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National Instruments SCXI-1190/1191 manual

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Table of contents for the manual

  • Page 1

    SCXI ™ SCXI-1190/1191 User Manual SCXI-1190/1191 User Manual February 2000 Edition Part Number 3226 10A-01[...]

  • Page 2

    Worldwide Technical Support and Product Info rmation www.ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 284 5011, Canada (Calgary) 403 274 9391, Canada (Ontario) 905 785 [...]

  • Page 3

    Important Information Warranty The SCXI-1190 and SCX I-1191 are warranted against defects in material s and workmanship for a peri od of one year from the date of shipment, as evidenced by receipts or other documentation. National Inst ruments will, at its option, repa ir or replace equip men t that proves to be d efectiv e du ring t he w arranty p[...]

  • Page 4

    Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference. The FCC places digital electronics into two classes. These classes are known as Class A (for use in industrial- commercial locations only) or Class B (for us[...]

  • Page 5

    • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV te chnician for help. Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil num[...]

  • Page 6

    Conventions The following con ventions are used in this manual: This icon denotes a note, which alerts you to important information. This icon denotes a caution, which advises you of precautions to take to av oid injury , data loss, or a system crash. This icon denotes a warning, which advises you of precautions to take to av oid being electrically[...]

  • Page 7

    © National Instruments Corporation vii SCXI-1190/1191 User Manual Contents Chapter 1 Installing and Configuring the SCXI-119 X About the SCXI-119 X ...................... .............. .......................... ......................... ........... .. 1-1 Installing the Software ............. ......................... .......................... [...]

  • Page 8

    Contents SCXI-1190/1191 User Manual viii www.ni.com Appendix C Technical Support Resources Glossary Index Figures Figure 1-1. Installing the SCXI-119 X into an SCXI Chassis ...................... ............ 1-3 Figure 1-2. Connecting an SCXI Chassis to a DAQ Device or Computer-Based Instrument ...................... ... ........... ... ..........[...]

  • Page 9

    © National Instruments Corporation 1-1 SCXI-1190/1191 User Manual 1 Installing and Configuring the SCXI-119 X This manual describes the electrical and mechanical characteristics of the SCXI-1190 (quad 1 × 4, 50 Ω , 1.3 GHz bandw idth) and the SCXI-1191 (quad 1 × 4 , 50 Ω , 4 GHz bandwidth) multiplexer modules for the SCXI bus and contains in[...]

  • Page 10

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-2 www .ni.com 2. Install the NI-SWITCH software that came on a CD with your SCXI-119 X . The CD includes the software required to conf igure and to program your SCXI-119 X module. a. Insert your National Instruments NI-SWITCH softw are CD into the CD-R OM driv e. b. C l[...]

  • Page 11

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-3 SCXI-1190/1191 User Manual Installing the SCXI-119 X Module into an SCXI Chassis You need the following items to complete the installation: • SCXI-119 X module • SCXI chassis Follo w these steps to install your SCXI-119 X module into an SCXI chassis while[...]

  • Page 12

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-4 www .ni.com 4. Insert the SCXI-119 X module into slot 1. Gently guide the module in to the module guides and push it to th e back of the slot until the connectors make good contact. The module must be firmly engaged; howe ver , do not force the module into place. If t[...]

  • Page 13

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-5 SCXI-1190/1191 User Manual T o connect the chassis to a D A Q de vice for multiplexed operation, complete the following steps while referring to Figure 1-2: 1. T urn off both the SCXI chassis and the computer that contains the D A Q de vice or computer -based[...]

  • Page 14

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-6 www .ni.com Figure 1-2. Connecting an SCXI Chassis to a DAQ Device or Computer -Based Instrument Connecting the SCXI-119 X to a DAQ Device in a PXI Combination Chassis To connect the SCXI-119 X to a DAQ device in a PXI combination chassis, such as the PXI-1010 or PXI-[...]

  • Page 15

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-7 SCXI-1190/1191 User Manual Y ou should hav e already installed your SCXI-1 19 X module and any other SCXI modules in the chassis according to their installation instructions. T o use the SCXI-119 X module with a DA Q device or computer -based instrument in a [...]

  • Page 16

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-8 www .ni.com Y ou no w hav e the choice of automatically detecting which modules are installed in the chassis or manu ally adding them. • If you hav e just added the chassis to Devices and Interfaces , you can automatically detect new modules. • If the chassis w as[...]

  • Page 17

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-9 SCXI-1190/1191 User Manual Note If the Measurement & Automation Explorer recognized an y module as an SCXI custom module, you may be using an old version of NI-D A Q , the data acquisition driv er software. Y ou can download the latest v ersion of NI-D A [...]

  • Page 18

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-10 ww w .ni.com Y our SCXI chassis and SCXI modu l e(s) should n o w be con f igured properl y . If your con f iguration is complete, test the system as described in the Self-Test Verification section to ensure that your SCXI system is communicating properly with the d [...]

  • Page 19

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-11 SCXI-1190/1191 User Manual c. Click the + next to your SCXI chassis to sho w all the SCXI modules. d. Right-click on the module that is connected to your D A Q device or computer -based instrument and select Properties . e. Change the Connected to selection [...]

  • Page 20

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-12 www .ni.com Removing the SCXI-119 X This section describes how to remove the SCXI-119 X from an SCXI chassis. Removing the SCXI-119 X from an SCXI Chassis Make sure you read and understand all the safety information in this manual before you remove an SCXI module. Yo[...]

  • Page 21

    Chapter 1 Installing and Configuring the SCXI-119X © National Instruments Corporation 1-13 SCXI-1190/1191 User Manual Figure 1-3. Removin g the SCXI-119 X Removing the SCXI-119 X from Measurement & Automation Explorer To remove a module from Measurement & Automation Explorer, complete the following steps: 1. Double-click the Measurement &a[...]

  • Page 22

    Chapter 1 Installing and Configuring the SCXI-119X SCXI-1190/1191 User Manual 1-14 www .ni.com Note Deleting an SCXI chassis deletes all modules in the chassis. All configuration information for these modules is also lost. Y our SCXI chassis and/or SCXI module(s) sh ould no w be remov ed from the list of installed devices in Measurement & Autom[...]

  • Page 23

    © National Instruments Corporation 2-1 SCXI-1190/1191 User Manual 2 Using the SCXI-119 X This chapter contains a functional overview, safety instructions, and connection possibiliti es of the SCXI-119 X multiplex er module. Functional Over view The SCXI-119 X modules are gene ral-purpose, quad 4-channel, high-bandwidth multiplexing switches. Th e [...]

  • Page 24

    Chapter 2 Using the SCXI-119X SCXI-1190/1191 User Manual 2-2 www .ni.com Figure 2-1. SCXI-119 X Module Block Diagram Safety Instructions Cautions Do not operate damag ed equipment. The safety protection features built into this instrument can become impaired if th e instrument becomes dama ged in any w ay . If the instrument is damaged, do not use [...]

  • Page 25

    Chapter 2 Using the SCXI-119X © National Instruments Corporation 2-3 SCXI-1190/1191 User Manual Connections that exceed an y of the maximum signal ratings on the SCXI-119 X can create a shock or fire hazard or can damage an y or all of the de vices connected to the SCXI-119 X . National Instruments is not liable for any damages or injuries resulti[...]

  • Page 26

    Chapter 2 Using the SCXI-119X SCXI-1190/1191 User Manual 2-4 www .ni.com Connecting Signals The SCXI-1190 has pu sh -on SMB connectors, and the SCXI-1191 has screw-on SMA connectors as shown in Figure 2-2. Figure 2-2. SCXI-1190 SMB Connectors, SCXI-1191 SMA Connectors Note The power -up and reset state of the different multiple xer banks are as fol[...]

  • Page 27

    Chapter 2 Using the SCXI-119X © National Instruments Corporation 2-5 SCXI-1190/1191 User Manual Multiplexing to RF Sources Figure 2 -3 shows how to use the SCXI-119 X to select one of four RF sources to be routed to a RF measurement device. Figure 2-3. Connecting the SCXI-119 X RF Source 1 RF Source 2 RF Source 3 RF Source 4 RF Measurement Device [...]

  • Page 28

    Chapter 2 Using the SCXI-119X SCXI-1190/1191 User Manual 2-6 www .ni.com Expanding the RF Multiplexer Figure 2-4 shows how to expand t he SCXI-119 X by cascading stages together. In the specific case of Figure 2-4, the module is used to create a 13 to 1 multiplexer with a two-stage architecture. You can cascade several modules to provide even large[...]

  • Page 29

    © National Instruments Corporation A-1 SCXI-1190/1191 User Manual A Specifications This appendix lists the specif ications for the SCXI-1190 and the SCXI-1191 multiplex er modules. These specif ications are typical at 25 ° C unless otherwise noted. SCXI-1190 Input Characteristics Number of relays per bank ... .............. .... 3 Number of banks[...]

  • Page 30

    Appendix A Specifications for SCXI-1190 SCXI-1190/1191 User Manual A-2 www.ni.com RF Performance Characteristics Characteristic impedance (Z 0 ) ................50 Ω Insertion loss at: ≤ 100 MHz ................. .......................<0.4 dB ≤ 500 MHz ................. .......................<0.9 dB ≤ 1.3 GHz ..................... .[...]

  • Page 31

    Appendix A Specifications for SCXI-1190 © National Instruments Corporation A-3 SCXI-1190/1191 User Manual Caution Exceeding the maximum switching capability will decrease the e x pected life of the SCXI-1190. Power Requirement +5 VDC Maximum (all relays closed) .......... 600 mA Physical Dimensions................... ......................... . 17[...]

  • Page 32

    Appendix A Specifications for SCXI-1191 SCXI-1190/1191 User Manual A-4 www.ni.com SCXI-1191 Input Characteristics Number of relays per bank ............... ......3 Number of banks .................. .............. .... 4 Common-mode voltage Channel to earth ......................... ...... 30 V rms or DC Maximum switching vo ltage AC............ ..[...]

  • Page 33

    Appendix A Specifications for SCXI-1191 © National Instruments Corporation A-5 SCXI-1190/1191 User Manual Note Refer to the warning and cautions in Chapter 2, Using the SCXI-119X , for important information about using your SCXI-1191 with high-power signals. Dynamic Characteristics Relay operate time (at 20 ° C) Typical .................. .......[...]

  • Page 34

    Appendix A Specifications for SCXI-1191 SCXI-1190/1191 User Manual A-6 www.ni.com Certifications and Compliances CE Mark Compliance See the Declaration of Conformity sheet accompanying product.[...]

  • Page 35

    © National Instruments Corporation B-1 SCXI-1190/1191 User Manual B Common Questions This appendix addresses common questions you may hav e while using your SCXI-119 X mult ipl ex er module. The SCXI-1190 is listed to ha ve a 1.3 GHz bandwidth. Can I use it at 2 GHz bandwidth? The SCXI-1190 can definitely be used at 2 GHz, as long as the isolation[...]

  • Page 36

    Appendix B Common Question s SCXI-1190/1191 User Manual B-2 www.ni.com One of my modules doesn’t switch properly anymore. What’ s wr ong ? One of the relays has probably worn out. Relays are mechanical de vices and hav e a lim ited swit ching lifetime. Call Natio nal In struments for information on replacing your relays. What is VSWR, and ho w [...]

  • Page 37

    © National Instruments Corporation C-1 SCXI-1190/1191 User Manual C T echnical Support Resources This appendix describes the comprehensiv e resources av ailab le to yo u in the T echnical Support section of the National Instruments W eb site and provides technical support telephone numbers for you to use if you hav e trouble connecting to our W eb[...]

  • Page 38

    Appendix C T echnical Support Resources SCXI-1190/1191 User Manual C-2 www.ni.com Software-Related Resources • Instrument Driver Network —A library with hundreds of in strument dri v ers for contro l of standalone instruments via GPIB, VXI, or serial interfaces. Y ou also can submit a request for a particular instrument dri ver if it does not a[...]

  • Page 39

    © National Instruments Corporation G-1 SCXI-1190/1191 User Manual Glossar y Pref ix Meanings V alue n- nano- 10 –9 m- milli- 10 –3 M- mega- 10 6 G- giga- 10 9 Symbols ° degrees Ω ohms % percent A A amperes A C alternating current ADE application de velopment en vironment such as LabVIEW , LabW indows/CVI, V isual Basic, and C or C++ C C Cel[...]

  • Page 40

    Glossary SCXI-1190/1191 User Manual G-2 www .ni.com dB decibel DC direct current de vice a plug-in board, card, or pad that can contain multiple channels and co n v ers ion d e vi ces . Some examples of devices are computers, multimeters, multiplexers, oscillators, operator interfaces, and counters. digital multimeter a multifunction meter used to [...]

  • Page 41

    Glossary © National Instruments Corporation G-3 SCXI-1190/1191 User Manual N NI-SWITCH an IVI-based instrumen t dri v er that supports the National Instruments line of switch cards O oz ounce P PXI PCI with e xtensions for instrumentation R RF radio frequency relay a switch that connects or disconnects the signal to a common through the physical m[...]

  • Page 42

    Glossary SCXI-1190/1191 User Manual G-4 www .ni.com V V volts VDC v olts, direct current VSWR V oltage Standing W av e Ratio W Ww a t t s[...]

  • Page 43

    © National Instruments Corporation I-1 SCXI-1190/1191 User Manual Index A auto-detection of modules, 1-8 to 1-9 B block diagram of SCXI-119 X, 2-2 C certifications and compliances SCXI-1190, A-3 SCXI-1191, A-5 common questions, B-1 to B-2 configuration, 1-7 to 1-11 auto-detecting mod ules, 1-8 to 1-9 manually adding modules, 1- 9 to 1-10 self-test[...]

  • Page 44

    Index SCXI-1190/1191 User Manual I-2 www .ni.com troubleshooting, 1-10 to 1-11 multiplexed operation with DAQ device, 1-5 multiplexer, expanding, 2-6 multiplexing to RF sources, 2-5 N National Instruments Web sup port, C-1 to C-2 NI-SWITCH software, 1-2 O online problem-solving and diagnostic resources, C-1 P physical specifications SCXI-1190, A-3 [...]

  • Page 45

    Index © National Instruments Corporation I-3 SCXI-1190/1191 User Manual SCXI-1191, A-4 to A-5 certifications and compliances, A-5 dynamic characteristics, A-5 environment, A-5 input characteristics, A-4 physical, A-5 power requirement, A-5 RF performance characteristics, A-4 to A-6 T technical support resources, C -1 to C-2 troubleshooting common [...]