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 National Instruments Corporation

2-1

NI PXI/PCI-1428 User Manual

2

Hardware Overview

This chapter provides an overview of NI 1428 hardware functionality and 
explains the operations of the NI 1428 functional units.

Functional Overview

The NI 1428 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 1428.

Figure 2-1.  

NI 1428 Block Diagram

Data

26-Pin MDR Connector

Channel 

Link 

Receiver

Enables

Pixel

Clock

Camera

Control

UART

PCI/PXI Bus

PCI/PXI Interface

and

Scatter-Gather

DMA Controllers

Data

IMAQ SDRAM

Interface

Synchronous Dynamic RAM

Advanced

Timing

Acquisition, 

ROI, and Triggering

External Triggers

Pixel Clock and Camera Enables

RTSI Bus

LUT

LUT

Data

Data

Differential

Converter

68-Pin VHDCI

Serial

Control

Enables

Pixel

Clock

Channel  

Link  

Receiver  

Data

Summary of Contents for Vision PXI/PCI-1428

Page 1: ...NI Vision NI PXI PCI 1428 User Manual High Quality Camera Link Image Acquisition Device for PXI and PCI NI PXI PCI 1428 User Manual February 2007 372862E 01...

Page 2: ...0 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russi...

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

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

Page 5: ...notes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names italic Italic text denotes variables emphasis a cross referen...

Page 6: ...view Functional Overview 2 1 Camera Link and the NI 1428 2 2 Base Configuration 2 2 Medium Configuration 2 2 Data Transmission 2 2 LUTs 2 3 Multiple Tap Data Formatter 2 3 SDRAM 2 3 Trigger Control an...

Page 7: ...Contents NI PXI PCI 1428 User Manual viii ni com Appendix A Cabling Appendix B Technical Support and Professional Services Glossary Index...

Page 8: ...provides access to the 8 bit 4 mode of the Camera Link Medium configuration For further configuration information refer to the Camera Link and the NI 1428 section of Chapter 2 Hardware Overview The VH...

Page 9: ...d 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 Nationa...

Page 10: ...plication Software section NI IMAQ is also the interface path between the NI 1428 and LabVIEW LabWindows CVI or a text based programming environment The NI IMAQ software kit includes a series of libra...

Page 11: ...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 Module imaging novices and expe...

Page 12: ...is allows integration between image acquisition devices and National Instruments DAQ products Vision and Motion Use National Instruments high performance stepper and servo motion control products with...

Page 13: ...amera Link cameras Figure 2 1 illustrates the key functional components of the NI 1428 Figure 2 1 NI 1428 Block Diagram Data 26 Pin MDR Connector Channel Link Receiver Enables Pixel Clock Camera Contr...

Page 14: ...s 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 Medium Configuration The NI 1428 supports the 8 bit 4 tap of...

Page 15: ...be independently scanned either from left to right or right to left and top to bottom or bottom to top Note For your convenience data reformatting instructions for these cameras have been preprogramm...

Page 16: ...ion window to transfer across the PCI bus to system memory Note You can use MAX to set the acquisition and ROI parameters Scatter Gather DMA Controllers The NI 1428 uses three independent onboard dire...

Page 17: ...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 asse...

Page 18: ...AQ driver using the IMAQ Serial Write and IMAQ Serial Read VIs Go to LabVIEW vi lib vision driver imaqll llb to access these files C Use the serial interface programmatically through calls to the NI I...

Page 19: ...ibes the MDR 26 pin connector and the 68 pin VHDCI connector on the NI 1428 device Connectors Figure 3 1 shows the connectors on the NI 1428 device Figure 3 1 NI 1428 Connectors 1 MDR 26 Pin Connector...

Page 20: ...ections Figure 3 2 MDR 26 Pin Connector Assignments 68 Pin VHDCI Connector The 68 pin VHDCI connector connects to external digital I O lines triggers and medium configuration 8 bit 4 mode To access th...

Page 21: ...SERVED RESERVED RESERVED RESERVED RESERVED RESERVED DGND DGND RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED DGND DGND RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED DG...

Page 22: ...ition device Y 3 0 LVDS Medium configuration data and enable signals from the camera to the acquisition device XCLK Transmission clock on the Base configuration chip for Camera Link communication betw...

Page 23: ...cable for the 68 pin VHDCI connector you must use twisted pairs for each signal If you are using the Camera Link Medium Configuration Trigger Cable for NI 1428 part number 190936 01 refer to Figure B...

Page 24: ...ERVED RESERVED RESERVED RESERVED CL_Y 3 CL_YCLK CL_Y 2 CL_Y 1 CL_Y 0 GND GND RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED CL_Y 3 CL_YCLK CL_Y 2 CL_Y 1 CL_Y 0 GND 14 15 16 17 18 19 20 21 22 23...

Page 25: ...l 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 For more information on Camera Link cabl...

Page 26: ...ailable 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 www 3m com Refer to Figure A 4 for 3M part number informa...

Page 27: ...nstruments Application Engineers make sure every question receives an answer For information about other technical support options in your area visit ni com services or contact your local office at ni...

Page 28: ...com calibration If you searched ni com and could not find the answers you need contact your local office or NI corporate headquarters Phone numbers for our worldwide offices are listed at the front of...

Page 29: ...tion of an acquisition window or frame that is controlled and defined by software ASIC Application Specific Integrated Circuit A proprietary semiconductor component designed and manufactured to perfor...

Page 30: ...g data to from computer memory drivers Software that controls a specific hardware device such as an image acquisition board F FIFO First in first out memory buffer The first data stored is the first d...

Page 31: ...ion 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...

Page 32: ...ate trigger Any event that causes or starts some form of data capture trigger control and mapping circuitry Circuitry that routes monitors and drives external and RTSI bus trigger lines You can config...

Page 33: ...urces B 2 Camera Link Base configuration 2 2 cabling description A 3 ordering information A 4 Medium configuration 2 2 overview 1 2 CC 4 1 signal table 3 4 CHASSIS_GND signal table 3 4 clock signals X...

Page 34: ...ration with DAQ and motion control 1 5 K KnowledgeBase B 1 L LabVIEW Vision Builder AI 1 4 LUTs lookup tables 2 3 M mapping circuitry 2 3 MDR 26 pin connector 3 2 Medium configuration Camera Link 2 2...

Page 35: ...and Motion 1 5 Vision Builder for Automated Inspection 1 3 Vision Development Module 1 4 software Vision Development Module 1 4 start conditions delayed acquisition 2 5 software control 2 4 trigger c...

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