Français dropdown-ico

Manuel d’utilisation National Instruments NI 9236

38 pages 0.54 mb
Télécharger

Aller à la page of 38

Summary
  • National Instruments NI 9236 - page 1

    OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9235/9236 8-Channel, 24-Bit Quarter-Brid ge Analog Input Module ni.com/manuals Deutsch Français ...

  • National Instruments NI 9236 - page 2

    NI 9235/9236 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9235 and National Instr u ments 9236 and incl u des specif ications and terminal assignments. In t his doc u ment, the NI 9235 and NI 9236 are referred to incl u si v ely as the NI 9235/9236. V isit ni.com/info and enter rd s oftwarever s ion to determine which ...

  • National Instruments NI 9236 - page 3

    © National Instruments Co rp. 3 NI 9235/9236 Safety Guidelines Operate the NI 9235/9236 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 9235/9236 is s u itable for u se in ...

  • National Instruments NI 9236 - page 4

    NI 9235/9236 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 and EN 60529 . Caution For Zone 2 applications, connected signals m u st be within the following limit: Capacitance .... ...

  • National Instruments NI 9236 - page 5

    © National Instruments Co rp. 5 NI 9235/9236 Special Conditions fo r Marine Ap plications Some mod u les are Lloyd’ s Register (LR) T ype Approv ed for marine applications. T o verify Llo yd’ s Register cert if ication, visit ni.com/certification and search for the LR certificate, or look for the Lloyd’ s Register mark on the mod u le. Cauti ...

  • National Instruments NI 9236 - page 6

    NI 9235/9236 6 ni.com Connecting the NI 9235/9236 The NI 9235/9236 has a 24-terminal detachable spring-terminal connector that provides con nections for 8 analog inp u t channels. Figure 1. NI 9235/923 6 T erminal Assignmen ts EXC0 AI0 RC0 EXC2 AI2 RC2 EXC4 AI4 RC4 EXC6 AI6 RC6 EXC1 AI1 RC1 EXC3 AI3 RC3 EXC5 AI5 RC5 EXC7 AI7 RC7 1 2 3 4 5 6 7 8 9 1 ...

  • National Instruments NI 9236 - page 7

    © National Instruments Co rp. 7 NI 9235/9236 Yo u can connect a q u arter- bridge sensor to each channel. Each channel has an EXC termi nal that pro vides the exc itation v oltage stim u l u s, an AI terminal tha t meas u res the bridge voltage, and an RC terminal that pro vides the q u arter -bridge completion. Refer to Fig u re 2 for an ill u st ...

  • National Instruments NI 9236 - page 8

    NI 9235/9236 8 ni.com Connecting Wires to the NI 9235/9236 Conn ector Use a flathead scre wdriv er with a blade smaller than 2.3 × 1.0 mm (0.09 × 0.04 in.) to connect wires to the detachable spring-terminal connector . Insert the screwdri ver in to a spring clamp activ ation slot and press a wire into th e corres ponding connector terminal, then ...

  • National Instruments NI 9236 - page 9

    © National Instruments Co rp. 9 NI 9235/9236 Wiring for High-Vib ration Applications If an application is s u bject to high vibrat ion, National Instr u ments recommends that yo u u se the NI 9965 backshell kit to protect the connections. Re fer to Fig u re 4 for an ill u stration of the NI 9965 connector backshell. Figure 4. NI 9965 Connector Bac ...

  • National Instruments NI 9236 - page 10

    NI 9235/9236 10 ni.com NI 9235/9236 Circuitry The NI 9235/9236 is isolated from earth gro u nd. Ho we ver , the individ u al channels are not isolated from ea ch other . The EXC terminals all co nnect internally to a comm on exc itation s u pply . Yo u m u st connect each EXC terminal to only one gage to maintain the channel-to-channel crosst alk p ...

  • National Instruments NI 9236 - page 11

    © National Instruments Co rp. 11 NI 9235/9236 Figure 5. Input Cir cuitry for One Channel of the NI 9235 EXC AI RC + – Bridge Completion Re s i s tor Filtered Differenti a l Amplifier 2.0 V Bridge Excit a tion 120 Ω 50 k Ω Sh u nt Re s i s tor + – ADC NI 9235 ...

  • National Instruments NI 9236 - page 12

    NI 9235/9236 12 ni.com Figure 6. Input Cir cuitry for One Channel of the NI 9236 The NI 9235/9236 also incl u des filt ers to pre vent al iasing. The filters on the NI 9235/9236 f ilter according to the sampling rate. Refer to th e Understanding NI 9235/9236 Filtering section for more informatio n abo u t filte ring. EXC AI RC + – Bridge Completi ...

  • National Instruments NI 9236 - page 13

    © National Instruments Co rp. 13 NI 9235/9236 Q u arter -bridge meas u rements are inherently sensitiv e to acc u racy degradation d u e to the le ad resistance of wiring from the sensor to the meas u rement de vice. For a give n change in the gage resistance, the total ef fectiv e resistance cha nges slightly less. Accordingly , the meas u red mV ...

  • National Instruments NI 9236 - page 14

    NI 9235/9236 14 ni.com Sh u nt calibration sim u lates strain in p u t by changing the resistance of an arm in the bridge b y a known amo u nt. By sh u nting, or connecting, a large resistor across one arm of the bridge, a specif ic change occ u rs in the bridge v oltage ratio. W ith the connected sensor in a sta ble, typica lly u nloaded, state, y ...

  • National Instruments NI 9236 - page 15

    © National Instruments Co rp. 15 NI 9235/9236 Understanding NI 9235/9236 Filtering The NI 9235/9236 u ses a combination of analog and digital filte ring to pro vide an acc u rate representation of in-band signals while rejecting o u t-of-band signals. The filters di scriminate between signals based on the freq u ency range, or bandwidth, of the si ...

  • National Instruments NI 9236 - page 16

    NI 9235/9236 16 ni.com Figure 7. T ypical Passband Response for the NI 9235/9236 Fr e qu ency (kHz) 5 4 0.025 0.000 –0.025 –0.050 3 2 1 0 G a in (dB) ...

  • National Instruments NI 9236 - page 17

    © National Instruments Co rp. 17 NI 9235/9236 Stopband The filter signif icantly atten u ates all signals abo ve the stop band freq u ency . The primary goal of the filter is to pre vent aliasing. Therefore, the stopband freq u ency scales precisel y with the data rate. The stopband rejection is the minim u m amo u nt of att en u ation applied by ...

  • National Instruments NI 9236 - page 18

    NI 9235/9236 18 ni.com the mod u les m u st share a single master timebase so u rce. Refer to the software help for information abo u t conf ig u ring the master timebase so u rce for the NI 9235/9236. V isit ni.com/info and enter c s erie s doc for information abo u t C Series doc u mentation. The follo w ing eq u ation pro vides the av ailable da ...

  • National Instruments NI 9236 - page 19

    © National Instruments Co rp. 19 NI 9235/9236 Sleep Mode This mod u le s u pports a low-po wer sleep mode. S u pport for sleep mode at the system le vel depe nds on the chassis that the mod u le is pl u gged into. Refer to the chassis man u al for information abo u t s u pport for sleep mode. If the chassis s u pports sleep mode, refer to the soft ...

  • National Instruments NI 9236 - page 20

    NI 9235/9236 20 ni.com Specifications The follo wing specifications a re typical for the range – 40 to 70 °C u nless otherwise note d. The specifications are the same for the NI 9235 and the NI 9236 u nless otherwise noted. Input Characteristics N u mber of channels .................. ........ 8 a nalog inp u t channels Q u arter -bridge comple ...

  • National Instruments NI 9236 - page 21

    © National Instruments Co rp. 21 NI 9235/9236 Data rate range ( f s ) u sing internal master tim ebase Minim u m ...................... ........... ... 794 S/s Maxim u m ......... ......... ............ ..... 10 kS/s Data rate range ( f s ) u sing external master timebase Minim u m ...................... ......... ..... 195.3125 S/s Maxim u m .... ...

  • National Instruments NI 9236 - page 22

    NI 9235/9236 22 ni.com Acc u racy , NI 9235 Stability , NI 9235 Gain drift .. ........... ......... ........ 6 ppm/°C Offset drift ........... ......... ........ 2.2 μ V/V/°C Measurement Conditions Per cent of Reading * (Gain Error) Per cent of Range †, ‡ (Offset Error) 30 days after ca l. ( ±5 °C) 1y e a r after cal. ( ±5 °C) Calibrated ...

  • National Instruments NI 9236 - page 23

    © National Instruments Co rp. 23 NI 9235/9236 Acc u racy , NI 9236 Stability , NI 9236 Gain drift .. ........... ......... ........ 6 ppm/°C Offset drift ........... ......... ........ 1.7 μ V/V/°C Measurement Conditions Per cent of Reading * (Gain Error) Per cent of Range †, ‡ (Offset Error) 30 days after ca l. ( ±5 °C) 1y e a r after ca ...

  • National Instruments NI 9236 - page 24

    NI 9235/9236 24 ni.com Channel-to-channel ma tching (calibrated) Phase nonlineari ty f in = 0 to 1 kHz..... ........... ......... ... ±0.002° f in = 0 to 4 kHz..... ........... ........... . ±0.1° Inp u t delay .......... ........... ......... .......... 38.2/ f s + 11 μ s Passband Freq u ency ..... ......... ........... ......... . 0.45 · f ...

  • National Instruments NI 9236 - page 25

    © National Instruments Co rp. 25 NI 9235/9236 Alias-free bandwidth ..... ......... .......... 0.45 · f s Oversample rate ......... ......... ........... ... 64 · f s Rejection at o versa mple rate 1 (f s = 10 kS/s) ......... ........... ......... ........ 80 dB @ 640 kHz Inp u t noise f s = 1 kS/s NI 9235 ......... ........... ............ 0.38 ...

  • National Instruments NI 9236 - page 26

    NI 9235/9236 26 ni.com Crosstalk ( f in = 1 kHz) .......... ............ –100 dB Common-mode vo ltage, all signals to earth gro u nd ......... ........ ±60 VDC CMRR ( f in = 0 to 60 Hz) NI 9235 ........... ........... ............ ..... 120 dB NI 9236 ........... ........... ............ ..... 110 dB MTBF .......... ........... ............ .... ...

  • National Instruments NI 9236 - page 27

    © National Instruments Co rp. 27 NI 9235/9236 Shunt Calibration Characteristics Sh u nt calibration acc u rac y Resistance NI 9235 ........... ........... ............ ..... 50 k Ω NI 9236 ........... ........... ............ ..... 100 k Ω O u tp u t val u e NI 9235 ........... .................. .......... –599.28 μ V/V NI 9236 ........... . ...

  • National Instruments NI 9236 - page 28

    NI 9235/9236 28 ni.com Excitation Characteristics Excitation type .... ........... ......... .......... Consta nt voltage Excitation v al u e NI 9235 ......... ...................... ........ 2.0 V ± 1% NI 9236 ......... ...................... ........ 3.3 V ± 1% Maxim u m o u tp u t c u rrent NI 9235 ........... ........... ............ ..... 80 ...

  • National Instruments NI 9236 - page 29

    © National Instruments Co rp. 29 NI 9235/9236 Thermal dissipation (at 70 °C) NI 9235 Activ e mode .... ........... .......... 735 mW max Sleep mode ........ ......... ......... . 2 5 μ W max NI 9236 Activ e mode .... ........... .......... 675 mW max Sleep mode ........ ......... ......... . 2 5 μ W max Physical Characteristics If yo u need to ...

  • National Instruments NI 9236 - page 30

    NI 9235/9236 30 ni.com Isolation Channel-to-channel ............ ........ None Channel-to-earth gro u nd Contin u o u s .... ........... ......... ... 60 VDC, Meas u rement Category I W i thstand ........ ........... ......... . 1,000 V rms , ve ri fi ed by a 5 s dielectric withstand test Meas u rement Cate gory I is for meas u rements performed on ...

  • National Instruments NI 9236 - page 31

    © National Instruments Co rp. 31 NI 9235/9236 Safety Standards This prod u ct is designed to meet the req u ire ments of the follo wing standards of safety for electrical 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 ications, refer to the pr ...

  • National Instruments NI 9236 - page 32

    NI 9235/9236 32 ni.com Environmental National Instr u ments C Series mod u les are intend ed for indoor u se only b u t may be u sed o u tdoors if installed in a s u itabl e enclos u re. Refer to th e man u al for the chassis yo u are u sing for more information abo u t meeting th ese specif ications. Operating temperat u re (IEC 60068-2-1, IEC 600 ...

  • National Instruments NI 9236 - page 33

    © National Instruments Co rp. 33 NI 9235/9236 Shock and Vibration T o meet these specif ications, yo u m u st panel mo u nt the system and u se the NI 9965 backshell to protect the connectio ns. 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 60 ...

  • National Instruments NI 9236 - page 34

    NI 9235/9236 34 ni.com 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 app licable E u ropean directi ves, as amended for CE markings, as follo ws: • 2006/95/EC; Low-V oltage Directive (safety) • 2004/108/EC; Electromagneti c Compatibility Directive (EMC) ...

  • National Instruments NI 9236 - page 35

    © National Instruments Co rp. 35 NI 9235/9236 For additional en vironmental information, refer to the NI and the Environment W eb page at ni.com/environment . This page contains the en vironmental reg u lations and direct i ves with which NI complies, as well as othe r en vironmental information not incl u ded in this doc u ment. Waste Electrical ...

  • National Instruments NI 9236 - page 36

    NI 9235/9236 36 ni.com Calibration Yo u can obtain the calibration cert ificate and information abo u t calibration services for th e NI 9235/9236 at ni.com/ calibration . Calibration interval ............... ........... . 1 year 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 n ...

  • National Instruments NI 9236 - page 37

    © National Instruments Co rp. 37 NI 9235/9236 and follo w the calling instr u ctions or dial 512 795 8248. F or telephone s u pport o u tside the United Stat es, contact yo u r local branch off ice: A u stralia 1800 300 800, A u stria 43 662 457990-0, Belgi u m 32 (0) 2 757 0020, Brazil 55 11 3262 35 99, Canada 800 433 3488, China 86 21 5050 9800, ...

  • National Instruments NI 9236 - page 38

    © 2008 National I nstruments Corp. All rights reserved. 374645A-01 Jun08 National Instruments, NI, n i.com, and LabVIEW are trademarks of National Instrument s Corporation. 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 tradema rks ...

Fabricant National Instruments Catégorie Network Card

Les documents que nous recevons du fabricant de l'appareilNational Instruments NI 9236 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques National Instruments
- manuels d’utilisations NI 9236
- fiches produit National Instruments
- dépliants
- ou étiquettes-énergie National Instruments NI 9236
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation National Instruments NI 9236.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation National Instruments NI 9236, manuels d’entretien, brefs manuels ou manuels de l’utilisateur National Instruments NI 9236. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit National Instruments NI 9236.

Manuels d’utilsiation similaires

Manuel d’utilisation complet de l’appareil National Instruments NI 9236, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser National Instruments NI 9236 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs National Instruments NI 9236.

Le manuel d’utilisation complet National Instruments, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel National Instruments NI 9236 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières National Instruments NI 9236, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lNational Instruments NI 9236 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil National Instruments NI 9236 - qui devraient nous aider dans les premières étapes lors de l'utilisation National Instruments NI 9236
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de National Instruments NI 9236
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service National Instruments NI 9236 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

Avez-vous une question à propos de National Instruments NI 9236?

Utiliser le formulaire ci-dessous

Si vous n’avez pas résolu votre problème avec National Instruments NI 9236, avec l'aide du manuel que vous avez trouvé, posez une question en utilisant le formulaire ci-dessous. Si un utilisateur a eu un problème similaire avec National Instruments NI 9236 il est probable qu’il a envie de partager la façon de le résoudre.

Réécrire le texte de l'image

Captcha
Nouvelle image

Commentaires (0)