Manuel d'utilisation / d'entretien du produit NI PXI PCI-1411 du fabricant National Instruments
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NI Vision NI PXI/PCI-1411 User Manual Single-Channel Color Im age Acquisition Device NI PXI/PCI-1411 User Manual February 2007 372157D-01.
Support Worldwide Technical Support and Product Info rmation ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Aust in, Texas 78759-3504 USA Tel: 512 683 0100 Worldwide O.
Important Information Warranty The NI PXI/PCI-1411 is warranted against defects in materials and workmanshi p for a period of one year from the date of shipmen t, as evidenced by recei pts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty peri od.
Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless co mmunications from inte rference. The FCC places digital electronics into two classes.
Conventions The follo wing con ventions are used in this manual: » The » symbol l eads you through nested menu items and dialog box options to a final action. The sequence File»Page Setup»Options directs yo u to pull down the File menu, select the Page Setup item, and select Options from the last dialog box.
© National Instruments Corporatio n vii NI PXI/PCI-1411 User Manual Contents Chapter 1 Introduction About the NI 1411 .......... .............. ................................................................. ............ .... 1-1 Using PXI with CompactPCI .
Contents NI PXI/PCI-1411 User Manual viii ni.com Appendix B Technical Support and Professional Services Glossary Index.
© National Instruments Corporatio n 1-1 NI PXI/PCI-1411 User Manual 1 Introduction This chapter describes the NI PXI/PCI-1411 (NI 1411) and describes you r software programming choices.
Chapter 1 Introduction NI PXI/PCI-1411 User M anual 1-2 ni.com Using PXI with CompactPCI Using PXI-compatib le products with st andard CompactPCI products is an important feature provided b y the PXI S pecification , Revision 1.
Chapter 1 Introduction © National Instruments Corporatio n 1-3 NI PXI/PCI-1411 User Manual NI-IMA Q performs all functi ons required for acquiring and saving images but does not perform image analysis. For image analysis function ality , refer to the National Instruments Applica tion Software section of this chapter .
Chapter 1 Introduction NI PXI/PCI-1411 User M anual 1-4 ni.com Vision Development Module The Vision Development Module is an image acqu isition, processing, and analysis library of more than 270 funct.
© National Instruments Corporatio n 2-1 NI PXI/PCI-1411 User Manual 2 Hardware Over view This chapter presents an overview of the hardware functions on the NI 1411 and explains the operation of each function al unit making up the NI 1411.
Chapter 2 Hardware Overview NI PXI/PCI-1411 User M anual 2-2 ni.com Video Decoder The NI 1411 supports NTSC and PAL video standard s in either composite or S-Video format. The onboard video decoder converts the incoming video signal to Red, Green, an d Blue (RGB) data and p asses this data to the color-space processor for further processing.
Chapter 2 Hardware Overview © National Instruments Corporatio n 2-3 NI PXI/PCI-1411 User Manual The color-space processor can e xport the video data in 32-bit RGB or HSL formats or in individual 8-bit hue, saturation, or luminance planes.
Chapter 2 Hardware Overview NI PXI/PCI-1411 User M anual 2-4 ni.com read and write cycles, both single a nd multi ple. In slave mode, the NI 1411 is a medium-speed decoder that accepts both memory and configuration cycles. The interface logic ensures that the NI 1411 can meet PCI loading, driving, and timing requirements.
Chapter 2 Hardware Overview © National Instruments Corporatio n 2-5 NI PXI/PCI-1411 User Manual • Scaling down —The scaling down circuitry also controls the acti ve acquisition region. The NI 1411 can scale down a frame by reducing the number of pixels per line, the number of lines per frame, or both.
© National Instruments Corporatio n 3-1 NI PXI/PCI-1411 User Manual 3 Signal Connections This chapter describes cable connections for the NI 1411. I/O Connector The NI 1411 uses one S-Video and two BNC connectors on the front pane l to connect to video data inputs and the extern al trigger signal.
Chapter 3 Signal Connections NI PXI/PCI-1411 User M anual 3-2 ni.com Signal Description Table 3-1 describes each signal co nnection on the NI 1411 device connectors: Custom Cables If you plan to make your own cables, refer to Figure 3-2 fo r the pin-out of the S-Video connector, as seen from the front of the NI 1411.
© National Instruments Corporatio n A-1 NI PXI/PCI-1411 User Manual A Introduction to Color Color is the wa velength of the light we recei ve in our eye when we look at an object.
Appendix A Introduction to Co lor NI PXI/PCI-1411 User Manual A-2 ni.com The perception of a color depe nds on many factors, such as: • Hue , which is the perceiv ed dominant color . Hue depend s directly on the wav elen gth of a color . • Saturation , which is dependent on the amount of white light present in a color .
Appendix A Introduction to Color © National Instruments Corporatio n A-3 NI PXI/PCI-1411 User Manual Hue, Saturation, Luminanc e, and Intensity Planes The 8-bit hue, saturation, lu minance, and intensity planes can also be returned individually if you want to analyze the image.
© National Instruments Corporatio n B-1 NI PXI/PCI-1411 User Manual B T echnical Support and Professional Ser vices Visit the following sections of the National Instruments Web site at ni.com for technical support an d professional services: • Support —Online technical support resources at ni.
Appendix B T echnical Support and Professional Ser vices NI PXI/PCI-1411 User Manual B-2 ni.com • Calibration Certificate —If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration . If you searched ni.
© National Instruments Corporatio n G-1 NI PXI/PCI-1411 User Manual Glossar y Symbol Pref ix V alue pp i c o 1 0 –1 2 nn a n o 1 0 –9 μ micro 10 –6 m milli 10 –3 k kilo 10 3 Mm e g a 1 0 6 Gg i g a 1 0 9 Tt e r a 1 0 12 Symbols + Positiv e of, or plus.
Glossary NI PXI/PCI-1411 User Manual G-2 ni.com acti ve pixel region The region of pixels acti vely being stored. Defined by a pixel start (relativ e to the horizont al synchronization signal) an d a pixel count. address V alue that identifies a specif ic lo cati on (or series of locations) in memo ry .
Glossary © National Instruments Corporatio n G-3 NI PXI/PCI-1411 User Manual composite video A type of colo r video transmission where synchronization, l uma, and chroma information are tran smitted on one analog signal.
Glossary NI PXI/PCI-1411 User Manual G-4 ni.com E EEPR OM Electrically erasable programmabl e read-only memory . R OM that can be erased with an electrical signal and reprogrammed. external trigger A voltage pulse from an e xte rnal source that triggers an e vent such as A/D con version.
Glossary © National Instruments Corporatio n G-5 NI PXI/PCI-1411 User Manual HSYNC Horizontal synchronization signal. The synchroni zation pulse signal produced at the beginning of each video scan lin e that keeps a video monitor’ s horizontal scan rate in st ep with the transmission of each new line.
Glossary NI PXI/PCI-1411 User Manual G-6 ni.com IRQ Interrupt request. See interru pt . K k Kilo. The standard metric pref ix for 1,000, or 10 3 , used with units of measure such as v olts, hertz, and meters. K Kilo. The prefix for 1,024, or 2 10 , used with B in quantifying data or computer memory .
Glossary © National Instruments Corporatio n G-7 NI PXI/PCI-1411 User Manual memory windo w Continuous blocks of memory that can be accessed quickly by changing addresses on the local processor . MSB Most significant bit. MTBF Mean time between failure.
Glossary NI PXI/PCI-1411 User Manual G-8 ni.com pixel count The total number of pixels be tween two horizontal synchronization signals. The pixel count determines the frequency of the pixel clock.
Glossary © National Instruments Corporatio n G-9 NI PXI/PCI-1411 User Manual S S-V ideo A type of color video transm ission where timing and lu ma information are transmitted on one analog signal and chrom a is transmitted on a separate analog signal.
Glossary NI PXI/PCI-1411 User M anual G-10 ni.com V VCO V oltage-controlled oscillator . An oscillator that changes frequency depending on a control signal; used in a PLL to generate a stable pixel clock.
© National Instruments Corporatio n I-1 NI PXI/PCI -1411 User Manual Index A acquisition acquisition window control, 2-4 acquisition, scaling, an d R OI circuitry, 2-3 start conditions, 2-4 acquisiti.
Index NI PXI/PCI-1411 User Manual I-2 ni.com start conditions, 2-4 trigger control and mapping circuitry, 2-3 video acquisition, 2-1 video decoder, 2-2 help, technical support, B-1 hue 32-bit HSL and .
Index © National Instruments Corporatio n I-3 NI PXI/PCI -1411 User Manual configuring, 2-4 RGB image representation, A-2 S saturation 32-bit HSL and HSI, A-3 definition, A-2 hue, satur ation, lumi n.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté National Instruments NI PXI PCI-1411 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du National Instruments NI PXI PCI-1411 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation National Instruments NI PXI PCI-1411, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le National Instruments NI PXI PCI-1411 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le National Instruments NI PXI PCI-1411, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du National Instruments NI PXI PCI-1411.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le National Instruments NI PXI PCI-1411. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei National Instruments NI PXI PCI-1411 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
