Italiano dropdown-ico

Manuale per l’uso National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237

36 pagine 0.53 mb
Scarica

Vai alla pagina of 36

Summary
  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 1

    OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9237 4-Channel, 24-Bit Half/Full- Bridge Analog Input Module ni.com/manuals Deutsch Français ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 2

    NI 9237 Operating I nstruction s and Specificati ons 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9 237 and incl u des specif ications and pin assignments for the NI 9237. Vi s i t ni.com/info and enter rd s oftwarever s ion to determine which software yo u need for the mod u les yo u are u sing. For information abo u ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 3

    © National Inst ruments Corp. 3 NI 9237 Operating Instructi ons and Specific ations Safety Guidelines Operate the NI 9237 only as described in these operating instr u ctions. Hot Surface This icon denotes that the component may be hot. T o u ching this component may res u lt in bodily inj u ry . Safety Guidelines fo r Hazardous Loca tions The NI 9 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 4

    NI 9237 Operating I nstruction s and Specificati ons 4 ni.com Caution S u bstit u tion of components may impair s u itability for Class I, Division 2. Caution For Zone 2 applications, install the system in an enclos u re rated to at least IP 54 as defined b y IEC 60529 an d EN 60529 . Caution For Zone 2 applications, connected signals m u st be wit ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 5

    © National Inst ruments Corp. 5 NI 9237 Operating Instructi ons and Specific ations Special Conditions fo r Marine Appli cations Some mod u les are Lloyd’ s Re gister (LR) T ype Approved for marine applications. T o verify Llo yd’ s Register cert ification, visit ni.com/certification and search for the LR certificate, or look for the Lloyd’ ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 6

    NI 9237 Operating I nstruction s and Specificati ons 6 ni.com Connecting the NI 9237 The NI 9237 has fo u r RJ-50 receptacles that pro vide connections for fo u r half or f u ll bridges. Figure 1. NI 9237 Pin Assignm ents SC AI+ AI– RS+ RS– EX+ EX– T+ T– SC 1 2 3 4 5 6 7 8 9 10 Ch0 – Ch3 EX+ EX+ EX– EX– Ch 0 Ch 1 Ch 2 Ch 3 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 7

    © National Inst ruments Corp. 7 NI 9237 Operating Instructi ons and Specific ations When yo u connect a half bridge to the NI 9237, yo u m u st connect the AI+, EX–, and RS– signals, b u t yo u do not connect the AI– signal. When yo u connect a f u ll bridge, yo u m u st connect the AI+, AI–, EX–, and RS– si gnals. Re fer to Fig u re 2 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 8

    NI 9237 Operating I nstruction s and Specificati ons 8 ni.com The NI 9237 has a fo u r- terminal e xternal e xcitation v oltage so u rce connector . Y o u can u se the EX+ and EX– terminals on the connector to connect one e x ternal e xcitation voltag e so u rce to the mod u le. Y o u can u se the additional EX+ and EX– terminals on the connect ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 9

    © National Inst ruments Corp. 9 NI 9237 Operating Instructions and Specific ations Figure 2. Connecting a Half or Full Bridge to the NI 9237 EX+ EX– SC SC RS+ RS– T+ T– AI– AI+ TEDS NI 9237 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 10

    NI 9237 Operating I nstructions and Specifications 10 ni.com Each channel on the NI 9237 has an independent 24-bit ADC and an inp u t amplifier that enable yo u to sample signals from all fo u r channels sim u ltaneo u sly . The NI 9237 is isolated from earth gro u nd. Ho wev er, the indi vid u al channels are not isolated from each other . The EX+ ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 11

    © National Inst ruments Corp. 11 NI 9237 Operating Instructions and Specific ations Wiring TEDS Cha nnels Ens u re that neither the TEDS da ta (T+) nor the TEDS ret u rn (T–) signal is tied in common to any AI signals on the NI 9237. The NI 9237 connects all the T– signals together internally . V isit ni.com/info and enter the info code rdted ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 12

    NI 9237 Operating I nstructions and Specifications 12 ni.com circ u it. Refer to Fig u re 3 for an ill u stration of ho w to connect remote sense wires to the NI 9237. Figure 3. Connecti ng Remote Sense Wires to the NI 9237 EX+ EX– RS+ RS– R bridge R lead R lead R bridge R bridge R bridge NI 9237 AI– AI+ ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 13

    © National Inst ruments Corp. 13 NI 9237 Operating Instructions and Specific ations The act u al bridge e xcitation voltage is smaller than the v oltage at the EX+ and EX– leads. If yo u do not u se remote sensing of the act u al bridge voltage, the res u lting gain error is: for half-bridge sensors and for f u ll-bridge sensors. If yo u connect ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 14

    NI 9237 Operating I nstructions and Specifications 14 ni.com sensors beca u se th ere may be signif icant resistance in the wiring to the activ e resistor in the bridge. The NI 9237 sh u nt calibrati on circ u itry consists of a precision resistor and a software-controlle d switch. Refer to the software help for information abo u t enabling the sh ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 15

    © National Inst ruments Corp. 15 NI 9237 Operating Instructions and Specific ations Excitation Voltages Altho u gh the sensor ind u stry does not recognize a single standard excita tion v oltage le vel, e xcitation v oltage le vels of between 2.5 V and 10 V are common. Y o u can program the NI 9237 to s u pply 2.5 V , 3.3 V , 5 V , or 10 V of exci ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 16

    NI 9237 Operating I nstructions and Specifications 16 ni.com The 150 mW limit allows yo u to po wer half and f u ll bridges as follows: •F o u r 350 Ω half bridges at 5.0 V •F o u r 350 Ω f u ll bridges at 3.3 V •F o u r 120 Ω half bridges at 2.5 V If yo u need an e xcitation voltage that ca u ses more than 150 mW to dissipate across all t ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 17

    © National Inst ruments Corp. 17 NI 9237 Operating Instructions and Specific ations or signals that ha ve been f iltered by at least the amo u nt of the stopband rejection. Passband The signals within the passband have freq u enc y-dependent gain or atten u ation. The small am o u nt of var iation in gain with respect to freq u ency is called the ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 18

    NI 9237 Operating I nstructions and Specifications 18 ni.com Figure 4. Typical Passband Flat ness for the NI 9237 Stopband The filter signif icantly atten u ates all signals abo ve the stop band freq u ency . The primary goal of the f ilter is to prev ent aliasing. Therefore, the stopband freq u ency scales precisel y with the data F requency/Data ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 19

    © National Inst ruments Corp. 19 NI 9237 Operating Instructions and Specific ations rate. The stopband rejection is the minim u m amo u nt of att en u ation applied by the filter to all signals with freq u en cies within the stopband. Alias-Free Bandwidth Any signal that appears in the alias-free bandwidth of the NI 9237 is not an aliased artifact ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 20

    NI 9237 Operating I nstructions and Specifications 20 ni.com The follo wing eq u ation provide s the a vailable da ta rates of the NI 9237: f s = where n is any inte ger from 1 to 31. Howe ver , the data rate m u st rema in within the appropriate data rate range. Refer to the Specifications sectio n for more information abo u t the data rate range. ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 21

    © National Inst ruments Corp. 21 NI 9237 Operating Instructions and Specific ations s u pport for sleep mode. If the chassis s u pports sleep mode, refer to the software help for information abo u t enabli ng slee p mode. V isit ni.com/info and enter c s erie s doc for information abo u t C Series doc u mentation. T ypically , when a system is in ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 22

    NI 9237 Operating I nstructions and Specifications 22 ni.com T ype of ADC ..... ........... ........... ......... . De lta-Sigma (w ith analog prefiltering) Sampling mode . ........... ........... .......... Sim u ltaneo u s Internal master timebase ( f M ) Freq u ency ..... ........... ........... ........ 12.8 MHz Acc u racy......... ........... ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 23

    © National Inst ruments Corp. 23 NI 9237 Operating Instructions and Specific ations Overv oltage protection between any two pins .......... ............. . ±30 V Acc u racy Gain drift ...... ........... ......... ............ ..... 10 ppm/°C max Offset drift 2.5 V excitation ............ ........... ... 0.6 μ V/V per °C 3.3 V excitation ...... ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 24

    NI 9237 Operating I nstructions and Specifications 24 ni.com Channel-to-channel ma tching (calibrated) Phase nonlineari ty f in = 0 to 1 kHz ....... ........... ......... . < 0.001° f in = 0 to 20 kHz.............. ........... . ±0. 1° Inp u t delay .......... ........... ........... ........ 38.4/ f s + 4.8 μ s Passband Freq u ency ..... .. ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 25

    © National Inst ruments Corp. 25 NI 9237 Operating Instructions and Specific ations Rejection at o versa mple rate 1 f s = 10 kS/s........ ............ ........... ... 60 dB @ 640 kHz f s = 50 kS/s........ ............ ........... ... 90 dB @ 3.2 MHz Common-mode vo ltage, all signals to earth gro u nd ......... ........ ±60 VDC CMRR Relati ve to ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 26

    NI 9237 Operating I nstructions and Specifications 26 ni.com Inp u t noise Excitation noise ........... ......... ........... . 0 .1 mV/V rms Crosstalk f in = 1 kHz ....... ........... ............ ..... 110 dB f in = 10 kHz .............. ......... .......... 100 dB Excitation Internal voltage ........ ........... ........ 2.5 V , 3.3 V , 5.0 V , ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 27

    © National Inst ruments Corp. 27 NI 9237 Operating Instructions and Specific ations Sh u nt calibration Resistance .............. ......... ............ 100 k Ω Resistor acc u racy 25°C .............. .................. ..... ±110 Ω –40 to 70°C ......... ............ ..... ±200 Ω MTBF .......... ........... ............ ........... ... 60 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 28

    NI 9237 Operating I nstructions and Specifications 28 ni.com Physical Characteristics If yo u need to clean the mod u l e, wipe it with a dry to wel. W eight .......... ........... ............ .............. 152 g (5.4 oz) Safety Safety Voltages Connect only v oltages that are within the follo wing limits. Between any two pins ...... ............ ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 29

    © National Inst ruments Corp. 29 NI 9237 Operating Instructions and Specific ations meas u rements of voltages from spec ially protecte d secondary circ u its. S u ch v oltage meas u reme nts incl u de signal le vels, special eq u ipment, limited-ene rg y parts of eq u ipment , circ u its po wered by reg u lated lo w-voltage so u rces, and electro ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 30

    NI 9237 Operating I nstructions and Specifications 30 ni.com Safety Standards This prod u ct meets the req u irements of the following standards of safety for electrica l eq u ipment for meas u rement, control, and laboratory u se: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note For UL and other safety certif icat ions, refer to the pr ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 31

    © National Inst ruments Corp. 31 NI 9237 Operating Instructions and Specific ations Note For the standards applied to assess the EMC of this prod u ct, refer to the Online Product Certification section. Note For EMC compliance, operate this de vice with shielded cabling. CE Compliance This prod u ct meets the essent ial req u irem ents of applic a ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 32

    NI 9237 Operating I nstructions and Specifications 32 ni.com Shock and Vibration T o meet thes e specifications, yo u m u st panel mo u nt the system. Operating vibration Random (IEC 60068-2-64)......... 5 g rms , 10 to 500 Hz Sin u soidal (IEC 60068-2-6) ....... 5 g, 10 to 500 Hz Operating shock (IEC 60068-2-27)........... ........... ........ 30 ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 33

    © National Inst ruments Corp. 33 NI 9237 Operating Instructions and Specific ations Operating h u midity (IEC 60068-2-56)....... ........... ............ 10 to 90% RH, noncondensing Storage h u midity (IEC 60068-2-56)....... ........... ............ 5 to 95% RH, noncondensing Maxim u m altit u de.......... ......... .......... 2,000 m Poll u tion ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 34

    NI 9237 Operating I nstructions and Specifications 34 ni.com Waste Electrical and Electronic Equipment (WEEE) EU Customers At the end of the life c ycle, all prod u cts must be sent to a WEEE re c ycling center . For more information abo u t WEEE recycling ce nters and National Instr u ments WEEE initiati ves, visit ni.com/ environment/weee . Calib ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 35

    © National Inst ruments Corp. 35 NI 9237 Operating Instructions and Specific ations Where to Go for Support The National Instr u ments W eb site is yo u r complete reso u rce for technical s u pport. At ni.com/ s upport yo u have access to ev erything from tro u bleshooting and applic ation dev elopment self-help reso u rces to email and phone ass ...

  • National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - page 36

    © 2006–2008 Nati onal Instruments Corp. All rights reserved. 374186C-01 Aug08 National Instruments, NI, n i .com, and LabVIEW are trademarks of National Instruments C orporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments t rademarks. Other product and company names ment ioned herein are tra ...

Fabbricante National Instruments Categoria Network Card

I documenti che otteniamo dal fabbricante del dispositivoNational Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici National Instruments
- manuali per l’uso 24-Bit Half/Full-Bridge Analog Input Module NI 9237
- schede prodotto National Instruments
- opuscoli
- o etichette energetiche National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237, manuali di manutenzione, brevi manuali o manuali utente National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237.

Manuali per l’uso simili

Manuale completo del dispositivo National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237.

Il manuale per l’uso completo National Instruments, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - che ci dovrebbe aiutare nei primi passi durante l'uso National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 in un dato paese, se il problema non può essere risolto da noi stessi.

Hai una domanda su National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237?

Utilizza il modulo sottostante

Se non hai risolto il problema con National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 con l'aiuto del manuale che hai trovato, fai una domanda utilizzando il modulo sottostante. Se un utente ha avuto un problema simile con National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 è probabile che voglia condividere il modo di risolverlo.

Riscrivi il testo dall’immagine

Captcha
Nuova immagine

Commenti (0)