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Chapter 2

Hardware Overview

©

National Instruments Corporation

2-11

NI PCIe-1427 User Manual

Programmatically:

•

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

<LabVIEW>\vi.lib\vision\

driver\imaqll.llb

directory.

•

C

—Use the serial interface programmatically, through calls to the

NI-IMAQ driver using the

imgSessionSerialWrite

and

imgSessionSerialRead

functions.

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

.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Содержание PCIe-1427

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...1427 User Manual Base Configuration Camera Link Image Acquisition Device NI PCIe 1427 User Manual September 2006 371816A 01 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE w...

Страница 3: ...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...

Страница 4: ...ormation 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...

Страница 5: ...ns 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 compl...

Страница 6: ...x options italic Italic text denotes variables emphasis a cross reference or an introduction to a key concept Italic text also denotes text that is a placeholder for a word or value that you must supp...

Страница 7: ...guration 2 2 Data Transmission 2 2 Hardware Binarization 2 3 Multiple Tap Data Formatter 2 4 Trigger Control and Mapping Circuitry 2 4 Wiring an Isolated Input to Output Devices 2 5 Connecting to a Qu...

Страница 8: ...CIe 1427 User Manual viii ni com Appendix A Cabling Appendix B Technical Support and Professional Services Glossary Index Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Страница 9: ...register level Refer to Getting Started with the NI PCIe 1427 for information about installing the NI 1427 Camera files configure the NI 1427 with information about the output format of your camera Ca...

Страница 10: ...to the Specifications section of Getting Started with the NI PCIe 1427 for detailed specifications of the NI 1427 Camera Link This section provides a brief overview of the Camera Link standard Refer...

Страница 11: ...nsive 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...

Страница 12: ...r 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 o...

Страница 13: ...ion 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 LabV...

Страница 14: ...onal components of the NI 1427 Figure 2 1 NI 1427 Block Diagram MDR 26 Pin Connector 15 Pin DSUB Connector UART TTL I O Pixel Clock Enables Data Camera Control Advanced Timing Isolated Inputs Host Int...

Страница 15: ...camera acquisition Base configuration includes the following bit allocations 8 bit 1 2 and 3 taps channels 10 bit 1 and 2 taps 12 bit 1 and 2 taps 14 bit 1 tap 16 bit 1 tap 24 bit RGB Data Transmissio...

Страница 16: ...hreshold 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...

Страница 17: ...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...

Страница 18: ...ng thresholds and current requirements 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...

Страница 19: ...al 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 quadr...

Страница 20: ...ecting differential line drivers Figure 2 6 Example of Connecting Differential Line Drivers Phase A Phase A Phase B Phase B 3 3 V 26LV32 26LV32 10 k 10 k 10 k 10 k 7 5 k 7 5 k 7 5 k 7 5 k Phase A Phas...

Страница 21: ...ce 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...

Страница 22: ...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 ena...

Страница 23: ...000 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 progra...

Страница 24: ...and imgSessionSerialRead functions 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...

Страница 25: ...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 Figure 3 1 NI 142...

Страница 26: ...0 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 imag...

Страница 27: ...or out into 15 color coded wires for easy connectivity Refer to the 15 Pin D SUB Cable Specifications section of Appendix A Cabling for information about ordering a cable assembly kit If you require t...

Страница 28: ...g to the NI Camera Link I O Extension Board Table 3 2 15 Pin D SUB Connector Signals Signal Name Description TTL_TRIG 3 0 TTL external triggers DIO lines I O DGND Direct connection to digital GND on t...

Страница 29: ...es 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...

Страница 30: ...uments 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 Figure A 2 3M Part Number...

Страница 31: ...ry 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...

Страница 32: ...d 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 O...

Страница 33: ...gramming interface area A rectangular portion of an acquisition window or frame that is controlled and defined by software B buffer Temporary storage for acquired data bus A group of conductors that i...

Страница 34: ...nd 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 F frame grabber A device that digitizes an image and...

Страница 35: ...d 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 t...

Страница 36: ...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...

Страница 37: ...top 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 functiona...

Страница 38: ...ectors 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...

Страница 39: ...nal Instruments application software 1 4 National Instruments support and services B 1 NI 1427 Camera Link 1 2 overview and features 1 1 software programming choices 1 3 integration with DAQ 1 5 Natio...

Страница 40: ...uilder 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 certificatio...

Страница 41: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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