Instruction/ maintenance manual of the product SCXI-1190/1191 National Instruments
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SCXI ™ SCXI-1190/1191 User Manual SCXI-1190/1191 User Manual February 2000 Edition Part Number 3226 10A-01.
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 Office.
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.
Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference.
• 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.
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.
© National Instruments Corporation vii SCXI-1190/1191 User Manual Contents Chapter 1 Installing and Configuring the SCXI-119 X About the SCXI-119 X ...................... .............. .......................... ......................... ...........
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 .
© 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.
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.
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.
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.
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.
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-1.
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.
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.
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.
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 .
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 .
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.
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.
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.
© 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.
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 .
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 .
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.
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.
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.
© 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 .
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 .
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) .
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 .
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.
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.
© 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.
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.
© 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 sec.
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.
© 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 % percen.
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.
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 P.
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.
© 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.
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 Instrum.
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, .
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If you have not bought National Instruments SCXI-1190/1191 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data National Instruments SCXI-1190/1191 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, National Instruments SCXI-1190/1191 you will learn all the available features of the product, as well as information on its operation. The information that you get National Instruments SCXI-1190/1191 will certainly help you make a decision on the purchase.
If you already are a holder of National Instruments SCXI-1190/1191, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime National Instruments SCXI-1190/1191.
However, one of the most important roles played by the user manual is to help in solving problems with National Instruments SCXI-1190/1191. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device National Instruments SCXI-1190/1191 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
