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National Instruments IMAQ PCI-1422 Скачать руководство пользователя страница 22

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National Instruments Corporation

3-1

IMAQ PCI/PXI-1422 User Manual

3

Hardware Overview

This chapter presents an overview of the hardware functions on your
PCI/PXI-1422 board and explains the operation of each functional unit
making up the PCI/PXI-1422.

Functional Overview

The PCI/PXI-1422 features a flexible, high-speed data path optimized
for the reception and formatting of video data from digital cameras.

The block diagram in Figure 3-1 illustrates the key functional components
of the PCI/PXI-1422.

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Содержание IMAQ PCI-1422

Страница 1: ...IMAQ IMAQ PCI PXI 1422 User Manual High Quality Digital Image Acquisition Board for PCI PXI and CompactPCI Chassis IMAQ PCI PXI 1422 User Manual April 2001 Edition Part Number 322158C 01...

Страница 2: ...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 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Malaysia 603 9...

Страница 3: ...rvice failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent act...

Страница 4: ...ents 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 Cla...

Страница 5: ...ose 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 To obtain the DoC for...

Страница 6: ...avoid injury data loss or a system crash This icon denotes a warning which advises you of precautions to take to avoid being electrically shocked italic Italic text denotes variables emphasis a cross...

Страница 7: ...1 Optional Equipment 2 2 How to Set up Your IMAQ System 2 2 Safety Information 2 4 Unpacking 2 5 Installation 2 6 Chapter 3 Hardware Overview Functional Overview 3 1 Differential TTL Level Converters...

Страница 8: ...Contents IMAQ PCI PXI 1422 User Manual x ni com Chapter 4 Signal Connections I O Connector 4 1 Signal Description 4 3 Appendix A Specifications Appendix B Technical Support Resources Glossary Index...

Страница 9: ...IMAQ hardware products Using NI IMAQ you can quickly and easily start your applications without having to program the device at the register level Featuring a high speed data flow path the PCI PXI 142...

Страница 10: ...ith the basic PCI interface on the CompactPCI bus Compatible operation is not guaranteed between CompactPCI devices with different sub buses or between CompactPCI devices with sub buses and PXI The st...

Страница 11: ...programming languages 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 prototy...

Страница 12: ...ance NI IMAQ has both high level and low level functions Examples of high level functions include the functions that acquire images in single shot or continuous mode An example of a low level function...

Страница 13: ...ithout 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 IM...

Страница 14: ...l 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...

Страница 15: ...he following items One of the following 1422 devices PCI 1422 PXI 1422 Getting Started with Your IMAQ System IMAQ PCI PXI 1422 User Manual NI IMAQ Release Notes 2 5 or higher NI IMAQ 2 5 or higher for...

Страница 16: ...Q or DAQ hardware Other National Instruments DAQ devices for enhanced triggering timing and input output For more specific information about these products refer to the National Instruments catalog or...

Страница 17: ...Vision documentation when you need specific information about individual NI IMAQ functions Read Chapter 1 Introduction to NI IMAQ in the NI IMAQ User Manual Read the sections in chapters 2 and 3 in t...

Страница 18: ...ith hazardous voltages 30 Vrms 42 4 Vpk or 60 Vdc it may require a safety earth ground connection wire See the device specifications for maximum voltage ratings Because of the danger of introducing ad...

Страница 19: ...h as stationary motors permanently connected to the fixed installation Installation Category II for measurements performed on circuits directly connected to the low voltage installation Examples inclu...

Страница 20: ...unplug your computer Warning To protect both yourself and the computer from electrical hazards the computer should remain off until you finish installing the PCI 1422 2 Follow the electrostatic disch...

Страница 21: ...Chapter 1 Introduction of this manual 1 Turn off and unplug your PXI or CompactPCI chassis 2 Choose an unused PXI or CompactPCI 5 V peripheral slot Install the PXI 1422 in a slot that supports bus ar...

Страница 22: ...your PCI PXI 1422 board and explains the operation of each functional unit making up the PCI PXI 1422 Functional Overview The PCI PXI 1422 features a flexible high speed data path optimized for the re...

Страница 23: ...u can use for two 256 B by 8 bit LUT operations or one 64 KB by 16 bit lookup table You can configure this LUT to perform simple imaging operations such as contrast enhancement data inversion gamma ma...

Страница 24: ...ration circuitry on the PCI PXI 1422 generates frequencies from 500 kHz to 40 MHz for digital cameras that require an external clock RS 232 Serial Interface UART You can use the RS 232 serial interfac...

Страница 25: ...s 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 g...

Страница 26: ...start acquisitions instantaneously or after skipping a specific number of images Frame field selection With an interlaced camera and the PCI PXI 1422 in frame mode you can program the PCI PXI 1422 to...

Страница 27: ...ry other pixel every fourth pixel or every eighth pixel For active line selection the PCI PXI 1422 can select every line every other line every fourth line or every eighth line You can use the scaling...

Страница 28: ...eo data inputs digital enable inputs camera control outputs RS 232 serial interface and the external trigger signals To access these connections you can build your own custom cable or use one of the o...

Страница 29: ...nableB SIN RS 232 EnableB SOUT RS 232 EnableA Master Clock0 EnableA Master Clock0 Control3 Master Clock1 Control3 Master Clock1 Control2 DCD RS 232 Control2 CTS RS 232 Control1 RTS RS 232 Control1 DSR...

Страница 30: ...y combination of up to four enable signals These signals can be either TTL or differential Examples of camera signals which might be connected to these pins are frame enable line enable even enable an...

Страница 31: ...22 User Manual 4 4 ni com RTS Request to Send is used for RS 232 connections SIN Serial Data In is used for RS 232 connections SOUT Serial Data Out is used for RS 232 connections Table 4 1 I O Connect...

Страница 32: ...1 signal voltage plus common mode voltage External Connections Trigger sense TTL Trigger level Programmable rising or falling Pixel clock sense Selectable TTL or differential Pixel clock level Program...

Страница 33: ...I target slave capability Supported Data path 16 bits Card voltage 5 V 12 V 12 V Card type 32 bit half size card Parity generation checking error reporting Supported Target decode speed Medium 1 clock...

Страница 34: ...8 lb PXI 1422 0 172 kg 0 38 lb Environment Operating temperature 0 to 55 C Storage temperature 20 to 70 C Humidity 10 to 90 RH noncondensing Maximum altitude 2000 m Pollution degree 2 MTBF 544 562 h a...

Страница 35: ...shielded cabling In addition all covers and filler panels must be installed See the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the D...

Страница 36: ...ss the latest example programs system configurators tutorials technical news as well as a community of developers ready to share their own techniques Customer Education National Instruments provides a...

Страница 37: ...eb 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...

Страница 38: ...pico 10 12 n nano 10 9 micro 10 6 m milli 10 3 k kilo 103 M mega 106 G giga 109 t tera 1012 Numbers Symbols Percent Positive of or plus Per Ohm Plus or minus Negative of or minus A A Amperes AC Alter...

Страница 39: ...y software array Ordered indexed set of data elements of the same type ASIC Application Specific Integrated Circuit A proprietary semiconductor component designed and manufactured to perform a set of...

Страница 40: ...s in the same computer dB Decibel The unit for expressing a logarithmic measure of the ratio of two signal levels dB 20log10 V1 V2 for signals in volts DC Direct current default setting A default para...

Страница 41: ...ed lines FIFO 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 ret...

Страница 42: ...nal indicating that the CPU should suspend its current task to service a designated activity interrupt level The relative priority at which a device can interrupt IRQ Interrupt request See interrupt K...

Страница 43: ...ing addresses on the local processor MSB Most significant bit MTBF Mean time between failure mux Multiplexer A switching device with multiple inputs that selectively connects one of its inputs to its...

Страница 44: ...line into pixels pixel count The total number of pixels between two horizontal synchronization signals The pixel count determines the frequency of the pixel clock protocol The exact sequence of bits c...

Страница 45: ...synchronization of functions S s Seconds scaling down circuitry Circuitry that scales down the resolution of a video signal scatter gather DMA A type of DMA that allows the DMA controller to reconfig...

Страница 46: ...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...

Страница 47: ...table 4 3 CTS signal table 4 3 D DAQ integration with 1 6 data formatter multiple tap 3 3 Data 0 15 signal table 4 3 DCD signal table 4 3 delayed acquisition start conditions 3 5 differential level TT...

Страница 48: ...figure 4 2 signal description table 4 3 to 4 4 L LUTs look up tables 3 2 M mapping circuitry 3 3 Master Clock 0 1 signal table 4 3 memory board configuration NVRAM 3 4 SDRAM 3 3 motion control and vis...

Страница 49: ...AQ driver software 1 4 SOUT signal table 4 4 specifications clocks A 1 environment A 3 external connections A 1 PCI interface A 2 physical A 3 power requirements A 2 start conditions delayed acquisiti...

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