Related Manuals for National Instruments 9232
Summary of Contents for National Instruments 9232
- Page 1 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9232 3-Channel, ±30 V, 24-Bit Software Selectable IEPE and AC/DC Analog Input Module Français Deutsch ni.com/manuals...
- Page 2 This document describes how to use the National Instruments 9232 and includes specifications and terminal assignments for the NI 9232. For information about installing, configuring, and programming the system, refer to the system documentation. Visit and enter the following Info Codes: ni.com/info...
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Page 3: Safety Guidelines For Hazardous Locations
Instruments for repair. Safety Guidelines for Hazardous Locations The NI 9232 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4, and Ex nA IIC T4 hazardous locations; and nonhazardous locations only. - Page 4 AI terminals. The protection device must prevent the AI+ to AI- voltage from exceeding 42 V if there is a transient overvoltage condition. 4 | ni.com | NI 9232 Operating Instructions and Specifications...
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Page 5: Special Conditions For Hazardous Locations Use In Europe
II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9232 in Gas Group IIC hazardous locations, you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4, EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment. - Page 6 (National Instruments part number 611461-01) in accordance with the product installation instructions. Refer to the NI 9232 product page on for purchasing information about ni.com clamp-on ferrite beads. 6 | ni.com | NI 9232 Operating Instructions and Specifications...
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Page 7: Cable Requirements For Emc Compliance
Install a clamp-on ferrite bead (National Instruments part number 611461-01) on the input cables for each channel that you are connecting to on the NI 9232. Refer to Figure 1 for a diagram. • Clamp-on ferrite beads must be installed on the cable as close to the module as possible. - Page 8 Figure 1. NI 9232 Cable Connections for EMC Compliance Shield AI0+ Signal AI0– Source Shield AI1+ Signal AI1– Source Shield AI2+ Signal AI2– Source NI 9232 8 | ni.com | NI 9232 Operating Instructions and Specifications...
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Page 9: Special Guidelines For Marine Applications
In addition, take precautions when designing, selecting, and installing measurement probes and cables to ensure that the desired EMC performance is attained. NI 9232 Operating Instructions and Specifications | © National Instruments | 9... - Page 10 The NI 9232 has three 2-terminal detachable screw-terminal connectors that provide connections to three simultaneously sampled analog input channels. Figure 2. NI 9232 Terminal Assignments AI0+ AI0– AI1+ AI1– AI2+ AI2– 10 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 11 NI 9232. If you make a ground-referenced connection between the signal source and the NI 9232, make sure the voltage on the AI+ and AI- connections are in the channel-to-earth safety voltage range to ensure proper operation of the NI 9232. Refer to the...
- Page 12 Figure 3. Connecting a Grounded Signal Source to the NI 9232 Signal Source AI– – NI 9232 Common Mode Voltage Figure 4. Connecting a Floating Signal Source to the NI 9232 Signal Source AI– – NI 9232 12 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 13 The NI 9232 can also provide an IEPE excitation current for each channel to measure IEPE sensors. Typical IEPE sensors have a case that is electrically isolated from the IEPE electronics, so connecting the sensor to the NI 9232 results in a floating connection even though the case of the sensor is grounded.
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Page 14: Wiring For High-Vibration Applications
Resistor Bias Prefilter 50 Ω Current NI 9232 The NI 9232 also has TEDS circuitry. For more information about TEDS, go to and enter ni.com/info rdteds Wiring for High-Vibration Applications If an application is subject to high vibration, National Instruments... - Page 15 Figure 7. NI 9971 Backshell You must use 2-wire ferrules to create a secure Note connection when connecting more than one wire to a single terminal on the NI 9232. NI 9232 Operating Instructions and Specifications | © National Instruments | 15...
- Page 16 The small amount of variation in gain with respect to frequency is called the passband flatness. The digital filters of the NI 9232 adjust the frequency range of the passband to match the data rate. Therefore, the amount of gain or attenuation at a given frequency depends on the data rate.
- Page 17 Figure 8. NI 9232 Typical Passband Flatness 0.10 0.08 0.06 0.04 0.02 0.00 –0.02 –0.04 –0.06 –0.08 –0.10 Frequency/Data Rate NI 9232 Operating Instructions and Specifications | © National Instruments | 17...
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Page 18: Alias-Free Bandwidth
Alias-Free Bandwidth Any signal that appears in the alias-free bandwidth of the NI 9232 is not an aliased artifact of signals at a higher frequency. The alias-free bandwidth is defined by the ability of the digital filter to reject frequencies above the stopband frequency, and it is equal to the data rate minus the stopband frequency. - Page 19 The frequency of a master timebase ( f ) controls the data rate ( f of the NI 9232. The NI 9232 includes an internal master timebase with a frequency of 13.1072 MHz. When using the internal master timebase, the result is data rates of 102.4 kS/s, 51.2 kS/s, 25.6 kS/s, 17.067 kS/s, and so on down to 0.98 kS/s, depending on the...
- Page 20 102.40 9.31 4.88 51.20 8.53 4.65 34.13 7.88 4.45 25.60 7.31 4.27 20.48 6.83 4.10 17.07 6.40 3.94 14.63 6.02 3.66 12.80 5.69 3.41 11.38 5.39 3.20 10.24 5.12 3.01 20 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 21 (kS/s) Rate 2.84 1.97 1.22 2.69 1.83 1.16 2.56 1.71 1.11 2.44 1.60 1.07 2.33 1.51 1.02 2.23 1.42 0.98 2.13 1.35 — — 2.05 1.28 — — NI 9232 Operating Instructions and Specifications | © National Instruments | 21...
- Page 22 When using an external timebase with a frequency other than 13.1072 MHz, the NI 9232 has a different set of data rates. Refer to the software help for information about configuring the master timebase source for the NI 9232.
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Page 23: Sleep Mode
Refer to the Specifications section for more information about power consumption and thermal dissipation. NI 9232 Operating Instructions and Specifications | © National Instruments | 23... -
Page 24: Specifications
TEDS capacitive drive...... 3000 pF Internal master timebase ( f Frequency ........13.1072 MHz Accuracy........±100 ppm Data rate range ( f ) using internal master timebase Minimum........0.985 kS/s Maximum ........102.4 kS/s 24 | ni.com | NI 9232 Operating Instructions and Specifications... - Page 25 -0.1 dB........0.87 Hz max The data rate must remain within the appropriate data rate range. Refer to the Understanding NI 9232 Data Rates section for more information. NI 9232 Operating Instructions and Specifications | © National Instruments | 25...
- Page 26 Figure 9. AC cutoff frequency response –0.5 –1.0 –1.5 –2.0 –2.5 –3.0 10.0 Frequency (Hz) 26 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 27 Typical ........4.25 mA IEPE excitation noise......100 nA IEPE compliance voltage....22 V min The DC + AC voltage must be below the overvoltage protection of the NI 9232. NI 9232 Operating Instructions and Specifications | © National Instruments | 27...
- Page 28 ......±45 V Refer to the software help for information on reading the IEPE fault detection status. Visit ni.com/info and enter cseriesdoc for information about C Series documentation. 28 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 29 Uncalibrated typ (23 °C ±5 °C) ±0.40% ±0.12% Range = 31.5 V † DC coupled Stability Gain drift ........±25 ppm/°C Offset drift (DC coupled) ... ±320 μV/°C NI 9232 Operating Instructions and Specifications | © National Instruments | 29...
- Page 30 For conformal coated version, the maximum flatness for 20 Hz to 20.48 kHz is 76 mdB. † For conformal coated version, the maximum flatness for 20 Hz to 40.96 kHz is 102mdB. 30 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 31 Crosstalk ( f = 1 kHz)...... -125 dB Refer to the Understanding NI 9232 Data Rates section for information regarding oversample rates. Rejection of analog prefilter at oversample rate. NI 9232 Operating Instructions and Specifications | © National Instruments | 31...
- Page 32 Dynamic range ( f = 1 kHz, -60 dBFS) Data Rate 102.4 kS/s 51.2 kS/s 25.6 kS/s AC coupled 99 dBFS 102 dBFS 105 dBFS DC coupled 100 dBFS 103 dBFS 106 dBFS 32 | ni.com | NI 9232 Operating Instructions and Specifications...
- Page 33 DIN 250 Hz/8 kHz 4:1 amplitude ratio ..... -80 dB CCIF 11 kHz/12 kHz 1:1 amplitude ratio ..... -100 dB MTBF ..........Contact NI for Bellcore MTBF or MIL-HDBK-217F specifications. NI 9232 Operating Instructions and Specifications | © National Instruments | 33...
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Page 34: Power Requirements
(0.28 in.) of insulation stripped from the end Torque for screw terminals ....0.22 N · m to 0.25 N · m (1.95 lb · in. to 2.21 lb · in.) 34 | ni.com | NI 9232 Operating Instructions and Specifications... -
Page 35: Safety Voltages
Between any two terminals....±45 V max Isolation Channel-to-channel ....None Channel-to-earth ground Continuous ......60 VDC, Measurement Category I Withstand ......1,000 V , verified by a 5 s dielectric withstand test NI 9232 Operating Instructions and Specifications | © National Instruments | 35... -
Page 36: Hazardous Locations
Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. Do not connect the NI 9232 to signals or use Caution for measurements within Measurement Categories II, III, or IV. -
Page 37: Safety Standards
EN 55011 (CISPR 11): Group 1, Class A emissions • AS/NZS CISPR 11: Group 1, Class A emissions • FCC 47 CFR Part 15B: Class A emissions • ICES-001: Class A emissions NI 9232 Operating Instructions and Specifications | © National Instruments | 37... -
Page 38: Online Product Certification
To obtain product certifications and the Declaration of Conformity (DoC) for this product, visit , search by ni.com/certification module number or product line, and click the appropriate link in the Certification column. 38 | ni.com | NI 9232 Operating Instructions and Specifications... -
Page 39: Shock And Vibration
Operating temperature (IEC 60068-2-1, IEC 60068-2-2) ..-40 °C to 70 °C Storage temperature (IEC 60068-2-1, IEC 60068-2-2) ..-40 °C to 85 °C Ingress protection......IP 40 NI 9232 Operating Instructions and Specifications | © National Instruments | 39... -
Page 40: Environmental Management
Our Environmental Impact web page at ni.com/environment This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document. 40 | ni.com | NI 9232 Operating Instructions and Specifications... -
Page 41: Waste Electrical And Electronic Equipment (Weee)
China RoHS compliance, go to ni.com/ environment/rohs_china Calibration You can obtain the calibration certificate and information about calibration services for the NI 9232 at ni.com/calibration Calibration interval ......1 year NI 9232 Operating Instructions and Specifications | © National Instruments | 41... -
Page 42: Worldwide Support And Services
United States, visit the Worldwide Offices section of to access the branch office ni.com/niglobal websites, which provide up-to-date contact information, support phone numbers, email addresses, and current events. 42 | ni.com | NI 9232 Operating Instructions and Specifications... - Page 43 For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents . You can find information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product.