DAQ BNC-2090 Bedienungsanleitung

DAQBNC-2090A User ManualRack-Mount Connector Accessory for E/M Series DAQ DevicesBNC-2090A User ManualJanuary 2007372101A-01

Chapter 1 BNC-2090A Overview© National Instruments Corporation 1-3 BNC-2090A User Manual❑ Small flathead screwdriver❑ Four adhesive rubber feet (suppl

Chapter 1 BNC-2090A OverviewBNC-2090A User Manual 1-4 ni.com2. (Optional) If you need to connect the BNC-2090A shield directly to digital ground (D GN

Chapter 1 BNC-2090A Overview© National Instruments Corporation 1-5 BNC-2090A User ManualFigure 1-3 shows the BNC-2090A connected directly to different

Chapter 1 BNC-2090A OverviewBNC-2090A User Manual 1-6 ni.comFigure 1-4 shows the BNC-2090A connected directly to different E Series DAQ systems.Figure

Chapter 1 BNC-2090A Overview© National Instruments Corporation 1-7 BNC-2090A User Manualall devices connected to it, and the host computer. Overvoltag

Chapter 1 BNC-2090A OverviewBNC-2090A User Manual 1-8 ni.comFigure 1-5. Accessing the Shield Ground Jumper1. Remove the two rear panel screws and one

© National Instruments Corporation 2-1 BNC-2090A User Manual2Connecting SignalsThe BNC-2090A features 22 BNC connectors and a spring terminal block fo

Chapter 2 Connecting SignalsBNC-2090A User Manual 2-2 ni.comConnecting Differential Analog Input SignalsComplete the following steps to measure a diff

Chapter 2 Connecting Signals© National Instruments Corporation 2-3 BNC-2090A User Manualoptical isolators, and isolation amplifiers. The ground refere

Chapter 2 Connecting SignalsBNC-2090A User Manual 2-4 ni.comreferenced single-ended (RSE) modes, refer to the E Series User Manual or the M Series Use

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

Chapter 2 Connecting Signals© National Instruments Corporation 2-5 BNC-2090A User ManualRefer to Chapter 3, Signal Conditioning, for information about

Chapter 2 Connecting SignalsBNC-2090A User Manual 2-6 ni.comFigure 2-4 shows how AO 0, AO 1, APFI 0, and PFI 0 signals are routed to the DAQ device.Fi

Chapter 2 Connecting Signals© National Instruments Corporation 2-7 BNC-2090A User ManualUsing the USER 1 and USER 2 BNC ConnectorsThe USER 1 and USER

© National Instruments Corporation 3-1 BNC-2090A User Manual3Signal ConditioningThis chapter contains information about adding signal conditioning com

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-2 ni.comFigure 3-1 shows the onboard components for differential mode. Figure 3-1. Channel 0 Dif

Chapter 3 Signal Conditioning© National Instruments Corporation 3-3 BNC-2090A User ManualFigure 3-2 shows the onboard components for single-ended mode

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-4 ni.comTable 3-1 lists the different component positions for each channel.Table 3-1. Channel Co

Chapter 3 Signal Conditioning© National Instruments Corporation 3-5 BNC-2090A User ManualTable 3-2 lists population options for passive signal conditi

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-6 ni.comFigure 3-3. Normalized Frequency Response of Lowpass FilterExampleWhen measuring low-fre

Chapter 3 Signal Conditioning© National Instruments Corporation 3-7 BNC-2090A User ManualFigure 3-4. Lowpass Filter on Differential Channel 1Figure 3

Important InformationWarrantyThe BNC-2090A is warranted against defects in materials and workmanship for a period of one year from the date of shipme

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-8 ni.comFigure 3-6. Normalized Frequency Response of Highpass FilterExampleWhen measuring high-f

Chapter 3 Signal Conditioning© National Instruments Corporation 3-9 BNC-2090A User ManualNote Highpass filters generally exhibit poorer common-mode re

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-10 ni.comBuilding Attenuators (Voltage Dividers)Attenuators or voltage dividers allow voltage mea

Chapter 3 Signal Conditioning© National Instruments Corporation 3-11 BNC-2090A User ManualFigure 3-9. Attenuator for Use with Differential InputsFigu

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-12 ni.comNotice that the input impedance for the channels employing voltage dividers circuit is r

Chapter 3 Signal Conditioning© National Instruments Corporation 3-13 BNC-2090A User ManualNote Channels that use these filters have greater output imp

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-14 ni.comAdding Signal Conditioning ComponentsThe BNC-2090A has open-component positions in the i

Chapter 3 Signal Conditioning© National Instruments Corporation 3-15 BNC-2090A User Manual2. Remove the two front panel screws.3. Hold the front panel

Chapter 3 Signal ConditioningBNC-2090A User Manual 3-16 ni.comFigure 3-15. Bias Return Resistor for DC-Coupled Floating Source on Channel 1 in DIFF M

© National Instruments Corporation A-1 BNC-2090A User ManualASpecificationsThis appendix lists the specifications of the BNC-2090A. These specificatio

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

Appendix A SpecificationsBNC-2090A User Manual A-2 ni.comPower Requirement+5 VDC (±5%) provided by DAQ deviceTypical power consumed by BNC-2090A...

Appendix A Specifications© National Instruments Corporation A-3 BNC-2090A User ManualNote For UL and other safety certifications, refer to the product

© National Instruments Corporation B-1 BNC-2090A User ManualBFrequently Asked QuestionsHow does the BNC-2090A differ from the BNC-2090?The BNC-2090A i

Appendix B Frequently Asked QuestionsBNC-2090A User Manual B-2 ni.comCan I use the SCXI resistor kit to build attenuators for my BNC-2090A?Yes. You ca

© National Instruments Corporation C-1 BNC-2090A User ManualCTechnical Support and Professional ServicesVisit the following sections of the National I

Appendix C Technical Support and Professional ServicesBNC-2090A User Manual C-2 ni.com• Calibration Certificate—If your product supports calibration,

© National Instruments Corporation I-1 BNC-2090A User ManualIndexSymbols+5V LED, 1-6Numerics100 Ω to digital ground jumper setting, 1-7Aaccessingdigit

IndexBNC-2090A User Manual I-2 ni.comattenuators, 3-10with SCXI resistor kit, B-2highpass filters, 3-7lowpass filters, 3-5voltage dividers, 3-10Ccabli

Index© National Instruments Corporation I-3 BNC-2090A User Manualfront paneland enclosure back, 1-2highpass filter on differential channel 1, 3-9highp

IndexBNC-2090A User Manual I-4 ni.comIinstallation, 1-3getting started, 1-2supplies, 1-2installingbias resistors, 3-15signal conditioning components,

ConventionsThe following conventions are used in this manual:<> Angle brackets that contain numbers separated by an ellipsis represent a range o

Index© National Instruments Corporation I-5 BNC-2090A User Manualsignal conditioning, 3-1adding components, 3-14analog input, 3-1highpass filters, 3-7

© National Instruments Corporation vii BNC-2090A User ManualContentsChapter 1BNC-2090A OverviewWhat You Need to Get Started ...

ContentsBNC-2090A User Manual viii ni.comAppendix ASpecificationsAppendix BFrequently Asked QuestionsAppendix CTechnical Support and Professional Serv

© National Instruments Corporation 1-1 BNC-2090A User Manual1BNC-2090A OverviewThis user manual contains in-depth information about using the National

Chapter 1 BNC-2090A OverviewBNC-2090A User Manual 1-2 ni.comFigure 1-1. BNC-2090A Front Panel and Back of EnclosureWhat You Need to Get StartedTo set