Universal CLP-100NI-NPRT Manual do Utilizador

Computer-BasedInstrumentsNI 5102 User ManualHigh-Speed DigitizerNI 5102 User ManualJune 2001 EditionPart Number 321390D-01

© National Instruments Corporation 1-1 NI 5102 User Manual1IntroductionThis chapter describes the National Instruments (NI) 5102 and listsadditional e

Chapter 1 IntroductionNI 5102 User Manual 1-2 ni.comTo improve timing resolution for repetitive signals, you can use randominterleaved sampling (RIS)

Chapter 1 Introduction© National Instruments Corporation 1-3 NI 5102 User ManualFigure 1-1. The Relationship Between the Programming Environment,NI-DA

Chapter 1 IntroductionNI 5102 User Manual 1-4 ni.comNI-SCOPE DriverThe NI-SCOPE driver is the preferred choice to program your NI 5102.It provides fle

Chapter 1 Introduction© National Instruments Corporation 1-5 NI 5102 User ManualNoteNI 5102 digitizers use only the easy I/O interface under data acqu

Chapter 1 IntroductionNI 5102 User Manual 1-6 ni.comPXI-specific features, RTSI bus trigger, RTSI Clock, and SerialCommunication are implemented on th

© National Instruments Corporation 2-1 NI 5102 User Manual2Installation and ConfigurationThis chapter describes how to unpack, install, and configure

Chapter 2 Installation and ConfigurationNI 5102 User Manual 2-2 ni.com– NI 5102 (USB)NI 5102 (USB) power supply❑Vinyl pouch for storing cables and acc

Chapter 2 Installation and Configuration© National Instruments Corporation 2-3 NI 5102 User ManualInstalling the NI 5102There are two main steps invol

Chapter 2 Installation and ConfigurationNI 5102 User Manual 2-4 ni.comHardware ConfigurationThe NI 5102 is a fully software-configurable, Plug and Pla

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

© National Instruments Corporation 3-1 NI 5102 User Manual3Digitizer BasicsThis chapter explains basic information about using digitizers, includingim

Chapter 3 Digitizer BasicsNI 5102 User Manual 3-2 ni.comAnalog BandwidthAnalog bandwidth describes the frequency range (in hertz) in which asignal can

Chapter 3 Digitizer Basics© National Instruments Corporation 3-3 NI 5102 User ManualSample RateSample rate is the rate at which a signal is sampled an

Chapter 3 Digitizer BasicsNI 5102 User Manual 3-4 ni.comVertical SensitivityVertical sensitivity describes the smallest input voltage change the digit

Chapter 3 Digitizer Basics© National Instruments Corporation 3-5 NI 5102 User Manualrate of 20 MHz, the duration of acquisition is 5 ms (100,000 × 50

Chapter 3 Digitizer BasicsNI 5102 User Manual 3-6 ni.comFigure 3-5. Dynamic Range of an 8-Bit ADC with Three Different Gain Settings• Source impedance

Chapter 3 Digitizer Basics© National Instruments Corporation 3-7 NI 5102 User Manualbuffering. See the Understanding the Probe and Its Effectson Your

Chapter 3 Digitizer BasicsNI 5102 User Manual 3-8 ni.comUnderstanding the Probe and Its Effectson Your WaveformSignals travel from the tip of the prob

Chapter 3 Digitizer Basics© National Instruments Corporation 3-9 NI 5102 User ManualAnalytically, obtaining a flat frequency response means:Rin/(Rin+R

Chapter 3 Digitizer BasicsNI 5102 User Manual 3-10 ni.comFigure 3-7. Connecting the Probe Compensation CablingAs shown in Figure 3-8, an undercompensa

Important InformationWarrantyThe NI 5102 is warranted against defects in materials and workmanship for a period of one year from the date of shipment,

Chapter 3 Digitizer Basics© National Instruments Corporation 3-11 NI 5102 User ManualFigure 3-8. Probe Compensation ComparisonActive and Current Probe

© National Instruments Corporation 4-1 NI 5102 User Manual4Hardware OverviewThis chapter includes an overview of the NI 5102, explains the operation o

Chapter 4 Hardware OverviewNI 5102 User Manual 4-2 ni.comFigure 4-2 shows a block diagram of the NI 5102 (PCMCIA, USB).Figure 4-2. NI 5102 (PCMCIA, US

Chapter 4 Hardware Overview© National Instruments Corporation 4-3 NI 5102 User ManualThe NI 5102 (PCI, ISA) gives you direct BNC connectivity on the b

Chapter 4 Hardware OverviewNI 5102 User Manual 4-4 ni.comThe NI 5102 (USB) gives you direct BNC connectivity, as shown inFigure 4-5.Figure 4-5. NI 510

Chapter 4 Hardware Overview© National Instruments Corporation 4-5 NI 5102 User ManualFigure 4-6.NI 5102 (PXI) I/O ConnectorsSignal ConnectionsYou can

Chapter 4 Hardware OverviewNI 5102 User Manual 4-6 ni.comSerial Communications Port (AUX)♦ NI 5102 (PXI)The serial communication port, AUX, provides +

Chapter 4 Hardware Overview© National Instruments Corporation 4-7 NI 5102 User ManualThe CH0, CH1, and TRIG channels have a software-programmablecoupl

Chapter 4 Hardware OverviewNI 5102 User Manual 4-8 ni.comADC Pipeline DelayThe ADC on the NI 5102 is a pipelined flash converter with a maximumconvers

Chapter 4 Hardware Overview© National Instruments Corporation 4-9 NI 5102 User ManualNoteIf Scan Clock is externally supplied, you must supply a free-

ComplianceFCC/Canada Radio Frequency Interference Compliance*Determining FCC ClassThe Federal Communications Commission (FCC) has rules to protect wir

Chapter 4 Hardware OverviewNI 5102 User Manual 4-10 ni.comTable 4-5 describes the posttrigger acquisition signals.Table 4-5. Posttrigger Acquisition S

Chapter 4 Hardware Overview© National Instruments Corporation 4-11 NI 5102 User ManualPretrigger AcquisitionIn pretrigger acquisition mode, the device

Chapter 4 Hardware OverviewNI 5102 User Manual 4-12 ni.comFigure 4-9 shows the relevant timing signals for a typical pretriggeredacquisition. The illu

Chapter 4 Hardware Overview© National Instruments Corporation 4-13 NI 5102 User ManualTable 4-7 describes the pretrigger acquisition signals.Table 4-7

Chapter 4 Hardware OverviewNI 5102 User Manual 4-14 ni.comTrigger SourcesThe Scan Clock, Start Trigger, and Stop Trigger signals can be generatedthrou

Chapter 4 Hardware Overview© National Instruments Corporation 4-15 NI 5102 User ManualAnalog Trigger CircuitThe NI 5102 contains a sophisticated analo

Chapter 4 Hardware OverviewNI 5102 User Manual 4-16 ni.comFigure 4-11. Pretrigger and Posttrigger Acquisitions with Hold-offNoteWhen you use trigger h

Chapter 4 Hardware Overview© National Instruments Corporation 4-17 NI 5102 User ManualRandom Interleaved SamplingThe NI 5102 supports Random Interleav

Chapter 4 Hardware OverviewNI 5102 User Manual 4-18 ni.comyour NI 5102 and afterwards whenever operating environment conditionschange.Externally recal

Chapter 4 Hardware Overview© National Instruments Corporation 4-19 NI 5102 User ManualFigure 4-12.RTSI Bus Trigger LinesThe RTSI bus clock line is a s

Canadian Department of CommunicationsThis Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Chapter 4 Hardware OverviewNI 5102 User Manual 4-20 ni.comPFI LinesAll NI 5102 digitizers have two multipurpose programmable functiondigital input/out

Chapter 4 Hardware Overview© National Instruments Corporation 4-21 NI 5102 User Manual• Analog Trigger Circuit Output—This signal is the digital outpu

Chapter 4 Hardware OverviewNI 5102 User Manual 4-22 ni.comMaster/Slave OperationYou can use two or more NI 5102 digitizers in one system to increase t

Chapter 4 Hardware Overview© National Instruments Corporation 4-23 NI 5102 User Manual3. Program the master device to output its internal timebase on

© National Instruments Corporation A-1 NI 5102 User ManualASpecificationsThis appendix lists the specifications of the NI 5102. These specificationsar

Appendix A SpecificationsNI 5102 User Manual A-2 ni.comInput signal ranges (CH0, CH1)(without probe attenuation) ...±5 V at gain of 1

Appendix A Specifications© National Instruments Corporation A-3 NI 5102 User ManualTransfer CharacteristicsRelative accuracy ...

Appendix A SpecificationsNI 5102 User Manual A-4 ni.comTriggersAnalogSource ...CH0, CH1, TRIGLevel .

Appendix A Specifications© National Instruments Corporation A-5 NI 5102 User ManualRTSI (NI 5102 for PCI, PXI, ISA Only)Trigger lines ...

Appendix A SpecificationsNI 5102 User Manual A-6 ni.comMaximum Working Voltage(Signal voltage plus common-mode voltage)Channel to earth...

© National Instruments Corporation vii NI 5102 User ManualContentsAbout This ManualConventions Used in This Manual...

Appendix A Specifications© National Instruments Corporation A-7 NI 5102 User Manualby your product, and a link to the DoC (in Adobe Acrobat format) ap

© National Instruments Corporation B-1 NI 5102 User ManualBTechnical Support ResourcesWeb SupportNI Web support is your first stop for help in solving

Appendix B Technical Support ResourcesNI 5102 User Manual B-2 ni.comWorldwide SupportNI has offices located around the world to help address your supp

© National Instruments Corporation G-1 NI 5102 User ManualGlossaryPrefix Meaning Valuep- pico- 10–12n- nano- 10–9µ- micro- 10–6m- milli- 10–3k- kilo-

GlossaryNI 5102 User Manual G-2 ni.comAC coupled allowing the transmission of AC signals while blocking DC signalsADC analog-to-digital converter—an e

Glossary© National Instruments Corporation G-3 NI 5102 User Manualbandwidth the range of frequencies present in a signal, or the range of frequencies

GlossaryNI 5102 User Manual G-4 ni.comchannel pin or wire lead to which you apply or from which you read the analog ordigital signal. Analog signals c

Glossary© National Instruments Corporation G-5 NI 5102 User Manualcounter/timer a circuit that counts external pulses or clock pulses (timing)coupling

GlossaryNI 5102 User Manual G-6 ni.comDC coupled allowing the transmission of both AC and DC signalsdefault setting a default parameter value recorded

Glossary© National Instruments Corporation G-7 NI 5102 User ManualDOS disk operating systemdown counter performing frequency division on an internal s

ContentsNI 5102 User Manual viii ni.comChapter 4Hardware OverviewI/O Connector ...

GlossaryNI 5102 User Manual G-8 ni.comexpansion ROM an onboard EEPROM that may contain device-specific initialization andsystem boot functionalityexte

Glossary© National Instruments Corporation G-9 NI 5102 User ManualGgain the factor by which a signal is amplified, sometimes expressed in decibelsgain

GlossaryNI 5102 User Manual G-10 ni.cominput bias current the current that flows into the inputs of a circuitinput impedance the measured resistance a

Glossary© National Instruments Corporation G-11 NI 5102 User ManualKkkilo—the standard metric prefix for 1,000, or 103, used with units ofmeasure such

GlossaryNI 5102 User Manual G-12 ni.comMFLOPS million floating-point operations per second—the unit for expressing thecomputational power of a process

Glossary© National Instruments Corporation G-13 NI 5102 User ManualNRSE nonreferenced single-ended mode—all measurements are made withrespect to a com

GlossaryNI 5102 User Manual G-14 ni.comPGIA programmable gain instrumentation amplifierpipeline a high-performance processor structure in which the co

Glossary© National Instruments Corporation G-15 NI 5102 User ManualRRAM random-access memoryreal time a property of an event or system in which data i

GlossaryNI 5102 User Manual G-16 ni.comRpprobe resistanceRSE referenced single-ended mode—all measurements are made with respectto a common reference

Glossary© National Instruments Corporation G-17 NI 5102 User ManualSC_TC scan counter terminal count signalSCXI Signal Conditioning eXtensions for Ins

© National Instruments Corporation ix NI 5102 User ManualAbout This ManualTheNI5102isananaloginputdeviceavailableinPCI,PXI,ISA,PCMCIA, and USB form fa

GlossaryNI 5102 User Manual G-18 ni.comswitchless device devices that do not require dip switches or jumpers to configure resourceson the devices—also

Glossary© National Instruments Corporation G-19 NI 5102 User ManualUunipolar a signal range that is always positive (for example, 0 to +10 V)update th

GlossaryNI 5102 User Manual G-20 ni.comWWwattswaveform multiple voltage readings taken at a specific sampling rateword the standard number of bits tha

© National Instruments Corporation I-1 NI 5102 User ManualIndexAAC/DC coupling change settling rates(table), 4-7acquiring data, 1-2 to 1-5interactive

IndexNI 5102 User Manual I-2 ni.comDdata acquisition. See acquiring data.digital trigger specifications, A-4 to A-5digitizersADC resolution, 3-4analog

Index© National Instruments Corporation I-3 NI 5102 User ManualPFIlines,4-20to4-21input lines, 4-20output lines, 4-20 to 4-21random interleaved sampli

IndexNI 5102 User Manual I-4 ni.comNI-DAQ driver softwareoverview of NI-DAQ API, 1-4relationship with programmingenvironment and hardware (figure), 1-

Index© National Instruments Corporation I-5 NI 5102 User ManualScope Soft Front Panel, 1-3serial communications port (AUX), 4-6signal connections, 4-5

About This ManualNI 5102 User Manual x ni.comNI 5102 NI 5102 is a generic term that denotes one or more of the NI 5102 (PCI),NI 5102 (PXI), NI 5102 (I