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National Instruments Corporation

G-1

SCXI-1190/1191/1192 User Manual

Glossary

Prefix

Meanings

Value

nano-

–9

milli-

–3

M-

mega-

G-

giga-

Symbols

degrees

Ω

ohms

percent

amperes

alternating current

ADC

amperes, direct current

ADE

application development environment such as LabVIEW,
LabWindows/CVI, Visual Basic, and C or C++

rms

amperes, root-mean-square

Celsius

channel

pin or wire lead on the switch to which you apply or from which you read
the analog or digital signal. Signals can be single-ended or differential.

Содержание 1191

Страница 1: ...SCXI SCXI 1190 1191 1192 User Manual SCXI 1190 1191 1192 User Manual February 2001 Edition Part Number 322610B 01...

Страница 2: ...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...

Страница 3: ...ns 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 negli...

Страница 4: ...ents 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 Cla...

Страница 5: ...onformity 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 ori...

Страница 6: ...box options Bold text also denotes parameter names italic Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholde...

Страница 7: ...SCXI 119X to a DAQ Device in a PXI Combination Chassis 1 8 Configuring and Self Testing the SCXI 119X 1 9 Auto Detecting Modules 1 9 Manually Adding Modules 1 10 Self Test Verification 1 11 Troublesho...

Страница 8: ...Contents SCXI 1190 1191 1192 User Manual viii ni com Appendix C Technical Support Resources Glossary Index...

Страница 9: ...ch 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 S...

Страница 10: ...ware 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 softw...

Страница 11: ...odify equipment Because of the danger of introducing additional hazards do not install unauthorized parts or modify the instrument Return the instrument to National Instruments for service and repair...

Страница 12: ...unded object Touch the antistatic package to a metal part of your computer chassis before removing the module from the package Caution Never touch the exposed pins of connectors Remove the module from...

Страница 13: ...nto 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...

Страница 14: ...le 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...

Страница 15: ...or computer based instrument 2 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...

Страница 16: ...lot 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 i...

Страница 17: ...s 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...

Страница 18: ...hassis you selected in the list 3 Expand Chassis 4 Right click the slot that is cabled to your device and select Insert For DAQ devices this slot is the slot cabled to the DAQ device Select the module...

Страница 19: ...rly 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...

Страница 20: ...hen the message Instead found module with ID 0Xxx 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 slo...

Страница 21: ...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 instruct...

Страница 22: ...ely out Removing the SCXI 119X from Measurement Automation Explorer To remove a module from MAX complete the following steps 1 Double click the Measurement Automation Explorer icon on your PC desktop...

Страница 23: ...dules Functional Overview 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 bandwidth of DC t...

Страница 24: ...2 1 illustrates the key functional components of the SCXI 1190 1191 multiplexer modules Figure 2 1 SCXI 1190 1191 Modules Block Diagram 3A comA 2A 1A 0A 3B comB 2B 1B 0B 3C comC 2C 1C 0C 3D comD 2D 1D...

Страница 25: ...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 channel...

Страница 26: ...isconnecting signals on the front panel Contact Protection Caution The contacts of the relays are rated for a life of 5 106 mechanical operations when operated with no signal or a very small signal pr...

Страница 27: ...ote 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 i...

Страница 28: ...urces 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 Figure 2 4 Connecting the SCXI 1190 1191 RF Source 1 RF Source 2 RF Source...

Страница 29: ...190 1191 1192 User Manual Figure 2 5 shows how to use the SCXI 1192 to route signals from two RF sources to one RF measurement device Figure 2 5 Connecting the SCXI 1192 RF Source 1 RF Source 2 RF Mea...

Страница 30: ...f 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 Note Cascading multiplexers increases...

Страница 31: ...matrix Multiple configurations are possible using one or more SCXI 1192 modules Note Cascading switches increases insertion loss creates propagations delays and can have other RF effects Figure 2 7 E...

Страница 32: ...are typical at 25 C unless otherwise noted SCXI 1190 Input Characteristics Number of banks 4 Number of channels per bank 4 Common mode voltage Channel to earth 24 Vrms or DC Maximum switching voltage...

Страница 33: ...100 MHz 1 15 500 MHz 1 35 1 3 GHz 1 5 2 GHz 2 5 Isolation 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 a...

Страница 34: ...mperature 0 to 50 C Storage temperature 20 to 70 C Relative humidity 10 to 90 noncondensing Electromagnetic Compatibility EMC EMI CE C Tick and FCC Part 15 Class A Compliant Electrical emissions EN 55...

Страница 35: ...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 II1 Pollution degree 2 Certifications and Com...

Страница 36: ...ge Channel to earth 30 Vrms or DC Maximum switching voltage AC 30 Vrms DC 30 VDC Maximum switching capacity per channel AC 0 33 Arms at 30 Vrms DC 0 33 ADC at 30 VDC Maximum switching power per channe...

Страница 37: ...power signals Dynamic Characteristics Relay operate time at 20 C Typical 15 ms Relay release time at 20 C Typical 15 ms Expected life Mechanical no load 5 106 operations Electrical at maximum switchin...

Страница 38: ...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 p...

Страница 39: ...DC 30 VDC Maximum carry current per channel DC 2 A Maximum continuous input power per channel continuous wave 1 3 GHz 120 W 3 8 GHz 80 W 8 12 4 GHz 60 W 12 4 18 GHz 50 W Contact on resistance initial...

Страница 40: ...t using your SCXI 1192 with high power signals Dynamic Characteristics Relay operate time at 20 C Typical 15 ms Relay release time at 20 C Typical 15 ms Expected life Mechanical no load 5 106 operatio...

Страница 41: ...ling 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 h...

Страница 42: ...o 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 t...

Страница 43: ...ted 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...

Страница 44: ...ess 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...

Страница 45: ...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...

Страница 46: ...hms 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...

Страница 47: ...current resistance frequency temperature and so on DMM See digital multimeter drivers driver software software that controls a specific hardware device such as a switch card H Hz hertz the number of s...

Страница 48: ...ommon 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 measure of signal amplitude S s secon...

Страница 49: ...Glossary SCXI 1190 1191 1192 User Manual G 4 ni com Vrms volts root mean square VSWR Voltage Standing Wave Ratio W W watts...

Страница 50: ...trument 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 prot...

Страница 51: ...F sources 2 6 to 2 7 N 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 power requirement specifications SCXI 1190 A 3 SCXI 1191 A 6 SCX...

Страница 52: ...ons 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...

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