SCXI-1190/1191/1192 User Manual
Contents
1. Switch 2 Switch 3 502 l Switch 5 d dla Switch 4 Switch 6 Switch 7 502 Figure 2 7 Expanding the SCXI 1192 National Instruments Corporation 2 9 SCXI 1190 1191 1192 User Manual Specifications This appendix lists the specifications for the SCXI 1190 the SCXI 1191 and the SCXI 1192 multiplexer modules These specifications are typical at 25 C unless otherwise noted SCXI 1190 Input Characteristics Number of banks cccccceeeseeeseeeeeee 4 Number of channels per bank 4 Common mode voltage Channel to earth eee 24 Vims or DC Maximum switching voltage AG esis ee iti S 1 Ams at 24 Vims i DI OA E ES E E 1 ADC at 24 VDC Maximum switching power per channel esseseeseeseseeeeeseeeeee 24 W Contact on resistance initial 100 mQ max Contact material cccsceeesseeeeteeees Gold clad silver National Instruments Corporation A 1 SCXI 1190 1191 1192 User Manual Appendix A Specifications for SCXI 1190 RF Performance Characteristics Characteristic impedance Zp Insertion loss at VSWR at S100 MHZ ana S500 MHZ eisiisteeinc alii ases Signal delay sicsce cesissisvestestesvevdetesettiesitees Maximum RF carry power at 900 MHZ cccceceeeeeeeeeeseeeeeees nye Note Refer to the cautions and warning in Chapter 2 Using the SCXI 119X for important information abou2. 2 Common mode voltage Channel to earth eeeeseeeeeee 30 Vms or DC Maximum switching voltage 1 3 GHZ incra 120 W 3 8 GHZ ea KS 80 W 8 12 4 GHZ oiia 60 W 124 18 GHZna nnii 50 W Contact on resistance initial 100 mQ max Contact material Gold plate RF Performance Characteristics Characteristic impedance Zo e 50 Q Insertion loss at SAGE ese ci oles evs Gosia esheets ERE lt 0 2 dB 40 8 GHZ nienia in lt 0 3 dB 8 to 12 4 GHZ orereta lt 0 4 dB 12 4 to 18 GHZ iiinn lt 0 5 dB VSWR at 1 GH raanco maoine lt 1 1 LO 4 GHZ sj issectes dteeeettepereetiadeacneeais lt 1 15 A078 GHZ eid esata lt 1 25 SCXI 1190 1191 1192 User Manual A 8 ni com Appendix A Specifications for SCXI 1192 8 to 12 4 GHZ eeecteesecesteceeeeeees lt 1 35 12 4 to 18 GHZ lt 1 5 Isolation SP GU Ziti ichsniamieiecniisics lt 85 dB 10 4 GHZ isvcsises cczcsvscssvivssssesseeveneess lt 80 dB AOS GHZ iorra lt 70 dB 8 to 12 4 GHZ rererere lt 65 dB 12 4 to 18 GHZ lt 60 dB ay Note Refer to the cautions and warning in Chapter 2 Using the SCXI 119X for important information about using your SCXI 1192 with high power signals Dynamic Characteristics Relay operate time at 20 C LY picall sssesesssssesseatdeseranieneine s 15 ms Relay release time at 20 C Typical sgeine less 15 ms Expected life Mechanical no load eee 5 x 10 operations Electrical a
3. Chapter 2 Using the SCXI 119X Expanding the RF Multiplexer Figure 2 6 shows how to expand the SCXI 1190 1191 by cascading stages together In the specific case of Figure 2 6 the module is used to create a 13 to 1 multiplexer with a two stage architecture You can cascade several modules to provide even larger multiplexers 3 Note Cascading multiplexers increases insertion loss creates propagation delays and can have other RF effects comA MUX 3A 2A 1A OA comD comC comB MUX BEY iw MUX er MUX d ive B SCXI 1190 1191 1192 User Manual Figure 2 6 Expanding the SCXI 1190 1191 ni com Chapter 2 Using the SCXI 119X Figure 2 7 shows one possible expansion using two SCXI 1192 modules In this case the switches on two SCXI 1192 modules are interconnected to create a 2 x 4 matrix Multiple configurations are possible using one or more SCX I 1192 modules ay Note Cascading switches increases insertion loss creates propagations delays and can have other RF effects RF RF RF RF Source 1 Source 2 Source 3 Source 4 Switch 0 Switch 2 Switch 4 Switch 6 Switch 1 4 Switch 3 Switch 5 Switch 7 0B com B Pean Switch 0 Switch 1
4. SCXI 1190 A 1 to A 4 certifications and compliances A 4 dynamic characteristics A 2 to A 3 electromagnetic compatibility A 3 environment A 3 input characteristics A 1 physical A 3 power requirement A 3 RF performance characteristics A 2 safety A 4 SCXI 1191 A 5 to A 7 certifications and compliances A 7 dynamic characteristics A 6 National Instruments Corporation Index electromagnetic compatibility A 7 environment A 7 input characteristics A 5 physical A 6 power requirement A 6 RF performance characteristics A 5 to A 6 safety A 7 SCXI 1192 A 8 to A 10 dynamic characteristics A 9 electromagnetic compatibility A 10 environment A 10 input characteristics A 8 physical A 9 power requirements A 9 RF performance characteristics A 8 to A 9 safety A 10 system integration by National Instruments C 1 T technical support resources C 1 to C 2 troubleshooting common problems B 1 to B 2 V Voltage Standing Wave Ratio VSWR B 2 W Web support from National Instruments C 1 Worldwide technical support C 2 SCXI 1190 1191 1192 User Manual
5. The reset mode of the SCXI 1192 connects NC to COM for all relays Because it uses latching relays the SCXI 1192 does not have a specific power up state Its relays will retain their state if they lose power National Instruments Corporation 2 5 SCXI 1190 1191 1192 User Manual Chapter 2 Using the SCXI 119X Multiplexing to RF Sources Figure 2 4 shows how to use the SCXI 1190 1191 to select one of four RF sources to be routed to a RF measurement device Pinsteue INSTRUMENTS RF Source ae a5 1 al RF Source 2 om RF Measurement Device e Scope e Spectrum Analyzer e Power Meter RF Source 3 COE RF Source 4 1 3 GHz Quad 4 Channel 509 Multiplexer D Figure 2 4 Connecting the SCXI 1190 1191 SCXI 1190 1191 1192 User Manual 2 6 ni com Chapter 2 Using the SCXI 119X Figure 2 5 shows how to use the SCXI 1192 to route signals from two RF sources to one RF measurement device RF Source 1 RF Source o7 NATIONAL INSTRUMENTS SCXI 1192 oz oz N oz 00 G50G00000 C6 060060064 8 Channel 18 GHz 502 SPDT Relay H APY RF Measurement Device e Scope e Spectrum Analyzer e Power Meter National Instruments Corporation Figure 2 5 Connecting the SCXI 1192 2 7 SCXI 1190 1191 1192 User Manual
6. date of shipment as evidenced by 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 co
7. 119X This manual describes the electrical and mechanical characteristics of the SCXI 1190 quad 1 x 4 50 Q 1 3 GHz bandwidth and SCXI 1191 quad 1 x 4 50 Q 4 GHz bandwidth multiplexer modules and the SCXI 1192 8 channel SPDT 50 Q 18 GHz bandwidth relay module for the SCXI bus It also contains information concerning their installation operation and safety instructions 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 modules The SCXI 1190 1191 modules are general purpose quad 4 channel high bandwidth multiplexing switches The SCXI 1192 module is a general purpose 8 channel SPDT high bandwidth relay module The SCXI 119X modules use single pole double throw high bandwidth relays capable of switching signals from DC to 1 3 GHz bandwidth SCXI 1190 from DC to 4 GHz bandwidth SCXI 1191 and from DC to 18 GHz bandwidth SCXI 1192 The characteristic impedance of the channels is 50 Q For the SCXI 1190 the maximum rated voltage of the switch is 24 V and the maximum rated current is 1 A at 24 V For the SCXI 1191 the maximum rated voltage of the switch is 30 V and the maximum rated current is 0 33 A at 30 V For the SCXI 1192 the maximum rated voltage of the switch is 30 V and the maximum rated current is 2 A at 30 V See Appendix A Specifications for full specif
8. Declaration of Conformity at http www ni com hardref nsf This website lists the DoCs by product family Select the appropriate product family followed by your National Instruments Corporation A 3 SCXI 1190 1191 1192 User Manual Appendix A Specifications for SCXI 1190 product and a link to the DoC in Adobe Acrobat format appears Click the Acrobat icon to download or read the DoC Safety Designed in accordance with IEC 61010 1 UL 3111 1 and CAN CSA C22 2 No 1010 1 for electrical measuring and test equipment Installation category II Pollution degree 2 Certifications and Compliances CE Mark Compliance C See the Declaration of Conformity sheet accompanying product 1 Category II refers to local level power distribution such as that provided by a standard wall outlet SCXI 1190 1191 1192 User Manual A 4 ni com Appendix A Specifications for SCXI 1191 SCXI 1191 Input Characteristics Number of banks ccccceeeeeeeeeseeeeees 4 Number of channels per bank 4 Common mode voltage Channel to earth ce eeeeeeeeeeneee 30 Vims or DC Maximum switching voltage Maximum switching capacity per channel Ta O EE E NEE 0 33 Arms at 30 Vims IDI eens 0 33 ADC at 30 VDC Maximum switching power per channel 0 0 0 eee eee 10 W Contact on resistance initial 200 mQ max Contact material ceesceeesseeeeseeees Gold RF Performance Characteristics Ch
9. noncondensing Electromagnetic Compatibility EMC EMI ecien niana CE C Tick and FCC Part 15 Class A Compliant Electrical EMISSIONS ccceeeeeseeeeeeees EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical IMMUNITY eee eect eeteees Evaluated to EN 61326 1 1997 A1 1998 Table 1 3 Note For full EMC and EMI compliance you must operate this device with shielded cabling See the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product click Declaration of Conformity at http www ni com hardref nsf This website lists the DoCs by product family Select the appropriate product family followed by your product and a link to the DoC in Adobe Acrobat format appears Click the Acrobat icon to download or read the DoC Safety Designed in accordance with IEC 61010 1 UL 3111 1 and CAN CSA C22 2 No 1010 1 for electrical measuring and test equipment Installation category II Pollution degree 2 Certifications and Compliances CE Mark Compliance C See the Declaration of Conformity sheet accompanying product 1 Category II refers to local level power distribution such as that provided by a standard wall outlet National Instruments Corporation A 7 SCXI 1190 1191 1192 User Manual Appendix A Specifications for SCXI 1192 SCXI 1192 Input Characteristics Number of relays osese 8 Number of channels per relay
10. the package UN Caution Never touch the exposed pins of connectors Remove the module from the package and inspect the module for loose components or any sign of damage Notify National Instruments if the module appears damaged in any way Do not install a damaged module into your computer Store your SCXI 119X module in the antistatic envelope when not in use Installing the SCXI 119X Module into an SCXI Chassis You need the following items to complete the installation e SCXI 119X module e SCXI chassis SCXI 1190 1191 1192 User Manual 1 4 ni com Chapter 1 Installing and Configuring the SCXI 119X Follow these steps to install your SCXI 119X module into an SCXI chassis while referring to Figure 1 1 and your chassis documentation 1 Slot 1 5 SCXI Chassis SCXI 1000 Shown 2 Slot2 6 SCXI Chassis Power Switch 3 Slot3 7 SCXI 119X SCXI 1190 Shown 4 Slot4 8 SCXI Module Thumbscrews Figure 1 1 Installing the SCXI 119X into an SCXI Chassis 1 Turn off the computer that contains the DAQ 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 powered on because doing so could damage the module 3 Remove the protective plastic caps from the thumbscrews of the module so that the module will insert correctly 4 Insert the SCXI 119X module into slot 1 Gently guide the mo
11. then 10 mVp p will be seen on the adjacent channel in addition to the signal already on the channel Higher channel to channel isolation results in lower crosstalk SCXI 1190 1191 1192 User Manual B 2 ni com Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation configuration and application problems and questions Online problem solving and diagnostic resources include frequently asked questions knowledge bases product specific troubleshooting wizards manuals drivers software updates and more Web support is available through the Technical Support section of ni com NI Developer Zone The NI Developer Zone at ni com zone is the essential resource for building measurement and automation systems At the NI Developer Zone you can easily access the latest example programs system configurators tutorials technical news as well as a community of developers ready to share their own techniques Customer Education National Instruments provides a number of alternatives to satisfy your training needs from self paced tutorials videos and interactive CDs to instructor led hands on courses at locations around the world Visit the Customer Education section of ni com for online course schedules syllabi training centers and class registration System Integration If you have time constraints limited in house technical resources or other d
12. used in manual vi customer education C 1 National Instruments Corporation D DAQ device See connecting SCXI 119X to DAQ device dynamic characteristics SCXI 1190 A 2 to A 3 SCXI 1191 A 6 SCXI 1192 A 9 E electromagnetic compatibility SCXI 1190 A 3 SCXI 1191 A 7 SCXI 1192 A 10 environment specifications SCXI 1190 A 3 SCXI 1191 A 7 SCXI 1192 A 10 expanding RF multiplexer 2 8 to 2 9 F functional overview 2 1 to 2 3 H hardware installation See installation l input characteristics SCXI 1190 A 1 SCXI 1191 A 5 SCXI 1192 A 8 SCXI 1190 1191 1192 User Manual Index installation 1 2 to 1 8 connecting SCXI 119X to DAQ device DAQ device or computer based instrument 1 6 to 1 8 in PXI combination chassis 1 8 removing SCXI 119X 1 13 to 1 14 from Measurement amp Automation Explorer 1 14 from SCXI chassis 1 13 to 1 14 into SCXI chassis 1 4 to 1 6 software installation 1 2 to 1 3 unpacking 1 4 isolation defined B 2 Measurement amp Automation Explorer MAX auto detecting modules 1 9 to 1 10 configuration procedure 1 9 manually adding modules 1 10 removing SCXI 119X 1 14 self test verification 1 11 troubleshooting 1 11 to 1 12 multiplexing expanding RF multiplexer 2 8 to 2 9 multiplexing to RF sources 2 6 to 2 7 NI Developer Zone C 1 NI SWITCH software 1 2 P physical specifications SCXI 1190 A 3 SCXI 1191 A 6 SCXI 1192 A 9 SCXI 1190 1191 1192 User Ma
13. 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X 5 Check the cable installation making sure the connectors are securely fastened at both ends Power on the SCXI chassis Power on the computer 8 Ifyou 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 nstalling the Software section Connecting the SCXI 119X to a DAQ Device in a PXI Combination Chassis 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 T 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 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 instrument in a PXI combina
14. 6 Connecting the SCXI 119X to a DAQ Device in a PXI Combination Chassis eee eecescesecssceseceeceseesecseessecsseeeesseeaeesseeseenes 1 8 Configuring and Self Testing the SCXI 119X oe ceeeeecseenseeneeeseeeeeaseneeaes 1 9 Auto Detecting Modules 0 eee eee esceseesscesecseeeseceeseeecsecsaeseesseeeseaeeseeegs 1 9 Manually Adding Modules eeseessceceeseceseeseceeeesesseeeseesseeasenseeaeenes 1 10 Self Test Verification ennem a e E e E A ERE S 1 11 Troubleshooting Self Test Verification cece csecesesseceseeseeeeeeeesseeaeenes 1 11 Removing the SCXI LIOX oii hohe a esas head vlad EE TEG 1 13 Removing the SCXI 119X from an SCXI Chassis eee eeeeeeeeeeeeeeeeees 1 13 Removing the SCXI 119X from MAX eee eeeeseceeetseesseeaeenseeaeeneeaes 1 14 Chapter 2 Using the SCXI 119X Function aliQvVerview x icccasecnssssevveczets ore ana A E E ERER E 2 1 RF Switching Precautions noira a a a E A 2 3 Contact Protec tOo a esar e opens E E EEEE E ENEE EE AE OEE eee 2 4 Connecting Signals wariri enna e a E dates el at E E a E a 2 5 Multiplexing to RF SOUrCE Seo raar E O R AEA 2 6 Expanding the RF Multiplexer o oo eee seeceesseeesecseeeaeceeeaeeseeneeeaeenaes 2 8 Appendix A Specifications Appendix B Common Questions National Instruments Corporation vii SCXI 1190 1191 1192 User Manual Contents Appendix C Technical Support Resources Glossary Index SCXI 1190 1191 1192 User Manual viii ni com Installing and Configuring the SCXI
15. For DAQ devices this slot is the slot cabled to the DAQ device Select the module that is intended for that slot and click Next 5 You are now given the option to make this the module that controls the chassis Select the DAQ device or computer based instrument you cabled to the chassis using the Connected to control Confirm that there is a check in the checkbox labeled This device will control the chassis and click Next 6 You are presented with a series of properties for the module Select the appropriate values for the attributes and click Next After making your selections click Finish You are now finished configuring the slot Configure the rest of your modules in the same manner To remove a module or chassis right click on the chassis or module you want to remove and select Delete To test the chassis configuration right click on the chassis and select Test SCXI 1190 1191 1192 User Manual 1 10 ni com Self Test Verification Chapter 1 Installing and Configuring the SCXI 119X 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 Expand Devices and Interfaces 4 From the list of devices and interfaces that appears locate the chassis you want to test Right click on the
16. ITORING OR CONTROL DEVICES TRANSIENT 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
17. Instrumentation radio frequency a switch that connects or disconnects the signal to a common through the physical movement of 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 volts volts direct current volts peak to peak SCXI 1190 1191 1192 User Manual Glossary V iis volts root mean square VSWR Voltage Standing Wave Ratio W W watts SCXI 1190 1191 1192 User Manual G 4 ni com Index A auto detection of modules 1 9 to 1 10 block diagrams SCXI 1190 1191 2 2 SCXI 1192 2 2 C certifications and compliances SCXI 1190 A 4 SCXI 1191 A 7 common questions B 1 to B 2 configuration 1 9 to 1 12 auto detecting modules 1 9 to 1 10 manually adding modules 1 10 procedure for 1 9 self test verification 1 11 troubleshooting self test verification 1 11 to 1 12 connecting SCXI 119X to DAQ device DAQ device or computer based instrument 1 6 to 1 8 in PXI combination chassis 1 8 connecting signals 2 5 to 2 9 expanding RF multiplexer 2 8 to 2 9 multiplexing to RF sources 2 6 to 2 7 SMA and SMB connectors figure 2 5 contact protection 2 4 conventions
18. SCX SCXI 1190 1191 1192 User Manual Qr NATIONAL p INSTRUMENTS February 2001 Edition Part Number 322610B 01 Worldwide Technical Support and Product Information 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 Ottawa 613 233 5949 Canada Qu bec 514 694 8521 China Shanghai 021 6555 7838 China ShenZhen 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 5 280 7625 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 2001 National Instruments Corporation All rights reserved Important Information Warranty The SCXI 1190 SCXI 1191 and SCXI 1192 are warranted against defects in materials and workmanship for a period of one year from the
19. aracteristic impedance Zo s 50 Q Insertion loss at L 2S GA Zeui e EEE lt 0 6 dB L4 GHZ oa ee ahs lt 0 9 dB VSWR at 2D GHZ rere t A EE lt 1 3 AGH Zinat a R lt 1 5 National Instruments Corporation A 5 SCXI 1190 1191 1192 User Manual Appendix A Specifications for SCXI 1191 Isolation SDS GHZ sitsit itea lt 60 dB SA GHZ enne aa lt 55 dB Maximum RF carry power at 900 MHZ esi isiingie 10 W B 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 seie eiir REVR 15 ms Relay release time at 20 C Typical anea 15 ms Expected life Mechanical no load ccecees 5 x 10 operations Electrical at maximum switching capacity oes 105 operations Caution Exceeding the maximum switching capability decreases the expected life of the SCXI 1191 Power Requirement 5 VDC Maximum all relays closed 950 mW Physical Dimensions 362265 sacviseseteccesdeeiae see veeeeonss 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in O connector oo eee eeeeeeeeeeereeeeeeeees 5 SMA female per bank 4 banks SCXI 1190 1191 1192 User Manual A 6 ni com Appendix A Specifications for SCXI 1191 Environment Operating temperature ee 0 to 50 C Storage temperature eee 20 to 70 C Relative humidity eee 10 to 90
20. chassis and select Test If the communication test is successful a message The chassis has been verified appears 5 Click OK i Note 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 available to download free at ni com manuals Troubleshooting Self Test Verification If the preceding test did not verify your chassis configuration take the following steps to successfully complete system configuration National Instruments Corporation If you get the warning message Unable to test chassis at this time verify that you have designated a module as being 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 Expand Devices and Interfaces Expand your SCXI chassis to show all the SCXI modules d Right click the module that is connected to your DAQ device or computer based instrument and select Properties 1 11 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Confi
21. dule 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 National Instruments Corporation 1 5 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X B Note When installing the SCXI 119X module in an SCXI chassis fill slot 1 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 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 for more information SCXI cable assembly which consists of a cable adapter and a cable An installed National Instruments DAQ device or computer based instrument such as the NI 4060 that is able to control the SCXI chassis 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 in
22. es or other events outside reasonable 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 CVI LabVIEW National Instruments ni com NI DAQ PXI SCXI and VirtualBench 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 MON
23. es and uses radio frequency energy and if not 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 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 FOR HOME OR OFFICE USE 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 exigence
24. guring the SCXI 119X SCXI 1190 1191 1192 User Manual e Change the Connected to selection from None to Connected to Device x If you get the warning message Failed to 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 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 Make sure you are using the correct National Instruments cable assembly Test your DAQ device or computer based instrument to verify it is working properly Refer to 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 a 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 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 a Check to see if the configured module is installed in the specified slot If not install the module b
25. ications National Instruments Corporation 1 1 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X 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 To install software for the SCXI 119X complete the following 1 Insert your NI SWITCH software CD into your CD ROM drive The installation window should appear automatically ny 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 setup exe The NI SWITCH and NI DMM installation window offers three choices e Install NI DMM Choose this selection if you want to install only the DMM software Install NI SWITCH Choose this selection if you want to install only the switches software Install NI SWITCH and NI DMM Choose this selection if you want to install both the DMM and switches software 2 Click the Install NI SWITCH option 3 To install the instrument driver VirtualBench and application development examples choose Programmatic and Interactive Support To install only the instrument driver files for VirtualBench choose Interactive Support Only ays Note Choosing Interactive Support Only does not allow you to program the ins
26. ilemmas you may prefer to employ consulting or system integration services You can rely on the expertise available through our worldwide network of Alliance Program members To find out more about our Alliance system integration solutions visit the System Integration section of ni com National Instruments Corporation C 1 SCXI 1190 1191 1192 User Manual Appendix C Technical Support Resources Worldwide Support National Instruments has offices located around the world to help address your support needs You can access our branch office Web sites from the Worldwide Offices section of ni com Branch office Web sites provide up to date contact information support phone numbers e mail addresses and current events If you have searched the technical support resources on our Web site and still cannot find the answers you need contact your local office or National Instruments corporate Phone numbers for our worldwide offices are listed at the front of this manual SCXI 1190 1191 1192 User Manual C 2 ni com Glossary Prefix Meanings Value n nano 10 m milli 10 3 M mega 106 G giga 10 Symbols degrees Q ohms percent A A amperes AC alternating current ADC amperes direct current ADE application development environment such as LabVIEW LabWindows CVI Visual Basic and C or C Arms amperes root mean square C C channel Celsius pin or wire lead on the switch t
27. ink to the DoC in Adobe Acrobat format appears Click the Acrobat icon to download or read the DoC Safety Designed in accordance with IEC 61010 1 UL 3111 1 and CAN CSA C22 2 No 1010 1 for electrical measuring and test equipment Installation category II Pollution degree 2 1 Category II refers to local level power distribution such as that provided by a standard wall outlet SCXI 1190 1191 1192 User Manual A 10 ni com Common Questions This appendix addresses common questions you may have while using your SCXI 119X switching 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 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 e 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 examp
28. l 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 A Warning Do not exceed the channel to ground rating of 24 V ms or DC on the SCXI 1190 30 Vims or DC for the SCXI 1191 or 30 Vms or DC for the SCXI 1192 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 modules connected to the National Instruments Corporation 2 3 SCXI 1190 1191 1192 User Manual Chapter 2 A Using the SCXI 119X 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 Caution Always disconnect all signals from the front connectors and power off 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 A Caution The contacts of the relays are rated for a life of 5 x 106 mechanical operations when operated with no signal or a very small signa
29. l present When high power loads are switched arcing can occur across the relay contacts that will reduce their useful life See Appendix A Specifications for lifetime ratings for each module 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 SCXI 1190 1191 1192 User Manual 2 4 ni com Chapter 2 Using the SCXI 119X Connecting Signals The SCXI 1190 has push on SMB connectors and the SCXI 1191 1192 have screw on SMA connectors as shown in Figure 2 3 NATIONAL NATIONAL NATIONAL INSTRUMENTS ens RUMENTS JiNsTRUMENTS SCXI 1190 SCXI 1191 SCXI 1192 J FN J OOQOQ OOO f FA y JJ K DIK OQ ZN JOE D f ZF Za O O O O 1 3 GHz Quad 4 Channel 509 4 Channel 509 Multiplexer Multiplexer SPDT Relay Figure 2 3 SCXI 1190 SMB Connectors SCXI 1191 1192 SMA Connectors i Note The power up and reset state of the different multiplexer banks on the SCXI 1190 1191 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
30. les 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 operating system interfacing for you All you need to do is make high level calls to these functions from your ADE One of my modules doesn t switch properly anymore What s wrong One of the relays may have worn out Relays are mechanical devices and have a limited switching lifetime Call National Instruments for information on replacing your relays National Instruments Corporation B 1 SCXI 1190 1191 1192 User Manual Appendix B Common Questions 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 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 crosstalk between channels in a bank For example if a 1 Vp p signal is isolated by 40 dB to another channel
31. nce to EEC Directives Readers in the EU 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 15 103 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 bold italic monospace monospace bold SCXI 119X The following conventions are used in this manual The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box 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 a
32. nected to the SCXI 119X UN Caution Do not remove the SCXI 119X module from a chassis that is turned on because 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 Removing the SCXI 119X from Measurement amp Automation Explorer To remove a module from MAX complete the following steps 1 Double click the Measurement amp Automation Explorer icon on your PC desktop 2 Expand Devices and Interfaces Locate the chassis in the list of installed devices 3 Expand Chassis 4 Right click on the module or chassis you want to delete and select Delete 5 You are presented a confirmation window Click Yes to continue deleting the module or chassis or click No to cancel this action Sy 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 MAX SCXI 1190 1191 1192 User Manual 1 14 ni com Using the SCXI 119X This chapter contains a functional overview and connection possibilities of the SCXI 119X modules Functional Overview The SCXI 1190 uses single pole double throw high bandwidth relays capable of switching
33. nsult National Instruments if errors 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 parti
34. nual l 2 power requirement specifications SCXI 1190 A 3 SCXI 1191 A 6 SCXI 1192 A 9 PXI combination chassis connecting with SCXI 119X 1 8 Q questions and answers B 1 to B 2 R reflective switch 2 3 removing SCXI 119X 1 13 to 1 14 from Measurement amp Automation Explorer 1 14 from SCXI chassis 1 13 to 1 14 RF multiplexer expanding 2 8 to 2 9 RF performance characteristics SCXI 1190 A 2 SCXI 1191 A 5 to A 6 SCXI 1192 A 8 to A 9 RF sources multiplexing to 2 6 to 2 7 RF switching precautions 2 3 to 2 4 S safety contact protection 2 4 RF switching precautions 2 3 to 2 4 safety instructions 1 3 safety specifications SCXI 1190 A 4 SCXI 1191 A 7 SCXI 1192 A 10 SCXI chassis installing SCXI 119X into 1 4 to 1 6 removing SCXI 119X from 1 13 to 1 14 ni com SCXI 119X block diagrams 2 2 to 2 3 common questions B 1 to B 2 configuration and self test 1 9 to 1 12 connecting signals 2 5 to 2 9 contact protection 2 4 functional overview 2 1 to 2 3 installation 1 2 to 1 8 overview 1 1 RF switching precautions 2 3 to 2 4 safety instructions 1 3 specifications SCXI 1190 A 1 to A 4 SCXI 1191 A 5 to A 7 SCXI 1192 A 8 to A 10 self test verification procedure for 1 11 troubleshooting 1 11 to 1 12 signal connections 2 5 to 2 9 expanding RF multiplexer 2 8 to 2 9 multiplexing to RF sources 2 6 to 2 7 SMA and SMB connectors figure 2 5 software installation 1 2 to 1 3 specifications
35. o which you apply or from which you read the analog or digital signal Signals can be single ended or differential National Instruments Corporation G 1 SCXI 1190 1191 1192 User Manual Glossary DAQ dB DC device digital multimeter DMM drivers driver software isolation IVI in M MB multiplexer SCXI 1190 1191 1192 User Manual G 2 data acquisition 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 hertz the number of scans read or updates written per second a measure of the amount of cross talk between channels Interchangeable Virtual Instrument inches 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 ni com NI SWITCH PXI RF relay rms SCXI VDC Vp P National Instruments Corporation G 3 Glossary an IVI based instrument driver that supports the National Instruments line of switch cards PCI with eXtensions for
36. 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 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 Trade Name Model Number or the FCC Class B compliance mark that appears as shown here on the right FE Tested to Comply with FCC Standards Consult the FCC web site http www fcc gov for more information FCC DOC Warnings This equipment generat
37. s du R glement sur le mat riel brouilleur 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 e 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 Complia
38. s 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 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 SCXI 1190 module the SCXI 1191 module and the SCXI 1192 module Contents Chapter 1 Installing and Configuring the SCXI 119X About thie SCX ON ie er he entered eea sutey wie Menanseee E A i eo 1 1 Installing the SoftWare sie bed ests ets eed site eels eee 1 2 Safety INStructOns aroetan e E haves coeed sete e EE ENA EEEREN 1 3 Installing th Ha ardWare oo E p Lie See adie 1 3 DEn OELE aT ak E E A A EE E PE ETE E 1 4 Installing the SCXI 119X Module into an SCXI Chassis 0 eee eee 1 4 Connecting the SCXI 119X to a DAQ Device or Computer Based Instrument eee ec eeeeeeseceeeeseeseeeseceeeeaecneeesesseseaeesees 1
39. signals from DC to 1 3 GHz Functionally identical the SCXI 1191 has a bandwidth of DC to 4 GHz The SCXI 1192 module is a general purpose 8 channel high bandwidth relay module it uses single pole double throw high bandwidth relays capable of switching signals from DC to 18 GHz ni com National Instruments Corporation 2 1 SCXI 1190 1191 1192 User Manual Chapter 2 Using the SCXI 119X Figure 2 1 illustrates the key functional components of the SCXI 1190 1191 multiplexer modules m n Rear Signal SCRIBUS Connector bya Relay Controller and Drivers Relay Control Bus comA 3A 2A 1A OA comB 3B 2B 1B OB comC 3C 2C 1C OC comD 3D 2D 1D OD Figure 2 1 SCXI 1190 1191 Modules Block Diagram SCXI 1190 1191 1192 User Manual 2 2 ni com Chapter 2 Using the SCXI 119X Figure 2 2 illustrates the key functional components of the SCXI 1192 relay module Rear Signal ue Connector Relay Controller TERREEE com0 NCO NOO comi NC1 NO1 com2 NC2 NO2 com3 NC3 NO3 com4 NC4 NO4 com5 NC5 NO5 com6 NC6 NO6 com7 NC7 NO7 Figure 2 2 SCXI 1192 Module Block Diagram RF Switching Precautions The SCXI 119X are reflective switches meaning that any channels not switched to the common channe
40. stalled in the chassis according to their installation instructions You must select one of the modules in the chassis as the cabled module the module to which the SCXI cable assembly connects 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 3 Note The SCXI 119X modules operate only in multiplexed mode SCXI 1190 1191 1192 User Manual 1 6 ni com Chapter 1 Installing and Configuring the SCXI 119X To connect the chassis to a DAQ device complete the following steps while referring to Figure 1 2 als 1 SCXI Chassis Power Switch 2 Cable Adapter National Instruments Corporation 3 Cable 4 DAQ Device or Computer Based Instrument Figure 1 2 Connecting an SCXI Chassis to a DAQ Device or Computer Based Instrument Power 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 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 1 7 SCXI 1190
41. t 5 W oaeee 5 x 10 operations to 3 GHz 50 Q VSWR max 1 2 Caution Exceeding these electrical parameters decreases the expected life of the SCXI 1192 Power Requirement 5 VDC Maximum simultaneous transition of all relays 800 mA Physical DIMENSIONS eudessscnsesiesdegdiaeeedvesdees vencetsnes 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in VO sCONDE COR 5252 0ccesyoseceesedecsesieryevinegseds 3 SMA female per relay 8 relays National Instruments Corporation A 9 SCXI 1190 1191 1192 User Manual Appendix A Specifications for SCXI 1192 Environment Operating temperature 0 to 50 C Storage temperature eee 20 to 70 C Relative humidity eee 10 to 90 noncondensing Electromagnetic Compatibility EMC EM1 cccccececeesesesesesessreseeeeeees CE C Tick and FCC Part 15 Class A Compliant Electrical emissions s EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical immunity 0 eee eeeeeeeeeeeee Evaluated to EN 61326 1 1997 A1 1998 Table 1 3 Note For full EMC and EMI compliance you must operate this device with shielded cabling See the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product click Declaration of Conformity at http www ni com hardref nsf This website lists the DoCs by product family Select the appropriate product family followed by your product and a l
42. t using your SCXI 1190 with high power signals Dynamic Characteristics Relay operate time at 20 C Typical acessat Relay release time at 20 C Typical ccscevevesdessssaissesssteene cates SCXI 1190 1191 1192 User Manual A 2 ni com Appendix A Specifications for SCXI 1190 Expected life Mechanical no load 0ccee 5 x 10 operations Electrical at maximum switching capacity eee 10 operations Caution Exceeding the maximum switching capability decreases the expected life of the SCXI 1190 Power Requirement 5 VDC Maximum all relays closed 600 mA Physical Dimensiot Siuire 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in T O connectors ss essssseessseiesesreresrrererrersees 5 SMB male per bank 4 banks Environment Operating temperature ee 0 to 50 C Storage temperature eee 20 to 70 C Relative humidity eee 10 to 90 noncondensing Electromagnetic Compatibility EMG EM ininoin ennnen CE C Tick and FCC Part 15 Class A Compliant Electrical EMiSsiOns cccceeeeeeeeeeeee EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Electrical immMUMItY eee eeeee eters Evaluated to EN 61326 1 1997 A1 1998 Table 1 3 Note For full EMC and EMI compliance you must operate this device with shielded cabling See the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product click
43. ting Modules If you selected auto detect and the chassis is not an SCXI 2000 remote chassis you must have your chassis connected to your National Instruments device Sy Note Make sure you have your chassis powered on 1 Click Next 2 Select your communication path except in the case of the SCXI 2000 and click Next 3 Select the module cabled to your communication path except in the case of the SCXI 2000 or if your module supports Auto Cable Detect and click Finish National Instruments Corporation 1 9 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X Your SCXI chassis and SCXI 119X modules are now configured in the software with your modules To configure the properties for a particular module perform the following steps 1 Expand Devices and Interfaces You can see the chassis selected in the list 2 Expand Chassis 3 Right click the module you want to configure and select Properties Tabs are displayed containing attributes for different properties of the module You can select any tab to see and or change any attributes Manually Adding Modules If you selected not to auto detect your SCXI modules you must add each of your modules separately 1 Click Finish in the SCXI Auto Detect window 2 Expand Devices and Interfaces You will see the chassis you selected in the list 3 Expand Chassis 4 Right click the slot that is cabled to your device and select Insert
44. tion 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 SCXI 1190 1191 1192 User Manual 1 8 ni com Chapter 1 Installing and Configuring the SCXI 119X Configuring and Self Testing the SCXI 119X Run Measurement amp Automation Explorer MAX to configure and test your SCXI 119X If you need help during the configuration process open the Measurement amp Automation Help file by selecting Help Help Topics 1 Double click the Measurement amp Automation Explorer icon on your desktop 2 To add anew chassis right click Devices and Interfaces and select Create New Select the appropriate chassis from the list box and click Finish 4 To configure the chassis select the Chassis ID The chassis ID is an arbitrary number that you choose for use by the software to uniquely specify the chassis 5 Select the Chassis Address refer to your SCXI Chassis User Manual for further information For the SCXI 2000 you also need to select the Baud Rate and COM Port You now have the choice of auto detecting your modules or manually adding them depending on your application Auto Detec
45. trument with any programming languages 4 SCXI 1190 1191 1192 User Manual When installing NI SWITCH look at the Development Environments panel e Ifyou click the Advanced button on this panel you can custom install National Instruments drivers such as NI DAQ NI IVI and NI VISA e Ifyou do not want to install certain drivers click Advanced and uncheck the driver s you do not want installed If a driver is already unchecked your computer has the same driver or a newer version of the driver already installed 1 2 ni com Chapter 1 Installing and Configuring the SCXI 119X B Note Ifa newer version of a driver is present on your PC the installer will not overwrite the driver Safety Instructions UN 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 ins
46. trument to National Instruments for service and repair to ensure that its safety is not compromised 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 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 National Instruments Corporation 1 3 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X Unpacking Your SCXI 119X module is shipped in an antistatic package to prevent electrostatic damage to the module Electrostatic discharge can damage several components on the module To avoid such damage in handling the module take the following precautions e Ground yourself using a grounding strap or by holding a grounded object e Touch the antistatic package to a metal part of your computer chassis before removing the module from
47. y referring to the Installing the Hardware section If the module is installed in the correct slot turn off the chassis and remove the module as specified in the Removing the SCXI 119X from an SCXI Chassis section 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 12 ni com Chapter 1 Installing and Configuring the SCXI 119X Removing the SCXI 119X This section 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 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 complete the following steps while referring to Figure 1 3 1 SCXI Chassis Power Switch 3 SCXI 119X SCXI 1190 Shown 2 SCXI Chassis SCXI 1000 Shown 4 SCXI Module Thumbscrews Figure 1 3 Removing the SCXI 119X National Instruments Corporation 1 13 SCXI 1190 1191 1192 User Manual Chapter 1 Installing and Configuring the SCXI 119X 1 Turn off the SCXI chassis power 2 Remove all signals con
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