Manuale d’uso / di manutenzione del prodotto PCI-1405 del fabbricante National Instruments
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NI Vision NI PCI-1405 User Manual Single-Channel Color Im age Acquisition Device NI PCI-1405 User Manual February 2007 373687B-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 PCI-1405 is warranted agains t defects in mate rials and workmans hip for a perio d of one year from t he date of shipme nt, as evidenced by receipts or other documentati on. National Instruments wil l, at its option, repair or replace equipment that proves to be defect ive during the warranty period.
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 item s 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 Corpor ation vii NI PCI-1405 User Manual Contents Chapter 1 Introduction About the NI 1405 ............. ............................ ......................................................... ....... 1-1 Software Overview .....
Contents NI PCI-1405 User Manual viii ni.com Glossary Index.
© National Instruments Corpor ation 1-1 NI PCI-1405 User Manual 1 Introduction This chapter describes th e NI PCI-1405 (NI 1405) and the software programming choices. About the NI 1405 The NI 1405 is a PCI monochrome and color im age acquisition device that supports a diverse range of analog cameras from many camera companies.
Chapter 1 Introduction NI PCI-1405 User Manual 1-2 ni.com Software Over view Programming the NI 1405 requires the NI-IMAQ driver soft ware for controlling the hardware .
Chapter 1 Introduction © National Instruments Corpor ation 1-3 NI PCI-1405 User Manual National Instruments Application Software This section describes the National Instruments applicatio n software packages you can use to analyze a nd process the images yo u acquire with the NI 1405.
Chapter 1 Introduction NI PCI-1405 User Manual 1-4 ni.com NI V ision Assistant is included wi th the V ision Development Module. V ision Assistant is an interactiv e proto typing tool for machine visi on and scientific imaging de velopers.
© National Instruments Corpor ation 2-1 NI PCI-1405 User Manual 2 Hardware Over view This chapter presents an overview of the hardware functions on the NI 1405 and explains the operation of each function al unit making up the NI 1405.
Chapter 2 Hardware Overv iew NI PCI-1405 User Manual 2-2 ni.com Video Acquisition The NI 1405 can acquire anal og color video in a variety of modes and then store the images in the onboard SDRAM memory or transfer the images directly to PCI system me mory.
Chapter 2 Hardware Overview © National Instruments Corpor ation 2-3 NI PCI-1405 User Manual Acquisition and ROI Circuitr y The acquisition and region-of-inter est (ROI) circuitry monitors t he incoming video signal s and routes the active pixels to the SDRAM memory.
Chapter 2 Hardware Overv iew NI PCI-1405 User Manual 2-4 ni.com Acquisition Window Control You can configure numerous parameters on the NI 14 05 to control the video acquisition window.
© National Instruments Corpor ation 3-1 NI PCI-1405 User Manual 3 Signal Connections This chapter describes cable connections for the NI 1405. Connectors The NI 1405 uses two BNC connectors on the front panel to connect to video data input and the external trigger signal.
Chapter 3 Signal Connections NI PCI-1405 User Manual 3-2 ni.com Signal Descriptions Table 3-1 describes the signal connections on the NI 1405 connectors. Table 3-1. I/O Connector Signals Signal Name Description VIDEO Composit e Video —This signal allows you to make a referenced single-ended (RSE) connection to the video channel.
© National Instruments Corpor ation A-1 NI PCI-1405 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 PCI-1405 User Manual A-2 ni.com The perception of a color depends on ma ny factors, such as the follo w ing: • Hue , which is the perceiv ed dominant color . Hue depend s directly on the wav elen gth of a color .
Appendix A Introduction to Color © National Instruments Corpor ation A-3 NI PCI-1405 User Manual Hue, Saturation, Luminanc e, and Intensity Planes The NI 1405 can return an 8-bit Lumina nce (L) plane, but not Hue (H) or Saturation (S) planes.
© National Instruments Corpor ation B-1 NI PCI-1405 User Manual B T echnical Support and Professional Ser vices V isit the following sections of the National Instruments W eb site at ni.com for technical support and professional services: • Support —Online technical support resources at ni.
Appendix B T echnical Support and Professional Ser vices NI PCI-1405 User Manual B-2 ni.com • Declaration of Conformit y (DoC) —A DoC is our claim of compliance with the C ouncil of th e European Communities using the manufacturer’ s declaration of conformity .
© National Instruments Corpor ation G-1 NI PCI-1405 User Manual Glossar y A acquisition windo w The image size specif ic to a video standard or camera resolution. acti ve line region The region of lines acti vely bein g stored. Def ined by a line start (relati ve to the vertical synchronization signal) and a line count.
Glossary NI PCI-1405 User Manual G-2 ni.com composite video A type of colo r video transmission where synchron ization, luma, and chroma information are tran smitted on one analog signal. contrast A constant multiplication factor applied to the lu ma and chroma components of a color pixel in the color decoding process.
Glossary © National Instruments Corpor ation G-3 NI PCI-1405 User Manual F field For an interlaced video signal, a field is half the number of horizontal lines needed to represent a frame of video. The f irst field of a frame contains all the od d-numbered lines, the second field contains all of the ev en-numbered lines.
Glossary NI PCI-1405 User Manual G-4 ni.com interlaced A video frame composed of two in terleav ed fields. The number of lines in a field are half the number of lines in an interlaced frame. interrupt A computer signal indicating that the CPU should suspend its current task to service a designated acti vity .
Glossary © National Instruments Corpor ation G-5 NI PCI-1405 User Manual pixel count The total number of pixels be tween two horizontal synchronization signals.
Glossary NI PCI-1405 User Manual G-6 ni.com trigger control and mapping circuitr y Circuitry that routes, mon itors, and driv es the external trigger line. Y ou can configure this line to start or stop acquisition on a rising or falling edge. TTL T ransistor -transistor logic.
© National Instruments Corpor ation I-1 NI PCI-1405 User Manual Index A acquisition acquisition and R OI circuitry, 2-3 acquisition window control, 2-4 start conditions, 2-3 acquisition window, 2-4 B.
Index NI PCI-1405 User Manual I-2 ni.com I I/O connector (figure), 3-1 image representations 32-bit HSL and HSI, A-2 color planes, A-2 hue, satur ation, lumi nance, and int ensity planes, A-3 RGB, A-2.
Index © National Instruments Corpor ation I-3 NI PCI-1405 User Manual T technical support, B-1 training and certification (NI resources), B-1 TRIG signal (table), 3-2 trigger control and mapping circ.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il National Instruments PCI-1405 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del National Instruments PCI-1405 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments PCI-1405 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments PCI-1405 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments PCI-1405, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del National Instruments PCI-1405.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il National Instruments PCI-1405. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments PCI-1405 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
