NI PCIe-1427 User Manual
Contents
1. a 50 FRE S A 1 MDR 26 Pin Male Plug 2 2X Thumbscrews im Figure A 1 Camera Link Cable Ordering Information NI PCle 1427 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 products Camera Link cables are available in 1 to 10 m lengths from the 3M Web site at www 3m com Refer to Figure A 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 4 5 meters 500 5 meters 700 7 meters A00 10 meters Figure A 2 3M Part Number Ordering Information A 2 ni com Technical Support and Professional Services Visit the following sections of the National Instruments Web site at ni com for technical support and professional services National Instruments Corporation Support Online technical support resources at ni com support include the following Self Help Resources For answers and solutions visit the award winning National Instruments Web site for software drivers and updates a searchable KnowledgeBase product manuals step by step troublesh2. National Instruments Corporation 3 3 NI PCle 1427 User Manual Chapter 3 Signal Connections Table 3 2 15 Pin D SUB Connector Signals Signal Name Description TTL_TRIG lt 3 0 gt TTL external triggers DIO lines I O DGND Direct connection to digital GND on the NI 1427 ISO_IN lt 1 0 gt 30 V isolated input only lines Use these lines instead of not in addition to TTL_TRIG lt 1 0 gt PHASE_A The primary use of these single ended or differential signals is for interfacing PHASE B to a quadrature encoder Alternatively these pairs can be used as independent RS 422 trigger inputs instead of not in addition to TTL_TRIG lt 3 2 gt Using the NI 1427 with the NI Camera Link I O Extension Board When an NI Camera Link I O Extension Board is connected to the NI 1427 all of the I O functionality on the NI 1427 15 pin D SUB connector is disabled except either the TTL_TRIG O or ISO IN 0 signal Refer to the NI Camera Link I O Extension Board User Guide for information about installing configuring and connecting to the NI Camera Link I O Extension Board NI PCle 1427 User Manual 3 4 ni com Cabling This appendix contains cabling requirements for the NI 1427 including Camera Link cable ordering information 15 Pin D SUB Cable Specifications National Instruments provides a generic 15 pin cable assembly kit part number 190912 04 that breaks the connector out into 15 color co
3. Twisted i i Pair i i d PhaseB Phase B Figure 2 6 Example of Connecting Differential Line Drivers National Instruments Corporation 2 7 NI PCle 1427 User Manual Chapter 2 Hardware Overview Figure 2 7 shows an example of connecting single ended drivers Encoder NI 1427 Twisted Pair Twisted Pair Phase A Phase A mo Phase A Phase B Phase B SG Phase B i t Figure 2 7 Example of Connecting Single Ended Drivers High Speed Timing Built from high speed counters the timing circuitry on the NI 1427 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 the NI 1427 has been preprogrammed into the camera file You can use MAX to specify the frequency and duration of these signals in easy to use units The NI 1427 also allows you to route the external trigger inputs 0 3 onto the camera control lines 1 4 Use MAX to select the source for the camera control lines You have the option to choose either the default control signal that is specified in the camera file or the external trigger input as the source for the camera control lines NI PCle 1427 User Manual 2 8 ni com Chapter 2
4. pixel pixel clock protocol Q quadrature encoder Glossary Method of error checking Ensures that there is always either an even number or an odd number of asserted bits in a byte character or word according to the logic of the system If a bit should be lost in data transmission its loss can be detected by checking the parity 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 133 Mbytes s PCI express A high performance expansion bus architecture originally developed by Intel to replace PCI PCle offers a theoretical maximum transfer rate that is dependent upon lane width A x1 link theoretically provides 250 MB s in each direction to and from the device Once overhead is accounted for a x1 link can provide up to 200 MB s of input capability and 200 MB s of output capability Increasing the number of lanes in a link increases maximum throughput by approximately the same factor 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 exact sequence of bits characters and control codes used to transfer data between computers and peripherals through a communications channel A dev
5. sssssesssrerersrrsrerrersne 1 4 Vision Development Module sssssserserserrsrrrsresrrsrrerrerrrerrsrrrrrerrrr rna 1 4 Integration with DAQ and Motion CODNtrOl sssssssssesessrsrrsrsrrsrrrrsrsrnrernrnrerrrnrnr 1 5 Chapter 2 Hardware Overview Functional Overview sie eceiievii delat de e E E E A EEE VARNAS 2 1 Camera Eink aind the NV 1427 ssisssstisetsrsssssset v E EEE EEE a 2 2 Base Configuration sinense n a E 2 2 Data Transmission oasa n E E E E E ETER 2 2 Hardware Binatization secen ei EE S E KE a ETEN aY 2 3 Multiple Tap Data Formatter sosssossossorssressrssrerrrssrrsresrrsrrrsrrsrrsrnsrrsnr rst 2 4 Trigger Control and Mapping Circuitry s sssserssrsrssrsrrsrssreresrsresrsnrsrersrnrrrrrnrn rna 2 4 Wiring an Isolated Input to Output DeEViCeS sssrerssresrsrrsrssrsrerersrsresenrnsnrnrnr 2 5 Connecting to a Quadrature Encoder mssssssrrsrsrrsrrsrsrrsrrsrsrrsresrsrrsrrrrsrenrrr rn rrn rna 2 6 High Speed FINNS merno tates e EREE E ERA 2 8 Acquisition and Region of Interest ROT s sssssssssssserrsrerrsresrsressrsesresesresrsrrnrnn 2 9 Acquisition Window Control o sssssssssssssrssrsresrsresrsrsrsrersrsrrrsrsrrnrrrrrrerrrrr renen ren r nan 2 9 DMAFC ON roller S 13 sstissvssssssesssas tes E E A NR AS ENARE ANNA NINAS 2 9 BETS Interac seneste sida seven es ens vate hes kate sk ce Rae NASN ENE 2 9 Start Conditions si 5300 f s rtresbss sas s r va dees Matin a a e S dee dedioss 2 10 Serial INEM ACE 4
6. Output Device Vcc i IN b Current Limiter Sensor L AA ad Common i TASK i IN i r i NI 1427 Figure 2 3 Example of Connecting an Isolated Input to a Sourcing Output Device Sensor i i Powar Vee IN Current 9 i Limiter 3 i NPN Sinking Output Device Sensor hee oi eet eee ete ee eee eee Common XZ NI 1427 Figure 2 4 Example of Connecting an Isolated Input to a Sinking Output Device Connecting to a Quadrature Encoder The NI 1427 accepts single ended or differential RS 422 line driver inputs Shielded encoder cables are recommended for all applications Unshielded cables are more susceptible to noise and can corrupt the encoder signals Figure 2 5 shows the quadrature encoder RS 422 inputs circuit NI PCle 1427 User Manual 2 6 ni com Chapter 2 Hardware Overview 210ka 310 ko 210ka 3 10 ko Phase A gt gt gt PX 26LV32 Phase B gt gt e gt n 26LV32 Phase B gt gt 7 5 KQ 3 7 5 kQ 3 7 5 kQ 7 5 KQ Figure 2 5 NI 1427 Quadrature Encoder RS 422 Inputs Circuit Figure 2 6 shows an example of connecting differential line drivers Encoder NI 1427 Phase A pent Twisted H i Pair i ea 7 q Phase A 1 Phase A Phase B Phase B
7. The National Instruments timing bus that connects Vision and DAQ devices directly by means of connectors on the devices for precise synchronization of functions A type of DMA that allows the DMA controller to reconfigure on the fly 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 G 4 ni com Glossary trigger control and Circuitry that routes monitors and drives external and RTSI bus trigger mapping circuitry lines You can configure each of these lines to start or stop acquisition on a rising or falling edge TTL Transistor transistor logic V VI 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 National Instruments Corporation G 5 NI PCle 1427 User Manual Index Numerics 15 pin D SUB connector 3 3 cable specifications A 1 overview 3 3 pin assignments figure 3 3 A acquisition and region of interest ROID circuitry 2 9 application software
8. for example AO lt 3 0 gt 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 in the software such as menu items and dialog box options Italic text denotes variables emphasis a cross reference or an introduction to akey concept Italic text 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 NI 1427 refers to the NI PCle 1427 image acquisition device Contents Chapter 1 Introduction About the NITAZ T casts een e a eara a a Auden Seal ra a e ad rings s kert 1 1 Camera Link a evap Minded A eed ee ee 1 2 OVEN Woi E Spears EEA tet EA boas SANN RER MN EERE 1 2 SOltwarevOverview svesaso susse onp ars var hana tenia eae n 1 3 NI IMAQ Driver Software ccccccccsssccsssceseseeeseseeeesseeeessseeesseeessseeeseneeessaees 1 3 National Instruments Application Software s ssssesrrsrsrrsresrsresrrsrsresrrrernrnrnnen 1 4 Vision Builder for Automated InspectiOn
9. ni com signal connections connectors 15 pin D SUB connector 3 3 MDR 26 pin connector 3 2 NI 1427 connectors figure 3 1 software NI resources B 1 software programming choices 1 3 integration with DAQ 1 5 National Instruments NI Vision 1 4 NI Vision Builder for Automated Inspection 1 4 NI Vision Development Module 1 4 NI IMAQ driver software 1 3 support technical B 1 T technical support B 1 timing circuitry high speed 2 8 training and certification NI resources B 1 trigger configuration options table 2 5 control and mapping circuitry 2 4 troubleshooting NI resources B 1 TTL_TRIG signal table 3 4 National Instruments Corporation Index W Web resources B 1 X X lt 3 0 gt signal table 3 2 XCLKz signal table 3 2 NI PCle 1427 User Manual
10. 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 National Instruments respects the intellectual property of others and we ask our users to do the same NI software is protected by copyright and other intellectual property laws Where NI software may be used to reproduce software or other materials belonging to others you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction Trademarks National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies Members of the National Instruments Alliance Partner Program are business entities independent from National Instruments and have no agency partnersh
11. sce IAN SET TREA ER ERS RER EVR NAN a E E RA SRS NR a A eA 2 10 Chapter 3 Signal Connections CONNECI TS 4 ienei A R ras adds R E ENSE UU atlas Lede a A a cedaenesiecs 3 1 MDR 26 Pip Connector serinin sonini a E a ssrner 3 2 15 pin D SUB Connector insesi iiie oivana aerea o ieia 3 3 Using the NI 1427 with the NI Camera Link I O Extension Board 3 4 National Instruments Corporation vil NI PCle 1427 User Manual Contents Appendix A Cabling Appendix B Technical Support and Professional Services Glossary Index NI PCle 1427 User Manual viii ni com Introduction This chapter provides an overview of the NI PCIe 1427 NI 1427 image acquisition device the Camera Link standard and software choices for programming the NI 1427 About the NI 1427 The NI 1427 is a highly flexible image acquisition device that supports Base configuration Camera Link compatible cameras The NI 1427 acquires digital images in real time and transfers them directly to system memory Featuring a high speed data path the NI 1427 is ideal for both industrial and scientific environments The NI 1427 is easy to install and configure The NI 1427 ships with NI Vision Acquisition Software which includes NI IMAQ the National Instruments driver software NI TMAQ is used to directly control the NI 1427 and other National Instruments image acquisition devices With NI IMAQ you can quickly and easily start your applications witho
12. trigger control and mapping circuitry 2 4 wiring an isolated input to a sourcing sinking output device 2 5 wiring an isolated input to output devices 2 5 help technical support B 1 high speed timing circuitry 2 5 2 8 installation cabling 15 pin D SUB cable specifications A 1 Camera Link cables A 1 instrument drivers NI resources B 1 integration with DAQ and motion control 1 5 ISO_IN signal table 3 4 K KnowledgeBase B 1 L LabVIEW Vision Builder AI 1 4 M mapping circuitry 2 4 MDR 26 pin connector 3 2 multiple tap data formatter 2 3 2 4 National Instruments application software 1 4 National Instruments support and services B 1 NI PCle 1427 User Manual l 2 NI 1427 Camera Link 1 2 overview and features 1 1 software programming choices 1 3 integration with DAQ 1 5 National Instruments application software 1 4 NI Vision Builder for Automated Inspection 1 4 NI Vision Development Module 1 4 NI IMAQ driver software 1 3 NI 1427 using with the NI Camera Link I O Extension Board 3 4 NI support and services B 1 NI Vision Assistant 1 4 NI IMAQ driver software 1 3 P PHASE_A signal table 3 4 PHASE_B signal table 3 4 programming examples NI resources B 1 Q quadrature encoder connecting to 2 6 signal descriptions 3 4 R region of interest ROI circuitry 2 9 S scatter gather DMA controllers 2 9 SerTC signal table 3 2 SerTFG signal table 3 2
13. 1 4 Base configuration Camera Link 2 2 block diagram of NI 1427 figure 2 1 C cabling 15 pin D SUB connector A 1 Camera Link cable figure A 2 Camera Link cables A 1 calibration certificate NI resources B 2 Camera Link Base configuration 2 2 cabling description A 1 ordering information A 2 overview 1 2 CC lt 4 1 gt signal table 3 2 clock signals XCLK signal table 3 2 configuration Camera Link Base configuration 2 2 National Instruments Corporation connectors 15 pin D SUB connector 3 3 I O connector signals table 3 2 3 4 MDR 26 pin connector figure 3 2 NI 1427 connectors figure 3 1 signal description table 2 5 3 2 3 4 conventions used in manual vi D data formatter multiple tap 2 3 2 4 data transmission 2 2 Declaration of Conformity NI resources B 1 DGND signal table 3 4 diagnostic tools NI resources B 1 DMA controllers 2 9 documentation conventions used in the manual vi NI resources B 1 drivers NI resources B 1 D SUB connector 15 pin 3 3 cable specifications A 1 overview 3 3 pin assignments figure 3 3 E examples NI resources B 1 H hardware overview 2 1 acquisition region of interest ROD 2 9 binarization 2 3 block diagram figure 2 1 Camera Link Base configuration 2 2 data transmission 2 2 high speed timing 2 8 NI PCle 1427 User Manual Index multiple tap data formatter 2 4 scatter gather DMA controllers 2 9
14. Hardware Overview Acquisition and Region of Interest ROI The acquisition and ROI circuitry monitors incoming video signals and routes the active pixels to the multiple tap data formatter The NI 1427 can perform ROI acquisitions on all video lines and frames In an ROI acquisition select an area within the acquisition window to transfer across the host bus to system memory If the area of the image you need is smaller than the camera output that appears in the acquisition window select an ROI to speed up the transfer and processing times for the image 3 Note You can use MAX to set the acquisition window on the NI 1427 Acquisition Window Control DMA Controllers PCle Interface You can configure the following parameters on the NI 1427 to control the video acquisition window e Acquisition window The NI 1427 allows you 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 e Region of interest The NI 1427 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
15. devices Camera Link simplifies connectivity between the image acquisition device and the camera by defining a single standard connector for both This standard ensures physical 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 and serializes the stream to 1 2 ni com Chapter 1 Introduction 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 Software Overview Programming the NI 1427 requires the NI IMAQ driver software for controlling the hardware National Instruments also offers the following application software packages for analyzing and processing your acquired images e NI Vision Builder for Automated Inspection Allows you to configure solutions to common inspection tasks e NI Vision Development Module Provides customized control over hardware and algorithms The following sections provide an overview of the driver and application software For detailed information about individual software packages refer to the documentation specific to each software package NI IMAQ Driver Software The NI 1427 ships with NI Vision Acquisition Software which includes the NI IMAQ driver so
16. gt vi lib vision driver imagl1 11b directory e C Use the serial interface programmatically through calls to the NI IMAQ driver using the imgSessionSerialWrite and imgSessionSerialRead functions 3 Note clsercon exe IMAQ Serial Write IMAQ Serial Read imgSessionSerialWrite and imgSessionSerialRead are used for direct manual access of the NI 1427 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 This manual is available on several Web sites including the Automated Imaging Association Web site at www machinevisiononline org National Instruments Corporation 2 11 NI PCle 1427 User Manual Signal Connections This chapter describes connecting signals to the MDR 26 pin and 15 pin D SUB connectors on the NI 1427 This chapter also describes considerations for using the NI 1427 with the NI Camera Link I O Extension Board Connectors Figure 3 1 shows the connectors on the NI 1427 device CAMERA LINK Jo 1 MDR 26 Pin Connector 2 15 Pin D SUB Connector Figure 3 1 NI 1427 Connectors National Instruments Corporation 3 1 NI PCle 1427 User Manual Chapter 3 Signal Connections MDR 26 Pin Conne ctor The MDR 26 pin connector provides reliable high frequency transfer rates be
17. 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 NI 1427 can reorder the data from multiple 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 y s Note For your convenience data reformatting instructions for these cameras have been preprogrammed into the camera files 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 trigger line to start an acquisition on a rising edge or a falling edge You also can drive each line asserted or unasserted as a digital I O line You can map pulses from the high speed timing circuitry or the NI 1427 status signals to these trigger lines Seven RTSI bus triggers and four external triggers all of which are programmable for polarity and direction are available for simultaneous use Additional I O is available with the NI Camera Link I O Extension Board Refer to the Using the NI 1427 with the NI Camera Link I O Extension Board section of Chapter 3 Signal Connections for information about the I O functionality of the NI 1427 when used with the NI Camera Link I O Extension Board Individually configure the four external triggers in MAX as single e
18. NI Vision NI PCle 1427 User Manual Base Configuration Camera Link Image Acquisition Device September 2006 X7 NATIONAL 371816A 01 N INSTRUMENTS Worldwide Technical Support and Product Information ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 Worldwide Offices Australia 1800 300 800 Austria 43 0 662 45 79 90 0 Belgium 32 0 2 757 00 20 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 6555 7838 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 385 0 9 725 725 11 France 33 0 1 48 14 24 24 Germany 49 0 89 741 31 30 India 91 80 41190000 Israel 972 0 3 6393737 Italy 39 02 413091 Japan 81 3 5472 2970 Korea 82 02 3451 3400 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 Russia 7 095 783 68 51 Singapore 1800 226 5886 Slovenia 386 3 425 4200 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 200 51 51 Taiwan 886 02 2377 2222 Thailand 662 278 6777 United Kingdom 44 0 1635 523545 For further support information refer to the Technical Support and Professional Services appendix To comment on National Instruments documentation refer to the National Instruments Web site at ni com info and enter the info code feedback 2006 Nati
19. RY 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 SUITABILITY 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 Compliance with FCC Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission FCC has rules to protect wireless communications from interference The FCC places digital electronics into two classes These classes are known as Class A for use in industrial commercial locations only or Class B for use in residential or commercial locations All National Instruments NI products are FCC Class A products Depending on where it is operated this Class A product could be sub
20. al 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 Instruments installation
21. ation Certificate If your product supports calibration you can obtain the calibration certificate for your product at ni com calibration If you searched ni com and could not find the answers you need contact your local office or NI corporate headquarters Phone numbers for our worldwide offices are listed at the front of this manual You also can visit the Worldwide Offices section of ni com niglobal to access the branch office Web sites which provide up to date contact information support phone numbers email addresses and current events NI PCle 1427 User Manual B 2 ni com Glossary A acquisition window The image size specific to a video standard or camera resolution active line region The region of lines actively being stored Defined by a line start relative to the vertical synchronization signal and a 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 API Application programming interface area A rectangular portion of an acquisition window or frame that is controlled and defined by software buffer Temporary storage for acquired data bus 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 C Camera Link Interface standard for digital video data and camera control ba
22. 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 NI 1427 supports the following baud rates 115200 56000 38400 19200 9600 7200 4800 3600 2400 2000 1800 1200 600 and 300 bps You can use the serial interface interactively with MAX clsercon exe or a manufacturer supplied camera control utility or programmatically with LabVIEW and C Interactively e MAX Use MAX with a camera file containing preprogrammed commands When an acquisition is initiated the commands are sent to the camera e 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 communicate serially with your camera From the lt NI IMAQ gt bin directory access clsercon exe e Manufacturer Supplied Camera Control Utility Camera manufacturers who are compliant with the Camera Link 1 1 or later specification provide a camera control utility which sends the appropriate serial commands for configuring your camera through the NI 1427 serial port 2 10 ni com Chapter 2 Hardware Overview Programmatically e LabVIEW Use the serial interface programmatically through calls to the NI IMAQ driver using the IMAQ Serial Write and IMAQ Serial Read VIs Access these files from the lt LabVIEW
23. ded wires for easy connectivity Visit the National Instruments Web site at ni com catalog to purchase a cable assembly kit for the NI 1427 If you decide to build a custom cable National Instruments recommends that you use twisted pair wiring to help reduce noise pickup from outside sources and crosstalk TTL I O lines should be twisted together with a wire connected to DGND Isolated input and RS 422 input lines should be twisted together in their proper pairs Refer to the Connectors section of Chapter 3 Signal Connections for connector pin assignments Camera Link Cables Use a standard Camera Link cable to connect your camera to the MDR 26 pin connector on the NI 1427 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 3 Note National Instruments recommends purchasing a Camera Link cable Building your own cable is not recommended due to the high speed signaling on the Camera Link interface Refer to the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual for more information about Camera Link cables This manual is available on several Web sites including the Automated Imaging Association Web site at www machinevisiononline org National Instruments Corporation A 1 NI PCle 1427 User Manual Appendix A Cabling Figure A 1 illustrates the 3M Camera Link cable Mo
24. dule imaging novices and experts can program the most basic or complicated image applications without knowledge of particular algorithm implementations 1 4 ni com Chapter 1 Introduction AS a part of the Vision Development Module NI Vision Assistant is an interactive prototyping tool for machine vision and scientific imaging developers With Vision Assistant you can prototype vision applications quickly and test how various 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 functions This Builder file provides a guide you can use for developing applications in any ADE such as LabWindows CVI or Visual Basic using the Vision Assistant machine vision and image processing libraries Using the LabVIEW VI creation wizard Vision Assistant can create LabVIEW VI diagrams that perform the prototype you created in Vision Assistant You can then use LabVIEW to add functionality to the generated VI Integration with DAQ and Motion Control Platforms that support NI IMAQ also support NI DAQ and a variety of National Instruments data acquisition DAQ devices This allows for integration between image acquisition and DAQ devices Use National Instruments high performance stepper and servo motion control products with pattern matching software in inspection and guidance applications such as locating alignment markers on semiconduct
25. ftware NI IMAQ has an extensive library of functions such as routines for video configuration continuous and single shot image acquisition memory buffer allocation trigger control and device configuration you can call from the application development environment ADE NI IMAQ handles many of the complex issues between the computer and the image acquisition device such as programming interrupts and camera control NI IMAQ performs all functions required for acquiring and saving images but does not perform image analysis Refer to the National Instruments Application Software section for image analysis functionality NI IMAQ also provides the interface between the NI 1427 and LabVIEW LabWindows CVI or a text based programming environment The NI IMAQ software kit includes a series of libraries for image acquisition for LabVIEW LabWindows CVI and Measurement Studio which contains libraries for Microsoft Visual Basic NI IMAQ features both high level and low level functions Examples of high level functions include the sequences to acquire images in multi buffer single shot or continuous mode An example of a low level National Instruments Corporation 1 3 NI PCle 1427 User Manual Chapter 1 Introduction function is configuring an image sequence since it requires advanced understanding of image acquisition National Instruments Application Software NI PCIe 1427 User Manual This section describes the National Instru
26. ice that converts angular rotation into two pulse trains A and B The phase difference between A and B transmits information about the direction of rotation and the number of transitions indicates the amount of rotation National Instruments Corporation G 3 NI PCle 1427 User Manual Glossary R real time resolution RGB ROI RS 422 RTSI bus S scatter gather DMA T tap transfer rate trigger NI PCIe 1427 User Manual 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 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 eight bits for red eight bits for green eight bits for blue and eight bits for the alpha value unused Region of interest A hardware programmable rectangular portion of the acquisition window A robust serial digital data interchange standard utilizing individual differential signal pairs for data transmission in each direction Depending on data transmission rates RS 422 can be used at distances to 4 000 ft 1 275 m Real Time System Integration Bus
27. iguration 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 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 I 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 Data Transmission A 28 to 4 serializing Channel Link chip drives the data and camera enable signals across the Camera Link cable and the pixel clock on the camera controls the Channel Link chip data transmission The four LVDS pairs are then deserialized by another Channel Link chip on the NI 1427 ay Note Exact timing of camera and image acquisition device communication is camera dependent Refer to the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual for more information about Camera Link timing requirements NI PCle 1427 User Manual 2 2 ni com Chapter 2 Hardware Overview Hardware Binarization The NI 1427 supports binarization and inverse binarization Binarizati
28. ip or joint venture relationship with National Instruments 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 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 INJU
29. ject 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 All Class A products display a simple warning statement of one paragraph in length regarding interference and undesired operation The FCC rules have restrictions regarding the locations where FCC Class A products can be operated Consult the FCC Web site at 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 marking 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 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 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 equipme
30. ments application software packages you can use to analyze and process the images you acquire with the NI 1427 Vision Builder for Automated Inspection NI Vision Builder for Automated Inspection Vision Builder AT is configurable machine vision software that you can use to prototype benchmark and deploy applications Vision Builder AI does not require programming but is scalable to powerful programming environments Vision Builder AI allows you to easily configure and benchmark a sequence of visual inspection steps as well as deploy the visual inspection system for automated inspection With Vision Builder AI you can perform powerful visual inspection tasks and make decisions based on the results of individual tasks You also can migrate the configured inspection to LabVIEW extending the capabilities of the applications if necessary Vision Development Module NI Vision Development Module which consists of NI Vision and NI Vision Assistant is an image acquisition processing and analysis library of more than 270 functions for the following common machine vision tasks e Pattern matching e Particle analysis e Gauging e Taking measurements e Grayscale color and binary image display You can use the Vision Development Module functions individually or in combination With the Vision Development Module you can acquire display and store images as well as perform image analysis and processing Using the Vision Development Mo
31. nded I O lines or alternatively as isolated or RS 422 input only lines You can configure the four external triggers in any combination of single ended I O or input only lines Table 2 1 lists the configuration options available for each trigger source NI PCle 1427 User Manual 2 4 ni com Chapter 2 Hardware Overview Table 2 1 Trigger Configuration Options for the NI 1427 Single ended Alternative Trigger Number Input Output Input Only 0 TTL TRIG 0 ISO IN 0 1 TTL TRIG 1 ISO IN 1 2 TTL TRIG 2 RS422 IN 0 3 TTL TRIG 3 RS422 IN 1 3 Note If not configured as single ended I O lines triggers have input only capability Wiring an Isolated Input to Output Devices You can wire an isolated input to both sourcing and sinking output devices Refer to Figures 2 3 and 2 4 for wiring examples by output type Refer to Getting Started with the NI PClIe 1427 for information about switching thresholds and current requirements UN Caution Do not apply a voltage greater than 30 VDC to the isolated inputs Voltage greater than 30 VDC may damage the NI 1427 Note Isolated inputs are compatible with 5 V logic if the external circuit meets the voltage and current requirements listed in Getting Started with the NI PCIe 1427 National Instruments Corporation 2 5 NI PCle 1427 User Manual Chapter 2 Hardware Overview Sensor A PEFERERS PO RNNENEEN a PERSSSNESR Power i PNP Sourcing
32. nt 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 of this equipment in a residential area is likely to cause harmful interference in which case the user is required to correct the interference at their 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 Compliance with EU Directives Users in the European Union EU should refer to the Declaration of Conformity DoC for information pertaining to the CE marking Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column The CE marking Declaration of Conformity contains important supplementary information and instructions for the user or installer Conventions lt gt 3 AN bold italic monospace NI 1427 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
33. on and inverse binarization segment an image into two regions a particle region and a background region Use binarization and inverse binarization to isolate objects of interest in an image To separate objects under consideration from the background select a pixel value range This pixel value range is known as the gray level interval or the threshold interval Binarization works by setting all image pixels that fall within the threshold interval to the image white value and setting all other image pixels to 0 Pixels inside the threshold interval are considered part of the particle region Pixels outside the threshold interval are considered part of the background region Inverse binarization flips the assigned bit numbers of the particle region and the background region Thus all pixels that belong in the threshold interval or the particle region are set to 0 while all pixels outside the threshold interval or the background region are set to the image white value Figure 2 2 illustrates binarization and inverse binarization NORMAL INVERSE Stored Value Stored Value Sampled Data Sampled Data Figure 2 2 Binarization and Inverse Binarization National Instruments Corporation 2 3 NI PCle 1427 User Manual Chapter 2 Hardware Overview Multiple Tap Data Formatter Many digital cameras transfer multiple taps or pixels of data simultaneously to increase the frame rate of the camera However
34. onal Instruments Corporation All rights reserved Important Information Warranty The NI PCIe 1427 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 the event that technic
35. only a selected subset of the acquisition window The NI 1427 uses onboard direct memory access DMA controllers to transfer data between the device and host memory Each of these controllers supports scatter gather DMA which allows the DMA controller to reconfigure at run time The NI 1427 can perform continuous image transfers directly to either contiguous or fragmented memory buffers The NI IMAQ driver software efficiently programs the DMA engines while providing an easy to use high level interface The NI 1427 is compliant with the PCI Express 1 1 specification The NI 1427 is intended for a x1 PCIe slot The NI 1427 fits into and can also be used in a x4 x8 or x16 PCIe slot Using a smaller width device in a larger width slot is called up plugging National Instruments Corporation 2 9 NI PCle 1427 User Manual Chapter 2 Hardware Overview Start Conditions Serial Interface NI PCle 1427 User Manual The NI 1427 can start acquisitions in the following ways Software control The NI 1427 supports software control of acquisition start You can configure the NI 1427 to capture a fixed number of frames Use this configuration for capturing a single frame or a sequence of frames 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 edge or a falling edge The NI 1427 provides serial communication to and from the
36. ooting wizards thousands of example programs tutorials application notes instrument drivers and so on Free Technical Support All registered users receive free Basic Service which includes access to hundreds of Application Engineers worldwide in the NI Developer Exchange at ni com exchange National Instruments 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 com contact Training and Certification Visit ni com training for self paced training eLearning virtual classrooms interactive CDs and Certification program information You also can register for instructor led hands on courses at locations around the world System Integration If you have time constraints limited in house technical resources or other project challenges National Instruments Alliance Partner members can help To learn more call your local NI office or visit ni com alliance Declaration of Conformity DoC A DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electronic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification B 1 NI PCle 1427 User Manual Appendix B Technical Support and Professional Services e Calibr
37. or wafers guiding robotic arms inspecting the quality of manufactured parts and locating cells National Instruments Corporation 1 5 NI PCle 1427 User Manual Hardware Overview This chapter provides an overview of NI 1427 hardware functionality and explains the operations of the functional units on the device Functional Overview The NI 1427 features a flexible high speed data path optimized for receiving and formatting video data from Camera Link cameras Figure 2 1 illustrates the key functional components of the NI 1427 Multiple Tap Host JN Base Data Interface and Enables Configuration lt lt Formatter and Ki scatter Gather K Y Pixel Clock Receiver Region of DMA Interest Controllers p Serial Transmit UART Serial Receive Camera Control Advanced Acquisition FF ae Timing P Control rr HH BB and TTL I O e m Triggering Quadrature Encoder PCI Express Bus RS 422 Inputs 50 Pin 34 Pin NI Camera Link RTSI Connector Isolated I O Extension L Inputs Board Connector SZ Figure 2 1 NI 1427 Block Diagram 15 Pin DSUB Connector MDR 26 Pin Connector National Instruments Corporation 2 1 NI PCle 1427 User Manual Chapter 2 Hardware Overview Camera Link and the NI 1427 The NI 1427 supports the Camera Link Base conf
38. outputs reserved for camera control control exposure time and frame rate some cameras the camera controls allow the image acquisition device to NI PCle 1427 User Manual 3 2 ni com Chapter 3 Signal Connections 15 pin D SUB Connector The 15 pin D SUB connector connects to general purpose digital I O The general purpose digital I O available on this connector includes four TTL T O lines two optically isolated input lines and two RS 422 input lines The RS 422 lines can be used individually as either single ended or differential lines or together as a quadrature encoder input National Instruments provides a generic 15 pin cable assembly kit part number 190912 04 that breaks the connector out into 15 color coded wires for easy connectivity Refer to the 5 Pin D SUB Cable Specifications section of Appendix A Cabling for information about ordering a cable assembly kit If you require twisted pair wiring you must build a custom cable Refer to the connector pin assignments in Figure 3 3 the signal descriptions in Table 3 2 and the 5 Pin D SUB Cable Specifications section of Appendix A Cabling to build a custom cable for the 15 pin D SUB connector TTL_TRIG 0 1 TTL_TRIG 1 2 DGND TTL_TRIG 2 3 DGND TTL_TRIG 3 4 DGND ISO_IN 0 5 ISO_IN 1 ISO_IN o 6 ee PHASE_A 7 eet PHASE_A 8 Figure 3 3 15 pin D SUB Connector Pin Assignments
39. re advanced digital or analog system triggering or digital I O lines you can use the NI 1427 and NI TMAQ with National Instruments Data Acquisition DAQ or Motion Control products Synchronizing several functions to a common trigger or timing event can be a challenge with image acquisition devices The NI 1427 uses the Real Time System Integration RTST bus to synchronize multiple devices such as data acquisition and motion control devices The RTSI bus uses the National Instrument RTSI bus interface and ribbon cable to route additional timing and trigger signals between the NI 1427 and up to four National Instruments Vision DAQ or Motion Control devices The RTSI bus can also synchronize multiple image acquisition devices to perform simultaneous captures Refer to the Specifications section of Getting Started with the NI PClTe 1427 for detailed specifications of the NI 1427 Overview NI PCle 1427 User Manual This section provides a brief overview of the Camera Link standard Refer to the Specifications of the Camera Link Interface Standard for Digital Cameras and Frame Grabbers manual for more detailed information about Camera Link specifications This manual is available on several Web sites including the Automated Imaging Association site at www machinevisiononline org Developed by a consortium of camera and image acquisition device manufacturers Camera Link is a standard for interfacing digital cameras with image acquisition
40. sed on the Channel Link chipset Channel Link National Semiconductor chipset for high speed data serialization and deserialization for transmission across cables up to 10 m National Instruments Corporation G 1 NI PCle 1427 User Manual Glossary DAQ DMA F frame grabber H handshaking LVDS NLIMAQ NI Vision Acquisition Software NI PCle 1427 User Manual 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 memory 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 A device that digitizes an image and stores it in a computer s memory A type of protocol that makes it possible for two devices to synchronize operations Low Voltage Differential Signaling EIA 644 Driver software for National Instruments frame grabbers A collection of driver software and utilities that acquire display save and monitor images from any NI frame grabber or IEEE 1394 FireWire camera G 2 ni com parity PCI PCIe
41. tween the camera and the image acquisition device To access this connector use a 3M Camera Link cable Refer to the Camera Link Cables section of Appendix A Cabling for additional information about Camera Link cables including available cable lengths and ordering information Figure 3 2 shows the NI 1427 MDR 26 pin connector assignments Refer to Table 3 1 for a description of the MDR 26 pin signal connections 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 201 7 SerTC X 3 21 8 X 3 XCLK 221 9 XCLK X 2 23 10 X 2 X 1 24 11 X 1 X 0 25 12 X 0 DGND 26 13 DGND SV Figure 3 2 MDR 26 Pin Connector Pin Assignments Table 3 1 MDR 26 Pin Connector Signals Signal Name Description X lt 3 0 gt LVDS Base configuration data and enable signals from the camera to the image acquisition device XCLK Transmission clock on the Base configuration chip for Camera Link communication between the image 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 image acquisition device On
42. ut having to program the device at the register level Refer to Getting Started with the NI PCle 1427 for information about installing the NI 1427 Camera files configure the NI 1427 with information about the output format of your camera Camera files validated by National Instruments are installed with the NI IMAQ driver software Additional camera files are available for download from the National Instruments Industrial Camera Advisor at ni com camera The MDR 26 pin connector on the NI 1427 provides connection to Camera Link compatible cameras For further configuration information refer to the Camera Link and the NI 1427 section of Chapter 2 Hardware Overview The 15 pin D SUB connector has four external TTL input output I O lines you can use as triggers or as high speed digital I O lines Should you choose not to use the TTL I O lines the 15 pin D SUB connector also provides access to two optically isolated inputs and two RS 422 inputs The RS 422 inputs can be used as either single ended or differential lines or together as a quadrature encoder input Additional I O lines for advanced National Instruments Corporation 1 1 NI PCle 1427 User Manual Chapter 1 Introduction Camera Link triggering pulse train outputs and isolated digital I O are available with the NI Camera Link I O Extension Board Refer to the NJ Camera Link I O Extension Board User Guide for information about the NI Camera Link I O Extension Board For mo
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