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- Page 1 IMAQ ™ ™ IMAQ PCI/PXI -1422 User Manual High-Quality Digital Image Acquisition Board for PCI, PXI, and CompactPCI Chassis IMAQ PCI/PXI-1422 User Manual April 2001 Edition Part Number 322158C-01...
- Page 2 Singapore 2265886, Spain 91 640 0085, Sweden 08 587 895 00, Switzerland 056 200 51 51, Taiwan 02 2528 7227, United Kingdom 01635 523545 For further support information, see the Technical Support Resources appendix. To comment on the documentation, send e-mail to techpubs@ni.com Copyright © 1999, 2001 National Instruments Corporation. All rights reserved.
- Page 3 The reader should consult National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it.
- Page 4 Classification requirements are the same for the Federal Communications Commission (FCC) and the Canadian Department of Communications (DOC). Changes or modifications not expressly approved by National Instruments could void the user’s authority to operate the equipment under the FCC Rules.
- Page 5 Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. European Union - Compliance to EEC Directives Readers in the EU/EEC/EEA must refer to the Manufacturer's Declaration of Conformity (DoC) for information** pertaining to the CE Mark compliance scheme.
- Page 6 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, DBIO<3..0>. ♦ The ♦ symbol indicates that the following text applies only to a specific product, a specific operating system, or a specific software version.
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Page 7: Table Of Contents
Chapter 1 Introduction About the PCI/PXI-1422 ....................1-1 Using PXI with CompactPCI..................1-2 Software Programming Choices ..................1-3 NI-IMAQ Driver Software ................1-4 National Instruments IMAQ Vision ..............1-5 IMAQ Vision Builder..................1-5 Integration with DAQ..................1-6 Vision and Motion...................1-6 Chapter 2 Installation What You Need to Get Started ..................2-1 Optional Equipment .......................2-2... - Page 8 Contents Chapter 4 Signal Connections I/O Connector ........................ 4-1 Signal Description ......................4-3 Appendix A Specifications Appendix B Technical Support Resources Glossary Index IMAQ PCI/PXI-1422 User Manual ni.com...
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Page 9: About The Pci/Pxi-1422
The PCI/PXI-1422 uses its Real-Time System Integration (RTSI) bus to solve this problem. The RTSI bus consists of the National Instruments RTSI bus interface and ribbon cable to route additional timing and trigger signals ©... -
Page 10: Using Pxi With Compactpci
Chapter 1 Introduction between the PCI/PXI-1422 and up to four National Instruments DAQ or IMAQ devices in your computer. The RTSI bus can even synchronize multiple IMAQ hardware captures. For more detailed specifications on the PCI/PXI-1422, see Appendix A, Specifications. -
Page 11: Software Programming Choices
Using NI-IMAQ, the National Instruments image acquisition driver software, you can program your IMAQ device to acquire and save images. You can use NI-IMAQ with other National Instruments software for a complete image acquisition and analysis solution, as shown in Figure 1. -
Page 12: Ni-Imaq Driver Software
The NI-IMAQ driver software performs all functions required for acquiring and saving images. The NI-IMAQ software does not perform image analysis. For image analysis functionality, refer to the National Instruments IMAQ Vision section in this chapter. For maximum flexibility and performance, NI-IMAQ has both high-level and low-level functions. -
Page 13: National Instruments Imaq Vision
Chapter 1 Introduction National Instruments IMAQ Vision IMAQ Vision is an image acquisition, processing, and analysis library of more than 200 functions for grayscale, color and binary image display, image processing, pattern matching, shape matching, blob analysis, gauging, and measurement. -
Page 14: Integration With Daq
Introduction Integration with DAQ Any platform that supports NI-IMAQ also supports NI-DAQ and a variety of National Instruments DAQ boards, so your IMAQ device and NI-IMAQ development can integrate with National Instruments DAQ products. Vision and Motion With National Instruments IMAQ hardware and IMAQ Vision pattern... -
Page 15: Installation
Measurement Studio (LabWindows/CVI, Tools for Visual Basic) ❑ Your Pentium-based PCI computer running Windows 2000/NT/Me/ or 9x. ❑ IMAQ D100 series camera cables, depending on your camera ❑ A digital video camera © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual... -
Page 16: Optional Equipment
For more specific information about these products, refer to the National Instruments catalog or Web site, or call the office nearest you. How to Set up Your IMAQ System Use Figure 2-1 as a guide while you install your software and hardware, configure your hardware, and begin using NI-IMAQ in your application programs. - Page 17 NI-IMAQ functions. If you are using IMAQ Vision for LabWindows/CVI, read the documentation for IMAQ Vision for LabWindows/CVI. Figure 2-1. How to Set up Your IMAQ System © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
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Page 18: Safety Information
If the device is damaged, turn it off and do not use it until service-trained personnel can check its safety. If necessary, return the device to National Instruments for repair. Keep away from live circuits. Do not remove equipment covers or shields unless you are trained to do so. -
Page 19: Unpacking
Ground yourself via a grounding strap or by holding a grounded object. • Touch the antistatic package to a metal part of your computer chassis before removing the board from the package. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual... -
Page 20: Installation
• Remove the board from the package and inspect the board for loose components or any other signs of damage. Notify National Instruments if the board appears damaged in any way. Do not install a damaged board in your computer. - Page 21 Screw the front panel of the PXI-1422 to the front panel mounting rails of the PXI or CompactPCI chassis. Visually verify the installation. Plug in and turn on the PXI or CompactPCI chassis. Your PXI-1422 is now installed. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
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Page 22: Hardware Overview
The PCI/PXI-1422 features a flexible, high-speed data path optimized for the reception and formatting of video data from digital cameras. The block diagram in Figure 3-1 illustrates the key functional components of the PCI/PXI-1422. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual... -
Page 23: Differential/Ttl Level Converters
Chapter 3 Hardware Overview Synchronous Dynamic RAM UART Memory IMAQ SDRAM Data Data Data Data Memory Interface Enables PCI Interface Pixel Clock and Camera Enables Scatter-Gather Differential/ Pixel DMA Controllers Clock Converter Advanced Master Acquisition, Scaling, Clock Triggering ROI, and Control and Timing Camera Control... -
Page 24: Multiple-Tap Data Formatter
PCI/PXI-1422 status signals to these trigger lines. There are four external and four RTSI bus triggers. You can program each of these triggers in polarity and direction. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual... -
Page 25: High-Speed Timing
Chapter 3 Hardware Overview High-Speed Timing The high-speed timing circuitry on the PCI/PXI-1422, built from high-speed counters, allows you to specify or generate precise, real-time control signals. You can map the output of this circuitry to a trigger line to provide accurate pulses and pulse trains. Acquisition, Scaling, ROI The acquisition, scaling, and region-of-interest (ROI) circuitry monitors the incoming video signals and routes the active pixels to the multiple-tap... -
Page 26: Video Acquisition
Region of interest—The PCI/PXI-1422 uses a second level of active pixel and active line regions for selecting a region of interest. Using the region-of-interest circuitry, the board acquires only a selected subset of the acquisition window. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual... - Page 27 Chapter 3 Hardware Overview • Scaling down—The scaling-down circuitry also controls the active acquisition region. The PCI/PXI-1422 can scale down a frame by reducing the number of pixels per line, the number of lines per frame, or both. For active pixel selection, the PCI/PXI-1422 can select every pixel, every other pixel, every fourth pixel, or every eighth pixel.
- Page 28 RS-232 serial interface, and the external trigger signals. To access these connections, you can build your own custom cable or use one of the optional cables from National Instruments. Refer to the National Instruments Web site, , for the latest Note ni.com/imaq...
- Page 29 Chapter 4 Signal Connections Data0+ Not Used Data0– Not Used Data1+ Not Used Data1– Not Used Data2+ Not Used Data2– Not Used Data3+ Not Used Data3– Not Used Data4+ Not Used Data4– Not Used Data5+ Not Used Data5– Not Used Data6+ Not Used Data6–...
- Page 30 Possible clock frequencies range from 500 kHz to 40 MHz. Pixel Clock± The PCI/PXI-1422 uses the Pixel Clock input as a reference clock to latch the incoming video data. Ring Indicator is used for RS-232 connections. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 31 Chapter 4 Signal Connections Table 4-1. I/O Connector Signals (Continued) Signal Name Description Request to Send is used for RS-232 connections. Serial Data In is used for RS-232 connections. SOUT Serial Data Out is used for RS-232 connections. IMAQ PCI/PXI-1422 User Manual ni.com...
- Page 32 Master clock level ........Rising edge Control signal drive........ Selectable (TTL or differential) Control signal level ........ Programmable (rising or falling) Minimum control signal pulse width ..20 ns Video data sense........Differential © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 33 Appendix A Specifications Usage ............Indoor use only Clocks Master clock frequency range....500 kHz to 40 MHz (± 0.5% of selected frequency) Pixel clock frequency range....500 kHz to 40 MHz PCI Interface PCI initiator (master) capability .....Supported PCI target (slave) capability ....Supported Data path..........16 bits Card voltage..........5 V, 12 V, –12 V Card type..........32-bit half-size card...
- Page 34 30 shocks per face Operational random vibration (PXI only) ..........5 to 500 Hz, 0.31 grms, 3 axes Nonoperational random vibration (PXI only) ..........5 to 500 Hz, 2.5 grms, 3 axes © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 35 Appendix A Specifications Note Random vibration profiles were developed in accordance with MIL-T-28800E and MIL-STD-810E Method 514. Test levels exceed those recommended in MIL-STD-810E for Category 1 (Basic Transportation, Figures 514.4-1 through 514.4-3). Electromagnetic Compatibility EMC/EMI ..........CE, C-Tick, and FCC Part 15 (Class A) Compliant Electrical emissions ........EN 55011 Class A at 10 meters FCC Part 15A above 1 GHz...
- Page 36 Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation, configuration, and application problems and questions. Online problem-solving and diagnostic resources include frequently asked questions, knowledge bases, product-specific troubleshooting wizards, manuals, drivers, software updates, and more. Web support is available through the Technical Support section of ni.com...
- Page 37 Appendix B Technical Support Resources Worldwide Support National Instruments has offices located around the world to help address your support needs. You can access our branch office Web sites from the Worldwide Offices section of . Branch office Web sites provide ni.com...
- Page 38 Positive of, or plus. Per. Ω Ohm. ± Plus or minus. – Negative of, or minus. Amperes. Alternating current. acquisition window The image size specific to a video standard or camera resolution. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 39 Glossary 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. 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.
- Page 40 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 IMAQ PCI/PXI-1422 User Manual...
- Page 41 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 42 Least significant bit. Lookup table. Table containing values used to transform the gray-level values of an image. For each gray-level value in the image, the corresponding new value is obtained from the look-up table. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 43 Multiplexer. A switching device with multiple inputs that selectively connects one of its inputs to its output. NI-IMAQ Driver software for National Instruments IMAQ 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 44 Resolution can be expressed in bits, in proportions, or in percent of full scale. For example, a system has 12-bit resolution, one part in 4,096 resolution, and 0.0244 percent of full scale. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 45 Region of interest. A hardware-programmable rectangular portion of the acquisition window. Read-only memory. RTSI bus Real-Time System Integration Bus. The National Instruments timing bus that connects IMAQ and DAQ boards directly, by means of connectors on top of the boards, for precise synchronization of functions. Seconds.
- Page 46 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. © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 47 3-2 high-speed timing, 3-4 LUTs, 3-2 DAQ, integration with, 1-6 multiple-tap data formatter, 3-3 data formatter, multiple-tap, 3-3 RS-232 serial interface, 3-3 Data<0..15>± signal (table), 4-3 scatter-gather DMA controllers, 3-4 © National Instruments Corporation IMAQ PCI/PXI-1422 User Manual...
- Page 48 3-5 motion control, and vision, 1-6 high-speed timing circuitry, 3-4 multiple-tap data formatter, 3-3 IMAQ PCI/PXI-1422 National Instruments Web support, B-1 to B-2 optional equipment, 2-2 NI-IMAQ driver software, 1-4 overview and features, 1-1 to 1-2 NI-IMAQ functions (figure), 1-4...
- Page 49 IMAQ Vision, 1-5 unpacking IMAQ PCI/PXI-1422, 2-5 NI-IMAQ driver software, 1-4 SOUT signal (table), 4-4 specifications clocks, A-1 Web support from National Instruments, environment, A-3 B-1 to B-2 external connections, A-1 online problem-solving and diagnostic PCI interface, A-2 resources, B-1...
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