National Instruments Interface Device NI PCI-1426 User Manual
Summary of Interface Device NI PCI-1426
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Ni vision ni pci-1426 user manual base configuration camera link image acquisition device ni pci-1426 user manual february 2007 374040c-01.
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Support worldwide technical support and product information ni.Com national instruments corporate headquarters 11500 north mopac expressway austin, texas 78759-3504 usa tel: 512 683 0100 worldwide offices australia 1800 300 800, austria 43 662 457990-0, belgium 32 (0) 2 757 0020, brazil 55 11 3262 3...
Page 3: Important Information
Important information warranty the ni pci-1426 is warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National instruments will, at its option, repair or replace equipment that proves to be defect...
Page 4: Compliance
Compliance compliance with fcc/canada radio frequency interference regulations 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 (fo...
Page 5: Conventions
Conventions the following conventions are used in this manual: angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name—for example, ao . This icon denotes a note, which alerts you to important information. Bold bold text denotes i...
Page 6: Contents
© national instruments corporation vii ni pci-1426 user manual contents chapter 1 introduction software overview ........................................................................................................1-2 ni-imaq driver software ..........................................................
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Contents ni pci-1426 user manual viii ni.Com appendix a cabling appendix b technical support and professional services glossary index.
Page 8: Introduction
© national instruments corporation 1-1 ni pci-1426 user manual 1 introduction the ni 1426 is an interface device that supports a diverse range of camera link-compatible cameras. The ni 1426 acquires digital images in real time and stores the images in onboard frame memory or transfers them directly ...
Page 9: Software Overview
Chapter 1 introduction ni pci-1426 user manual 1-2 ni.Com software overview programming the ni 1426 requires the ni-imaq driver software for controlling the hardware. National instruments also offers the following application software packages for analyzing and processing your acquired images. • vis...
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Chapter 1 introduction © national instruments corporation 1-3 ni pci-1426 user manual vision builder for automated inspection ni vision builder for automated inspection (ai) is configurable machine vision software that you can use to prototype, benchmark, and deploy applications. Vision builder ai d...
Page 11: Camera Link
Chapter 1 introduction ni pci-1426 user manual 1-4 ni.Com labview vi creation wizard, vision assistant can create labview vi diagrams that perform the prototype you created in vision assistant. You can then use labview to add functionality to the generated vi. Integration with daq and motion platfor...
Page 12: Hardware Overview
© national instruments corporation 2-1 ni pci-1426 user manual 2 hardware overview this chapter provides an overview of ni 1426 hardware functionality and explains the operations of the ni 1426 functional units. Functional overview the ni 1426 features a flexible, high-speed data path optimized for ...
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Chapter 2 hardware overview ni pci-1426 user manual 2-2 ni.Com camera link and the ni 1426 the ni 1426 supports the camera link base configuration. Base configuration the camera link base configuration places 24 data bits and four enable signals (frame valid, line valid, data valid, and a spare) on ...
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Chapter 2 hardware overview © national instruments corporation 2-3 ni pci-1426 user manual hardware binarization the ni 1426 supports binarization and inverse binarization. Binarization and inverse binarization segment an image into two regions: a particle region and a background region. Use binariz...
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Chapter 2 hardware overview ni pci-1426 user manual 2-4 ni.Com multiple-tap data formatter many digital cameras transfer multiple taps, or channels, of data simultaneously to increase the frame rate of the camera. However, the data in each tap may not be transferred in the traditional top-left to bo...
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Chapter 2 hardware overview © national instruments corporation 2-5 ni pci-1426 user manual note if not configured as single-ended i/o lines, triggers have input only capability. Wiring an isolated input to output devices you can wire an isolated input to both sourcing and sinking output devices. Ref...
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Chapter 2 hardware overview ni pci-1426 user manual 2-6 ni.Com figure 2-4. Example of connecting an isolated input to a sinking output device connecting to a quadrature encoder the ni 1426 accepts differential (rs-422) line driver inputs. Shielded encoder cables are recommended for all applications....
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Chapter 2 hardware overview © national instruments corporation 2-7 ni pci-1426 user manual high-speed timing built from high-speed counters, the high-speed timing circuitry on the ni 1426 can generate precise real-time control signals for your camera. Map the output of this circuitry to a trigger li...
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Chapter 2 hardware overview ni pci-1426 user manual 2-8 ni.Com scatter-gather dma controllers the ni 1426 uses three independent onboard direct memory access (dma) controllers. The dma controllers transfer data between the onboard sdram memory buffers and the pci bus. Each of these controllers suppo...
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Chapter 2 hardware overview © national instruments corporation 2-9 ni pci-1426 user manual serial interface the ni 1426 provides serial connections to and from the camera through two lvds pairs in the camera link cable. All camera link serial communication uses one start bit, one stop bit, no parity...
Page 21: Signal Connections
© national instruments corporation 3-1 ni pci-1426 user manual 3 signal connections figure 3-1 shows the connectors on the front panel of the ni 1426. Figure 3-1. Ni 1426 connectors 1 mdr 26-pin connector 2 15-pin d-sub connector triggers camera link 2 1.
Page 22: Connectors
Chapter 3 signal connections ni pci-1426 user manual 3-2 ni.Com connectors this section describes the mdr 26-pin connector and the 15-pin d-sub connector on the ni 1426. Mdr 26-pin connector the mdr 26-pin connector provides reliable high-frequency transfer rates between the camera and the acquisiti...
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Chapter 3 signal connections © national instruments corporation 3-3 ni pci-1426 user manual 15-pin d-sub connector the 15-pin d-sub connector connects to general purpose digital i/o. The general purpose digital i/o available on this connector includes four ttl i/o lines, two optically isolated input...
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Chapter 3 signal connections ni pci-1426 user manual 3-4 ni.Com connector signal connection descriptions table 3-1 describes the mdr 26-pin and 15-pin d-sub signal connections. Table 3-1. I/o connector signals signal name description ttl_trig ttl external triggers/dio lines (i/o). Dgnd direct connec...
Page 25: Cabling
© national instruments corporation a-1 ni pci-1426 user manual a cabling this appendix contains cabling requirements for the ni 1426, including camera link cable ordering information. 15-pin d-sub cable specifications national instruments provides a generic 15-pin cable assembly kit (part number 190...
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Appendix a cabling ni pci-1426 user manual a-2 ni.Com figure a-1 illustrates the camera link cable. Figure a-1. Camera link cable ordering information camera link cables are manufactured by 3m corporation and are available from both national instruments and 3m. Two-meter camera link cables (part num...
Page 27: Technical Support and
© national instruments corporation b-1 ni pci-1426 user manual b technical support and professional services visit the following sections of the national instruments web site at ni.Com for technical support and professional services: • support —online technical support resources at ni.Com/support in...
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Appendix b technical support and professional services ni pci-1426 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.Com and could not find the answers you nee...
Page 29: Glossary
© national instruments corporation g-1 ni pci-1426 user manual glossary a acquisition window the image size specific to a video standard or camera resolution. Active line region the region of lines actively being stored. Defined by a line start (relative to the vertical synchronization signal) and a...
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Glossary ni pci-1426 user manual g-2 ni.Com d daq data acquisition. (1) collecting and measuring electrical signals from sensors, transducers, and test probes or fixtures and inputting them to a computer for processing. (2) collecting and measuring the same kinds of electrical signals with a/d or di...
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Glossary © national instruments corporation g-3 ni pci-1426 user manual q quadrature encoder a device that converts angular rotation into two pulse trains, a and b. The phase difference between a and b transmits information about the direction of rotation and the number of transitions indicates the ...
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Glossary ni pci-1426 user manual g-4 ni.Com t tap a stream of pixels from a camera. Some cameras send multiple streams, or taps, of data over a cable simultaneously to increase transfer rate. Transfer rate the rate, measured in bytes/s, at which data is moved from source to destination after softwar...
Page 33: Index
© national instruments corporation i-1 ni pci-1426 user manual index numerics 15-pin d-sub connector, 3-3 cable specifications, a-1 overview, 3-3 pin assignments (figure), 3-3 a acquisition and region of interest (roi) circuitry, 2-7 acquisition start conditions, 2-8 acquisition window control activ...
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Index ni pci-1426 user manual i-2 ni.Com bus master pci interface, 2-8 camera link, base configuration, 2-2 data transmission, 2-2 high-speed timing, 2-7 multiple-tap data formatter, 2-4 scatter-gather dma controllers, 2-8 sdram, 2-4 serial interface, 2-9 start conditions, 2-8 trigger control and ma...
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Index © national instruments corporation i-3 ni pci-1426 user manual s scatter-gather dma controllers, 2-8 sdram, 2-4 serial interface, 2-9 sertc± signal (table), 3-4 sertfg± signal (table), 3-4 signal connections connectors 15-pin d-sub connector, 3-3 mdr 26-pin connector, 3-2 ni 1426 connectors (f...