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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9233 4-Channel, ± 5 V, 24-Bit IEPE Analog Input Module ni.com/manuals Deutsch Français.
NI 9233 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 9 233 and incl u des specif ications and con nector assignments for the NI 9233. V isit 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.
© National Inst ruments Corp. 3 NI 9233 Operating Instructi ons and Specific ations Safety Guidelines Operate the NI 9233 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 9233 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.
© National Inst ruments Corp. 5 NI 9233 Operating Instructi ons and Specific ations Special Conditions fo r Marine Appli cations 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.
NI 9233 Operating I nstruction s and Specificati ons 6 ni.com Connecting the NI 9233 The NI 9233 has fo u r BNC connectors that provide connections for fo u r sim u ltaneo u sly sampled analog inp u t channels.
© National Inst ruments Corp. 7 NI 9233 Operating Instructi ons and Specific ations Each channel has a BNC connector to which yo u can connect an Integrat ed Electronic Piez oelectri c (IEPE) sensor . The center pin of the connector , AI+, provides the DC excitation and the A C signal connection.
NI 9233 Operating I nstruction s and Specificati ons 8 ni.com Figure 2. Connecting a Grou nded IEPE Sensor to the NI 9233 Figure 3. Connecting a Floating IEPE Sensor to the NI 9233 NI 9233 IEPE Sensor.
© National Inst ruments Corp. 9 NI 9233 Operating Instructi ons and Specific ations The NI 9233 analog inp u t channels are referenced to the chassis gro u nd thro u gh a 50 Ω resistor . T o minimize gro u nd noise, make s u re that the chassis gro u nd is connected to the earth gro u nd.
NI 9233 Operating I nstruction s and Specificati ons 10 ni.com The NI 9233 also has TEDS circ u itry . For more information abo u t TEDS, visit ni.com/info and enter rdted s .
© National Inst ruments Corp. 11 NI 9233 Operating Instructi ons and Specific ations freq u ency depends on th e data rate. Fig u re 5 sho ws typical passband flatness for data rates above 25.65 kS/s and less than or eq u al to 25.65 kS/s. Figure 5. T ypical Passba nd Flat ness for the NI 9233 F requency/Data Rate 0.
NI 9233 Operating I nstruction s and Specificati ons 12 ni.com The relati ve phases of th ese signals also ha ve a freq u ency-dependent delay . The vari ation in the phase delay with freq u ency is called the phase nonlinearity . Fig u re 6 shows the phase nonlinearity for data rates abo ve 2 5.
© National Inst ruments Corp. 13 NI 9233 Operating Instructi ons and Specific ations Figure 6. Phase Nonlinearity of the NI 9233 0.45 0.15 4 2 0 –2 –4 0.10 0.05 0.00 0.40 0.35 0.30 0.25 0.20 Data Rate ≤ 25.65 kS/s Phase Error (Degrees) Data Rate > 25.
NI 9233 Operating I nstruction s and Specificati ons 14 ni.com 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.
© National Inst ruments Corp. 15 NI 9233 Operating Instructi ons and Specific ations share a single ma ster 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 9233. V isit ni.com/info and enter c s erie s doc for information abo u t C Series doc u mentation.
NI 9233 Operating I nstruction s and Specificati ons 16 ni.com Note The cRIO-9151 R Series Expansion chassis does not s u pport sharing timebases between mod u les. 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.
© National Inst ruments Corp. 17 NI 9233 Operating Instructi ons and Specific ations Specifications The follo wing specifications a re typical for the range – 40 to 70 °C u nless otherwise noted. Input Characteristics N u mber of channels ..... ..
NI 9233 Operating I nstruction s and Specificati ons 18 ni.com Data rates 1 ( f s ) f s ≤ 25.65 kS/s .......... .............. ..... , n = 2, 3, ..., 25 f s > 25.65 kS /s .............. ........... ... , n = 2, 3 Inp u t co u pling . ........... .
© National Inst ruments Corp. 19 NI 9233 Operating Instructi ons and Specific ations AC c u toff freq u ency response Inp u t range . ............. ............ ............. . ±5 V AC v o l t a g e f u ll-scale range Minim u m ........ ............
NI 9233 Operating I nstruction s and Specificati ons 20 ni.com Common-mode vo ltage range (AI– to earth gro u nd) .............. .......... ±2 V max IEPE excitation c u rrent Minim u m ........ ........... ............ ..... 2.0 mA T ypica l ......
© National Inst ruments Corp. 21 NI 9233 Operating Instructi ons and Specific ations Overv oltage protection (with respect to chassis gro u nd) For an IEPE se nsor connected to AI+ and AI– .... ............. .......... ±30 V For a lo w-impedance so u rce connected to AI+ and AI – .
NI 9233 Operating I nstruction s and Specificati ons 22 ni.com Channel-to-channel matching Gain T ypical ...... .............. ............. . 0.07 dB Maxim u m ...... ............. .......... 0.27 dB Phase ( f in in kHz) .. ........... .......... f in · 0.
© National Inst ruments Corp. 23 NI 9233 Operating Instructi ons and Specific ations Crosstalk ( f in = 1 kHz) Paired channels (0 and 1, 2 and 3)...... .......... ........ –100 dB Nonpaired channels ...... .............. –110 dB CMRR ( f in ≤ 1 kHz) Minim u m .
NI 9233 Operating I nstruction s and Specificati ons 24 ni.com T otal harmonic distortion (THD) Intermod u lation distortion (–1 dBFS) DIN 250 Hz/8 kHz 4:1 amplit u de ratio ......... ............ –80 dB CCIF 11 kHz/12 kHz 1:1 amplit u de ratio ..
© National Inst ruments Corp. 25 NI 9233 Operating Instructi ons and Specific ations Power Requirements Power cons u mption fr om chassis Active mode .............. ............ ..... 620 mW max Sleep mode .......... ........... ......... ... 0.5 mW max Thermal dissipation (at 70 °C) Active mode .
NI 9233 Operating I nstruction s and Specificati ons 26 ni.com Hazardous Locations U.S. (UL) .......... ........... ........... .......... Cla ss I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, AEx nC IIC T4 Canada (C-UL) .......... .........
© National Inst ruments Corp. 27 NI 9233 Operating Instructi ons and Specific ations Electromagnetic Compatibility This prod u ct meets the req u irements of the follo wing EMC standards for electric.
NI 9233 Operating I nstruction s and Specificati ons 28 ni.com CE Compliance This prod u ct meets the essent ial req u irem ents of app licable E u ropean Directi ves as follows: • 2006/95/EC; Low-V.
© National Inst ruments Corp. 29 NI 9233 Operating Instructi ons and Specific ations Operating shock (IEC 60068-2-27)........... ........... ........ 30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 s.
NI 9233 Operating I nstruction s and Specificati ons 30 ni.com Maxim u m altit u de.......... ......... .......... 2,000 m Poll u tion Degree (IEC 60664) .......... 2 Environmental Mana gement NI is committed to designing and man u fact u ring prod u cts in an en vironmentally responsibl e manner .
© National Inst ruments Corp. 31 NI 9233 Operating Instructi ons and Specific ations Calibration Yo u can obtain the calibration cert ificate and information abo u t calibration services for the NI 9233 at ni.com/calibration . Calibration interval ..
NI 9233 Operating I nstruction s and Specificati ons 32 ni.com 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 Inst ruments Corp. 33 NI 9233 Operating Instructi ons and Specific ations Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28, Malaysia 1800 887710, Mexico 01 800 010 0793, Netherlands 31 (0.
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