National-instruments SCXI-1127 User Manual

SCXI™SCXI-1127/1128 User ManualSCXI-1127/1128 User ManualDecember 2000 EditionPart Number 322149B-01

ContentsSCXI-1127/1128 User Manual x ni.comFigure 2-24. 8 × 16 Matrix Parts Locator Diagram ... 2-27Fi

© National Instruments Corporation 1-1 SCXI-1127/1128 User Manual1Installing and Configuring the SCXI-1127/1128The SCXI-1127 and SCXI-1228 modules are

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-2 ni.comIn a matrix configuration, you can expand the columns of t

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-3 SCXI-1127/1128 User ManualThe NI-SWITCH and NI-DMM versi

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-4 ni.comInstalling the SCXI-1127/1128 Module into the SCXI Chassis

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-5 SCXI-1127/1128 User ManualNoteWhen installing the SCXI-1

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-6 ni.comSingle 4-Slot Chassis ConfigurationRefer to Figures 1-2 an

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-7 SCXI-1127/1128 User ManualFigure 1-3. 4-Slot Configurat

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-8 ni.comSingle 12-Slot Chassis ConfigurationRefer to Figures 1-4 a

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-9 SCXI-1127/1128 User ManualFigure 1-5. 12-Slot Configura

Worldwide Technical Support and Product Informationni.comNational Instruments Corporate Headquarters11500 North Mopac Expressway Austin, Texas 78759-3

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-10 ni.comConnecting the SCXI-1127/1128 to the DMM in a Multichassi

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-11 SCXI-1127/1128 User ManualRefer to Figure 1-6 to set up

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-12 ni.com2. Connect the HV8-HV8 cable from the first chassis, norm

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-13 SCXI-1127/1128 User ManualRefer to Figure 1-7 to set up

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-14 ni.com1. Install the HVAB-backplane adapters and jumper blocks

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-15 SCXI-1127/1128 User ManualRefer to Figure 1-8 to set up

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-16 ni.comNotesDo not connect the SH9MD-9MD cable to the 2-slot HVA

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-17 SCXI-1127/1128 User Manual5. Connect the HV8-BAN4 cable

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-18 ni.comDMM in PXI Slots 1 through 3 ConfigurationTo install your

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-19 SCXI-1127/1128 User Manual• At least one other SCXI mod

Important InformationWarrantyThe SCXI-1127 and SCXI-1128 are warranted against defects in materials and workmanship for a period of one year from the

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-20 ni.com3. Attach the other end of the DAQ cable to the National

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-21 SCXI-1127/1128 User Manual– SH9MD-9MD cable– 8-position

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-22 ni.comNoteFor the system to function properly, it must be contr

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-23 SCXI-1127/1128 User Manual2. You will see the chassis s

Chapter 1 Installing and Configuring the SCXI-1127/1128SCXI-1127/1128 User Manual 1-24 ni.comTo remove a module or chassis, right-click the chassis or

Chapter 1 Installing and Configuring the SCXI-1127/1128© National Instruments Corporation 1-25 SCXI-1127/1128 User ManualNational Instruments for serv

© National Instruments Corporation 2-1 SCXI-1127/1128 User Manual2Using the SCXI-1127/1128This chapter discusses in detail the operation of the SCXI-1

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-2 ni.comThe SCXI-1331 terminal block consists of a shielded board with 84 screw termina

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-3 SCXI-1127/1128 User ManualThe SCXI-1127/1128 contains a safety interlocking m

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-4 ni.comFigure 2-3 shows an example of a 2-wire configuration using the SCXI-1331 termi

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

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-5 SCXI-1127/1128 User Manual1-Wire Channel Scanning ConfigurationThe SCXI-1127/

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-6 ni.comFigure 2-5. 1-Wire Wiring DiagramBoth channel 24 (V1) and 59 (V2) are measurin

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-7 SCXI-1127/1128 User ManualFigure 2-6. 4-Wire Block DiagramWhen used with a D

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-8 ni.comFigure 2-7. 4-Wire Wiring DiagramOn power up, the AB0 and AB2 switches are ope

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-9 SCXI-1127/1128 User Manualnegative screw terminals and sensed via 1B positive

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-10 ni.comcurrent and the other for sensing the voltage developed across the resistor, a

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-11 SCXI-1127/1128 User ManualFigure 2-10. Mixed Mode Scanning with an SCXI-133

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-12 ni.comSCXI-1127/1128. In its simplest form, hardware-timed scanning uses one trigger

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-13 SCXI-1127/1128 User ManualFigure 2-11. Hardware Scanning FlowchartThe chann

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-14 ni.comHardware-Timed Scanning Using a DMMWhen using a DMM with the SCXI-1127/1128, s

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the dealer or an experienced radi

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-15 SCXI-1127/1128 User ManualThe module to which you connected your external DM

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-16 ni.commodule. You can bus the VMC onto the SCXI backplane (Trig 0), allowing other m

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-17 SCXI-1127/1128 User ManualSoftware ScanningUnlike hardware scanning, softwar

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-18 ni.comFigure 2-16. Temperature Measurement Wiring DiagramThe SCXI-1331 contains a c

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-19 SCXI-1127/1128 User ManualNI-DAQ, use the Thermistor_Convert function. The V

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-20 ni.comthe best accuracy, while 1-wire provides the maximum channel count. Use the 4-

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-21 SCXI-1127/1128 User ManualFigure 2-18 shows an example of the SCXI-1331 and

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-22 ni.comFigure 2-19. SCXI-1332 Terminal BlockThe SCXI-1127/1128 installed with the SC

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-23 SCXI-1127/1128 User Manualsupply output voltage and to measure the load resi

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-24 ni.comFigure 2-21. SCXI-1332 Connected to an SCXI-1127/1128 SchematicMatrix Expansi

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

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-25 SCXI-1127/1128 User ManualFigure 2-22. 8 × 8 Matrix Parts Locator Diagram1

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-26 ni.comFigure 2-23. 8 × 8 Matrix SchematicTo make a larger matrix, such as a 8 × 16

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-27 SCXI-1127/1128 User Manual2. Expand the rows to the target number, 8 in this

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-28 ni.comFigure 2-25 shows the schematic of the 8 × 16 matrix shown in Figure 2-24.Figu

Chapter 2 Using the SCXI-1127/1128© National Instruments Corporation 2-29 SCXI-1127/1128 User ManualIndependent ModeThe SCXI-1127/1128 powers up in in

Chapter 2 Using the SCXI-1127/1128SCXI-1127/1128 User Manual 2-30 ni.comFigure 2-26. SCXI-1127/1128 Relay ConfigurationCJSRelayRelayChannelBank 1Rela

© National Instruments Corporation A-1 SCXI-1127/1128 User ManualASpecificationsThis appendix lists the specifications for the SCXI-1127/1128 modules.

Appendix A Specifications for SCXI-1127SCXI-1127/1128 User Manual A-2 ni.comChannel to channel crosstalk ...50 Ω termination10 kHz ...

Appendix A Specifications for SCXI-1127© National Instruments Corporation A-3 SCXI-1127/1128 User ManualPhysicalDimensions...

Appendix A Specifications for SCXI-1128SCXI-1127/1128 User Manual A-4 ni.comSCXI-1128Input CharacteristicsNumber of relays availableas channels...

© National Instruments Corporation vii SCXI-1127/1128 User ManualContentsChapter 1Installing and Configuring the SCXI-1127/1128Installing the Software

Appendix A Specifications for SCXI-1128© National Instruments Corporation A-5 SCXI-1127/1128 User ManualDynamic CharacteristicsMaximum operating speed

Appendix A Specifications for SCXI-1128SCXI-1127/1128 User Manual A-6 ni.comPollution Degree 2Indoor use only

© National Instruments Corporation B-1 SCXI-1127/1128 User ManualBAccessoriesThis appendix lists various National Instruments products you can use wit

Appendix B AccessoriesSCXI-1127/1128 User Manual B-2 ni.comContact National Instruments for more specific information about these products.

© National Instruments Corporation C-1 SCXI-1127/1128 User ManualCCustomizing Your ModuleThis appendix describes how to customize your SCXI-1127/1128

Appendix C Customizing Your ModuleSCXI-1127/1128 User Manual C-2 ni.com1. Ground yourself via a grounding strap or a ground connected to your SCXI cha

© National Instruments Corporation D-1 SCXI-1127/1128 User ManualDSCXI-1127/1128 Front ConnectorThis appendix contains connector diagrams for the SCXI

Appendix D SCXI-1127/1128 Front ConnectorSCXI-1127/1128 User Manual D-2 ni.comFigure D-1. SCXI-1127/1128 Front Connector Pin Assignments for 2-Wire M

Appendix D SCXI-1127/1128 Front Connector© National Instruments Corporation D-3 SCXI-1127/1128 User ManualFigure D-2. SCXI-1127/1128 Front Connector

Appendix D SCXI-1127/1128 Front ConnectorSCXI-1127/1128 User Manual D-4 ni.comFigure D-3. SCXI-1127/1128 Front Connector Pin Assignments for 4-Wire M

ContentsSCXI-1127/1128 User Manual viii ni.comHardware-Timed Scanning Using a DMM ... 2-14Hardware-Timed Scanning Using External

Appendix D SCXI-1127/1128 Front Connector© National Instruments Corporation D-5 SCXI-1127/1128 User ManualFigure D-4. SCXI-1127/1128 Front Connector

Appendix D SCXI-1127/1128 Front ConnectorSCXI-1127/1128 User Manual D-6 ni.comTable D-1. Front Connector Signal DescriptionSignal Name Type Descripti

© National Instruments Corporation E-1 SCXI-1127/1128 User ManualECommon QuestionsThis appendix addresses common questions you may have while using yo

Appendix E Common QuestionsSCXI-1127/1128 User Manual E-2 ni.com• If you use the SCXI-1127/1128 to initiate the scan, make sure the DMM is waiting for

Appendix E Common Questions© National Instruments Corporation E-3 SCXI-1127/1128 User Manualbehind slots 3 and 4 you have connected the rows between s

© National Instruments Corporation F-1 SCXI-1127/1128 User ManualFTechnical Support ResourcesWeb SupportNational Instruments Web support is your first

Appendix F Technical Support ResourcesSCXI-1127/1128 User Manual F-2 ni.comWorldwide SupportNational Instruments has offices located around the world

© National Instruments Corporation G-1 SCXI-1127/1128 User ManualGlossaryPrefix Meanings Valuen- nano- 10–9µ- micro- 10– 6m- milli- 10–3k- kilo- 103M-

GlossarySCXI-1127/1128 User Manual G-2 ni.comCCCelsiuschannel pin or wire lead on the multiplexer to which you apply or from which you read the analog

Glossary© National Instruments Corporation G-3 SCXI-1127/1128 User ManualHhandshaking the use of two trigger lines between two instruments, such as a

Contents© National Instruments Corporation ix SCXI-1127/1128 User ManualGlossaryIndexFiguresFigure 1-1. Installing the SCXI-1127/1128 into an SCXI Cha

GlossarySCXI-1127/1128 User Manual G-4 ni.comRrandom scanning scanning the channels in a mux in any orderrelay a switch that connects or disconnects t

Glossary© National Instruments Corporation G-5 SCXI-1127/1128 User Manualsoft front panel a graphical program included with NI-SWITCH that you can use

GlossarySCXI-1127/1128 User Manual G-6 ni.comWWwattswire data path between nodes

© National Instruments Corporation I-1 SCXI-1127/1128 User ManualIndexNumbers1-wire channel scanning configuration, 2-5 to 2-6block diagram, 2-5wiring

IndexSCXI-1127/1128 User Manual I-2 ni.comDDAQ devicesaccessing SCXI-1127/1128 through other SCXI modules, 1-18 to 1-20PXI-1010 chassis, 1-20PXI-1011

Index© National Instruments Corporation I-3 SCXI-1127/1128 User Manualconnecting SCXI-1127/1128 to DMM in single chassis system, 1-5 to 1-9items requi

IndexSCXI-1127/1128 User Manual I-4 ni.comtemperature measurements, 2-17 to 2-20RTD measurements, 2-19thermistor measurements, 2-19 to 2-20thermocoupl

Index© National Instruments Corporation I-5 SCXI-1127/1128 User ManualSCANADVD signaldescription (table), D-6handshaking scanning, 2-15 to 2-16hardwar