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National Instruments Corporation

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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 panel
to connect to video data inputs and the external trigger signal. Figure 3-1
shows the position of the three connectors.

Figure 3-1.

NI 1411 Connectors

S-VIDEO

TRIG

VIDEO

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Summary of Contents for NI PCI-1411

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: ...0 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russi...

Page 3: ...luding photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation National Instruments r...

Page 4: ...t of Communications DOC Changes or modifications not expressly approved by NI could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission Thi...

Page 5: ...a warning advising you to take precautions to avoid electrical shock bold Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also...

Page 6: ...Integration with DAQ and Motion Control 1 4 Chapter 2 Hardware Overview Functional Overview 2 1 Video Acquisition 2 1 Video Decoder 2 2 Color Space Processor and LUTs 2 2 SDRAM 2 3 Trigger Control an...

Page 7: ...Contents NI PXI PCI 1411 User Manual viii ni com Appendix B Technical Support and Professional Services Glossary Index...

Page 8: ...the National Instruments driver software you can use to directly control the NI 1411 and other National Instruments image acquisition devices Using NI IMAQ you can quickly and easily start your applic...

Page 9: ...NI IMAQ driver software for controlling the hardware National Instruments also offers the following application software packages for analyzing and processing your acquired images Vision Builder for...

Page 10: ...uring an image sequence since it requires advanced understanding of the image acquisition device and image acquisition principles National Instruments Application Software This section describes the N...

Page 11: ...kly and test how various vision image processing functions work Vision Assistant generates a Builder file which is a text description containing a recipe of the machine vision and image processing fun...

Page 12: ...eo data from analog monochrome and color cameras The block diagram in Figure 2 1 illustrates the key functional components of the NI 1411 Figure 2 1 NI 1411 Block Diagram Video Acquisition The NI 1411...

Page 13: ...order VCR Note The NI PCI 1411 revision C NI PXI 1411 revision A and all later revisions are factory calibrated to improve measurement accuracy and board to board consistency Specifically the luma gai...

Page 14: ...e in polarity and direction Acquisition Scaling ROI The acquisition scaling and region of interest ROI circuitry monitors the incoming video signals and routes the active pixels to the SDRAM memory Th...

Page 15: ...erlaced camera and the NI 1411 in frame mode you can program the NI 1411 to start an acquisition on any odd or even field Acquisition Window Control You can configure numerous parameters on the NI 141...

Page 16: ...e by reducing the number of pixels per line the number of lines per frame or both For active pixel selection the NI 1411 can select every pixel every other pixel every fourth pixel or every eighth pix...

Page 17: ...r describes cable connections for the NI 1411 I O Connector 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 Figur...

Page 18: ...eo 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 synchronization information of the video signal C The C signal...

Page 19: ...um as shown in Figure A 1 Figure A 1 White Light and the Visible Spectrum White light is a combination of all colors at once The spectrum of white light is continuous and goes from ultraviolet to infr...

Page 20: ...r example orange and brown may have the same hue and saturation however orange has a greater intensity than brown Image Representations Color images can be represented in several different formats The...

Page 21: ...or Saturation are defined using the Red Green and Blue values in the following formulas Luminance 0 299 Red 0 587 Green 0 114 Blue Intensity Red Green Blue 3 Hue arctangent Y X where Y Green Blue and...

Page 22: ...nstruments Application Engineers make sure every question receives an answer For information about other technical support options in your area visit ni com services or contact your local office at ni...

Page 23: ...com calibration If you searched ni com and could not find the answers you need contact your local office or NI corporate headquarters Phone numbers for our worldwide offices are listed at the front of...

Page 24: ...6 G giga 109 T tera 1012 Symbols Positive of or plus Per Ohm Plus or minus Negative of or minus A A Amperes AC Alternating current acquisition window The image size specific to a video standard or cam...

Page 25: ...ds B b Bit One binary digit either 0 or 1 B Byte Eight related bits of data an eight bit binary number also used to denote the amount of memory required to store one byte of data brightness A constant...

Page 26: ...a computer and possibly generating control signals with D A and or DIO boards in the same computer dB Decibel The unit for expressing a logarithmic measure of the ratio of two signal levels dB 20log1...

Page 27: ...d on image acquisition devices to temporarily store incoming data until that data can be retrieved frame A complete image In interlaced formats a frame is composed of two fields G gamma The nonlinear...

Page 28: ...in units of 1 second I I O Input output The transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces IC In...

Page 29: ...the video picture The luma signal amplitude varies in proportion to the brightness of the video signal and corresponds exactly to the monochrome picture luminance See luma LUT Lookup table Table cont...

Page 30: ...in North America which uses 525 lines per frame See also PAL NVRAM Nonvolatile RAM RAM that is not erased when a device loses power or is turned off O operating system Base level software that control...

Page 31: ...DC it includes all nonlinearity and quantization errors but does not include offset and gain errors of the circuitry feeding the ADC resolution The smallest signal increment that can be detected by a...

Page 32: ...ronous dynamic RAM SRAM Static RAM sync Tells the display where to put a video picture The horizontal sync indicates the picture s left to right placement and the vertical sync indicates top to bottom...

Page 33: ...ent 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 fron...

Page 34: ...le spectrum figure A 1 color planes A 2 color space processor and LUTs 2 2 CompactPCI using with PXI 1 2 configuration acquisition window control 2 4 board configuration NVRAM 2 4 connector for NI 141...

Page 35: ...B 1 L LabVIEW migrating inspection from Vision Builder AI 1 3 look up tables LUTs 2 2 luminance 32 bit HSL and HSI A 3 definition A 2 hue saturation luminance and intensity planes A 3 LUTs look up tab...

Page 36: ...figure 3 1 signal description table 3 2 software NI 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...

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