National InstrumentsメーカーNI 9229の使用説明書/サービス説明書
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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9229/9239 4-Channel, ±60/±10 V, 2 4-Bit Simultaneous, Channel-to-Chan nel Isolated Analog In put Modules ni.
NI 9229/9239 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9229 and National Instr u ments 9239 and incl u des specif ications and terminal assignments. In t his doc u ment, the NI 9229 and NI 9239 are referred to incl u si v ely as the NI 9229/9239.
© National Instruments Corp. 3 NI 9229/9239 Safety Guidelines Operate the NI 92 29/ 9239 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 .
NI 9229/9239 4 ni.com Caution When mod u le terminals are hazardo u s voltage LIVE (>42.4V pk /60 VDC), yo u m u st ens u re that devices and circ u its connected to the mod u le are properly ins u lated from h u man contact . Y o u m u st u se the NI 9971 connector backshell kit to ens u re that the terminals are not accessible.
© National Instruments Corp. 5 NI 9229/9239 Safety Guidelines fo r Hazardous Loca tions The NI 922 9/9239 is s u itable for u se in Class I, Division 2, Gro u ps A, B, C, D, T4 hazardo u s locations; C lass I, Zone 2, AEx nA IIC T4, and Ex nA IIC T4 hazardo u s locations; and nonhazardo u s locations on ly .
NI 9229/9239 6 ni.com Caution For Zone 2 applications, install a protection device between the inp u t signal and the NI 9229/9239 inp u t terminal. The device m u st pre vent the inp u t channel-to-COM voltage from exceeding 85 V if there is a transient overv oltage condition.
© National Instruments Corp. 7 NI 9229/9239 Special Conditions fo r Marine Applications Some mod u les are Lloyd’ s Register (LR) T ype Approv ed for marine applications. T o verify Lloyd’ s Register certif ication, go to ni.com/certification and search for the LR certificate, or look for the Lloyd’ s Re gister mark on the mod u le.
NI 9229/9239 8 ni.com Connecting the NI 9229/9239 The NI 9229/ 9239 provides connections for fo u r sim u ltaneo u sly sampled, isolated analog inp u t channels.
© National Instruments Corp. 9 NI 9229/9239 The NI 922 9/9239 has fo u r 2-terminal de tachable scre w-terminal connectors. Note Yo u m u st u se 2-wire ferr u les to create a sec u re connection when connecting mo re than one wire to a sin gle ter min al o n th e NI 9229/9239.
NI 9229/9239 10 ni.com Figure 3. Connecting a Grounded Signal So urce to the NI 9229/9239 Figure 4. Connecting a Floating Signa l Source to the NI 9229/9239 NI 9229/9239 Signal Source AI– + – AI+ .
© National Instruments Corp. 11 NI 9229/9239 The NI 9229/9239 analog inp u t channels are floating with respect to earth gro u nd and each other . The incoming analog signal on each channel is conditioned, b u ffered, and th en sampled by a 24-bit Delta-Sigma ADC.
NI 9229/9239 12 ni.com 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 either u se ferr u les to terminate wires to the detachable scre w-ter minal connector or u se the NI 9971 backshell kit to protect the connections.
© National Instruments Corp. 13 NI 9229/9239 Understanding NI 9229/9239 Filtering The NI 9229/9239 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.
NI 9229/9239 14 ni.com Figure 7. T ypical Passband Flatness for the NI 9229/9239 F requency/Data Rate 0.5 0.4 0.025 0.000 –0.025 –0.050 0.3 0.2 0.1 0 Gain (dB).
© National Instruments Corp. 15 NI 9229/9239 Stopband The filter signif icantly atten u ates all signals abo ve the stop band freq u ency . The primary goal of the fi lter is to pre vent aliasing. Therefore, the stopband freq u ency scales precisel y with the data rate.
NI 9229/9239 16 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 9229/9239. V isit ni.com/info and enter c s erie s doc for information abo u t C Series doc u mentation.
© National Instruments Corp. 17 NI 9229/9239 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.
NI 9229/9239 18 ni.com Specifications The follo wing specifications a re typical for the range – 40 to 70 °C u nless otherwise noted. All v oltages are relativ e to the AI– signal on each channel u nless otherwise noted. The specific ations are the same for the NI 9229 and the NI 9239 u nless otherwise noted.
© National Instruments Corp. 19 NI 9229/9239 Data rate range ( f s ) u sing external master timebase Minim u m ...................... ......... ..... 390.625 S/s Maxim u m ......... ............ ......... ..... 51.2 kS/s Data rates 1 ( f s ) . ......
NI 9229/9239 20 ni.com Acc u racy , NI 9229 Measurement Conditions Percent of Reading (Gain Error) Percent of Range * (Offset Error) Calibrated max (– 40 to 70 °C) ±0.13% ±0.05% Calibrated typ (25 °C, ±5 °C) ±0.03% ±0.008% Uncalibrated max (– 40 to 70 °C) ±1.
© National Instruments Corp. 21 NI 9229/9239 Acc u racy , NI 9239 Inp u t noise NI 9229 ........... ........... ............ ..... 320 μ V rms NI 9239 ........... ........... ............ ..... 70 μ V rms Stability Gain drift ...... ........... ...
NI 9229/9239 22 ni.com Post calibration gain matc h (ch-to-ch, 20 kHz) ...... ........... ........... . 0.22 dB max Crosstalk (1 kHz) ......... ........... .......... –130 dB Phase mismatch (ch-to-ch) NI 9229 ......... ...................... .......
© National Instruments Corp. 23 NI 9229/9239 Alias-free bandwidth ..... ......... .......... 0.453 · f s –3 dB prefilter band width ( f s = 50 kS/s). ......... ........... ............ ..... 24.56 kHz CMRR ( f in = 60 Hz) NI 9229 ........... .....
NI 9229/9239 24 ni.com Power Requirements Power cons u mption fr om chassis Active mode .............. ......... ........ 740 mW max Sleep mode .......... ......... ........... ... 25 μ W max Thermal dissipation (at 70 °C) Active mode ..............
© National Instruments Corp. 25 NI 9229/9239 Safety Safety Voltages Connect only v oltages that are within the follo wing limits. Channel-to-earth gro u nd isolation Contin u o u s ............ ......... ............ 250 V rms , Meas u rement Category II W ithstand .
NI 9229/9239 26 ni.com Meas u rement Cate gory I is for meas u rements performed on circ u its not directly connected to the electrica l distrib u tion system referred to as MAINS vo ltage. MAINS is a hazardo u s liv e electric al s u pply system that powers eq u ipment.
© National Instruments Corp. 27 NI 9229/9239 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.
NI 9229/9239 28 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.
© National Instruments Corp. 29 NI 9229/9239 Shock and Vibration T o meet these specificati ons, yo u m u st panel mo u nt the system and either af fix ferr u les to the ends of the terminal wires or u se the NI 9971 backshell kit to protect the connections.
NI 9229/9239 30 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 .
© National Instruments Corp. 31 NI 9229/9239 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.
NI 9229/9239 32 ni.com Calibration Yo u can obtain the calibration cert ificate and information abo u t calibration services for th e NI 9229/9239 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.
© National Instruments Corp. 33 NI 9229/9239 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 3599, Canada 800 433 3488, China 86 21 5050 9800, Czec.
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National Instruments NI 9229をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNational Instruments NI 9229の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。National Instruments NI 9229の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。National Instruments NI 9229で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
National Instruments NI 9229を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNational Instruments NI 9229の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、National Instruments NI 9229に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNational Instruments NI 9229デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
