Page 2 - Note
NI 9233 Operating Instructions and Specifications 2 ni.com This doc u ment describes how to u se the National Instr u ments 9233 and incl u des specifications and connector assignments for the NI 9233. Visit ni.com/info and enter rd s oftwarever s ion to determine which software yo u need for the mo...
Page 3 - Safety Guidelines; Hot Surface; Safety Guidelines for Hazardous Locations; not; not
© National Instruments Corp. 3 NI 9233 Operating Instructions and Specifications 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. To u ching this component may res u lt in bodily inj u ry. Safety G...
Page 4 - Special Conditions for Hazardous Locations Use in Europe
NI 9233 Operating Instructions and Specifications 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 by IEC 60529 and EN 60529. Caution For Zone 2 a...
Page 5 - Special Conditions for Marine Applications
© National Instruments Corp. 5 NI 9233 Operating Instructions and Specifications Special Conditions for Marine Applications Some mod u les are Lloyd’s Register (LR) Type Approved for marine applications. To verify Lloyd’s Register certification, visit ni.com/certification and search for the LR certi...
Page 6 - r BNC connectors that provide connections for; NI 9233 Connector Assignments
NI 9233 Operating Instructions and Specifications 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. Figure 1. NI 9233 Connector Assignments AI3+AI3– AI2+AI2– AI0+AI0– AI1+AI1–
Page 7 - Specifications
© National Instruments Corp. 7 NI 9233 Operating Instructions and Specifications Each channel has a BNC connector to which yo u can connect an Integrated Electronic Piezoelectric (IEPE) sensor. The center pin of the connector, AI+, provides the DC excitation and the AC signal connection. The shell o...
Page 8 - Connecting a Grounded IEPE Sensor to the NI 9233
NI 9233 Operating Instructions and Specifications 8 ni.com Figure 2. Connecting a Grounded IEPE Sensor to the NI 9233 Figure 3. Connecting a Floating IEPE Sensor to the NI 9233 NI 9233 IEPE Sensor AI+ AI– + – NI 9233 + – AI– AI+ IEPE Sensor
Page 9 - Input Circuitry for One Channel of the NI 9233
© National Instruments Corp. 9 NI 9233 Operating Instructions and Specifications The NI 9233 analog inp u t channels are referenced to the chassis gro u nd thro u gh a 50 Ω resistor. To minimize gro u nd noise, make s u re that the chassis gro u nd is connected to the earth gro u nd. Each channel is...
Page 10 - rdted; Understanding NI 9233 Filtering; Passband
NI 9233 Operating Instructions and Specifications 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 . Understanding NI 9233 Filtering The NI 9233 u ses a combination of analog and digital filtering to provide an acc u rate represe...
Page 11 - freq; Typical Passband Flatness for the NI 9233
© National Instruments Corp. 11 NI 9233 Operating Instructions and Specifications freq u ency depends on the data rate. Fig u re 5 shows 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. Typical Passband Flatness for the NI 9233 Frequency/Dat...
Page 13 - Phase Nonlinearity of the NI 9233
© National Instruments Corp. 13 NI 9233 Operating Instructions and Specifications 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 (Deg rees) Data Rate > 25.65 kS/s Frequency/Data Rate
Page 14 - Stopband; Understanding NI 9233 Data Rates
NI 9233 Operating Instructions and Specifications 14 ni.com Stopband The filter significantly atten u ates all signals above the stopband freq u ency. The primary goal of the filter is to prevent aliasing. Therefore, the stopband freq u ency scales precisely with the data rate. The stopband rejectio...
Page 15 - erie
© National Instruments Corp. 15 NI 9233 Operating Instructions and Specifications share a single master timebase so u rce. Refer to the software help for information abo u t config u ring the master timebase so u rce for the NI 9233. Visit ni.com/info and enter c s erie s doc for information abo u t...
Page 16 - Sleep Mode
NI 9233 Operating Instructions and Specifications 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-power sleep mode. S u pport for sleep mode at the system level depends on the chassis that the m...
Page 17 - Input Characteristics
© National Instruments Corp. 17 NI 9233 Operating Instructions and Specifications Specifications The following specifications are typical for the range – 40 to 70 °C u nless otherwise noted. Input Characteristics N u mber of channels .......................... 4 analog inp u t channels ADC resol u t...
Page 22 - Gain
NI 9233 Operating Instructions and Specifications 22 ni.com Channel-to-channel matching Gain Typical.................................. 0.07 dBMaxim u m ............................. 0.27 dB Phase ( f in in kHz) ....................... f in · 0.077° + 0.067° Passband Flatness (pk-to-pk max) f s ≤ 25....
Page 23 - Minim; Idle channel noise and noise density; Idle Channel; Noise
© National Instruments Corp. 23 NI 9233 Operating Instructions and Specifications 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 .................................... 44 dB Typi...
Page 24 - Intermod; Contact NI for Bellcore MTBF specifications; Input; –1 dBFS
NI 9233 Operating Instructions and Specifications 24 ni.com Total 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 ..................... –93 dB MTBF .............................
Page 25 - Power Requirements; Safety Voltages
© National Instruments Corp. 25 NI 9233 Operating Instructions and Specifications Power Requirements Power cons u mption from chassis Active mode ............................... 620 mW maxSleep mode ................................. 0.5 mW max Thermal dissipation (at 70 °C) Active mode ................
Page 26 - Hazardous Locations; Online Product Certification
NI 9233 Operating Instructions and Specifications 26 ni.com Hazardous Locations U.S. (UL) .......................................... Class I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2,AEx nC IIC T4 Canada (C-UL) ................................. Class I, Division 2, Gro u ps A, B, C, D, T...
Page 27 - Electromagnetic Compatibility
© National Instruments Corp. 27 NI 9233 Operating Instructions and Specifications Electromagnetic Compatibility This prod u ct meets the req u irements of the following EMC standards for electrical eq u ipment for meas u rement, control, and laboratory u se: • EN 61326 (IEC 61326): Class A emissions...
Page 28 - CE Compliance; certification; Shock and Vibration
NI 9233 Operating Instructions and Specifications 28 ni.com CE Compliance This prod u ct meets the essential req u irements of applicable E u ropean Directives as follows: • 2006/95/EC; Low-Voltage Directive (safety) • 2004/108/EC; Electromagnetic Compatibility Directive (EMC) Online Product Certifi...
Page 29 - Environmental
© National Instruments Corp. 29 NI 9233 Operating Instructions and Specifications Operating shock(IEC 60068-2-27).............................. 30 g, 11 ms half sine, 50 g, 3 ms half sine,18 shocks at 6 orientations Environmental National Instr u ments C Series mod u les are intended for indoor u se...
Page 30 - Environmental Management; NI and the; Waste Electrical and Electronic Equipment (WEEE); EU Customers; must
NI 9233 Operating Instructions and Specifications 30 ni.com Maxim u m altit u de............................. 2,000 m Poll u tion Degree (IEC 60664) .......... 2 Environmental Management NI is committed to designing and man u fact u ring prod u cts in an environmentally responsible manner. NI recogn...
Page 31 - Calibration; Yo; RoHS; Ёᅶ᠋; ヺড়Ё⬉ᄤֵᙃ; National Instruments; ড়㾘ᗻֵᙃˈ䇋ⱏᔩ; about China RoHS compliance, go to; environmen
© National Instruments Corp. 31 NI 9233 Operating Instructions and Specifications Calibration Yo u can obtain the calibration certificate and information abo u t calibration services for the NI 9233 at ni.com/calibration . Calibration interval ........................... 1 year ⬉ᄤֵᙃѻક∵ᶧࠊㅵ⧚ࡲ⊩ ˄Ё Ro...
Page 32 - Where to Go for Support; upport
NI 9233 Operating Instructions and Specifications 32 ni.com Where to Go for Support The National Instr u ments Web site is yo u r complete reso u rce for technical s u pport. At ni.com/ s upport yo u have access to everything from tro u bleshooting and application development self-help reso u rces t...
