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Contents

NI 2590/2591 User Manual

viii

ni.com

Appendix C
Common Questions

Appendix D
Technical Support Resources

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Содержание NI 2590/2591

Страница 1: ...Computer Based Instruments NI 2590 2591 User Manual NI 2590 2591 User Manual November 2000 Edition Part Number 322387B 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: ...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 ab...

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: ...which advises you of precautions to take to avoid being electrically shocked italic Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes...

Страница 7: ...river Software 1 5 National Instruments Application Software 1 5 Third Party Software 1 6 Cabling and Accessory Requirements 1 6 Chapter 2 NI 2590 2591 Operation Safety Instructions 2 1 Functional Ove...

Страница 8: ...Contents NI 2590 2591 User Manual viii ni com Appendix C Common Questions Appendix D Technical Support Resources Glossary Index...

Страница 9: ...e general purpose 4 channel high bandwidth multiplexing switches The NI 2590 uses single pole double throw high bandwidth relays capable of switching signals from DC to 1 3 GHz The characteristic impe...

Страница 10: ...ve electrostatic discharge handling precautions during and after removal of the module or when connecting and disconnecting signals on the front panel Warning Do not exceed the channel to ground volta...

Страница 11: ...ections The NI 2591 has five SMA female connectors The center connection labeled COM is connected in a through path to one of the other four connections depending on the software instructions sent to...

Страница 12: ...2591 front connector Table 1 1 describes the connector signals Figure 1 2 NI 2591 Front Connector Table 1 1 Front Connector Signal Description Signal Name Type Description CH 0 3 Input Output Channels...

Страница 13: ...your test system National Instruments Application Software LabVIEW and LabWindows CVI are innovative program development software packages for data acquisition and control applications LabVIEW uses gr...

Страница 14: ...nstrument driver also includes support files for Microsoft Visual C and Microsoft Visual Basic See the NI SWITCH Software Readme File for version support information Cabling and Accessory Requirements...

Страница 15: ...ormation specified in this document Misuse of this instrument could result in a shock hazard Do not substitute parts or modify equipment beyond what is described in Appendix B Servicing Your Module Be...

Страница 16: ...verview The following block diagrams illustrate the key functional components of the NI 2590 and NI 2591 switch modules The major components of the NI 2590 2591 are as follows General purpose high fre...

Страница 17: ...ration National Instruments Corporation 2 3 NI 2590 2591 User Manual Figure 2 1 NI 2590 Module Block Diagram CH1 COM CH2 CH0 CH3 Front Panel Triggers Scan Memory MUX23 MUX0123 MUX01 Relay Control PXI...

Страница 18: ...2590 2591 User Manual 2 4 ni com Figure 2 2 NI 2591 Module Block Diagram CH1 COM CH2 CH0 CH3 Triggers PXI Bus Connector High Frequency Relay 4 GHz Relay Module Control Lines Relay Control Scan Memory...

Страница 19: ...CH0 to COM as shown in Figure 2 1 To connect CH2 to COM you energize MUX0123 to connect CH3 to COM you energize MUX0123 and MUX23 You can specify the channel to connect to COM and let the NI Switch d...

Страница 20: ...en or close relays in any order The scan list is downloaded to onboard memory Commands in the scan list can perform the following actions Open or close relays Wait for an external trigger Generate a s...

Страница 21: ...dule to route the external trigger from any of the PXI TTL trigger lines or the PXI star trigger Alternatively you can use a software command to trigger the switch module All external trigger lines ar...

Страница 22: ...e NI 2590 2591 before the measurement device starts to take measurements This ensures that the switch module has the correct signal routed and that the switch module is waiting for an external trigger...

Страница 23: ...module in the system which simplifies the wiring scheme Note The NI 2590 2591 does not support triggers on the front panel connector If the trigger signal is external to the chassis you must use a di...

Страница 24: ...racteristics Number of relays 3 Common mode voltage Channel to earth 24 VDC Maximum switching voltage AC 24 Vrms DC 24 VDC Maximum switching capacity per channel DC 1 A at 24 V AC 1 Arms at 24 V Maxim...

Страница 25: ...and Contact Protection sections of Chapter 1 Routing Signals with Your NI 2590 2591 for important information about using your NI 2590 2591 with high power signals Dynamic Characteristics Relay operat...

Страница 26: ...350 mA Maximum all relays closed 0 6 A Physical Dimensions 10 by 16 by 4 cm 3 9 by 6 3 by 1 6 in Weight 240 g 8 5 oz I O connector 5 SMB female Environment Operating temperature 0 to 50 C Storage tem...

Страница 27: ...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 Contact material Gold RF...

Страница 28: ...release time at 20 C Typical 15 ms Expected life Mechanical no load 5 106 operations Electrical at maximum switching capacity 105 operations Caution Exceeding the maximum switching capability will dec...

Страница 29: ...gnetic compatibility EMC emissions Refer to the document supplied with the chassis for compliance to relevant directives EMI FCC Class A compliant Maximum altitude 2 000 m Certifications and Complianc...

Страница 30: ...so that the relay module can be replaced when the relays fail The life of the relay is nominally 105 operations when switching the maximum rated load You can order an RF 2590 replacement relay module...

Страница 31: ...hex nuts and washers from the SMB connectors on the front panel 4 Gently disconnect the rear of the module from the header then carefully remove the module 5 Install the replacement module and screws...

Страница 32: ...revents damage to your PXI module from electrostatic discharge 2 Remove the four Phillips head screws and nuts that fasten the NI 2591 relay module to the module carrier 3 Remove the hex nuts and wash...

Страница 33: ...oftware User Manual The NI Switch driver also ships with several examples in source code Compare your algorithm to those in the examples What should I do if scanning does not work First ensure that yo...

Страница 34: ...l The NI Switch driver also ships with several examples in source code Compare your algorithm to the ones in the examples Do I need to program the switch module myself The NI 2590 2591 comes with the...

Страница 35: ...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 n...

Страница 36: ...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 tec...

Страница 37: ...ssary Prefix Meaning Value p pico 10 12 n nano 10 9 micro 10 6 m milli 10 3 M mega 106 G giga 109 Numbers and Symbols degrees ohms percent greater than less than A A amperes AC alternating current ADC...

Страница 38: ...ommon a channel that is typically the output of a switch module contact bounce the intermittent switching that occurs when the movable metal parts of a relay make or break contact D DC direct current...

Страница 39: ...I in inches Interchangeable Virtual Instrument an advanced architecture for instrument drivers that includes features such as simulation and state caching I O input output the transfer of data to fro...

Страница 40: ...the data acquisition of signals connected to multiple channels of a multiplexer Typically the measurement device uses a trigger to advance the multiplexer to the next channel in the scan scan list a l...

Страница 41: ...rtual instrument 1 a combination of hardware and or software elements typically used with a PC that has the functionality of a classic stand alone instrument 2 a LabVIEW software module VI which consi...

Страница 42: ...D 1 D debouncing of switches 1 1 dynamic characteristics NI 2590 A 2 NI 2591 A 5 E environment specifications NI 2590 A 3 NI 2591 A 5 to A 6 external trigger input 1 2 2 7 F front connector NI 2590 f...

Страница 43: ...2 5 NI 2591 2 5 safety instructions 2 1 switch control circuitry 2 6 P parts locator diagram NI 2590 B 1 NI 2591 B 3 physical specifications NI 2590 A 3 NI 2591 A 5 power requirement specifications NI...

Страница 44: ...driver 1 5 third party software 1 6 specifications A 1 to A 6 certification and compliances NI 2590 A 3 NI 2591 A 6 dynamic characteristics NI 2590 A 2 NI 2591 A 5 environment NI 2590 A 3 NI 2591 A 5...

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