National Instruments NI PXI-1411 User Manual
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National Instruments NI PXI-1411 User Manual

National Instruments NI PXI-1411 User Manual

Single-channel color image acquisition device
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NI Vision
NI PXI/PCI-1411 User Manual
Single-Channel Color Image Acquisition Device
NI PXI/PCI-1411 User Manual
February 2007
372157D-01

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  • Page 1 NI Vision NI PXI/PCI-1411 User Manual Single-Channel Color Image Acquisition Device NI PXI/PCI-1411 User Manual February 2007 372157D-01...
  • Page 2 Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 For further support information, refer to the Technical Support and Professional Services appendix. To comment on National Instruments documentation, refer to the National Instruments Web site at and enter ni.com/info the info code feedback ©...
  • Page 3 Instruments Corporation. National Instruments respects the intellectual property of others, and we ask our users to do the same. NI software is protected by copyright and other intellectual property laws. Where NI software may be used to reproduce software or other materials belonging to others, you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction.
  • Page 4 These classes are known as Class A (for use in industrial-commercial locations only) or Class B (for use in residential or commercial locations). All National Instruments (NI) products are FCC Class A products. Depending on where it is operated, this Class A product could be subject to restrictions in the FCC rules. (In Canada, the Department of Communications (DOC), of Industry Canada, regulates wireless interference in much the same way.) Digital...
  • Page 5 Conventions The following conventions are used in this manual: » The » symbol leads you through nested menu items and dialog box options to a final action. The sequence File»Page Setup»Options directs you to pull down the File menu, select the Page Setup item, and select Options from the last dialog box.

  • Page 6: Table Of Contents

    Introduction About the NI 1411 ......................1-1 Using PXI with CompactPCI..................1-2 Software Overview ......................1-2 NI-IMAQ Driver Software ................1-2 National Instruments Application Software ............1-3 Vision Builder for Automated Inspection.........1-3 Vision Development Module ............1-4 Integration with DAQ and Motion Control .............1-4 Chapter 2 Hardware Overview Functional Overview......................2-1...
  • Page 7 Contents Appendix B Technical Support and Professional Services Glossary Index NI PXI/PCI-1411 User Manual viii ni.com...

  • Page 8: About The Ni 1411

    (I/O) line. If you require more advanced triggering or digital I/O lines, you can use the NI 1411 and NI-IMAQ with the National Instruments data acquisition (DAQ) product line.

  • Page 9: Using Pxi With Compactpci

    PICMG 2.0 R2.1 CompactPCI core specification. Software Overview Programming the NI 1411 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.

  • Page 10: National Instruments Application Software

    NI-IMAQ performs all functions required for acquiring and saving images but does not perform image analysis. For image analysis functionality, refer to the National Instruments Application Software section of this chapter. NI-IMAQ also provides the interface path between the NI 1411 and ™...

  • Page 11: Vision Development Module

    Integration with DAQ and Motion Control Platforms that support NI-IMAQ also support NI-DAQ and a variety of National Instruments DAQ devices. This allows integration between image acquisition devices and National Instruments DAQ products. Use National Instruments high-performance stepper and servo motion...

  • Page 12: Hardware Overview

    Video Acquisition The NI 1411 can acquire analog color video in a variety of modes and store the images in the onboard SDRAM memory or transfer the images directly to PCI system memory. © National Instruments Corporation NI PXI/PCI-1411 User Manual...

  • Page 13: Video Decoder

    High-quality circuitry regenerates even bad timing signals allowing acquisitions from, for example, a video cassette recorder (VCR). The NI PCI-1411 revision C, NI PXI-1411 revision A, and all later revisions are Note factory calibrated to improve measurement accuracy and board-to-board consistency.

  • Page 14: Sdram

    Bus Master PCI Interface The NI 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.

  • Page 15: Board Configuration Nvram

    Chapter 2 Hardware Overview read and write cycles, both single and multiple. 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.
  • Page 16 For active line selection, the NI 1411 can select every line, every other line, every fourth line, or every eighth line. You can use the scaling down circuitry in conjunction with the region-of-interest circuitry. © National Instruments Corporation NI PXI/PCI-1411 User Manual...

  • Page 17: Signal Connections

    The NI 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 3-1 shows the position of the three connectors. VIDEO S-VIDEO TRIG Figure 3-1. NI 1411 Connectors © National Instruments Corporation NI PXI/PCI-1411 User Manual...

  • Page 18: Signal Description

    Chapter 3 Signal Connections Signal Description Table 3-1 describes each signal connection on the NI 1411 device connectors: Table 3-1. I/O Connector Signals Signal Name Description VIDEO Composite Video—The signal allows you to make a referenced single-ended (RSE) connection to the video channel. S-VIDEO S-Video—A connector composed of two signals, as follows: Y—The Y signal of the S-Video connection contains the luma and...

  • Page 19: Introduction To Color

    (R, G, and B primaries). You can simulate most colors of the visible spectrum using these primaries. For example, video projectors use red, green, and blue light generators, and an RGB camera uses red, green, and blue sensors. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 20 Appendix A Introduction to Color The perception of a color depends on many factors, such as: • Hue, which is the perceived dominant color. Hue depends directly on the wavelength of a color. • Saturation, which is dependent on the amount of white light present in a color.
  • Page 21 You can also pack the three 8-bit Hue, Saturation, and Luminance planes (HSL) or the three Hue, Saturation, and Intensity planes (HSI) in one array of 32-bit integers, which is equivalent to the 32-bit RGB representation. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 22 Technical Support and Professional Services Visit the following sections of the National Instruments Web site at for technical support and professional services: ni.com • Support—Online technical support resources at ni.com/support include the following: – Self-Help Resources—For answers and solutions, visit the...
  • Page 23 Appendix B Technical Support and Professional Services • Calibration Certificate—If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration If you searched and could not find the answers you need, contact ni.com your local office or NI corporate headquarters. Phone numbers for our worldwide offices are listed at the front of this manual.
  • Page 24 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 line count. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 25 Glossary active pixel region The region of pixels actively being stored. Defined by a pixel start (relative to the horizontal synchronization signal) and a pixel count. address Value that identifies a specific location (or series of locations) in memory. Application programming interface. area A rectangular portion of an acquisition window or frame that is controlled and defined by software.
  • Page 26 The ratio of the largest signal level a circuit can handle to the smallest signal level it can handle (usually taken to be the noise level), normally expressed in decibels. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 27 Glossary EEPROM Electrically erasable programmable read-only memory. ROM that can be erased with an electrical signal and reprogrammed. external trigger A voltage pulse from an external source that triggers an event such as A/D conversion. field For an interlaced video signal, a field is half the number of horizontal lines needed to represent a frame of video.
  • Page 28 A computer signal indicating that the CPU should suspend its current task to service a designated activity. interrupt level The relative priority at which a device can interrupt. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 29 Glossary Interrupt request. See interrupt. Kilo. The standard metric prefix for 1,000, or 10 , used with units of measure such as volts, hertz, and meters. Kilo. The prefix for 1,024, or 2 , used with B in quantifying data or computer memory.
  • Page 30 Multiplexer. A switching device with multiple inputs that selectively connects one of its inputs to its output. NI-IMAQ Driver software for National Instruments image acquisition hardware. noninterlaced A video frame where all the lines are scanned sequentially, instead of divided into two frames as in an interlaced video frame.
  • Page 31 Glossary pixel count The total number of pixels between two horizontal synchronization signals. The pixel count determines the frequency of the pixel clock. Phase-locked loop. Circuitry that provides a very stable pixel clock that is referenced to another signal, for example, an incoming horizontal synchronization signal.
  • Page 32 Circuitry that routes, monitors, and drives external and RTSI bus trigger mapping circuitry lines. You can configure each of these lines to start or stop acquisition on a rising or falling edge. Transistor-transistor logic. © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 33 Glossary Voltage-controlled oscillator. An oscillator that changes frequency depending on a control signal; used in a PLL to generate a stable pixel clock. Virtual Instrument. (1) A combination of hardware and/or software elements, typically used with a PC, that has the functionality of a classic stand-alone instrument (2) A LabVIEW software module (VI), which consists of a front panel user interface and a block diagram program.
  • Page 34 PCI interface, 2-3 CompactPCI, using with PXI, 1-2 color-space processor and LUTs, 2-2 configuration functional overview, 2-1 acquisition window control, 2-4 scatter-gather DMA controllers, 2-3 board configuration NVRAM, 2-4 SDRAM, 2-3 © National Instruments Corporation NI PXI/PCI-1411 User Manual...
  • Page 35 NVRAM, 2-4 hue, saturation, luminance, and intensity SDRAM, 2-3 planes, A-3 motion control, integrating with, 1-4 I/O connector (figure), 3-1 National Instruments support and services, image representations 32-bit HSL and HSI, A-2 NI 1411 color planes, A-2 See also hardware overview...
  • Page 36 (table), 3-2 software (NI resources), B-1 Web resources, B-1 software programming choices NI Vision, 1-4 NI-IMAQ driver software, 1-2 Vision Builder AI, 1-3 start conditions, 2-4 support, technical, B-1 S-VIDEO signal (table), 3-2 © National Instruments Corporation NI PXI/PCI-1411 User Manual...

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