRAM The PCI/PXI-1411 comes with 16 MB of onboard high-speed synchrono us dynamic RAM (SDRAM). The PCI/PXI-1411 can use the onboard RAM as a first-in first-out (FIFO) buffer, transferring the image data as it is acquired or acquiring th e image data i[...]

  • Page 23

    Chapter 3 Hardware Over view IMAQ PCI/PXI-1411 User Manual 3-4 www .ni.com Bus Master PCI Interface The PCI/PXI-1411 implements the PCI interface with a National Instruments custom application-specific integrated circuit (ASIC), the PCI MITE. The PCI interface can transfer data at a maximum rate of 132 Mbytes/s in bus master mode. The PCI/PXI-1411 [...]

  • Page 24

    Chapter 3 Hardware Overview © National Instruments Corporation 3-5 IMAQ PCI/PXI-1411 User Manual • Region of interest — The PCI/PXI-1411 uses a second lev el of acti ve pixel and acti ve line regions for selecting a re gion of interest. When you disable the region-of-interest circuitry , the board stores the entire acquisition window into with[...]

  • Page 25

    © National Instruments Corporation 4-1 IMAQ PCI/PXI-1411 User Manual 4 Signal Connections This chapter describes cable connections for the PCI/PXI-1411. I/O Connector The PCI/PXI-1411 uses one S-Video and two BNC connectors on the front panel to connect to video data inputs and the external trigger signal. Figure 4 -1 shows the position of the thr[...]

  • Page 26

    Chapter 4 Signal Connections IMAQ PCI/PXI-1411 User Manual 4-2 www .ni.com Signal Description Table 4-1 describes each signal connection on the 1411 device connectors: Custom Cables If you plan to make your own cables, refer to Figure 4-2 for th e pin-out of the S-Video connector, as seen from the front of the PCI/PXI-1411. Figure 4-2. S-Video Conn[...]

  • Page 27

    © National Instruments Corporation A-1 IMAQ PCI/PXI-1411 User Manual A Specifications This appendix lists the specif ications of the PCI/PXI-1411. These specifications are typical at 25 °C, unless otherwise stated. Formats Supported Input formats RS-170/NTSC .................. ............... 29.97 frames/s CCIR/PAL .................... ... .....[...]

  • Page 28

    Appendix A Specifications IMAQ PCI/PXI-1411 User Manual A-2 www .ni.com A/D Conversion Quantity ..................... ........... .............. .... One 8-bit 2X oversampling for composite video Two 8-bit 2X oversampling for Y/C (S-Video) Dynamic range ........... ... ........... ... ............46 dB typ Sampling Frequency RS-170/NTSC........... [...]

  • Page 29

    Appendix A Specifications © National Instruments Corporation A-3 IMAQ PCI/PXI-1411 User Manual PCI Interface PCI initiator (master) capability ............. Supported PCI target (slave) capability ................... Suppo rted Data path ................ ........... .............. ....... 32 bits Board voltage ....................... .............[...]

  • Page 30

    Appendix A Specifications IMAQ PCI/PXI-1411 User Manual A-4 www .ni.com Physical Dimensions PCI-1411.......................................... 10.7 by 17.5 cm (4.2 by 6.9 in .) PXI-1411 ......... ............ .............. ...... 10 by 16 cm (3.9 by 6.3 in .) Weight PCI-1411.......................................... 0.136 kg (0.3 lb.) PXI-1411 ...[...]

  • Page 31

    © National Instruments Corporation B-1 IMAQ PCI/PXI-1411 User Manual B Introduction to Color Color is the w a v elength of the light we re cei ve in our e ye when we look at an object. In theory , the color spectrum is infinite. Humans, ho wev e r, can see only a small portion of this spectrum—the portion that goes from the red edge of infrared [...]

  • Page 32

    Appendix B I ntroduction to Co lor IMAQ PCI/PXI-1411 User Manual B-2 www .ni.com The perception of a color depends on man y factors, such as: • Hue , which is the percei ved dominant color . Hue depends directly on the wa velength of a color . • Saturation , which is dependent on the amount of white light present in a color . Pastels typically [...]

  • Page 33

    Appendix B I ntroduction to Color © National Instruments Corporation B-3 IMAQ PCI/PXI-1411 User Manual Hue, Saturation, Luminance, and Intensity Planes The 8-bit hue, saturation, luminance, and intensity planes can also be returned individually if you want to analyze the image. Luminance, Intensity , Hue, or Saturation are def ined using the Red, [...]

  • Page 34

    © National Instruments Corporation C-1 IMAQ PCI/PXI-1411 User Manual C T echnical Support Resources This appendix describes the comprehensiv e resources av ailab le to yo u in the T echnical Sup port section of the National Instruments W eb site and provides technical support telephone numbers for you to use if you hav e trouble connecting to our [...]

  • Page 35

    Appendix C T echnical Support Resour ces IMAQ PCI/PXI-1411 User Manual C-2 www .ni.com Software-Related Resources • Instrument Driver Network — A library with hundreds of instru ment dri v ers for contro l of standalone instruments via GPIB, VXI, or serial interfaces. Y ou also can submit a request for a particular instrument dri ver if it does[...]

  • Page 36

    © National Instruments Corporation G-1 IMAQ PCI/PXI-1411 User Manual Glossar y Pref ix Meaning V alue p- pico- 10 –1 2 n- nano- 10 –9 µ- micro- 10 –6 m- milli- 10 –3 k- kilo- 10 3 M- mega- 10 6 G- giga- 10 9 t- tera- 10 12 Numbers/Symbols + Positiv e of, or plus. /P e r . Ω Ohm. ± Plus or minus. – Negati ve of, or minus. A A Amperes.[...]

  • Page 37

    Glossary IMAQ PCI/PXI-1411 User Manual G-2 www .ni.com ac t i ve p i x e l r e g i on The region of pixels acti vely being stored. Def ined by a pixel start (relati ve to the horizontal synchronization signal) and a pixel count. ad d r e s s V alue that identif ies a specific location (or series of locations) in memory . AP I Application programmin[...]

  • Page 38

    Glossary © National Instruments Corporation G-3 IMAQ PCI/PXI-1411 User Manual co l o r s p ac e The mathematical representation for a color . For example, color can be described in terms of red, green, and blue; hue, satu ration, and luma; or hue, saturation, and intensity . co m p o s i t e v i d e o A type of color video transmission where synch[...]

  • Page 39

    Glossary IMAQ PCI/PXI-1411 User Manual G-4 www .ni.com dr i ve r s Software that controls a specif ic hardware device, such as an image acquisition board. dy n a m i c r a n g e The ratio of the largest signal lev el a circuit can hand le to the smallest signal le vel it can handle (usually taken to be the noise le vel), normally expressed in decib[...]

  • Page 40

    Glossary © National Instruments Corporation G-5 IMAQ PCI/PXI-1411 User Manual H hH o u r . HSI Color encod ing scheme in Hue, Saturation, and Intensity . HSL Color encoding scheme using Hue, Saturation, and Luma information where each image in the pixel is encoded using 32 bits: 8 bits for hue, 8 bits for saturation, 8 bits for luma, and 8 unused [...]

  • Page 41

    Glossary IMAQ PCI/PXI-1411 User Manual G-6 www .ni.com intensity The sum of the Red, Green, and Blue primaries di vided by three: (Red + Green + Blue)/3. in t e rl a c ed A video frame composed of two interlea ved fields. The number of lines in a f ield are half the number of lines in an interlaced frame. in t er r u pt A computer signal indicating[...]

  • Page 42

    Glossary © National Instruments Corporation G-7 IMAQ PCI/PXI-1411 User Manual M m Meters. M (1) Mega, the standard metric pref ix for 1 mi llio n or 10 6 , when used with units of measure such as volts and hertz; (2) mega, the pref ix for 1,048,576, or 2 20 , when used with B to quantify data or computer memory . MB Me gabyte of memory . Mb y t e [...]

  • Page 43

    Glossary IMAQ PCI/PXI-1411 User Manual G-8 www .ni.com P PA L P hase Alternation Line. One of the European video color standards; uses 625 lines per frame. See also NTSC. PC I Peripheral Component Interconnect. A high-performance expansion bus architecture originally dev eloped by Intel to replace ISA and EISA. PCI of fers a theoretical maximum tra[...]

  • Page 44

    Glossary © National Instruments Corporation G-9 IMAQ PCI/PXI-1411 User Manual RG B Color encoding scheme usin g red, green, and blue (RGB) color information where each pixe l in the color image is encoded using 32 bits: 8 bits for red, 8 bits for green, 8 bits for blue, and 8 bits for the alpha v alue (unused). ROI Re gi on o f i nte re st . A har[...]

  • Page 45

    Glossary IMAQ PCI/PXI-1411 User Manual G-10 www .ni.com T tr a n s f e r r a te The rate, measured in bytes/s, at which data is mo ved from source to destination after software initializatio n and set up operatio ns. The maximum rate at which the hardware can operate. tr i gg e r Any e vent that causes or starts some form of data capture. trigger c[...]

  • Page 46

    © National Instruments Corporation I-1 IMAQ PCI/PXI-1411 User Manual Index A accuracy specifications, A-2 acquisition acquisition, scaling, and ROI circuitry , 3-3 acquisition window control, 3-4 to 3-5 start conditions, 3-4 acquisition window, 3-4 A/D conversion specifications, A-2 B block diagram of PCI/PXI-1411, 3-1 board configuration NVRAM, 3[...]

  • Page 47

    Index IMAQ PCI/PXI-1411 User Manual I-2 www .ni.com video acquisition, 3-1 video decoder, 3-2 hue 32-bit HSL and HSI, B-3 definition, B-2 hue, saturation, luminance, and intens it y planes, B-3 I image representations, B-2 to B-3 32-bit HSL and HSI, B-3 color planes, B-2 hue, saturation, luminance, and intens it y planes, B-3 RGB, B-2 IMAQ Vision B[...]

  • Page 48

    Index © National Instruments Corporation I-3 IMAQ PCI/PXI-1411 User Manual R RAM board configuration NVRAM, 3-4 SDRAM, 3-3 region of interest acquisition, scaling, and ROI circuitry, 3-3 configuring, 3-5 requirements for getting started, 2-1 RGB image representation, B-2 S saturation 32-bit HSL and HSI, B-3 definition, B-2 hue, saturation, luminan[...]