National Instruments PCI-8254R Manuel d'utilisateur

NI VisionNI PCI-8254R User Manual1394a Image Acquisition Device with Reconfigurable I/ONI PCI-8254R User ManualSeptember 2006371578C-01

Chapter 1 Introduction© National Instruments Corporation 1-3 NI PCI-8254R User ManualVision Assistant generates a Builder file, which is a text descri

Chapter 1 IntroductionNI PCI-8254R User Manual 1-4 ni.comFigure 1-1. NI 8254R Block DiagramStart ConditionsThe NI 8254R can start acquisitions in the

© National Instruments Corporation 2-1 NI PCI-8254R User Manual2Digital I/OThe digital I/O functions on the NI 8254R are accessible through 2 TTL inpu

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-2 ni.comNI-IMAQ I/O devices such as the such as the NI 8254R, the NI 8255R, and the CVS-1450 Series Co

Chapter 2 Digital I/O© National Instruments Corporation 2-3 NI PCI-8254R User ManualIsolated Inputs and OutputsThe isolated inputs and outputs on the

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-4 ni.comTable 2-2 summarizes the isolated inputs and outputs available on the NI 8254R.I/O for Normal

Chapter 2 Digital I/O© National Instruments Corporation 2-5 NI PCI-8254R User ManualTrigger InputsTrigger inputs are available from both TTL inputs an

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-6 ni.comWhen the pulse generator is configured for a particular trigger input, after generating a puls

Chapter 2 Digital I/O© National Instruments Corporation 2-7 NI PCI-8254R User ManualPulse WidthPulse width is the amount of time between the first (as

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-8 ni.comTrigger Change DetectorsThe NI 8254R is capable of detecting edges on various trigger lines an

SupportWorldwide Technical Support and Product Informationni.comNational Instruments Corporate Headquarters11500 North Mopac Expressway Austin, Texas

Chapter 2 Digital I/O© National Instruments Corporation 2-9 NI PCI-8254R User Manualexample, an upstream NI 8254R device programmed for part classific

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-10 ni.comAn example of how to use general-purpose inputs is reading the status of a general-purpose in

Chapter 2 Digital I/O© National Instruments Corporation 2-11 NI PCI-8254R User ManualShutdownShutdown mode is a software-enabled feature that, when ac

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-12 ni.comConsiderations When Connecting the Digital I/OThe isolated trigger inputs on the NI 8254R are

Chapter 2 Digital I/O© National Instruments Corporation 2-13 NI PCI-8254R User ManualWiring an Isolated Output to an External LoadThe digital output c

Chapter 2 Digital I/ONI PCI-8254R User Manual 2-14 ni.comProtecting Inductive LoadsWhen an inductive load, such as a relay or solenoid, is connected t

Chapter 2 Digital I/O© National Instruments Corporation 2-15 NI PCI-8254R User ManualTransmission Line EffectsTransmission line effects can degrade th

© National Instruments Corporation 3-1 NI PCI-8254R User Manual3Signal ConnectionsThe following diagram shows the connectors on the NI 8254R device.1

Chapter 3 Signal ConnectionsNI PCI-8254R User Manual 3-2 ni.comTable 3-1 summarizes the functions of the connectors on the NI 8254R device.ConnectorsT

Chapter 3 Signal Connections© National Instruments Corporation 3-3 NI PCI-8254R User ManualTable 3-2 summarizes the functions of the power connector t

Important InformationWarrantyThe NI PCI-8254R is warranted against defects in materials and workmanship for a period of one year from the date of shi

Chapter 3 Signal ConnectionsNI PCI-8254R User Manual 3-4 ni.comFigure 3-2 illustrates the 44-pin D-SUB connector on the NI 8254R.Figure 3-2. NI 8254R

Chapter 3 Signal Connections© National Instruments Corporation 3-5 NI PCI-8254R User Manual5 6 C Common-mode signal of the NI 8255R device main power—

Chapter 3 Signal ConnectionsNI PCI-8254R User Manual 3-6 ni.com16 2 TTL Input 1 Pulse generator trigger inputTrigger Change Detector, General-purpose

Chapter 3 Signal Connections© National Instruments Corporation 3-7 NI PCI-8254R User Manual27 36 ISO Output 2 General-purpose output—28 37 ISO Output

Chapter 3 Signal ConnectionsNI PCI-8254R User Manual 3-8 ni.comCablingIEEE 1394 Camera CablesYou can connect cameras to the NI 8254R using standard IE

Chapter 3 Signal Connections© National Instruments Corporation 3-9 NI PCI-8254R User ManualI/O Terminal BlockNational Instruments provides an I/O term

Chapter 3 Signal ConnectionsNI PCI-8254R User Manual 3-10 ni.comThe isolated outputs power connector on the NI 8254R device accommodates one power sup

© National Instruments Corporation A-1 NI PCI-8254R User ManualATechnical Support and Professional ServicesVisit the following sections of the Nationa

Appendix A Technical Support and Professional ServicesNI PCI-8254R User Manual A-2 ni.com• Calibration Certificate—If your product supports calibratio

© National Instruments Corporation G-1 NI PCI-8254R User ManualGlossaryAADE Application development environment such as LabVIEW, Visual Basic, or MSVC

ComplianceCompliance with FCC/Canada Radio Frequency Interference RegulationsDetermining FCC ClassThe Federal Communications Commission (FCC) has rul

GlossaryNI PCI-8254R User Manual G-2 ni.comFfalling edge An edge trigger occurs when the trigger signal passes through a specified threshold. A slope

Glossary© National Instruments Corporation G-3 NI PCI-8254R User ManualPpixel The fundamental picture element in a digital image. The smallest resolva

GlossaryNI PCI-8254R User Manual G-4 ni.comVVDC Volts direct current.voltage The electromotive force.

© National Instruments Corporation I-1 NI PCI-8254R User ManualIndexAacquisition window control, 1-4Ccabling, 3-8calibration certificate (NI resources

IndexNI PCI-8254R User Manual I-2 ni.comNNational Instruments support and services, A-1NI 1427software programming choicesNI Vision Builder for Automa

Index© National Instruments Corporation I-3 NI PCI-8254R User ManualTtechnical support, A-1timed pulse outputinitiating, 2-5overview, 2-5training and

ConventionsThe following conventions are used in this manual:» The » symbol leads you through nested menu items and dialog box options to a final acti

© National Instruments Corporation vii NI PCI-8254R User Manual ContentsChapter 1IntroductionSoftware Overview ...

ContentsNI PCI-8254R User Manual viii ni.comChapter 3Signal ConnectionsConnectors...

© National Instruments Corporation 1-1 NI PCI-8254R User Manual1IntroductionThe National Instruments PCI-8254R is an IEEE 1394a interface device for P

Chapter 1 IntroductionNI PCI-8254R User Manual 1-2 ni.comNational Instruments also offers the following application software packages for analyzing an