National Instruments NI 785xR Manual de usuario

Intelligent DAQNI R Series Intelligent DAQ User ManualNI 781xR, 783xR, NI 784xR, and NI 785xR DevicesR Series Intelligent DAQ User ManualJune 20083704

About This ManualR Series Intelligent DAQ User Manual x ni.comAdditional ResourcesThe following documents contain information you might find helpful:•

© National Instruments Corporation 1-1 R Series Intelligent DAQ User Manual1IntroductionThis chapter describes the NI 781xR/783xR/784xR/785xR, the con

Chapter 1 IntroductionR Series Intelligent DAQ User Manual 1-2 ni.cominstrument (VI) to the FPGA. Using the FPGA Module, you can graphically design th

Chapter 1 Introduction© National Instruments Corporation 1-3 R Series Intelligent DAQ User ManualPXI-specific features are implemented on the J2 conne

Chapter 1 IntroductionR Series Intelligent DAQ User Manual 1-4 ni.comFlexible FunctionalityFlexible functionality allows the NI 78xxR to match individ

Chapter 1 Introduction© National Instruments Corporation 1-5 R Series Intelligent DAQ User ManualReconfigurable I/O ArchitectureFigure 1-1 shows an FP

Chapter 1 IntroductionR Series Intelligent DAQ User Manual 1-6 ni.comThe FPGA does not retain the VI when the R Series device is powered off, so you m

Chapter 1 Introduction© National Instruments Corporation 1-7 R Series Intelligent DAQ User ManualNote If you use the R Series device without the FPGA

Chapter 1 IntroductionR Series Intelligent DAQ User Manual 1-8 ni.comCables and AccessoriesNational Instruments offers a variety of products you can u

Chapter 1 Introduction© National Instruments Corporation 1-9 R Series Intelligent DAQ User ManualCustom CablingNI offers a variety of cables for conne

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

Chapter 1 IntroductionR Series Intelligent DAQ User Manual 1-10 ni.com• Pollution Degree 3 means that conductive pollution occurs, or dry, nonconducti

Chapter 1 Introduction© National Instruments Corporation 1-11 R Series Intelligent DAQ User Manual• Measurement Category III is for measurements perfo

© National Instruments Corporation 2-1 R Series Intelligent DAQ User Manual2Hardware Overview of the NI 78xxRThis chapter presents an overview of the

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-2 ni.comFigure 2-2. NI 7830R Block DiagramRTSI/PXI TriggersPXI Loca

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-3 R Series Intelligent DAQ User ManualFigure 2-3. NI 7831R/7833R/784x

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-4 ni.comNI 7831R/7833R OverviewThe NI 7831R/7833R each have eight in

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-5 R Series Intelligent DAQ User ManualInput ModesThe NI 783xR/784xR/78

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-6 ni.comConnecting Analog Input SignalsThe AI signals for the NI 783

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-7 R Series Intelligent DAQ User ManualConnection of AI signals to the

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-8 ni.comTypes of Signal SourcesWhen configuring the input channels a

Important InformationWarrantyThe NI 7811R/7813R/7830R/7831R/7833R/7841R/7842R/7851R/7852R/7853R/7854R is warranted against defects in materials and w

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-9 R Series Intelligent DAQ User ManualFigure 2-5 summarizes the recomm

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-10 ni.comDifferential Connection Considerations (DIFF Input Mode)In

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-11 R Series Intelligent DAQ User ManualDifferential Connections for Gr

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-12 ni.comDifferential Connections for Nonreferenced or Floating Sign

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-13 R Series Intelligent DAQ User Manualline to AIGND, connect it to AI

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-14 ni.comUse DIFF input connections for greater signal integrity for

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-15 R Series Intelligent DAQ User ManualSingle-Ended Connections for Gr

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-16 ni.comCommon-Mode Signal Rejection ConsiderationsFigure 2-6 and F

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-17 R Series Intelligent DAQ User ManualConnecting Analog Output Signal

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-18 ni.comNI 7830R has one RMIO and one RDIO connector for a total of

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

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-19 R Series Intelligent DAQ User Manual Figure 2-11. Example Digital

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-20 ni.comThe SHC68-68-RDIO was designed specifically for R Series de

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-21 R Series Intelligent DAQ User ManualRTSI Trigger BusThe NI 78xxR ca

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-22 ni.comThe PXI local bus right lines on the NI PXI-781xR/783xR are

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-23 R Series Intelligent DAQ User ManualFigure 2-12. PXI Star Trigger

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-24 ni.comFigure 2-13. Switch Location on the NI PCI-781xRSW1, SW2,

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-25 R Series Intelligent DAQ User ManualFigure 2-14. Switch Location o

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-26 ni.comFigure 2-15. Switch Location on the NI PCI-783xRSW1, SW2,

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-27 R Series Intelligent DAQ User ManualFigure 2-16. Switch Location o

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-28 ni.com3. Move SW1 to the ON position, as shown in Figure 2-17b.4.

© National Instruments Corporation v R Series Intelligent DAQ User ManualContentsAbout This ManualConventions ...

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-29 R Series Intelligent DAQ User Manual(NI 784x R/785x R Devices) All

Chapter 2 Hardware Overview of the NI 78xxRR Series Intelligent DAQ User Manual 2-30 ni.com3. Replace the broken fuse while referring to Figure 2-18 f

Chapter 2 Hardware Overview of the NI 78xxR© National Instruments Corporation 2-31 R Series Intelligent DAQ User ManualField Wiring Considerations (NI

© National Instruments Corporation 3-1 R Series Intelligent DAQ User Manual3Calibration (NI 783x R/784x R/785x ROnly)Calibration is the process of det

Chapter 3 Calibration (NI 783xR/784xR/785xR Only)R Series Intelligent DAQ User Manual 3-2 ni.comapplication. Internal calibration minimizes the effect

Chapter 3 Calibration (NI 783xR/784xR/785xR Only)© National Instruments Corporation 3-3 R Series Intelligent DAQ User ManualTo externally calibrate yo

© National Instruments Corporation A-1 R Series Intelligent DAQ User ManualAConnecting I/O SignalsThis appendix describes how to make input and output

Appendix A Connecting I/O SignalsR Series Intelligent DAQ User Manual A-2 ni.comFigure A-1. NI 781xR Connector Pin Assignments and LocationsDGNDDGNDD

Appendix A Connecting I/O Signals© National Instruments Corporation A-3 R Series Intelligent DAQ User ManualFigure A-2. NI 783xR/784xR/785xR Connecto

Appendix A Connecting I/O SignalsR Series Intelligent DAQ User Manual A-4 ni.comTo access the signals on the I/O connectors, you must connect a cable

ContentsR Series Intelligent DAQ User Manual vi ni.comTypes of Signal Sources ...

Appendix A Connecting I/O Signals© National Instruments Corporation A-5 R Series Intelligent DAQ User ManualCaution Connections that exceed any of the

Appendix A Connecting I/O SignalsR Series Intelligent DAQ User Manual A-6 ni.comConnecting to 5B and SSR Analog Signal Conditioning (NI 783x R/784x R/

Appendix A Connecting I/O Signals© National Instruments Corporation A-7 R Series Intelligent DAQ User ManualFigure A-3 shows the connector pinouts whe

Appendix A Connecting I/O SignalsR Series Intelligent DAQ User Manual A-8 ni.comYou can plug each of these 50-pin headers directly into an 8-, 16-, 24

© National Instruments Corporation B-1 R Series Intelligent DAQ User ManualBUsing the SCB-68 Shielded Connector BlockThis appendix describes how to co

© National Instruments Corporation C-1 R Series Intelligent DAQ User ManualCTechnical Support and Professional ServicesVisit the following sections of

Appendix C Technical Support and Professional ServicesR Series Intelligent DAQ User Manual C-2 ni.com• Declaration of Conformity (DoC)—A DoC is our cl

© National Instruments Corporation G-1 R Series Intelligent DAQ User ManualGlossarySymbol Prefix Valueppico10–12nnano10–9µ micro 10–6m milli 10–3k kil

GlossaryR Series Intelligent DAQ User Manual G-2 © National Instruments CorporationSquare root of.+5V +5 VDC source signal.AA Amperes.A/D Analog-to-di

Glossary© National Instruments Corporation G-3 R Series Intelligent DAQ User ManualCCCelsius.CalDAC Calibration DAC.CH Channel—Pin or wire lead to whi

© National Instruments Corporation vii R Series Intelligent DAQ User ManualAbout This ManualThis manual describes the electrical and mechanical aspect

GlossaryR Series Intelligent DAQ User Manual G-4 © National Instruments CorporationDIO Digital input/output.DIO<i> Digital input/output channel

Glossary© National Instruments Corporation G-5 R Series Intelligent DAQ User ManualII/O Input/output—The transfer of data to/from a computer system in

GlossaryR Series Intelligent DAQ User Manual G-6 © National Instruments CorporationNnoise An undesirable electrical signal—Noise comes from external s

Glossary© National Instruments Corporation G-7 R Series Intelligent DAQ User ManualRRAM Random-access memory—The generic term for the read/write memor

GlossaryR Series Intelligent DAQ User Manual G-8 © National Instruments CorporationTTHD Total harmonic distortion—The ratio of the total rms signal du

About This ManualR Series Intelligent DAQ User Manual viii ni.commonospace Text in this font denotes text or characters that you should enter from the

About This Manual© National Instruments Corporation ix R Series Intelligent DAQ User Manualinformation about using the FPGA Module to create VIs that