National Instruments SCXI-1190/1191 User's Manual
Contents
1. expanding RF multiplexer 2 6 H hardware installation See installation input characteristics SCXI 1190 A 1 SCXI 1191 A 4 installation 1 2 to 1 7 connecting SCXI 119X to DAQ device DAQ device or computer based instrument 1 4 to 1 6 in PXI combination chassis 1 6 to 1 7 removing SCXI 119X 1 12 to 1 14 from Measurement amp Automation Explorer 1 13 to 1 14 from SCXI chassis 1 12 to 1 13 into SCXI chassis 1 3 to 1 4 software installation 1 1 to 1 2 unpacking 1 2 isolation defined B 2 Measurement amp Automation Explorer auto detecting modules 1 8 to 1 9 configuration procedure 1 7 to 1 8 manually adding modules 1 9 to 1 10 removing SCXI 119X 1 13 to 1 14 self test verification 1 10 SCXI 1190 1191 User Manual Index troubleshooting 1 10 to 1 11 multiplexed operation with DAQ device 1 5 multiplexer expanding 2 6 multiplexing to RF sources 2 5 National Instruments Web support C 1 to C 2 NI SWITCH software 1 2 0 online problem solving and diagnostic resources C 1 P physical specifications SCXI 1190 A 3 SCXI 1191 A 5 power requirement specifications SCXI 1190 A 3 SCXI 1191 A 5 problem solving and diagnostic resources online C 1 PXI combination chassis connecting with SCXI 119X 1 6 to 1 7 Q questions and answers B 1 to B 2 R reflective switch 2 3 removing SCXI 119X 1 12 to 1 14 from Measurement amp Automation Explorer 1 13 to 1 14 from SCXI chassis 1 122. 5 to 85 noncondensing Electromagnetic compatibility EMC emissions Refer to the document supplied with the chassis for compliance to relevant directives PMO cities nah anne aes FCC Class A compliant Certifications and Compliances CE Mark Compliance C See the Declaration of Conformity sheet accompanying product National Instruments Corporation A 3 SCXI 1190 1191 User Manual Appendix A Specifications for SCXI 1191 SCXI 1191 Input Characteristics Number of relays per bank 3 Number of banks 4 Common mode voltage Channel to earth 30 Vims or DC Maximum switching voltage usus 30 VDC at 0 33 ADC AC MM NIU I EUN 30 Vims at 0 33 Aq Maximum switching power per 10 W Contact on resistance initial 200 mQ max Contact Gold RF Performance Characteristics Characteristic impedance Zp 50 Q Insertion loss at lt 0 6 dB lt 0 9 dB VSWR at 2 5 OHZ ect hunni 13 S4GHz oceania 1 5 Isolation DENG uiui eee ee 60 dB lt 55 dB Maximum RF carry power at 900 MEIz eere 10 W SCXI 1190 1191 User Manual A 4 WWW ni com Appendix A Specifications for SCXI 1191 B Note Refer to the warn
3. A n 3 dB VSWR at lt 100 MHz eer 1 15 lt 500 MHz eer 1 35 ae 1 5 2 5 dB Isolation 9500 cec eee eee lt 62 dB lt 1 3 50 dB SGT E 30 dB Rise 300 ps Signal delay eee lt 3 ns Maximum RF carry power at 900 MHz sse 10 W hy Note Referto the cautions and warning in Chapter 2 Using the SCXI 119X for important information about using your SCXI 1190 with high power signals Dynamic Characteristics Relay operate time at 20 C Typical riter 15 ms Relay release time at 20 C ite tenen 15 ms Expected life Mechanical no load 5 x 10 operations Electrical at maximum switching 1 10 operations SCXI 1190 1191 User Manual A 2 WWW ni com Appendix A Specifications for SCXI 1190 Caution Exceeding the maximum switching capability will decrease the expected life of the SCXI 1190 Power Requirement 5 VDC Maximum all relays closed 600 mA Physical DimensiOhDs ettet tret 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in connector esee 5 SMB female per bank Environment Operating temperature 0 to 50 C Storage 20 to 70 C Relative humidity
4. SCXI 119X to a DAQ Device or Computer Based Instrument section To auto detect your SCXI module s follow these steps 1 Make sure the chassis power is turned on 2 Intheauto detect window select Yes under Auto Detect Modules and click Next If your chassis is a remote SCXI chassis go to step 5 otherwise go to step 3 3 Select your communication path which is the device in your PC or PXI system directly connected to the chassis and click Next 4 When the modules are detected select the module that is connected to your communication device by the cable 5 Click Finish Measurement amp Automation Explorer should now recognize your SCXI chassis and SCXI module s If the software did not recognize your modules check your cable connections and retry auto detecting Alternatively try installing the modules manually before taking the troubleshooting measures discussed in the Troubleshooting Self Test Verification section SCXI 1190 1191 User Manual 1 8 www ni com Chapter 1 Installing and Configuring the SCXI 119X 5 Note Ifthe Measurement amp Automation Explorer recognized any module as SCXI custom module you may be using an old version of NI DAQ the data acquisition driver software You can download the latest version of NI DAQ for free at www ni com Manually Adding Modules If you did not auto detect your SCXI modules you must add each of your modules separately Use the following steps to manually add mod
5. bandwidth of DC to 4 GHz Figure 2 1 illustrates the key functional components of the SCXI 119X multiplexer module National Instruments Corporation 2 1 SCXI 1190 1191 User Manual Chapter 2 Using the SCXI 119X SCXI 1190 SCXI 1191 Hardware SCXIbus Architecture Connector Rear Signal M Relay Controller and Drivers Relay Control Bus id E 4 comA 2 1 comB 3B 2B 1 comC 3C 2 1 0 comD 3D 2D 1 e Figure 2 1 SCXI 119X Module Block Diagram Safety Instructions AN Cautions Do not operate damaged equipment The safety protection features built into this instrument can become impaired if the instrument becomes damaged in any way If the instrument is damaged do not use it until service trained personnel can check its safety If necessary return the instrument to National Instruments for service and repair to ensure that its safety is not compromised Do not operate this instrument in a manner that contradicts the information specified in this document Misuse of this instrument could result in a shock hazard Do not substitute parts or modify equipment Because of the danger of introducing additional hazards do not install unauthorized parts or modify the instrument Return the
6. data acquisition National Instruments Corporation G 1 SCXI 1190 1191 User Manual Glossary dB DC device digital multimeter DMM drivers driver software isolation IVI in m MB multiplexer SCXI 1190 1191 User Manual decibel direct current a plug in board card or pad that can contain multiple channels and conversion devices Some examples of devices are computers multimeters multiplexers oscillators operator interfaces and counters a multifunction meter used to make measurements such as voltage current resistance frequency temperature and so on See digital multimeter software that controls a specific hardware device such as a switch card gram hertz the number of scans read or updates written per second a measure of the amount of cross talk between channels Interchangeable Visual Instrument inches meter megabytes of memory a switching device with multiple inputs that sequentially connects each of its inputs to its output typically at high speeds in order to measure several signals with a single analog input channel G 2 www ni com NI SWITCH 0 OZ PXI SCXI National Instruments Corporation Glossary an IVI based instrument driver that supports the National Instruments line of switch cards ounce PCI with extensions for instrumentation radio frequency a switch that connects or disconnects the signal to a common through the physical movement of
7. font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions and code excerpts Bold text in this font denotes the messages and responses that the computer automatically prints to the screen This font also emphasizes lines of code that are different from the other examples Refers to the both the SCXI 1190 module and the SCXI 1191 module Contents Chapter 1 Installing and Configuring the SCXI 119X About tli SCXI TIO X ter Ee ed e ee Hee hee s 1 1 Installing the Software eene inulin een ee ees 1 1 Installing the iie ie tte erre obiecti nve 1 2 RE EG a eee 1 2 Installing the SCXI 119X Module into an SCXI Chassis 1 3 Connecting the SCXI 119X to a DAQ Device or Computer Based InStrument z eus iac te e tte de ES m E od e e s 1 4 Connecting the SCXI 119X to a DAQ Device in a PXI Combination CHASSIS e RR 1 6 Configuration and 1 1 7 Auto Detecting Modul s ct RE REA 1 8 Manually Adding Modules essere 1 9 Selt Test VerrfiCatioB er eee eir re t pae i pire REESE RS 1 10 Troubleshooting S
8. instrument to National Instruments for service and repair to ensure that its safety is not compromised SCXI 1190 1191 User Manual 2 2 www ni com Chapter 2 Using the SCXI 119X Connections that exceed any of the maximum signal ratings on the SCXI 119X can create a shock or fire hazard or can damage any or all of the devices connected to the SCXI 119X National Instruments is not liable for any damages or injuries resulting from incorrect signal connections Clean the instrument and accessories by brushing off light dust with a soft nonmetallic brush Remove other contaminants with a stiff nonmetallic brush The unit must be completely dry and free from contaminants before returning to service RF Switching Precautions The SCXI 119X is a reflective switch meaning that any channels not switched to the common channel are unterminated and any signal on an unterminated channel is reflected to its source For most low power switching applications this reflection is not a problem However operation with an unterminated output can damage some high power RF sources Consult your RF source documentation for more information about connecting to unterminated channels AN Warning Do not exceed the channel to ground rating of 24 V on the SCXI 1190 and 30 or DC for the SCXI 1191 Any connections that exceed the maximum voltage for the SCXI 119X can result in an electrical shock hazard and damage to the switch module and any or all of the m
9. 1 multiplexer with a two stage architecture You can cascade several modules to provide even larger multiplexers Cascading multiplexers increases insertion loss creates propagation delays and may have other RF SCXI 1190 1191 User Manual effects 3A 2A 07 MUX 1A 0A comD comC comB MUX MUX MUX Figure 2 4 Expanding the SCXI 119X www ni com Specifications This appendix lists the specifications for the SCXI 1190 and the SCXI 1191 multiplexer modules These specifications are typical at 25 C unless otherwise noted SCXI 1190 Input Characteristics Number of relays per bank 3 Number of 4 Common mode voltage Channel to earth 24 VDC Maximum switching voltage Dit MEI QUEEN 24 V 1 Ams at 24 V Maximum switching power per 24W Contact on resistance initial 100 mQ max Contact material Gold clad silver National Instruments Corporation A 1 SCXI 1190 1191 User Manual Appendix A Specifications for SCXI 1190 RF Performance Characteristics Characteristic impedance Zp 509 Insertion loss at STOO lt 0 4 lt 500 lt 0 9 lt 1 5 lt 2 GHZ
10. Configuring the SCXI 119X Insert the SCXI 119X module into slot 1 Gently guide the module into the module guides and push it to the back of the slot until the connectors make good contact The module must be firmly engaged however do not force the module into place If the module is not sliding easily into the chassis check for correct insertion into the module guides hy Note When installing the SCXI 119X module in an SCXI chassis slot 1 should be filled first then fill slot 2 with the next SCXI 119X Insert any other SCXI modules into the remaining slots in the same manner as described in step 4 Secure all the SCXI 119X modules to the SCXI chassis by tightening both module thumbscrews Connecting the SCXI 119X to a DAQ Device or Computer Based Instrument SCXI 1190 1191 User Manual You need the following items SCXI chassis with the SCXI modules installed Refer to the Installing the SCXI 119X Module into an SCXI Chassis section SCXI cable assembly which consists of a cable adapter and a cable An installed National Instruments DAQ device or computer based instrument that is able to control the SCXI chassis such as the NI 4060 1 4 in flathead screwdriver Consult your SCXI chassis documentation other SCXI module documentation and DAQ device or computer based instrument documentation for additional instructions and warnings Your SCXI 119X module and any other SCXI modules should already be installed in the chas
11. FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance FCC Canada Radio Frequency Interference Compliance Determining FCC Class The Federal Communications Commission FCC has rules to protect wireless communications from
12. SCXT SCXI 1190 1191 User Manual EK NATIONAL February 2000 Edit SinstRUMENTs Par Number 322810401 Worldwide Technical Support and Product Information 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 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 27 73 00 Poland 0 22 528 94 06 Portugal 351 1 726 9011 Singapore 2265886 Spain 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2528 7227 United Kingdom 01635 523545 For further support information see the Technical Support Resources appendix To comment on the documentation send e mail to techpubs ni com Copyright 2000 National Instruments Corporation All rights reserved Important Information Warranty The SCXI 1190 and SCXI 1191 are warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced b
13. U EEC EEA must refer to the Manufacturer s Declaration of Conformity DoC for information pertaining to the CE Mark compliance scheme The Manufacturer includes a DoC for most every hardware product except for those bought for OEMs if also available from an original manufacturer that also markets in the EU or where compliance is not required as for electrically benign apparatus or cables Certain exemptions may apply in the USA see FCC Rules 815 103 Exempted devices and 15 105 c Also available in sections of CFR 47 The CE Mark Declaration of Conformity will contain important supplementary information and instructions for the user or installer Conventions H AN AX bold italic monospace monospace bold SCXI 119X The following conventions 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 avoid injury data loss or a system crash This icon denotes a warning which advises you of precautions to take to avoid being electrically shocked Bold text denotes items that you must select or click on in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this
14. UMENTS 1 1190 SCX 1191 7 JOC JOO 20 Q4 72 ff AA Y Y SW MASS FS JOOC OQ J N N f 22 S 4 GHz Quad 4 Channel 500 Multiplexer Multiplexer Figure 2 2 SCXI 1190 SMB Connectors SCXI 1191 SMA Connectors 3 Note The power up and reset state of the different multiplexer banks are as follows banks A and C channel 0 is connected to the COM terminal banks B and D channel 3 is connected is connected to the COM terminal SCXI 1190 1191 User Manual 2 4 www ni com Chapter 2 Using the SCXI 119X Multiplexing to RF Sources Figure 2 3 shows how to use the SCXI 119X to select one of four RF sources to be routed to a RF measurement device NATIONAL INSTRUMENTS SCXI 119i RF Source RF Source LI 2 am L RF Measurement Device Scopes Spectrum Analyzers Power Meters RF Source gt RF Source 4 am 1 3 GHz Quad 4 Channel 50 Multiplexer D Figure 2 3 Connecting the SCXI 119X National Instruments Corporation 2 5 SCXI 1190 1191 User Manual Chapter 2 Using the SCXI 119X Expanding the RF Multiplexer Figure 2 4 shows how to expand the SCXI 119X by cascading stages together In the specific case of Figure 2 4 the module is used to create a 13 to
15. a metal arm root mean square the square root of the average value of the square of the instantaneous signal amplitude a measure of signal amplitude seconds Signal Conditioning eXtensions for Instrumentation the National Instruments product line for conditioning low level signals within an external chassis near sensors so only high level signals are sent to DAQ boards in the noisy PC environment G 3 SCXI 1190 1191 User Manual Glossary V V volts VDC volts direct current VSWR Voltage Standing Wave Ratio W W watts SCXI 1190 1191 User Manual G 4 WWW ni com Index A auto detection of modules 1 8 to 1 9 block diagram of SCXI 119X 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 modules 1 8 to 1 9 manually adding modules 1 9 to 1 10 self test verification 1 10 steps for 1 7 to 1 8 troubleshooting self test verification 1 10 to 1 11 connecting SCXI 119X to DAQ device DAQ device or computer based instrument 1 4 to 1 6 in PXI combination chassis 1 6 to 1 7 connecting signals See signal connections contact protection 2 3 conventions used in manual vi D DAQ device See connecting SCXI 119X to DAQ device diagnostic resources online C 1 dynamic characteristics SCXI 1190 A 2 to A 3 SCXI 1191 A 5 National Instruments Corporation E environment specifications SCXI 1190 A 3 SCXI 1191 A 5
16. ailable to download free at www ni com manuals Troubleshooting Self Test Verification SCXI 1190 1191 User Manual If the preceding test did not verify your chassis configuration take the following steps to successfully complete system configuration 1 Ifyougetthe warning message Unable to test chassis at this time probably you have not designated at least one module as connected to a DAQ device or computer based instrument Take the following troubleshooting actions a Double click the Measurement amp Automation Explorer icon on your PC desktop b Click the next to Devices and Interfaces 1 10 WWW ni com National Instruments Corporation Chapter 1 Installing and Configuring the SCXI 119X c Click the next to your SCXI chassis to show all the SCXI modules d Right click on the module that is connected to your DAQ device or computer based instrument and select Properties e Change the Connected to selection from None to Connected to Device x If you get the warning message Failed find followed by the module codes and the message Unable to communicate with chassis take the following troubleshooting actions Make sure that the SCXI chassis is powered on b Make sure the cable between the SCXI chassis and DAQ device or computer based instrument is properly connected Inspect the cable and the connectors for any bent pins d Make sure you are using the correct National Instruments cable assem
17. al A 6 WWW ni com Common Questions This appendix addresses common questions you may have while using your SCXI 119X multiplexer module The SCXI 1190 is listed to have 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 VSWR and attenuation levels are acceptable for your particular application Refer to Appendix A Specifications for a complete list of the parameters at 2 GHz What should I do if the software detects the module but the switches do not switch e Verify that the switches do not switch by trying to close and open the switches You can verify the switches functionality by using the NI SWITCH front panel Access the front panel by clicking on Start Programs National Instruments Switch NI Switch Soft Front Panel e Also be sure to check the return codes of the NI SWITCH operation to ensure that there are no errors negative value or warnings positive value Finally verify that your code is correct For reference see the examples described in the NI SWITCH Software User Manual The NI SWITCH driver ships with several examples in source code Compare your algorithm to those in the examples Do I need to program the switch module myself The SCXI 119X comes with the NI SWITCH driver software which exports the full functionality of the module NI SWITCH handles the complex issues of direct memory access interrupts and operatin
18. ary with more than 100 short papers addressing specific topics such as creating and calling DLLs developing your own instrument driver software and porting applications between platforms and operating systems National Instruments Corporation C 1 SCXI 1190 1191 User Manual Appendix C Technical Support Resources Software Related Resources Instrument Driver Network A library with hundreds of instrument drivers for control of standalone instruments via GPIB VXI or serial interfaces You also can submit a request for a particular instrument driver if it does not already appear in the library e Example Programs Database A database with numerous non shipping example programs for National Instruments programming environments You can use them to complement the example programs that are already included with National Instruments products e Software Library A library with updates and patches to application software links to the latest versions of driver software for National Instruments hardware products and utility routines Worldwide Support SCXI 1190 1191 User Manual National Instruments has offices located around the globe Many branch offices maintain a Web site to provide information on local services You can access these Web sites from www ni com worldwide If you have trouble connecting to our Web site please contact your local National Instruments office or the source from which you purchased your Nationa
19. bly e Test your DAQ device or computer based instrument to verify it is working properly See your DAQ device or computer based instrument user manual for more information If you get the warning message Failed to find followed by module codes and then the message Instead found module with ID OXxx return to the Connecting the SCXI 119X to a DAQ Device or Computer Based Instrument section and make sure the correct module is in the specified slot Delete the incorrect module as described in the Removing the SCXI 119X from an SCXI Chassis section and then add the correct module as described in the Manually Adding Modules section If you get the warning message Failed to find followed by a module code and then the message Slot x is empty check to see if the configured module is installed in the specified slot If not install the module by referring to the Installing the Hardware section If the module is installed in the correct slot turn off the chassis remove the module as specified in the Removing the SCXI 119X from an SCXI Chassis section and verify that no connector pins are bent on the rear signal connector Reinstall the module ensuring the module is fully inserted and properly aligned in the slot After checking the preceding items return to the Self Test Verification section and retest your SCXI chassis 1 11 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X Removing the SCXI 119X This sec
20. du Canada Class B Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver e 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 technician for help Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada European Union Compliance to EEC Directives Readers in the E
21. e control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation Trademarks LabVIEW National Instruments ni com NI DAQ NI SWITCH PXI and SCXI are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT
22. elf Test Verification sse 1 10 Removing the SCX IO XK s ctn diente SE OR CREER R 1 12 Removing the SCXI 119X from an SCXI Chassis eese 1 12 Removing the SCXI 119X from Measurement amp Automation Explorer 1 13 Chapter 2 Using the SCXI 119X Functional QV6rVIGW ertet treten ett rtr erre O ES neret E Eve Eee EE eed 2 1 2 2 RF Switching 2 3 Contact Protections sso emen te ves ine Rer eres 2 3 Connecting Signals erect ederet re etie tenti ete pretende eerte 2 4 Multiplexing to RF Sources rennen 2 5 Expanding the RF Multiplexer sees 2 6 Appendix A Specifications Appendix B Common Questions National Instruments Corporation Vii SCXI 1190 1191 User Manual Contents Appendix C Technical Support Resources Glossary Index Figures Figure 1 1 Installing the SCXI 119X into an SCXI Chassis 1 3 Figure 1 2 Connecting an SCXI Chassis to a DAQ Device or Computer Based Instrument eee 1 6 Figure 1 3 Removing the SCXI 119X ssssssseseeseeeeeeerenneee eene 1 13 Figure 2 1 SCXI 119X Module Block Diagram eee 2 2 Figure 2 2 SCXI 1190 SMB Connectors SCXI 1191 SMA Connectors 2 4 Figure 2 3 Connecting the SCXI 119X sse 2 5 F
23. ent in a PXI combination chassis turn on the SCXI chassis Consult your PXI chassis documentation other SCXI module documentation and DAQ device or computer based instrument documentation for additional instructions and warnings If you have already installed the appropriate software you are ready to configure the SCXI 119X If you have not installed the appropriate software refer to the Installing the Software section Configuration and Self Test NI SWITCH installed the Measurement amp Automation Explorer icon on your PC desktop This utility allows you to configure and test your National Instruments hardware Follow these steps to configure your SCXI system 1 Double click the Measurement amp Automation Explorer icon on your PC desktop Click the next to Devices and Interfaces If you are adding new modules to an existing chassis go to step 4 If you are inserting modules into an empty chassis go to step 2 2 Add a new chassis to the configured devices and interfaces by right clicking on Devices and Interfaces and selecting Insert Select the appropriate chassis from the list box and click OK 3 Configure the chassis a Selecta Chassis ID The ID is an integer value you choose to uniquely identify the chassis for programming and scanning b Select the Chassis Address This selection is needed to address the chassis in a multichassis SCXI system Unless you are using multiple chassis with the same DAQ device
24. g system interfacing for you All you need to do is make high level calls to these functions from your ADE National Instruments Corporation B 1 SCXI 1190 1191 User Manual Appendix B Common Questions SCXI 1190 1191 User Manual One of my modules doesn t switch properly anymore What s wrong One of the relays has probably worn out Relays are mechanical devices and have a limited switching lifetime Call National Instruments for information on replacing your relays What is VSWR and how does it affect my system VSWR stands for Voltage Standing Wave Ratio it is a measure of the reflection on a transmission line The percentage of a signal reflected back to the source is equal to VSWR 1 VSWR 1 This means that a VSWR of 1 is optimum with no reflected signal On higher power applications a large VSWR can damage the output stage of the source High VSWR also means that a large percentage of the power from the source cannot be delivered to the load What is isolation and why is it important Isolation is a measure of the amount of cross talk between channels For example if a 1 Vp p signal is isolated by 40 dB to another channel then 10 mVp p will be seen on the adjacent channel in addition to the signal already on the channel B 2 www ni com Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and
25. igure 2 4 Expanding the SCXI 119X sse 2 6 SCXI 1190 1191 User Manual viii www ni com Installing and Configuring the SCXI 119X This manual describes the electrical and mechanical characteristics of the SCXI 1190 quad 1 x 4 50 Q 1 3 GHz bandwidth and the SCXI 1191 quad 1 x 4 50 Q 4 GHz bandwidth multiplexer modules for the SCXI bus and contains information concerning their installation and operation About the SCXI 119X This section summarizes the features and operation of the SCXI 119X switch modules In addition refer to Appendix A Specifications for detailed specifications of the switch module The SCXI 119X modules are general purpose quad 4 channel high bandwidth multiplexing switches The SCXI 119X uses single pole double throw high bandwidth relays capable of switching signals from DC to 1 3 GHz bandwidth SCXI 1190 and from DC to 4 GHz bandwidth SCXI 1191 The characteristic impedance of the channels is 50 Q For the SCXI 1190 the maximum rated voltage of the switch is 24 VDC and the maximum rated current is 1 A at 24 V For the SCXI 1191 the maximum rated voltage of the switch is 30 VDC and the maximum rated current is 30 Vims at 0 33 ADC Installing the Software You can control the SCXI 119X programmatically in an application development environment ADE using NI SWITCH The supported ADEs include LabVIEW LabWindows CVI Visual Basic and C or C environments The following steps de
26. ing 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 recs 15 ms Relay release time at 20 C Typical rre 15 ms Expected life Mechanical no load 5 x 106 operations Electrical at maximum switching 10 operations Caution Exceeding the maximum switching capability will decrease the expected life of the SCXI 1191 Power Requirement 5 VDC Maximum all relays closed 950 mW Physical DIMENSIONS 1 25426 e ksi eae 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in connector essen 5 SMA female per bank Environment Operating temperature 0 to 50 C Storage 20 to 70 C Relative humidity s 596 to 8596 noncondensing Electromagnetic compatibility EMC emissions sss Refer to the document supplied with the chassis for compliance to relevant directives en tetro tret FCC Class A compliant National Instruments Corporation A 5 SCXI 1190 1191 User Manual Appendix A Specifications for SCXI 1191 Certifications and Compliances CE Mark Compliance C See the Declaration of Conformity sheet accompanying product SCXI 1190 1191 User Manu
27. 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 use in residential or commercial locations Depending on where it is operated this product could be subject to restrictions in the FCC rules In Canada the Department of Communications DOC of Industry Canada regulates wireless interference in much the same way Digital electronics emit weak signals during normal operation that can affect radio television or other wireless products By examining the product you purchased you can determine the FCC Class and therefore which of the two FCC DOC Warnings apply in the following sections Some products may not be labeled at all for FCC if so the reader should then assume these are Class A devices FCC Class A products only display a simple warning statement of one paragraph in length regarding interference and undesired operation Most of our products are FCC Class A The FCC rules have restrictions regarding the locations where FCC Class A products can be operated FCC Class B products display either a FCC ID code starting with the letters EXN Trado Nan Micdel Nunwber or the FCC Class B compliance mark that appears as shown here on the right DE HM FC with FCC Standards Consult the FCC web site http www fcc gov for more information FCC DOC Warnings This equipment generates and uses radio frequency energy and if no
28. l Instruments product s to obtain support For telephone support in the United States dial 512 795 8248 For telephone support outside the United States contact your local branch office 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 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 New Zealand 09 914 0488 Norway 32 277 73 00 Poland 0 22 528 94 06 Portugal 351 1 726 9011 Singapore 2265886 Spain 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2528 7227 United Kingdom 01635 523545 C 2 www ni com Glossary Prefix Meanings Value n nano 10 9 m milli 10 3 M mega 106 G giga 10 Symbols T degrees Q ohms percent A A amperes AC alternating current ADE application development environment such as LabVIEW C C channel DAQ LabWindows CVI Visual Basic and C or C Celsius pin or wire lead on the multiplexer to which you apply or from which you read the analog or digital signal Signals can be single ended or differential
29. ntistatic package to a metal part of your SCXI chassis before removing the module from the package Remove the module from the package and inspect the module for loose components or any other sign of damage Notify National Instruments if the module appears damaged in any way Do not install a damaged module into your SCXI chassis Never touch the exposed pins of connectors to avoid possible electrostatic discharge 1 2 www ni com Chapter 1 Installing and Configuring the SCXI 119X Installing the SCXI 119X Module into an SCXI Chassis You need the following items to complete the installation e SCXI 119X module e SCXIchassis Follow these steps to install your SCXI 119X module into an SCXI chassis while referring to Figure 1 1 1 Slot 1 4 Slot4 7 SOCXI 119X SCXI 1191 Shown 2 Slot2 5 SCXI Chassis 8 SCXI Module Thumbscrews 3 Slot 3 6 SCXI Chassis Power Switch Figure 1 1 Installing the SCXI 119X into an SCXI Chassis 1 Turn off the computer that contains device or computer based instrument or disconnect the computer from your SCXI chassis 2 Turn off the SCXI chassis Caution Do not insert the SCXI 119X module into a chassis that is turned on as doing so could damage the module 3 Remove the protective plastic caps from the module s thumbscrews so that the module will insert correctly National Instruments Corporation 1 3 SCXI 1190 1191 User Manual Chapter 1 Installing and
30. odules connected to the SCXI backplane National Instruments is not liable for any damages or injuries resulting from exceeding maximum voltage ratings Refer to Appendix A Specifications for specific information N Caution Always disconnect all signals from the front connectors and power down the SCXI chassis before removing the SCXI 119X from the chassis Observe electrostatic discharge handling precautions during and after removal of the module or when connecting and disconnecting signals on the front panel Contact Protection N Caution The contacts of the relay are rated for a life of 5 x 10 mechanical operations when operated with no signal or a very small signal present At full rated power of 1 A at 24 VDC for the SCXI 1190 or of 30 VDC at 1 3 ADC for the SCXI 1191 the life of the switch is downgraded to 100 000 operations If your setup allows it is always best to turn off the input signals connected to the switch module during the switching operation to avoid contact arcing within the switch Switching large inductive loads can also cause contact arcing In such instances install a flyback diode or varistor across the inductance to protect the switch National Instruments Corporation 2 3 SCXI 1190 1191 User Manual Chapter 2 Using the SCXI 119X Connecting Signals The SCXI 1190 has push on SMB connectors and the SCXI 1191 has screw on SMA connectors as shown in Figure 2 2 NATIONAL NATIONAL INSTRUMENTS INSTR
31. or computer based instrument select a chassis address of zero which is the factory default setting of all SCXI chassis If you are using multiple chassis refer to your SCXI chassis user manual for further information c Forremote SCXI chassis such as the SCXI 2000 or a SCXI chassis using SCXI 2400 modules you also need to select the Baud Rate and COM Port d After completing the chassis configuration click Next National Instruments Corporation 1 7 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X You now have the choice of automatically detecting which modules are installed in the chassis or manually adding them e Ifyou have just added the chassis to Devices and Interfaces you can automatically detect new modules e Ifthe chassis was already listed in Devices and Interfaces you must manually add new modules Go to the appropriate section that follows to continue the software configuration of your chassis If you need further help during the configuration process open Measurement amp Automation Help by selecting Help Help Topics in your Measurement amp Automation Explorer window Auto Detecting Modules If you selected auto detect you must have your chassis connected to your DAQ device or computer based instrument except in the case of a remote chassis which you should connect to the computer using a serial port cable Before auto detecting modules refer to the Connecting the
32. orporation 1 9 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X Your SCXI chassis and SCXI module s should now be configured properly If your configuration is complete test the system as described in the Self Test Verification section to ensure that your SCXI system is communicating properly with the device Self Test Verification To test the successful configuration of your system complete the following steps 1 Double click the Measurement amp Automation Explorer icon on your PC desktop 2 Verify that the chassis power is on and that the chassis is correctly connected to a DAQ device or computer based instrument 3 Display the list of devices and interfaces by clicking the next to Devices and Interfaces 4 From the list that appears locate the chassis you want to test Right click on the chassis and select Test 5 Ifthecommunication test is successful a message The chassis has been verified appears Click OK If the communication test is unsuccessful refer to the Troubleshooting Self Test Verification section Your SCXI system should now operate properly with your ADE software If you experience problems between your SCXI system and your ADE refer to the Troubleshooting Self Test Verification section Additionally you may find it helpful to refer to your NI SWITCH documentation your ADE software documentation and your chassis documentation National Instruments documentation is av
33. provides technical support telephone numbers for you to use if you have trouble connecting to our Web site or if you do not have internet access NI Web Support To provide you with immediate answers and solutions 24 hours a day 365 days a year National Instruments maintains extensive online technical support resources They are available to you at no cost are updated daily and can be found in the Technical Support section of our Web site at www ni com support Online Problem Solving and Diagnostic Resources e KnowledgeBase A searchable database containing thousands of frequently asked questions FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback e Troubleshooting Wizards Step by step guides lead you through common problems and answer questions about our entire product line Wizards include screen shots that illustrate the steps being described and provide detailed information ranging from simple getting started instructions to advanced topics e Product Manuals A comprehensive searchable library of the latest editions of National Instruments hardware and software product manuals e Hardware Reference Database A searchable database containing brief hardware descriptions mechanical drawings and helpful images of jumper settings and connector pinouts e Application Notes A libr
34. rformance characteristics online problem solving and diagnostic A 4 to A 6 resources C 1 software related resources C 2 T Worldwide technical support C 2 technical support resources C 1 to C 2 troubleshooting common problems B 1 to B 2 National Instruments Corporation I 3 SCXI 1190 1191 User Manual
35. rrors are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonabl
36. scribe how to install your SCXI 119X software 1 Install your ADE if you have not already done so Refer to your ADEs documentation for the software installation instructions National Instruments Corporation 1 1 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X Install the NI SWITCH software that came on a CD with your SCXI 119X The CD includes the software required to configure and to program your SCXI 119X module a Insert your National Instruments NI SWITCH software CD into the CD ROM drive b Click Install in the installation window that will appear automatically Note If the installation window does not appear double click the My Computer icon on your PC desktop Find the CD drive and double click it In the CD directory double click install exe Installing the Hardware The following section describes how to unpack install and connect your SCXI 119X for use with an SCXI chassis UN Caution Make sure you read and understand all the safety information in this manual before you install an SCXI module Unpacking Your SCXI 119X module is shipped in an antistatic package to prevent electrostatic discharge damage to the module Electrostatic discharge can damage several components on the module To avoid damaging the module take the following precautions SCXI 1190 1191 User Manual Ground yourself through a grounding strap or by holding a grounded object Touch the a
37. sis according to their installation instructions You must select one of the modules in the chassis to be the cabled module the module to which the SCXI cable assembly will be connected If the chassis contains at least one SCXI 1140 module select an SCXI 1140 as the cabled module otherwise select one of the remaining modules 1 4 www ni com Chapter 1 Installing and Configuring the SCXI 119X To connect the chassis to a DAQ device for multiplexed operation complete the following steps while referring to Figure 1 2 1 National Instruments Corporation Turn off both the SCXI chassis and the computer that contains the DAQ device or computer based instrument Insert the cable adapter into the back of the SCXI chassis aligned with the module that is to be connected to the DAQ device or computer based instrument See your cable assembly s installation guide for more specific information Connect the cable to the back of the cable adapter ensuring that the cable fits securely Connect the other end of the cable to the DAQ device or computer based instrument that you will use to control the SCXI system Check the cable installation making sure the connectors are securely fastened at both ends Turn on the SCXI chassis Turn on the computer If you have already installed the appropriate software you are ready to configure the SCXI 119X If you have not installed the appropriate software refer to the Installing the Soft
38. t installed and used in strict accordance with the instructions in this manual and the CE Mark Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC FOR HOME OR OFFICE USE Changes or modifications not expressly approved by National Instruments could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur
39. tion describes how to remove the SCXI 119X from an SCXI chassis Removing the SCXI 119X from an SCXI Chassis Make sure you read and understand all the safety information in this manual before you remove an SCXI module You need the following items to complete this task e SCXI chassis with the SCXI 119X module s installed 1 4 in flathead screwdriver Consult the documentation for your SCXI or PXI if you are using a combination chassis chassis and accessories for additional instructions and warnings To remove the SCXI 119X module from an SCXI chassis follow these steps while referring to Figure 1 3 1 Remove all signals connected to the SCXI 119X 2 Turn off the SCXI chassis power UN Caution Do not remove the SCXI 119X module from a chassis that is turned on as doing so could damage the module 3 Rotate the thumbscrews securing the SCXI 119X to the chassis counter clockwise until they are loose but do not completely remove the thumbscrews 4 Remove the SCXI 119X by pulling steadily on both thumbscrews until the module slides completely out SCXI 1190 1191 User Manual 1 12 WWW ni com Chapter 1 Installing and Configuring the SCXI 119X 1 SOCXI Chassis Power Switch 3 SCXI 119X SCXI 1191 Shown 2 SOXI Chassis 4 SOXI Module Thumbscrews Figure 1 3 Removing the SCXI 119X Removing the SCXI 119X from Measurement amp Automation Explorer To remove a module from Measurement amp Au
40. to 1 13 RF multiplexer expanding 2 6 RF performance characteristics SCXI 1190 A 2 SCXI 1190 1191 User Manual 1 2 SCXI 1191 4 to 6 RF sources multiplexing to 2 5 RF switching precautions 2 3 S safety instructions 2 2 to 2 3 SCXI chassis installing SCXI 119X into 1 3 to 1 4 removing SCXI 119X from 1 12 to 1 13 SCXI 119X block diagram 2 2 common questions B 1 to B 2 configuration and self test 1 7 to 1 11 connecting signals 2 4 to 2 6 contact protection 2 3 functional overview 2 1 to 2 2 installation 1 2 to 1 7 overview 1 1 RF switching precautions 2 3 safety instructions 2 2 to 2 3 specifications SCXI 1190 A 1 to A 3 SCXI 1191 A 4 to A 5 self test verification 1 10 troubleshooting 1 10 to 1 11 signal connections 2 4 to 2 6 expanding RF multiplexer 2 6 multiplexing to RF sources 2 5 SMA and SMB connectors figure 2 4 software installation 1 1 to 1 2 software related resources C 2 specifications SCXI 1190 A 1 to A 3 certifications and compliances A 3 dynamic characteristics A 2 to A 3 environment A 3 input characteristics A 1 physical A 3 power requirement A 3 RF performance characteristics A 2 WWW ni com Index SCXI 1191 A 4 to A 5 V unc OURS ae Voltage Standing Wave Ratio VSWR B 2 dynamic characteristics A 5 environment A 5 input characteristics A 4 W physical A 5 Web support from National Instruments power requirement A 5 C 1 to C 2 RF pe
41. tomation Explorer complete the following steps 1 Double click the Measurement amp Automation Explorer icon on your PC desktop 2 Display the list of installed devices and interfaces by clicking the next to Devices and Interfaces 3 Locate the chassis in the list of installed devices Display the list of modules in the chassis by clicking the next to Chassis 4 Right click on the module or chassis you want to delete and select Delete 5 You will be presented a confirmation window Click Yes to continue deleting the module or chassis or No to cancel this action National Instruments Corporation 1 13 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X 5 Note Deleting an SCXI chassis deletes all modules in the chassis All configuration information for these modules is also lost Your SCXI chassis and or SCXI module s should now be removed from the list of installed devices in Measurement amp Automation Explorer SCXI 1190 1191 User Manual 1 14 www ni com Using the SCXI 119X This chapter contains a functional overview safety instructions and connection possibilities of the SCXI 119X multiplexer module Functional Overview The SCXI 119X modules are general purpose quad 4 channel high bandwidth multiplexing switches The SCXI 1190 uses single pole double throw high bandwidth relays capable of switching signals from DC to 1 3 GHz Functionally identical the SCXI 1191 has a
42. ules 1 Inthe auto detect window select No under Auto Detect Modules and click Finish 2 Display the list of devices and interfaces by clicking the next to Devices and Interfaces 3 The chassis you added is now displayed in the list Display the list of modules in the chassis by clicking the next to the Chassis name 4 Right click on the appropriate physical installation slot and select Insert Note When looking at the front of the SCXI chassis slot 1 is the left most slot 5 Select the module installed in that slot and click Next 5 Note Ifthe appropriate module name does not appear on the list you may be using an old version of NI DAQ the data acquisition driver software You can download the latest version of NI DAQ for free at www ni com 6 Configure your module as follows e fthe selected module is physically connected to a National Instruments DAQ device or computer based instrument select that device by using the Connected to control If you want this device to control the chassis confirm that the checkbox labeled This device will control the chassis is checked e Ifthe selected module is not connected to a National Instruments DAQ device or computer based instrument select none In the Operating Mode box select Multiplexed Mode 7 Click Finish If you need to manually install more SCXI 119X modules in your chassis repeat steps 3 through 6 to configure each module National Instruments C
43. ware section 1 5 SCXI 1190 1191 User Manual Chapter 1 Installing and Configuring the SCXI 119X 2 Cable Adapter 1 SOXI Chassis Power Switch 3 Cable 4 DAQ Device or Computer Based Instrument Figure 1 2 Connecting an SCXI Chassis to a DAQ Device or Computer Based Instrument Connecting the SCXI 119X to a DAQ Device in a PXI Combination Chassis SCXI 1190 1191 User Manual To connect the SCXI 119X to a DAQ device in a PXI combination chassis such as the PXI 1010 or PXI 1011 you need the following items e PXI combination chassis with the SCXI modules installed e National Instruments PXI MIO DAQ device or a computer based instrument that is capable of controlling SCXI installed in the right most slot of the PXI section of the combination chassis A PXI combination chassis can use both SCXI and PXI modules at the same time Because the connection between the SCXI backplane and the PXI backplane is made through a local bus interface to a PXI multifunction I O module installed in the right most slot no external cabling is needed to connect one PXI multifunction I O module to the SCXI bus 1 6 www ni com Chapter 1 Installing and Configuring the SCXI 119X You should have already installed your SCXI 119X module and any other SCXI modules in the chassis according to their installation instructions To use the SCXI 119X module with a DAQ device or computer based instrum
44. y receipts or other documentation National Instruments will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical errors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult National Instruments if e
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