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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 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 consult 
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.

E

XCEPT

 

AS

 

SPECIFIED

 

HEREIN

, N

ATIONAL

 I

NSTRUMENTS

 

MAKES

 

NO

 

WARRANTIES

EXPRESS

 

OR

 

IMPLIED

AND

 

SPECIFICALLY

 

DISCLAIMS

 

ANY

 

WARRANTY

 

OF

 

MERCHANTABILITY

 

OR

 

FITNESS

 

FOR

 

A

 

PARTICULAR

 

PURPOSE

. C

USTOMER

S

 

RIGHT

 

TO

 

RECOVER

 

DAMAGES

 

CAUSED

 

BY

 

FAULT

 

OR

 

NEGLIGENCE

 

ON

 

THE

 

PART

 

OF

 N

ATIONAL

 I

NSTRUMENTS

 

SHALL

 

BE

 

LIMITED

 

TO

 

THE

 

AMOUNT

 

THERETOFORE

 

PAID

 

BY

 

THE

 

CUSTOMER

. N

ATIONAL

 

I

NSTRUMENTS

 

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 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

, 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 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.

Содержание SCXI-1190/1191

Страница 1: ...SCXI SCXI 1190 1191 User Manual SCXI 1190 1191 User Manual February 2000 Edition Part Number 322610A 01...

Страница 2: ...ermany 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 8 357 769...

Страница 3: ...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 negligen...

Страница 4: ...ommunications 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 Co...

Страница 5: ...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...

Страница 6: ...ence 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 monospace Text in this font denotes text or characters that you shou...

Страница 7: ...I Combination Chassis 1 6 Configuration and Self Test 1 7 Auto Detecting Modules 1 8 Manually Adding Modules 1 9 Self Test Verification 1 10 Troubleshooting Self Test Verification 1 10 Removing the SC...

Страница 8: ...119X into an SCXI Chassis 1 3 Figure 1 2 Connecting an SCXI Chassis to a DAQ Device or Computer Based Instrument 1 6 Figure 1 3 Removing the SCXI 119X 1 13 Figure 2 1 SCXI 119X Module Block Diagram 2...

Страница 9: ...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...

Страница 10: ...r use with an SCXI chassis 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 antist...

Страница 11: ...he 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 Cautio...

Страница 12: ...evice 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 SCXI cable assemb...

Страница 13: ...device or computer based instrument See your cable assembly s installation guide for more specific information 3 Connect the cable to the back of the cable adapter ensuring that the cable fits securel...

Страница 14: ...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 combina...

Страница 15: ...SCXI system 1 Double click the Measurement 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...

Страница 16: ...sis which you should connect to the computer using a serial port cable Before auto detecting modules refer to the Connecting the SCXI 119X to a DAQ Device or Computer Based Instrument section To auto...

Страница 17: ...he 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 No...

Страница 18: ...ssage 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...

Страница 19: ...for more information 3 If you get the warning message Failed to find followed by module codes and then the message Instead found module with ID 0Xxx return to the Connecting the SCXI 119X to a DAQ De...

Страница 20: ...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 t...

Страница 21: ...sktop 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 cha...

Страница 22: ...al 1 14 www ni com Note Deleting an SCXI chassis deletes all modules in the chassis All configuration information for these modules is also lost Your SCXI chassis and or SCXI module s should now be re...

Страница 23: ...tiplexer 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 capa...

Страница 24: ...epair 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 sh...

Страница 25: ...nd 30 Vrms 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 modu...

Страница 26: ...n SMA connectors as shown in Figure 2 2 Figure 2 2 SCXI 1190 SMB Connectors SCXI 1191 SMA Connectors Note The power up and reset state of the different multiplexer banks are as follows banks A and C c...

Страница 27: ...ing 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 Figure 2 3 Connecting the SCXI 119X RF Source 1 RF Source 2 RF Sour...

Страница 28: ...of Figure 2 4 the module is used to create a 13 to 1 multiplexer with a two stage architecture You can cascade several modules to provide even larger multiplexers Cascading multiplexers increases ins...

Страница 29: ...are typical at 25 C unless otherwise noted SCXI 1190 Input Characteristics Number of relays per bank 3 Number of banks 4 Common mode voltage Channel to earth 24 VDC Maximum switching voltage AC 24 Vrm...

Страница 30: ...ation 500 MHz 62 dB 1 3 GHz 50 dB 2 GHz 30 dB Rise time 300 ps Signal delay 3 ns Maximum RF carry power at 900 MHz 10 W Note Refer to the cautions and warning in Chapter 2 Using the SCXI 119X for impo...

Страница 31: ...nsions 17 30 by 19 56 by 3 02 cm 6 81 by 7 70 by 1 19 in I O connector 5 SMB female per bank Environment Operating temperature 0 to 50 C Storage temperature 20 to 70 C Relative humidity 5 to 85 noncon...

Страница 32: ...voltage AC 30 Vrms DC 30 VDC Maximum switching capacity per channel DC 30 VDC at 0 33 ADC AC 30 Vrms at 0 33 Arms Maximum switching power per channel 10 W Contact on resistance initial 200 m max Conta...

Страница 33: ...perations Electrical at maximum switching capacity 105 operations Caution Exceeding the maximum switching capability will decrease the expected life of the SCXI 1191 Power Requirement 5 VDC Maximum al...

Страница 34: ...Appendix A Specifications for SCXI 1191 SCXI 1190 1191 User Manual A 6 www ni com Certifications and Compliances CE Mark Compliance See the Declaration of Conformity sheet accompanying product...

Страница 35: ...itches 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 Also be sure to check the return cod...

Страница 36: ...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 larg...

Страница 37: ...ns 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 Troubl...

Страница 38: ...nformation 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...

Страница 39: ...ls degrees ohms percent A A amperes AC alternating current ADE application development environment such as LabVIEW LabWindows CVI Visual Basic and C or C C C Celsius channel pin or wire lead on the mu...

Страница 40: ...requency temperature and so on DMM See digital multimeter drivers driver software software that controls a specific hardware device such as a switch card G g gram H Hz hertz the number of scans read o...

Страница 41: ...or disconnects the signal to a common through the physical movement of a metal arm rms root mean square the square root of the average value of the square of the instantaneous signal amplitude a meas...

Страница 42: ...Glossary SCXI 1190 1191 User Manual G 4 www ni com V V volts VDC volts direct current VSWR Voltage Standing Wave Ratio W W watts...

Страница 43: ...connecting SCXI 119X to DAQ device diagnostic resources online C 1 dynamic characteristics SCXI 1190 A 2 to A 3 SCXI 1191 A 5 E environment specifications SCXI 1190 A 3 SCXI 1191 A 5 expanding RF mul...

Страница 44: ...4 to A 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 b...

Страница 45: ...cteristics A 4 physical A 5 power requirement A 5 RF performance characteristics A 4 to A 6 T technical support resources C 1 to C 2 troubleshooting common problems B 1 to B 2 V Voltage Standing Wave...

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