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IMAQ PCI-1428 User Manual

1. 1 5 National Instruments IMAQ Vision 1 6 IMAQ Vision Builder necne isse teet dei eee dede 1 6 Int gration with DAQ 5 n etie eret rie ete eere e ten 1 7 Vision and Motion eee teer ote 1 7 Chapter 2 Installation What You Need to Get Started e e e D NER s 2 1 Optional Equipment itt e dri do bee E d e e 2 2 Setting up Your IMAQ System esent tptepe tna tarap o skoss arasina aa 2 2 2 4 Safety Information utere e e Ht e ER Re dei 2 4 OE ES 2 6 Configuring the PCI 1428 isset eee ta e ep e dee ebore 2 7 Chapter 3 Hardware Overview Functional 2 A RNC 3 1 Camera Link and 420 3 2 Base Configuration eie dst 3 2 Medium Configuration essere 3 3 Data Eransrmisslori oui ses S RERO RENTEN 3 3 NUBE 3 3 Multiple Tap Data Formatter sese eee nnn 3 4 SDRAM ee disiecta deett Epi anie E 3 4 Trigger Control and Mapping Circuitry 3 4 High Speed Timing eee teet tete de i d Hae dee 3 4 Acquisition 36 1 0
2. nenne 3 5 Scatter Gather DMA Controllers 3 5 Bus Master PCI Interface 3 5 National Instruments Corporation vii IMAQ PCI 1428 User Manual Contents Start Conditions nent d a ERR ER Rae CREER 3 5 Acquisition Window Control 3 6 Serial Interface cue n teet oe the He t e eere pg 3 6 Chapter 4 Signal Connections CODnDeCtOIS 4 1 MDR 26 Pin Connector et e reb ERE RR ens 4 2 68 Pin VHDCT Connectors 1e e east oeste 4 2 Connector Signal Connection Descriptions 4 3 Appendix A Specifications Appendix B Cabling Appendix C Technical Support Resources Glossary Index IMAQ PCI 1428 User Manual viii ni com Introduction This chapter provides an overview of the PCI 1428 image acquisition device the Camera Link standard Camera Link PCI 1428 interfacing guidelines and your software programming choices About the IMAQ PCI 1428 The PCI 1428 is a highly flexible IMAQ device that supports a diverse range of Camera Link compatible cameras from various camera companies The PCI 1428 acquires digital images in real time and stores the images in onboard frame memory or transfers them di
3. Chapter 1 Introduction Vision Software IMAQ Vision Image Blob Pattern Gauging and Analysis Analysis Matching Measurement Color Matching Display Energ and Analysis and ROI Morphology Application Software LabVIEW Measurement Studio LabWindows CVI Visual C Visual Basic Driver Software NI IMAQ NI DAQ NI Motion Hardware IMAQ DAQ ValueMotion FlexMotion Figure 1 1 The Relationship between the Programming Environment NI IMAQ and Hardware IMAQ PCI 1428 User Manual 1 4 ni com Chapter 1 Introduction NI IMAQ Driver Software The NI IMAQ driver software is included with your IMAQ device NI IMAQ has an extensive library of functions you can call from your application programming environment These functions include routines for video configuration image acquisition continuous and single shot memory buffer allocation trigger control and device configuration as shown in Figure 1 2 NI IMAQ Image Acquisition Triggering DAQ Buffer Control Camera Control Lookup Table and Timing Synchronization Control Figure 1 2 NI IMAQ Functions The NI IMAQ driver software performs all functions required for acquiring and saving images but it does not perform any image analysis For image analysis functionality refer to the National Instruments IMAQ Vision section in this chapter For maximum flexibility and performance NI IMAQ features bo
4. 2001 2002 National Instruments Corporation All rights reserved Important Information Warranty The IMAQ PCI 1428 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 defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In
5. Cabling This appendix contains cabling requirements for the PCI 1428 including Camera Link cable ordering information 68 Pin VHDCI Cable Specification National Instruments offers cables and accessories for connecting to video sources trigger sources or synchronization sources However if you want to develop your own cable for the 68 pin VHDCI connector you must use twisted pairs for each signal For information on connector pin assignments see the Connectors section in Chapter 4 Signal Connections Camera Link Cables Use a 3M Camera Link cable or build your own cable not recommended to connect your camera to the MDR 26 pin connector on the PCI 1428 device Camera Link cables consist of two MDR 26 male plugs linked with a twin axial shielded cable and are available in two shell configurations For more information on Camera Link cables reference the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual This manual is available on several Web sites including the Automated Imaging Association site at machinevisiononline org National Instruments Corporation B 1 IMAQ PCI 1428 User Manual Appendix B Cabling Figure B 1 illustrates the Camera Link cable ND 1 MDR 26 Pin Male Plug 2 2X Thumbscrews Figure B 1 Camera Link Cable Ordering Information IMAQ PC
6. LabWindows CVI Visual C Visual Basic IMAQ Vision Builder LabVIEW Measurement Studio LabWindows CVI tools for Visual Basic 2 1 IMAQ PCI 1428 User Manual Chapter 2 Installation Optional Equipment National Instruments offers a variety of products for use with the PCI 1428 including the following e MDR 26 pin Camera Link cable from 3M for Base configuration e IMAQ D6804 breakout cable for external triggering only e RTSI bus cables for connecting the PCI 1428 to other IMAQ motion control or DAQ devices e Other National Instruments DAQ devices for enhanced triggering timing or input output For more specific information about these products refer to the National Instruments catalog or Web site or call the office nearest you Setting up Your IMAQ System Use Figure 2 1 while installing software and hardware configuring hardware and using NI IMAQ in application programs Follow the instructions in the Getting Started with Your IMAQ System document while installing the NI IMAQ software and IMAQ hardware When accessing the NI IMAQ device drivers through a programming environment read the NI IMAQ Release Notes and the NI IMAQ User Manual for help in getting started IMAQ PCI 1428 User Manual 2 2 ni com Chapter 2 Installation Read the Getting Started with Your IMAQ System document and the NI IMAQ release notes to install your NI IMAQ software IMAQ hardware and documentation Confi
7. window 3 6 scatter gather DMA controllers 3 5 SDRAM 3 4 serial interface 3 6 to 3 7 SerTCz signal table 4 4 SerTFGz signal table 4 4 signal connections 4 1 to 4 4 connectors 68 pin VHDCI connector 4 2 to 4 3 MDR 26 pin connector 4 2 PCI 1428 connectors figure 4 1 signal description table 4 3 to 4 4 software controlled start conditions 3 5 software programming choices 1 3 to 1 7 IMAQ Vision Builder 1 6 to 1 7 integration with DAQ 1 7 National Instruments IMAQ Vision 1 6 NI IMAQ driver software 1 5 National Instruments Corporation F3 Index pattern matching software for vision and motion 1 7 relationship between programming environment NI IMAQ and hardware figure 1 4 specifications clocks A 1 environment A 2 external connections A 1 PCI interface A 1 to A 2 physical A 2 power requirements A 2 start conditions delayed acquisition 3 6 software control 3 5 trigger control 3 5 system integration by National Instruments C 1 T technical support resources C 1 to C 2 timing circuitry high speed 3 4 to 3 5 trigger control and mapping circuitry 3 4 trigger controlled start conditions 3 5 trigger lines using as digital I O lines note 1 1 TTL_TRIG signal table 4 3 U unpacking IMAQ PCI 1428 2 4 V 68 pin VHDCI connector 4 2 to 4 3 cable specifications B 1 overview 4 2 pin assignments figure 4 3 IMAQ PCI 1428 User Manual Index W Web support f
8. 2 6 setting up the IMAQ system 2 2 to 2 3 software programming choices 1 3 to 1 7 IMAQ Vision Builder 1 6 to 1 7 integration with DAQ 1 7 National Instruments IMAQ Vision 1 6 NI IMAQ driver software 1 5 IMAQ PCI 1428 User Manual l 2 pattern matching software for vision and motion 1 7 relationship between programming environment NI IMAQ and hardware figure 1 4 unpacking 2 4 IMAQ Vision Builder software integration with DAQ 1 7 overview 1 6 to 1 7 pattern matching capabilities 1 7 installation cabling B 1 to B 2 68 pin VHDCI cable specifications B 1 Camera Link cables B 1 to B 2 procedure 2 6 to 2 7 safety information 2 4 to 2 6 unpacking IMAQ PCI 1428 2 4 I O connector See connectors L LUTs lookup tables 3 3 M mapping circuitry 3 4 MDR 26 pin connector 4 2 Measurement and Automation Explorer MAX 1 3 Medium configuration Camera Link 3 3 multiple tap data formatter 3 4 National Instruments IMAQ Vision software 1 6 NI Developer Zone C 1 NI IMAQ driver software 1 5 ni com 0 optional equipment 2 2 P PCI interface specifications A 1 to A 2 physical specifications A 2 power requirements A 2 R region of interest in acquisition window control 3 6 region of interest ROI circuitry 3 5 requirements for getting started 2 1 to 2 2 S safety information 2 4 to 2 6 scaling acquisition scaling ROI circuitry 3 5 scaling down circuitry in acquisition
9. 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 This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash Bold text denotes items that you must select or click on in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions and code excerpts Contents Chapter 1 Introduction About the IMAQ PCI 14285 1 1 Camera Link tab pa eret a oes ee 1 2 OVER VIC Waco tavit Pese Hh detested da teen ue ves E RNC HRR 1 2 Interfacing with the PCI 1428 hated reete eei deerit 1 2 Software Programming Choices 1 3 NI IMAQ Driver Software
10. a single frame or a sequence of frames e Trigger control You can start an acquisition by enabling external or RTSI bus trigger lines Each of these inputs can start a video acquisition on a rising or falling edge You can use all four external triggers and up to four RTSI bus triggers simultaneously National Instruments Corporation 3 5 IMAQ PCI 1428 User Manual Chapter 3 Hardware Overview Delayed acquisition Use either software or triggers to start acquisitions instantaneously or after skipping a specific number of frames You can use delayed acquisition for post trigger applications Acquisition Window Control You can configure the following parameters on the PCI 1428 to control the video acquisition window Serial Interface IMAQ PCI 1428 User Manual Acquisition window The PCI 1428 allows the user to specify a particular region of active pixels and active lines within the incoming video data The active pixel region selects the starting pixel and number of pixels to be acquired relative to the assertion edge of the horizontal or line enable signal from the camera The active line region selects the starting line and number of lines to be acquired relative to the assertion edge of the vertical or frame enable signal Region of interest The PCI 1428 uses a second level of active pixel and active line regions for selecting a region of interest Using the region of interest circuitry the device acquires only a sele
11. access A method by which data can be transferred to and from computer memory from and to a device or memory on the bus while the processor does something else DMA is the fastest method of transferring data to from computer memory Dynamic RAM Software that controls a specific hardware device such as an image acquisition board 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 Electrically erasable programmable read only memory ROM that can be erased with an electrical signal and reprogrammed A voltage pulse from an external source that triggers an event such as A D conversion National Instruments Corporation G 3 IMAQ PCI 1428 User Manual Glossary FIFO ft 10 IC IEEE in instrument driver interrupt interrupt level IRQ IMAQ PCI 1428 User Manual First in first out memory buffer The first data stored is the first data sent to the acceptor FIFOs are used on IMAQ devices to temporarily store incoming data until that data can be retrieved Feet Hour Hertz Frequency in units of one cycle per second Input output The transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces Integrated circuit Institute of Electrical and Electronics Engineers Inches A set of high level
12. acquisition device to the camera National Instruments Corporation 4 3 IMAQ PCI 1428 User Manual Chapter 4 Signal Connections Table 4 1 0 Connector Signals Continued Signal Name Description Y lt 3 0 gt LVDS Medium configuration data and enable signals from the acquisition device to the camera XCLK Transmission clock on the Base configuration chip for Camera Link communication between the acquisition device and the camera YCLK Transmission clock on the Medium configuration chip for Camera Link communication between the acquisition device and the camera SerTC Serial transmission to the camera from the image acquisition device SerTFG Serial transmission to the frame grabber from the camera CC lt 4 1 gt Four LVDS pairs defined as camera inputs and acquisition device outputs reserved for camera control On some cameras the camera controls allow the acquisition device to control exposure time and frame rate IMAQ PCI 1428 User Manual 4 4 ni com Specifications This appendix lists the specifications of the PCI 1428 These specifications are typical at 25 C unless otherwise stated External Connections Trigger Sense TTL Trigger level tetris Programmable rising or falling Pixel clock ceteras Camera Link compatible Enables tt etr Camera Link compatible Control 31 2 Camera Link
13. and serializes the stream to four LVDS EIA 644 data streams and an LVDS clock providing high speed data transmission across 10 wires and over distances of up to 10 m Interfacing with the PCI 1428 IMAQ PCI 1428 User Manual The Camera Link standard defines physical connections between image acquisition devices and Camera Link cameras and it allows for flexibility of image format and data transfer protocols The camera manufacturer defines image parameters such as image resolution and the number of bits per pixel Camera control parameters such as frame on demand and exposure control signals are also defined by the camera manufacturer 1 2 ni com Chapter 1 Introduction These variable parameters are defined on a per camera basis in a camera file camera model icd supplied by National Instruments The NI IMAQ driver software uses the information in this camera file to program the PCI 1428 to acquire images from a specific camera Without this camera file the driver does not have the information necessary to configure the PCI 1428 for acquisition Measurement amp Automation Explorer MAX the National Instruments configuration utility provides a simple interface for associating a camera file with the PCI 1428 Use the following guidelines to access the camera file in MAX 1 Launch MAX and expand the Devices and Interfaces branch of the configuration tree 2 Expand the IMAQ PCI 1428 branch Right click Channel 0 and s
14. brush Remove other contaminants with a stiff nonmetallic brush The unit must be completely dry and free from contaminants before returning it to service You must insulate signal connections for the maximum voltage for which the device is rated Do not exceed the maximum ratings for the device Remove power from signal lines before connection to or disconnection from the device Operate this device only at or below the installation category stated in the specifications Installation categories are listed below e Installation Category IV for measurements performed at the source of the low voltage 1000 V installation Examples include electricity meters measurements on primary overcurrent protection devices and ripple control units e Installation Category III for measurements performed in the building installation Examples include measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation equipment for industrial use and some other types of equipment such as stationary motors permanently connected to the fixed installation e Installation Category II for measurements performed on circuits directly connected to the low voltage installation Examples include National Instruments Corporation 2 5 IMAQ PCI 1428 User Manual Chapter 2 Installation measurements on household appliances portable tools and other similar equ
15. is connected Consult the dealer or an experienced radio TV technician for help Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel 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 The Manufacturer includes a DoC for most every hardware product except for those bought for OEMs if also available from an original manufacturer that also markets in the EU or where compliance is not required as for electrically benign apparatus or cables Certain exemptions may apply in the USA see FCC Rules 15 103 Exempted devices and 15 105 c Also available in sections of CFR 47 The CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer Conventions lt gt bold italic monospace This manual uses the following conventions Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name for example DBIO lt 3 0 gt The symbol leads you through nested menu items and dialog box options to a final action The sequence
16. rates between the camera and the acquisition device To access this connector use a 3M Camera Link cable For additional information on Camera Link cables including ordering information and cable lengths see the Camera Link Cables section in Appendix B Cabling Figure 4 2 shows the PCI 1428 MDR 26 pin connector assignments See Table 4 1 for a description of the MDR 26 and 68 pin VHDCI signal connections A DGND 14 1 DGND CC 4 15 2 CC 4 cc 3 16 3 CC 3 CC 2 17 4 CC 2 CC 1 18 5 CC 1 SerTFG 19 6 SerTFG SerTC 20 7 SerTC X 3 21 8 X 3 XCLK 22 9 XCLK X 2 23 10 X 2 X 1 24 11 7 1 X 0 25 12 X 0 DGND 26 13 DGND lt Figure 4 2 MDR 26 Pin Connector Assignments 68 Pin VHDCI Connector IMAQ PCI 1428 User Manual The 68 pin VHDCI connector connects to external digital I O lines and triggers To access these connections build a custom cable or use an optional cable from National Instruments For information on building a custom cable for the 68 pin VHDCI connector see the 68 Pin VHDCI Cable Specification section in Appendix B Cabling Figure 4 3 shows the 68 pin VHDCI connector pinout See Table 4 1 for a description of the MDR 26 and 68 pin VHDCI signal connections 4 2 ni com Chapter 4 Signal Connecti
17. software functions such as NI IMAQ that control specific plug in computer boards Instrument drivers are available in several forms ranging from a function callable from a programming language to a virtual instrument VI in LabVIEW A computer signal indicating that the CPU should suspend its current task to service a designated activity The relative priority at which a device can interrupt Interrupt request See interrupt G 4 ni com kbytes s Kword L line count LSB LUT LVDS MB Mbytes s memory buffer memory window Glossary Kilo The standard metric prefix for 1 000 or 103 used with units of measure such as volts hertz and meters Kilo The prefix for 1 024 or 210 used with B in quantifying data or computer memory A unit for data transfer that means 1 000 or 10 bytes s 1 024 words of memory The total number of horizontal lines in the picture Least significant bit Look up 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 Low Voltage Differential Signaling EIA 644 Meters 1 Mega the standard metric prefix for 1 million or 106 when used with units of measure such as volts and hertz 2 mega the prefix for 1 048 576 or 229 when used with B to quantify data or computer memory Megabyte of memory A unit for data transfer that means 1 mi
18. techniques Customer Education National Instruments provides a number of alternatives to satisfy your training needs from self paced tutorials videos and interactive CDs to instructor led hands on courses at locations around the world Visit the Customer Education section of ni com for online course schedules syllabi training centers and class registration System Integration If you have time constraints limited in house technical resources or other dilemmas you may prefer to employ consulting or system integration services You can rely on the expertise available through our worldwide network of Alliance Program members To find out more about our Alliance system integration solutions visit the System Integration section of ni com National Instruments Corporation C 1 IMAQ PCI 1428 User Manual Appendix C 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 ni com Branch office Web sites provide up to date contact information support phone numbers e mail addresses and current events If you have searched the technical support resources on our Web site and still cannot find the answers you need contact your local office or National Instruments corporate Phone numbers for our worldwide offices are listed at the front of this manual I
19. the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition 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 EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National In
20. I 1428 User Manual Camera Link cables are manufactured by 3M corporation and are available from both National Instruments and 3M Two meter Camera Link cables part number 187676 02 are available from the National Instruments Web site at ni com catalog Camera Link cables are available in 1 to 10 m lengths from the 3M Web site at 3m com See Figure B 2 for 3M part number information 14X26 SZLB XXX 0LC Shell Retention Options Length B Thumbscrew shell kit 100 1 meter T Thumbscrew overmold shell 200 2 meters 300 3 meters 450 gt 4 5 meters 500 5 meters 700 7 meters 400 10 meters Figure B 2 3M Part Number Ordering Information B 2 ni com 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 NI Developer Zone The NI Developer Zone at ni com zone is the essential resource for building measurement and automation systems At the NI Developer Zone you can easily access the latest example programs system configurators tutorials technical news as well as a community of developers ready to share their own
21. IMAQ IMAQ PCI 1428 User Manual High Quality Camera Link Image Acquisition Device for PCI Wy NATIONAL J January 2002 Edition y INSTRUMENTS Part Number 322862B 01 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 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 3262 3599 Canada Calgary 403 274 9391 Canada Montreal 514 288 5722 Canada Ottawa 613 233 5949 Canada Qu bec 514 694 8521 Canada Toronto 905 785 0085 China Shanghai 021 6555 7838 China ShenZhen 0755 3904939 Czech Republic 02 2423 5774 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91 80 535 5406 Israel 03 6393737 Italy 02 413091 Japan 03 5472 2970 Korea 02 3451 3400 Malaysia 603 9596711 Mexico 001 800 010 0793 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 27 73 00 Poland 0 22 528 94 06 Portugal 351 210 311 210 Russia 095 238 7139 Singapore 2265886 Slovenia 386 3 425 4200 South Africa 11 805 8197 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
22. MAQ PCI 1428 User Manual C 2 ni com Glossary Prefix Meaning Value k kilo 103 M mega 106 Numbers Symbols Percent Positive of or plus Per 2 Ohm Plus or minus A AC acquisition window active line region active pixel region address ANSI Negative of or minus Amperes Alternating current The image size specific to a video standard or camera resolution The region of lines actively being stored Defined by a line start relative to the vertical synchronization signal and a line count The region of pixels actively being stored Defined by a pixel start relative to the horizontal synchronization signal and a pixel count Value that identifies a specific location or series of locations in memory American National Standards Institute National Instruments Corporation G 1 IMAQ PCI 1428 User Manual Glossary API area array ASIC buffer bus cache Camera Link Channel Link CMOS CPU IMAQ PCI 1428 User Manual Application programming interface A rectangular portion of an acquisition window or frame that is controlled and defined by software Ordered indexed set of data elements of the same type Application Specific Integrated Circuit A proprietary semiconductor component designed and manufactured to perform a set of specific functions for specific customer needs Bit One binary digit either O or 1 Byte Eight rel
23. OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE S
24. UITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance FCC Canada Radio Frequency Interference Compliance 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 for use in industrial commercial locations only or Class B for use in residential or commercial locations Depending on where it is operated this 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 electronics emit weak signals during normal operation that can affect radio television or other wireless products By examining the product you purchased you can determine the FCC Class and therefore which of the two FCC DOC Warnings apply in the following sections Some products may not be labeled at all for FCC if so the reader should then assume these are Class A devices FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and undesired operation Most of our products are FCC Class A The FCC rules have restrictions regarding the l
25. ated bits of data an eight bit binary number also used to denote the amount of memory required to store one byte of data Temporary storage for acquired data A group of conductors that interconnect individual circuitry in a computer such as the PCI bus typically the expansion vehicle to which I O or other devices are connected Celsius High speed processor memory that buffers commonly used instructions or data to increase processing throughput Interface standard for digital video data and camera control based on the Channel Link chipset National Semiconductor chipset for high speed data serialization and deserialization for transmission across cables up to 10 m Complementary metal oxide semiconductor Central processing unit G 2 ni com DAQ DC default setting DMA DRAM drivers dynamic range E EEPROM external trigger Glossary 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 DIO boards plugged into a computer and possibly generating control signals with D A and or DIO boards in the same computer Direct current A default parameter value recorded in the driver in many cases the default input of a control is a certain value often 0 that means use the current default setting Direct memory
26. cations without knowledge of any algorithm implementations IMAQ Vision is available for LabVIEW and Measurement Studio which includes support for LabWindows CVI Visual C and Visual Basic IMAQ Vision Builder IMAQ Vision Builder is an interactive prototyping tool for machine vision and scientific imaging developers With IMAQ Vision Builder you can prototype vision software quickly or test how various vision image processing functions work As shown in Figure 1 3 IMAQ Vision Builder generates a Builder file which is a text description containing a recipe of the machine vision and image processing functions This Builder file provides a guide you can use for developing applications into any development environment such as LabWindows CVI or Visual Basic using the IMAQ Vision machine vision and image processing libraries Using the LabVIEW VI creation wizard you can create a LabVIEW VI that performs the prototype that you created in IMAQ Vision Builder IMAQ PCI 1428 User Manual 1 6 ni com Chapter 1 Introduction IMAQ Vision Builder Prototype Builder File SVJ Vision Application Development IMAQ Vision IMAQ Vision Application LabVIEW Software Figure 1 3 IMAQ Vision Builder and Application Development Tools Integration with DAQ Vision and Motion Any platform that supports NI IMAQ also supports NI DAQ and a variety of National Instrum
27. compatible Video dat iie eet Camera Link compatible Clocks Pixel clock frequency range 20 to 50 MHz Note Camera Link cameras must transmit at minimum of 20 MHz PCI Interface PCI initiator master capability Supported PCI target slave capability Supported Data path mente 32 bits Card onmi pter 32 bit half size card Parity generation checking error reporting Supported 1 This value corresponds to the post serialization Camera Link cable transmission rate of 140 to 350 MHz National Instruments Corporation A 1 IMAQ PCI 1428 User Manual Appendix A Specifications Target decode speed Medium 1 clock Target fast back to back capability Supported PCI master performance Ideal darte eds 133 MB s Sustained hice cbe 100 MB s Power Requirements NV OLAS A cioe eget es a ier Rege ids 5 Vpc 1 5 Apc 12 Vpc 24 mA 12 Vpc 20 mA Physical Dimensions 1 eet es 10 7 by 17 5 cm 4 2 by 6 9 in Weight nune 0 127 kg 0 28 Ib Environment Operating temperature esses 0 to 55 C Storage temperature 20 to 70 C Relative humidity s 5 to 90 noncondensing EMISSIONS i iere ev Eh s EN 55011 1991 Group 1 Class A at 10 m FCC Class A at 10m IMAQ PCI 1428 User Manual A 2 ni com
28. cted subset of the acquisition window Scaling down The scaling down circuitry also controls the active acquisition region The PCI 1428 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 1428 selects every pixel every other pixel every fourth pixel or every eighth pixel For active line selection the PCI 1428 selects 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 The PCI 1428 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 and no hardware handshaking The PCI 1428 supports the following baud rates 56000 38400 19200 9600 7200 4800 3600 2400 2000 1800 1200 600 and 300 You can use the serial interface interactively with MAX and clsercon exe or programmatically with LabVIEW and C 3 6 ni com Chapter 3 Hardware Overview Interactively MAX Use MAX with a camera file containing preprogrammed commands When an acquisition is initiated the commands are sent to the camera clsercon exe Use National Instruments terminal emulator for Camera Link clsercon exe if a camera file with preprogrammed serial commands does not exist for your camera With clsercon exe you can still commu
29. e data rate from the camera exceeds PCI throughput you can acquire without interruption until the onboard RAM is full Trigger Control and Mapping Circuitry The trigger control and mapping circuitry routes monitors and drives the external and RTSI bus trigger lines You can configure each line to start an acquisition on a rising or falling edge and drive each line asserted or unasserted much like a digital I O line You can also map pulses from the high speed timing circuitry or many of the PCI 1428 status signals to these trigger lines Four external and four RTSI bus triggers all of which are programmable for polarity and direction are available for simultaneous use High Speed Timing Built from high speed counters the high speed timing circuitry on the PCI 1428 can generate precise real time control signals for your camera Map the output of this circuitry to a trigger line to provide accurate pulses and pulse trains Use these control signals to control exposure time and frame rate 3 Note For your convenience the external control for cameras that support it has been preprogrammed into the camera file You can use MAX to specify the frequency and IMAQ PCI 1428 User Manual 3 4 ni com Chapter 3 Hardware Overview duration of these signals in easy to use units See the Interfacing with the PCI 1428 section in Chapter 1 Introduction for information on camera files Acquisition Scaling ROI The acquisition scaling and r
30. egion of interest ROI circuitry monitors incoming video signals and routes the active pixels to the multiple tap data formatter and SDRAM The PCI 1428 can perform ROI and scaling on all video lines and frames Pixel and line scaling transfers multiples of two four or eight pixels and lines to onboard memory In an ROI acquisition select an area within the acquisition window to transfer across the PCI bus to system memory 3 Note You can use MAX to set the acquisition scaling and ROI parameters Scatter Gather DMA Controllers The PCI 1428 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 supports scatter gather DMA which allows the DMA controller to reconfigure on the fly The PCI 1428 can perform continuous image transfers directly to either contiguous or fragmented memory buffers Bus Master PCI Interface Start Conditions The PCI 1428 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 133 MB s in bus master mode The PCI 1428 can start acquisitions in the following ways e Software control The PCI 1428 supports software control of acquisition start You can configure the PCI 1428 to capture a fixed number of frames This configuration is useful for capturing
31. elect Camera 4 Select your camera from the pop up menu If your camera is not in the pop up menu verify that the camera file is installed in the NI IMAQ Data directory Many camera files are installed on your computer when you install NI IMAQ and many more are available for download from the National Instruments Camera Advisor at ni com camera When installing new camera files save them to the Data folder located at Program Files National Instruments NI IMAQ Data Contact National Instruments technical support to request camera files not available in the Camera Advisor See Appendix C Technical Support Resources for information on National Instruments technical support Software Programming Choices Use NI IMAQ the National Instruments image acquisition driver software to program your IMAQ device to acquire display 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 1 NI IMAQ works with LabVIEW LabWindows CVI Visual C and Visual Basic National Instruments IMAQ Vision adds powerful image processing and analysis to these programming environments You can also use IMAQ Vision Builder to quickly and easily prototype your IMAQ image analysis applications National Instruments Corporation 1 3 IMAQ PCI 1428 User Manual
32. ents DAQ devices allowing your IMAQ device and NI IMAQ development to integrate with National Instruments DAQ products With National Instruments IMAQ hardware and IMAQ Vision pattern matching software you can quickly and accurately locate objects in instances where objects vary in size orientation focus and even when the part is poorly illuminated Use National Instruments high performance stepper and servo motion control products with pattern matching software for inspection and guidance applications such as locating alignment markers on semiconductor wafers guiding robotic arms inspecting the quality of manufactured parts and locating cells National Instruments Corporation 1 7 IMAQ PCI 1428 User Manual Installation This chapter contains a list of necessary and optional items for getting started acquiring images with your IMAQ device This chapter also explains how to unpack configure and install your IMAQ device What You Need to Get Started You need the following items to set up and use the PCI 1428 National Instruments Corporation PCI 1428 Getting Started with Your IMAQ System IMAQ PCI 1426 User Manual NI IMAQ Release Notes NI IMAQ for Windows 2000 NT Me 9x and documentation Pentium based PCI computer running Windows XP 2000 Me NT 9x Camera Link camera MDR 26 pin Camera Link cable from 3M Optional software packages and documentation IMAQ Vision for LabVIEW or Measurement Studio
33. equipment concerned is designed to be connected for either powering the equipment or for measurement purposes IMAQ PCI 1428 User Manual 2 6 ni com Chapter 2 Installation 3 Follow the electrostatic discharge guidelines in the Unpacking section of this chapter 4 Remove the computer cover Make sure there are no lit LEDs on the motherboard If any are lit wait until they go out before continuing installation 6 Touch the metal part of the power supply case inside the computer to discharge any static electricity that might be on your clothes or body 7 Locate the metal bracket that covers the cut out in the back panel of the chassis for the slot you have selected Remove and save the bracket retaining screw and the bracket cover 8 Line up the PCI 1428 with the MDR 26 pin connector near the cut out on the computer s back panel Slowly push down on the top of the PCI 1428 until its card edge connector is resting on the expansion slot receptacle Using slow evenly distributed pressure press the PCI 1428 straight down until it is evenly positioned in the expansion slot 9 Reinstall the bracket retaining screw to secure the PCI 1428 to the back panel rail 10 Replace the computer cover and plug the computer in Your PCI 1428 is now installed Configuring the PCI 1428 Once you have installed the PCI 1428 and powered on your computer Windows will recognize the device and assign resources to it Use MAX to configure t
34. er Manual The PCI 1428 supports the Camera Link Base configuration as well as the 8 bit x 4 mode of the Camera Link Medium 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 a single Channel Link part and cable The Base configuration includes asynchronous serial transmission as well as four digital camera control lines for controlling exposure time frame rates and other camera control signals These four control lines are 3 2 ni com Chapter 3 Hardware Overview configured in the camera file to generate precise timing signals for controlling digital camera acquisition Base configuration includes the following bit allocations e 8 bit x 1 2 and 3 taps channels e 10 bit x 1 and 2 taps e 12 bit x 1 and 2 taps e 14 bit x 1 tap e 16 bit x 1 tap e 24 bit RGB Medium Configuration The PCI 1428 supports the 8 bit x 4 tap of the Camera Link Medium configuration The Medium configuration requires using both connectors This configuration allows for more data throughput by offering two synchronized data streams between the camera and the PCI 1428 Data Transmission A 28 to 4 serializing Channel Link chip drives the data and camera enable signals across the Camera Link cable and the camera s pixel clock controls the Channel Link s data transmission The four LVDS pairs are then deserialized by another C
35. gure your hardware using Measurement amp Automation Explorer and online help Measurement Studio LabWindows CVI Visual C Borland C What application software are you using LabVIEW Measurement Studio Read Visual Basic Read Chapter 1 Introduction The section in chapter 4 in the Read the NI IMAQ User Manual NI IMAQ User Manual for for information on using i information on using LabVIEW NI IMAQ in your Y with your IMAQ hardware application environment NI IMAQ VI online help Read th sections in e Your IMAQ Vision for chapters 2 and 3 in the NI IMAQ LabVIEW documentation User Manual that apply to the if you are using IMAQ function groups you vision for LabVIEW will use in your application Y Look at the self documented example source code on your distribution CD for your application language and environment y Use the NI IMAQ Function Reference Manual when you need specific information about individual 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 2 3 IMAQ PCI 1428 User Manual Chapter 2 Installation Unpacking The PCI 1428 ships in an antistatic package to prevent electrostatic discharge from damaging board c
36. hannel Link chip on the PCI 1428 R Note Exact timing of camera and image acquisition device communication is camera dependent The Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual fully explains the Camera Link timing requirements LUTs The PCI 1428 offers two 64 KB x 16 bit lookup tables LUTs that can perform up to four 256 KB x 8 bit LUT operations such as contrast enhancement data inversion gamma manipulation or other nonlinear transfer functions National Instruments Corporation 3 3 IMAQ PCI 1428 User Manual Chapter 3 Hardware Overview 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 bottom right direction Also the taps may not transfer data in the same direction The multiple tap data formatting circuitry on the PCI 1428 can reorder the data from up to four taps The data from each tap can be independently scanned either from left to right or right to left and top to bottom or bottom to top 3 Note For your convenience data reformatting instructions for these cameras have been preprogrammed into the camera files SDRAM The PCI 1428 has 16 MB of onboard high speed synchronous dynamic RAM SDRAM The PCI 1428 uses the onboard RAM as a FIFO buffer to ensure acquisition Even when th
37. he PCI 1428 for acquisition Refer to the Interfacing with the PCI 1428 section in Chapter 1 Introduction for further information on using MAX to configure your IMAQ device National Instruments Corporation 2 7 IMAQ PCI 1428 User Manual Hardware Overview This chapter provides an overview of PCI 1428 hardware functionality and explains the operations of the device s functional units Functional Overview The PCI 1428 features a flexible high speed data path optimized for receiving and formatting video data from Camera Link cameras Figure 3 1 illustrates the key functional components of the PCI 1428 National Instruments Corporation 3 1 IMAQ PCI 1428 User Manual Chapter 3 Hardware Overview Synchronous Dynamic RAM Data LUT LUT Data IMAQ SDRAM n4 Interface Data Enables Channel 5 Link PCI Interface 9 ps Clock and Camera Enables and LN m c Receiver gt gt S l Scatter Gather 7 6 O Pixel DMA Controllers gt E Clock ar lt gt amera T Control Advanced Acquisition Scaling N Triggering t ROI and Control Serial and Timing Cont t Differential Converter A UART 5 Data hc in 5 Enables Receiver amp Pixel Clock c lt External Triggers Figure 3 1 PCI 1428 Block Diagram Camera Link and PCI 1428 IMAQ PCI 1428 Us
38. ipment e Installation Category I for measurements performed on circuits not directly connected to mains Examples include measurements on circuits not derived from mains and specially protected internal mains derived circuits Figure 2 1 illustrates a sample installation Category IV Category Ill Category Category I Electric Circuit Plug in Meter Breaker Equipment Source of Building Fixed LocalLevel Secondary Low Voltage Installation Windings of Distribution Such 1000 V Distribution Isolation as Wall Sockets Installation Panel Transformers Figure 2 2 Sample Installation Installation You can install the PCI 1428 in any available PCI expansion slot in your computer However to achieve the best noise performance leave as much room as possible between the PCI 1428 and other boards and hardware 3 Note You must install the NI IMAQ driver software before installing the 1428 device For information on how to install NI IMAQ see the Getting Started with Your IMAQ System document and the NI IMAQ Release Notes Use the following guidelines for installing the PCI 1428 1 Verify that NI IMAQ is installed on your computer 2 Turn off and unplug your computer UN Caution To protect yourself and the computer from electrical hazards the computer should remain off until you finish installing the PCI 1428 Mains is defined as the electricity supply system to which the
39. isconnect all field power prior to removing covers or shields If the device is rated for use with hazardous voltages gt 30 Vms 42 4 V y or 60 Vac it may require a safety earth ground connection wire See the device specifications for maximum voltage ratings Because of the danger of introducing additional hazards do 7101 install unauthorized parts or modify the device Use the device only with the chassis modules accessories and cables specified in the installation 2 4 ni com Chapter 2 Installation instructions All covers and filler panels must be installed while operating the device Do not operate the device in an explosive atmosphere or where flammable gases or fumes may be present Operate the device only at or below the pollution degree stated in the specifications Pollution consists of any foreign matter solid liquid or gas that may reduce dielectric strength or surface resistivity Pollution degrees are listed below e Pollution Degree 1 No pollution or only dry nonconductive pollution occurs The pollution has no effect e Pollution Degree 2 Normally only nonconductive pollution occurs Occasionally nonconductive pollution becomes conductive because of condensation e Pollution Degree 3 Conductive pollution or dry nonconductive pollution occurs Nonconductive pollution becomes conductive because of condensation Clean the device and accessories by brushing off light dust with a soft nonmetallic
40. ition devices The PCI 1428 uses the Real Time System Integration RTSI bus to solve this problem The RTSI bus uses National Instruments RTSI bus interface and ribbon cable to route additional timing and trigger signals between the PCI 1428 and up to four National Instruments DAQ motion control or IMAQ devices The RTSI bus can even synchronize multiple IMAQ hardware captures Detailed specifications of the PCI 1428 are in Appendix A Specifications Overview This section provides a brief overview of the Camera Link standard For more detailed information about Camera Link specifications reference the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual This manual is available on several Web sites including the Automated Imaging Association site at machinevisiononline org Developed by a consortium of camera and frame grabber manufacturers Camera Link is a standard for interfacing digital cameras with image acquisition devices Camera Link simplifies connectivity between the image acquisition device and the camera by defining a single standard connector for both This standard ensures compatibility of devices bearing the Camera Link logo The basis for the Camera Link standard is the National Semiconductor Channel Link chipset a data transmission method consisting of a general purpose transmitter receiver pair The Channel Link driver takes 28 bits of parallel digital data and a clock
41. llion or 106 bytes s See buffer Continuous blocks of memory that can be accessed quickly by changing addresses on the local processor National Instruments Corporation G 5 IMAQ PCI 1428 User Manual Glossary MSB MTBF mux N NL IMAQ NVRAM 0 operating system PCI pixel pixel clock pixel count protocol pts IMAQ PCI 1428 User Manual Most significant bit Mean time between failure Multiplexer A switching device with multiple inputs that selectively connects one of its inputs to its output Driver software for National Instruments IMAQ hardware Nonvolatile RAM RAM that is not erased when a device loses power or is turned off Base level software that controls a computer runs programs interacts with users and communicates with installed hardware or peripheral devices Peripheral Component Interconnect A high performance expansion bus architecture originally developed by Intel to replace ISA and EISA PCI offers a theoretical maximum transfer rate of 132 Mbytes s Picture element The smallest division that makes up the video scan line for display on a computer monitor a pixel s optimum dimension is square aspect ratio of 1 1 or the width equal to the height Divides the incoming horizontal video line into pixels The total number of pixels between two horizontal synchronization signals The pixel count determines the frequency of the pixel clock The exact sequence of bits cha
42. nicate serially with your camera Go to lt NI IMAQ gt bin to access clsercon exe Programmatically LabVIEW Use the serial interface programmatically through calls to the NI IMAQ driver using the IMAQ Serial Write and IMAQ Serial Read VIs Go to lt LabVIEW gt vi lib vision driver imaql1 11b to access these files C Use the serial interface programmatically through calls to the NI IMAQ driver using imgSessionSerialWrite and imgSessionSerialRead 3 Note cisercon exe IMAQ Serial Write IMAQ Serial Read imgSessionSerialWrite and imgSessionSerialRead are used for directly accessing the PCI 1428 serial port and are not required for most users National Instruments also fully supports the recommended serial API described in the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual National Instruments Corporation 3 7 IMAQ PCI 1428 User Manual Signal Connections This chapter describes the MDR 26 pin connector and the 68 pin VHDCI connector on the PCI 1428 device Connectors Figure 4 1 shows the connectors on the PCI 1428 device CAMERA LINK TRIGGERS 1 MDR 26 Pin Connector 2 68 Pin VHDCI Connector Figure 4 1 PCI 1428 Connectors National Instruments Corporation 4 1 IMAQ PCI 1428 User Manual Chapter 4 Signal Connections MDR 26 Pin Connector The MDR 26 pin connector provides reliable high frequency transfer
43. o 3 3 Medium configuration 3 3 flowchart figure 2 3 general information 2 7 setting up IMAQ PCI 1428 2 2 to 2 3 connectors 68 pin VHDCI connector 4 2 to 4 3 MDR 26 pin connector 4 2 PCI 1428 connectors figure 4 1 signal description table 4 3 to 4 4 conventions used in manual vi customer education C 1 D data formatter multiple tap 3 4 data transmission 3 3 delayed acquisition start conditions 3 6 DGND signal table 4 3 digital I O lines using trigger lines for note 1 1 DMA controllers 3 5 E environment specifications A 2 equipment optional 2 2 external connection specifications A 1 IMAQ PCI 1428 User Manual Index hardware overview 3 1 to 3 7 acquisition scaling ROI 3 5 acquisition window control 3 6 block diagram figure 3 2 bus master PCI interface 3 5 Camera Link 3 2 to 3 3 Base configuration 3 2 to 3 3 Medium configuration 3 3 data transmission 3 3 high speed timing 3 4 to 3 5 LUTs 3 3 multiple tap data formatter 3 4 scatter gather DMA controllers 3 5 SDRAM 3 4 serial interface 3 6 to 3 7 start conditions 3 5 to 3 6 trigger control and mapping circuitry 3 4 high speed timing circuitry 3 4 to 3 5 IMAQ PCI 1428 Camera Link 1 2 configuration 2 7 installation 2 6 to 2 7 interfacing Camera Link with devices 1 2 to 1 3 optional equipment 2 2 overview and features 1 1 to 1 2 requirements for getting started 2 1 to 2 2 safety information 2 4 to
44. ocations where FCC Class A products can be operated FCC Class B products display either a FCC ID code starting with the letters EXN Trade Name Model Number or the FCC Class B compliance mark that appears as shown here on the right Fe Tested to Comply with FCC Standards Consult the FCC Web site http www fcc gov for more information FCC DOC Warnings This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the instructions in this manual and the CE Mark Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC FOR HOME OR OFFICE USE Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation
45. of these lines to start or stop acquisition on a rising or falling edge Transistor transistor logic 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 G 8 ni com Index Numbers 68 pin VHDCI connector 4 2 to 4 3 cable specifications B 1 overview 4 2 pin assignments figure 4 3 A acquisition scaling and region of interest ROT circuitry 3 5 acquisition start conditions 3 6 acquisition window control 3 6 active pixel region acquisition window 3 6 region of interest 3 6 scaling down circuitry 3 6 Base configuration Camera Link 3 2 to 3 3 block diagram of IMAQ PCI 1428 figure 3 2 bus master PCI interface 3 5 C cabling B 1 to B 2 68 pin VHDCI cable specifications B 1 Camera Link cables B 1 to B 2 Camera Link Base configuration 3 2 to 3 3 cabling description B 1 to B 2 ordering information B 2 interfacing with image acquisition devices 1 2 to 1 3 Medium configuration 3 3 overview 1 2 National Instruments Corporation CC lt 4 1 gt signal table 4 4 CHASSIS GND signal table 4 3 clock signals XCLK lt 1 0 gt signal table 4 4 YCLK lt 1 0 gt signal table 4 4 clock specifications A 1 configuration Camera Link Base configuration 3 2 t
46. of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Class B Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver
47. omponents To avoid such damage in handling the board take the following precautions e Ground yourself via a grounding strap or by holding a grounded object such as your computer chassis e Touch the antistatic package to a metal part of your computer chassis before removing the board from the package e 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 e Never touch the exposed pins of connectors Safety Information AN Caution The following paragraphs contain important safety information you must follow when installing and operating the device IMAQ PCI 1428 User Manual Do not operate the device in a manner not specified in the documentation Misuse of the device may result in a hazard and may compromise the safety protection built into the device 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 If signal wires are connected to the device hazardous voltages can exist even when the equipment is turned off To avoid a shock hazard do not perform procedures involving cover or shield removal unless you are qualified to do so D
48. ons RESERVED DGND RESERVED RESERVED 34 RESERVED RESERVED 33 RESERVED RESERVED 32 RESERVED RESERVED 31 RESERVED RESERVED 30 RESERVED RESERVED 29 RESERVED RESERVED 28 RESERVED RESERVED 27 RESERVED 0610 26 0610 0610 25 Y 0 RESERVED 24 Y 0 RESERVED 23 Y 1 RESERVED 22 Y 1 RESERVED 21 Y 2 RESERVED 20 Y 2 RESERVED 19 YCLK 0610 18 YCLK 0610 17 Y 3 RESERVED 16 Y S RESERVED 15 RESERVED RESERVED 14 RESERVED RESERVED 13 RESERVED RESERVED 12 RESERVED RESERVED 11 RESERVED RESERVED 10 RESERVED RESERVED 9 RESERVED DGND 8 TTL TRIG 0 DGND 7 TTL TRIG 1 DGND 6 TTL TRIG 2 DGND 5 TTL TRIG 3 CHASSIS GND 4 CHASSIS GND 3 2 1 RESERVED DGND RESERVED Figure 4 3 68 Pin VHDCI Connector Pin Assignments Connector Signal Connection Descriptions Table 4 1 describes the MDR 26 and 68 pin VHDCI signal connections Table 4 1 1 0 Connector Signals Signal Name Description TTL_TRIG TTL external triggers DIO lines input output DGND A direct connection to digital GND on the 1428 device CHASSIS_GND A direct connection to the computer s chassis which is grounded through the power cord X lt 3 0 gt LVDS Base configuration data and enable signals from the
49. racters and control codes used to transfer data between computers and peripherals through a communications channel Points G 6 ni com R RAM real time relative accuracy resolution RGB ribbon cable ROI ROM RTSI bus S S saturation scaling down circuitry scatter gather DMA SDRAM National Instruments Corporation G 7 Glossary Random access memory A property of an event or system in which data is processed as it is acquired instead of being accumulated and processed at a later time A measure in LSB of the accuracy of an ADC it includes all nonlinearity and quantization errors but does not include offset and gain errors of the circuitry feeding the ADC The smallest signal increment that can be detected by a measurement system 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 Color encoding scheme using red green and blue RGB color information where each pixel in the color image is encoded using 32 bits 8 bits for red 8 bits for green 8 bits for blue and 8 bits for the alpha value unused A flat cable in which the conductors are side by side Region of interest A hardware programmable rectangular portion of the acquisition window Read only memory Real Time System Integration Bus The National Instruments timing bus that connec
50. rectly to system memory Featuring a high speed data flow path the PCI 1428 is ideal for both industrial and scientific environments The PCI 1428 is easy to install and configure It ships with NI IMAQ the National Instruments complete IMAQ driver software you can use to directly control the PCI 1428 and other National Instruments IMAQ hardware products With NI IMAQ you can quickly and easily start your applications without having to program the device at the register level The PCI 1428 supports the Camera Link Base configuration and the VHDCI 68 pin connector provides access to the 8 bit x 4 mode of the Camera Link Medium configuration For further configuration information see the Camera Link and PCI 1426 section in Chapter 3 Hardware Overview The VHDCI 68 pin connector has four external input output I O lines you can use as triggers or as high speed digital I O lines E Note To use the trigger lines as digital I O lines go to the LabVIEW palette and select Motion amp Vision Image Acquisition Signal I O VIs For more advanced digital or analog system triggering or digital I O lines you can use the PCI 1428 and NI IMAQ with the National Instruments data acquisition DAQ or motion control product lines National Instruments Corporation 1 1 IMAQ PCI 1428 User Manual Chapter 1 Introduction Camera Link Easily synchronizing several functions to a common trigger or timing event is acommon challenge with image acquis
51. rom National Instruments C 1 Worldwide technical support C 2 X X lt 3 0 gt signal table 4 3 XCLK lt 1 0 gt signal table 4 4 IMAQ PCI 1428 User Manual Y Y lt 3 0 gt signal table 4 4 YCLK lt 1 0 gt signal table 4 4 ni com
52. struments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation Trademarks CVI IMAQ LabVIEW Measurement Studio National Instruments and ni com are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies Patents For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION
53. th high level and low level functions Examples of high level functions include the functions to acquire images in single shot or continuous mode An example of a low level function is configuring an image sequence since it requires advanced understanding of the IMAQ device and image acquisition NI IMAQ internally resolves many of the complex issues between the computer and the IMAQ device such as programming interrupts and DMA controllers NI IMAQ 15 also the interface path between LabVIEW LabWindows CVI or a text based programming environment and your IMAQ device The NI IMAQ software kit includes a series of libraries for image acquisition for LabVIEW and Measurement Studio which contains libraries for LabWindows CVI Visual C and Visual Basic National Instruments Corporation 1 5 IMAQ PCI 1428 User Manual 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 For unique image processing you can use IMAQ Vision functions individually or in combination With IMAQ Vision you can acquire display manipulate and store images as well as perform image analysis processing and interpretation Using IMAQ Vision imaging novices and experts can program the most basic or complicated image appli
54. ts IMAQ and DAQ boards directly by means of connectors on top of the boards for precise synchronization of functions Seconds The amount of white added to a pure color Saturation relates to the richness of a color A saturation of zero corresponds to a pure color with no white added Pink is a red with low saturation Circuitry that scales down the resolution of a video signal A type of DMA that allows the DMA controller to reconfigure on the fly Synchronous dynamic RAM IMAQ PCI 1428 User Manual Glossary SRAM sync system RAM tap transfer rate trigger trigger control and mapping circuitry TTL V VI IMAQ PCI 1428 User Manual Static RAM 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 placement RAM installed on a personal computer and used by the operating system as contrasted with onboard RAM A stream of pixels from a camera Some cameras send multiple streams or taps of data over a cable simultaneously to increase transfer rate The rate measured in bytes s at which data is moved from source to destination after software initialization and set up operations The maximum rate at which the hardware can operate Any event that causes or starts some form of data capture Circuitry that routes monitors and drives external and RTSI bus trigger lines You can configure each

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