National Instruments NI 6115/6120 Bedienungsanleitung

DAQNI 6115/6120 User ManualMultifunction I/O Devices forPCI/PXI/CompactPCI Bus ComputersNI 6115/6120 User ManualNovember 2002 EditionPart Number 32281

About This ManualNI 6115/6120 User Manual xii ni.combold Bold text denotes items that you must select or click in the software, such as menu items and

Appendix B Common Questions© National Instruments Corporation B-3 NI 6115/6120 User ManualAnalog Input and OutputWhy is there a minimum sampling rate

Appendix B Common QuestionsNI 6115/6120 User Manual B-4 ni.comI’m using the DACs to generate a waveform, but I discovered with a digital oscilloscope

Appendix B Common Questions© National Instruments Corporation B-5 NI 6115/6120 User ManualTiming and Digital I/OWhat types of triggering can be hardwa

Appendix B Common QuestionsNI 6115/6120 User Manual B-6 ni.comCaution If you enable a PFI line for output, do not connect any external signal source t

© National Instruments Corporation C-1 NI 6115/6120 User ManualCTechnical Support and Professional ServicesVisit the following sections of the NI Web

Appendix C Technical Support and Professional ServicesNI 6115/6120 User Manual C-2 ni.com• Calibration Certificate—If your product supports calibratio

© National Instruments Corporation G-1 NI 6115/6120 User ManualGlossaryPrefix Meaning Valuep- pico- 10–12n- nano- 10–9µ-micro-10–6m- milli- 10–3k- kil

GlossaryNI 6115/6120 User Manual G-2 ni.comAA amperesA/D analog-to-digitalAC alternating currentACH analog input channel signalACH0GND analog input ch

Glossary© National Instruments Corporation G-3 NI 6115/6120 User ManualCCCelsiusCalDAC calibration DAC cm centimeterCMOS complementary metal-oxide sem

GlossaryNI 6115/6120 User Manual G-4 ni.comDAQ-STC data acquisition system timing controller—an application-specific integrated circuit (ASIC) for the

About This Manual© National Instruments Corporation xiii NI 6115/6120 User Manualconfiguration instructions, specification information about the DAQ h

Glossary© National Instruments Corporation G-5 NI 6115/6120 User ManualESD electrostatic dischargeEXTSTROBE* external strobe signalFF farad—a measurem

GlossaryNI 6115/6120 User Manual G-6 ni.comGPCTR1_UP_DOWN general-purpose counter 1 up down signalgrounded signal sourcessignal sources with voltage s

Glossary© National Instruments Corporation G-7 NI 6115/6120 User ManualLLabVIEW Laboratory Virtual Instrument Engineering Workbench—a program developm

GlossaryNI 6115/6120 User Manual G-8 ni.comNNC not connected (signal)NI National InstrumentsNI-DAQ National Instruments driver software for DAQ hardwa

Glossary© National Instruments Corporation G-9 NI 6115/6120 User ManualPFI2/CONVERT* PFI2/convertPFI3/GPCTR1_SOURCE PFI3/general purpose counter 1 sou

GlossaryNI 6115/6120 User Manual G-10 ni.comrise time the difference in time between the 10% and 90% points of the step response of a systemrms root m

Glossary© National Instruments Corporation G-11 NI 6115/6120 User ManualTTC terminal count—the ending value of a countertghgate hold timetgsugate setu

GlossaryNI 6115/6120 User Manual G-12 ni.comVVvoltsVCCcollector common voltage—power supply voltageVcmcommon-mode noise and ground potentialVCXO volta

© National Instruments Corporation I-1 NI 6115/6120 User ManualIndexNumerics+5 V signaldescription (table), 4-3incorrect connections (caution), 4-15se

IndexNI 6115/6120 User Manual I-2 ni.comAOGND signalanalog output signal connections, 4-14description (table), 4-3avoiding false triggering (note), 3-

© National Instruments Corporation 1-1 NI 6115/6120 User Manual1IntroductionThis chapter describes the NI 6115/6120, lists what you need to get starte

Index© National Instruments Corporation I-3 NI 6115/6120 User Manualprofessional services, C-1technical support, C-1DDAC0OUT signalanalog output signa

IndexNI 6115/6120 User Manual I-4 ni.comexternal calibration, 5-2EXTSTROBE* signaldescription (table), 4-3signal summary (table), 4-6timing connection

Index© National Instruments Corporation I-5 NI 6115/6120 User ManualGPCTR1_UP_DOWN signaldigital I/O lines, 3-10general-purpose timing connections, 4-

IndexNI 6115/6120 User Manual I-6 ni.comNNational Instrumentscalibration certificate, C-2customer education, C-1Declaration of Conformity, C-1document

Index© National Instruments Corporation I-7 NI 6115/6120 User ManualPFI9/GPCTR0_GATE signalSee also GPCTR0_GATE signaldescription (table), 4-5signal s

IndexNI 6115/6120 User Manual I-8 ni.comsignal connectionsanalog input connectionscommon-mode signal rejection, 4-12floating signal sources, 4-11groun

Index© National Instruments Corporation I-9 NI 6115/6120 User Manualbus interface, A-17digital I/O, A-15electromagnetic compatibility, A-18environment

IndexNI 6115/6120 User Manual I-10 ni.comTRIG1 signalSee also PFI0/TRIG1 signalinput timing (figure), 4-22output timing (figure), 4-22RTSI bus signal

Chapter 1 IntroductionNI 6115/6120 User Manual 1-2 ni.comyou do not need the RTSI cable for system triggering and timing on the PXI. In addition, a ph

Chapter 1 Introduction© National Instruments Corporation 1-3 NI 6115/6120 User ManualWhat You Need to Get StartedTo set up and use the NI 6115/6120, y

Chapter 1 IntroductionNI 6115/6120 User Manual 1-4 ni.comSoftware Programming ChoicesWhen programming National Instruments DAQ hardware, you can use a

Chapter 1 Introduction© National Instruments Corporation 1-5 NI 6115/6120 User ManualFigure 1-1. The Relationship Among the Programming Environment,

Chapter 1 IntroductionNI 6115/6120 User Manual 1-6 ni.comDAQ hardware. These ActiveX controls provide a high-level programming interface for building

Chapter 1 Introduction© National Instruments Corporation 1-7 NI 6115/6120 User Manual• Route the analog lines separately from the digital lines.• When

Chapter 1 IntroductionNI 6115/6120 User Manual 1-8 ni.comSafety InformationThe following section contains important safety information that you must f

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

Chapter 1 Introduction© National Instruments Corporation 1-9 NI 6115/6120 User ManualOperate the product at or below the installation category1 marked

© National Instruments Corporation 2-1 NI 6115/6120 User Manual2Installing and Configuring the NI 6115/6120This chapter explains how to install and co

Chapter 2 Installing and Configuring the NI 6115/6120NI 6115/6120 User Manual 2-2 ni.comor bus master devices. NI recommends installing the NI PXI-611

Chapter 2 Installing and Configuring the NI 6115/6120© National Instruments Corporation 2-3 NI 6115/6120 User Manual8. Replace the cover.9. Plug in an

© National Instruments Corporation 3-1 NI 6115/6120 User Manual3Hardware OverviewThis chapter presents an overview of the hardware functions on the NI

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-2 ni.comFigure 3-2. NI 6120 Block DiagramAnalog InputThe following sections describe in detail

Chapter 3 Hardware Overview© National Instruments Corporation 3-3 NI 6115/6120 User ManualInput Polarity and Input RangeThe NI 6115/6120 has bipolar i

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-4 ni.comConsiderations for Selecting Input RangesThe range you select depends on the expected ra

Chapter 3 Hardware Overview© National Instruments Corporation 3-5 NI 6115/6120 User ManualAnalog OutputThe NI 6115/6120 supplies two channels of AO vo

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-6 ni.comFigure 3-3. Analog Trigger Block Diagram for the NI 6115/6120In below-low-level analog

Important InformationWarrantyThe NI PCI-6115, NI PXI-6115, NI PCI-6120, and NI PXI-6120 devices are warranted against defects in materials and workma

Chapter 3 Hardware Overview© National Instruments Corporation 3-7 NI 6115/6120 User Manual Figure 3-5. Above-High-Level Analog Triggering ModeIn insi

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-8 ni.comIn low-hysteresis analog triggering mode, the trigger is generated when the signal value

Chapter 3 Hardware Overview© National Instruments Corporation 3-9 NI 6115/6120 User ManualFigure 3-9. Effects of Hardware and Software Filtering on A

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-10 ni.comFigure 3-10. PLL Block DiagramCorrelated Digital I/OThe NI 6115/6120 contains eight li

Chapter 3 Hardware Overview© National Instruments Corporation 3-11 NI 6115/6120 User Manualconfigurable. For example, Figure 3-11 shows the signal rou

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-12 ni.comProgrammable Function InputsThe 10 PFIs are connected to the signal routing multiplexer

Chapter 3 Hardware Overview© National Instruments Corporation 3-13 NI 6115/6120 User ManualIn PCI, you can access all seven RTSI lines (RTSI<0..6&g

Chapter 3 Hardware OverviewNI 6115/6120 User Manual 3-14 ni.comFigure 3-13. PXI RTSI Bus Signal ConnectionsRefer to the Connecting Timing Signals sec

© National Instruments Corporation 4-1 NI 6115/6120 User Manual4Connecting SignalsThis chapter describes how to connect input and output signals to th

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-2 ni.com Figure 4-1. I/O Connector Pin Assignment for the NI 6115/6120686766656463626160595857

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

Chapter 4 Connecting Signals© National Instruments Corporation 4-3 NI 6115/6120 User ManualI/O Connector Signal DescriptionsTable 4-2. Signal Descrip

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-4 ni.comPFI0/TRIG1 DGND Input OutputPFI0/Trigger 1—As an input, this is either a PFI or the sou

Chapter 4 Connecting Signals© National Instruments Corporation 4-5 NI 6115/6120 User ManualPFI8/GPCTR0_SOURCE DGND Input OutputPFI8/Counter 0 Source—A

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-6 ni.comTable 4-4. Analog I/O Summary for the NI 6120Signal NameSignal Type and DirectionImped

Chapter 4 Connecting Signals© National Instruments Corporation 4-7 NI 6115/6120 User ManualTypes of Signal SourcesWhen making signal connections, you

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-8 ni.comsource. You must tie the ground reference of a floating signal to the NI 6115/6120 AI g

Chapter 4 Connecting Signals© National Instruments Corporation 4-9 NI 6115/6120 User ManualConnections for Ground-Referenced Signal SourcesFigures 4-2

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-10 ni.comFigure 4-3. Pseudodifferential Input Connections on the NI 6120 for Ground-Referenced

Chapter 4 Connecting Signals© National Instruments Corporation 4-11 NI 6115/6120 User ManualConnections for Nonreferenced or Floating Signal SourcesFi

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-12 ni.comFigure 4-5. Differential Input Connections on the NI 6120 for Nonreferenced SignalsFi

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

Chapter 4 Connecting Signals© National Instruments Corporation 4-13 NI 6115/6120 User ManualLike any amplifier, the common-mode rejection ratio (CMRR)

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-14 ni.comConnecting Analog Output SignalsThe AO signals are DAC0OUT, DAC1OUT, and AOGND.DAC0OUT

Chapter 4 Connecting Signals© National Instruments Corporation 4-15 NI 6115/6120 User ManualConnecting Digital I/O SignalsThe DIO signals are DIO<0

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-16 ni.comFigure 4-7 shows DIO<0..3> configured for digital input and DIO<4..7> conf

Chapter 4 Connecting Signals© National Instruments Corporation 4-17 NI 6115/6120 User Manual Figure 4-8. Clock Signal Driving DI and DO SignalsFigure

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-18 ni.comFigure 4-10 shows a DIO operation driven by an RTSI clock signal on its falling edge.F

Chapter 4 Connecting Signals© National Instruments Corporation 4-19 NI 6115/6120 User ManualThe DAQ signals are explained in the DAQ Timing Connection

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-20 ni.comProgrammable Function Input ConnectionsYou can externally control 13 internal timing s

Chapter 4 Connecting Signals© National Instruments Corporation 4-21 NI 6115/6120 User Manual Figure 4-12. Typical Posttriggered AcquisitionPretrigger

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-22 ni.comRefer to Chapter 3, Hardware Overview, for more information on analog triggering.As an

© National Instruments Corporation vii NI 6115/6120 User ManualContentsAbout This ManualConventions ...

Chapter 4 Connecting Signals© National Instruments Corporation 4-23 NI 6115/6120 User Manualselection for either rising or falling edge. The selected

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-24 ni.comSTARTSCAN SignalAny PFI pin can receive as an input the STARTSCAN signal, which is ava

Chapter 4 Connecting Signals© National Instruments Corporation 4-25 NI 6115/6120 User Manual Figure 4-19. STARTSCAN Output Signal TimingThe CONVERT*

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-26 ni.comCONVERT* SignalAny PFI pin can receive as an input the CONVERT* signal, which is avail

Chapter 4 Connecting Signals© National Instruments Corporation 4-27 NI 6115/6120 User ManualThe ADC switches to hold mode within 20 ns of the selected

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-28 ni.comEither the 20 MHz or 100 kHz internal timebase generates SISOURCE unless you select so

Chapter 4 Connecting Signals© National Instruments Corporation 4-29 NI 6115/6120 User ManualEXTSTROBE* SignalEXTSTROBE* is an output-only signal that

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-30 ni.comFigures 4-25 and 4-26 show the timing requirements for WFTRIG. Figure 4-25. WFTRIG In

Chapter 4 Connecting Signals© National Instruments Corporation 4-31 NI 6115/6120 User ManualFigures 4-27 and 4-28 show the timing requirements for UPD

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-32 ni.com Figure 4-29. UISOURCE Signal TimingThe maximum allowed frequency is 20 MHz, with a m

ContentsNI 6115/6120 User Manual viii ni.comProgrammable Function Inputs... 3-12De

Chapter 4 Connecting Signals© National Instruments Corporation 4-33 NI 6115/6120 User ManualFigure 4-30 shows the timing requirements for GPCTR0_SOURC

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-34 ni.comFigure 4-31 shows the timing requirements for GPCTR0_GATE. Figure 4-31. GPCTR0_GATE S

Chapter 4 Connecting Signals© National Instruments Corporation 4-35 NI 6115/6120 User ManualGPCTR0_UP_DOWN SignalThis signal can be received as an inp

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-36 ni.comGPCTR1_GATE SignalAny PFI pin can receive as an input the GPCTR1_GATE signal, which is

Chapter 4 Connecting Signals© National Instruments Corporation 4-37 NI 6115/6120 User ManualFigure 4-35 shows the timing requirements for GPCTR1_OUT.

Chapter 4 Connecting SignalsNI 6115/6120 User Manual 4-38 ni.comThe GATE and OUT signal transitions shown in Figure 4-36 are referenced to the rising

Chapter 4 Connecting Signals© National Instruments Corporation 4-39 NI 6115/6120 User ManualField Wiring ConsiderationsEnvironmental noise can serious

© National Instruments Corporation 5-1 NI 6115/6120 User Manual5CalibrationThis chapter discusses the calibration procedures for the NI 6115/6120. NI-

Chapter 5 CalibrationNI 6115/6120 User Manual 5-2 ni.comThis method of calibration is not very accurate because it does not take into account the fact

Chapter 5 Calibration© National Instruments Corporation 5-3 NI 6115/6120 User ManualTo externally calibrate your device, be sure to use a very accurat

Contents© National Instruments Corporation ix NI 6115/6120 User ManualGPCTR1_UP_DOWN Signal ...

© National Instruments Corporation A-1 NI 6115/6120 User ManualASpecificationsThis appendix lists the specifications of the NI 6115/6120. These specif

Appendix A SpecificationsNI 6115/6120 User Manual A-2 ni.comACH+ to ACHGNDNI 6115...100 GΩNI 6120...

Appendix A Specifications© National Instruments Corporation A-3 NI 6115/6120 User ManualTable A-1. NI 6115 Analog Input DC Accuracy InformationNomina

Appendix A SpecificationsNI 6115/6120 User Manual A-4 ni.comDynamic CharacteristicsInterchannel skew ...1 ns typAnalog

Appendix A Specifications© National Instruments Corporation A-5 NI 6115/6120 User ManualTable A-3. NI 6115 Analog Input Dynamic CharacteristicsInput

Appendix A SpecificationsNI 6115/6120 User Manual A-6 ni.comFigure A-1. NI 6115 Total Harmonic Distortion Plus Noise (THD + N)0.1384450566268741.0 10

Appendix A Specifications© National Instruments Corporation A-7 NI 6115/6120 User Manual Figure A-2. NI 6120 Total Harmonic Distortion Plus Noise (TH

Appendix A SpecificationsNI 6115/6120 User Manual A-8 ni.com Figure A-3. NI 6115 High-Voltage THD + N0.1384450566268741.0 10.0THD+N (–dBc)Frequency (

Appendix A Specifications© National Instruments Corporation A-9 NI 6115/6120 User ManualFigure A-4. NI 6120 High-Voltage THD + NHigh-Voltage Ranges,

Appendix A SpecificationsNI 6115/6120 User Manual A-10 ni.com Figure A-5. NI 6115 THD + N with Filters106263.265.666.86870.471.6100 1000THD+N (–dBc)F

© National Instruments Corporation xi NI 6115/6120 User ManualAbout This ManualThis manual describes the electrical and mechanical aspects of the NI 6

Appendix A Specifications© National Instruments Corporation A-11 NI 6115/6120 User ManualFigure A-6. NI 6120 THD + N with FiltersStabilityRecommended

Appendix A SpecificationsNI 6115/6120 User Manual A-12 ni.comOnboard calibration referenceLevel...5.000 V

Appendix A Specifications© National Instruments Corporation A-13 NI 6115/6120 User ManualVoltage OutputRanges...

Appendix A SpecificationsNI 6115/6120 User Manual A-14 ni.comDynamic CharacteristicsSlew rateNI 6115...300 V/

Appendix A Specifications© National Instruments Corporation A-15 NI 6115/6120 User ManualDigital I/ONumber of channels ...

Appendix A SpecificationsNI 6115/6120 User Manual A-16 ni.comBase clock accuracy...±0.01%Max source frequency...

Appendix A Specifications© National Instruments Corporation A-17 NI 6115/6120 User ManualDigital TriggerCompatibility ...

Appendix A SpecificationsNI 6115/6120 User Manual A-18 ni.comRelative humidity ...10 to 90% noncondensingPollution Deg

© National Instruments Corporation B-1 NI 6115/6120 User ManualBCommon QuestionsThis appendix contains a list of commonly asked questions and their an

Appendix B Common QuestionsNI 6115/6120 User Manual B-2 ni.comWhat type of 5 V protection does the NI 6115/6120 have?The NI 6115/6120 has 5 V lines eq