National Instruments NI 781xR Manual de usuario

Reconfigurable I/ONI 781x R User ManualReconfigurable I/O Devices for PCI and PXI/CompactPCI Bus ComputersNI 781xR User ManualJune 2006371089D-01

© National Instruments Corporation 1-1 NI 781xR User Manual1IntroductionThis chapter describes the NI 781xR, the concept of the Reconfigurable I/O (RI

Chapter 1 IntroductionNI 781xR User Manual 1-2 ni.comYou can add additional I/O channels and signal conditioning using the CompactRIO R Series Expansi

Chapter 1 Introduction© National Instruments Corporation 1-3 NI 781xR User ManualOverview of Reconfigurable I/OThis section explains reconfigurable I/

Chapter 1 IntroductionNI 781xR User Manual 1-4 ni.comreconfigure the device in another application for four independent timed loops with separate I/O

Chapter 1 Introduction© National Instruments Corporation 1-5 NI 781xR User ManualSoftware accesses the R Series device through the bus interface. The

Chapter 1 IntroductionNI 781xR User Manual 1-6 ni.comand functions to control the I/O, timing, and logic of the R Series device and generate interrupt

Chapter 1 Introduction© National Instruments Corporation 1-7 NI 781xR User ManualCables and Optional EquipmentNational Instruments offers a variety of

Chapter 1 IntroductionNI 781xR User Manual 1-8 ni.comSafety InformationThe following section contains important safety information that you must follo

Chapter 1 Introduction© National Instruments Corporation 1-9 NI 781xR User ManualOperate the NI 781xR at or below the measurement category1 listed in

© National Instruments Corporation 2-1 NI 781xR User Manual2Hardware Overview of the NI 781x RThis chapter presents an overview of the hardware functi

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

Chapter 2 Hardware Overview of the NI 781xRNI 781xR User Manual 2-2 ni.comNI 7811R OverviewThe NI 7811R has 160 bidirectional DIO lines and a one mill

Chapter 2 Hardware Overview of the NI 781xR© National Instruments Corporation 2-3 NI 781xR User ManualCaution Exceeding the maximum input voltage rati

Chapter 2 Hardware Overview of the NI 781xRNI 781xR User Manual 2-4 ni.comFigure 2-2 shows DIO<0..3> configured for digital input and DIO<4..

Chapter 2 Hardware Overview of the NI 781xR© National Instruments Corporation 2-5 NI 781xR User Manuallines are labeled RTSI/TRIG<0..6> and RTSI

Chapter 2 Hardware Overview of the NI 781xRNI 781xR User Manual 2-6 ni.comCaution Do not drive the same PXI local bus line with the NI PXI-781xR and a

Chapter 2 Hardware Overview of the NI 781xR© National Instruments Corporation 2-7 NI 781xR User ManualFigure 2-3. Switch Location on the NI PXI-781xR

Chapter 2 Hardware Overview of the NI 781xRNI 781xR User Manual 2-8 ni.comFigure 2-4. Switch Location on the NI PCI-781xRFigure 2-5. Switch Settings

Chapter 2 Hardware Overview of the NI 781xR© National Instruments Corporation 2-9 NI 781xR User ManualComplete the following steps to prevent a VI sto

© National Instruments Corporation A-1 NI 781xR User ManualASpecificationsThis appendix lists the specifications of the NI 781xR. These specifications

Appendix A SpecificationsNI 781xR User Manual A-2 ni.comReconfigurable FPGANumber of logic slicesNI 7811R ...5,1

Important InformationWarrantyThe NI 781xR is warranted against defects in materials and workmanship for a period of one year from the date of shipmen

Appendix A Specifications© National Instruments Corporation A-3 NI 781xR User ManualPower Requirement+5 VDC (±5%)NI 7811R...

Appendix A SpecificationsNI 781xR User Manual A-4 ni.comEnvironmentalOperating EnvironmentThe NI 781xR is intended for indoor use only.Ambient tempera

Appendix A Specifications© National Instruments Corporation A-5 NI 781xR User ManualSafetyThe NI 781xR is designed to meet the requirements of the fol

© National Instruments Corporation B-1 NI 781xR User ManualBConnecting I/O SignalsThis appendix describes how to make input and output signal connecti

Appendix B Connecting I/O SignalsNI 781xR User Manual B-2 ni.comFigure B-1. NI 781xR Connector Locations1 Connector Overlay for the NI PXI-781x2 Conn

Appendix B Connecting I/O Signals© National Instruments Corporation B-3 NI 781xR User ManualFigure B-2 shows the I/O connector pin assignments for the

Appendix B Connecting I/O SignalsNI 781xR User Manual B-4 ni.comend of the cable into the appropriate I/O connector and connect the other end of the c

Appendix B Connecting I/O Signals© National Instruments Corporation B-5 NI 781xR User ManualConnecting to SSR Signal ConditioningNI provides cables th

Appendix B Connecting I/O SignalsNI 781xR User Manual B-6 ni.comFigure B-3. Connector Pinouts for Use with the NSC68-5050 Cable2468101214161820222426

© National Instruments Corporation C-1 NI 781xR User ManualCUsing the SCB-68 Shielded Connector BlockThis appendix describes how to connect input and

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

© National Instruments Corporation D-1 NI 781xR User ManualDTechnical Support and Professional ServicesVisit the following sections of the National In

Appendix D Technical Support and Professional ServicesNI 781xR User Manual D-2 ni.com• Calibration Certificate—If your product supports calibration, y

© National Instruments Corporation G-1 NI 781xR User ManualGlossarySymbol Prefix Valueppico10–12µ micro 10–6m milli 10–3Mmega106AA Amperes.ASIC Applic

GlossaryNI 781xR User Manual G-2 © National Instruments CorporationCMRR Common-mode rejection ratio—A measure of an instrument’s ability to reject int

Glossary© National Instruments Corporation G-3 NI 781xR User ManualEEEPROM Electrically erasable programmable read-only memory—ROM that can be erased

GlossaryNI 781xR User Manual G-4 © National Instruments CorporationMm Meter.max Maximum.MIMO Multiple input, multiple output.min Minimum.MIO Multifunc

Glossary© National Instruments Corporation G-5 NI 781xR User ManualPPCI Peripheral Component Interconnect—A high-performance expansion bus architectur

GlossaryNI 781xR User Manual G-6 © National Instruments CorporationSs Seconds.S Samples.S/s Samples per second—Used to express the rate at which a DAQ

Glossary© National Instruments Corporation G-7 NI 781xR User ManualVOHVolts, output high.VOLVolts, output low.VrmsVolts, root mean square.Wwaveform Mu

© National Instruments Corporation v NI 781xR User ManualContentsAbout This ManualConventions ...

ContentsNI 781xR User Manual vi ni.comAppendix BConnecting I/O SignalsAppendix CUsing the SCB-68 Shielded Connector BlockAppendix DTechnical Support a

© National Instruments Corporation vii NI 781xR User ManualAbout This ManualThis manual describes the electrical and mechanical aspects of the Nationa

About This ManualNI 781xR User Manual viii ni.commonospace Text in this font denotes text or characters that you should enter from the keyboard, secti

About This Manual© National Instruments Corporation ix NI 781xR User ManualRelated DocumentationThe following documents contain information you may fi