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NI-9234, 4-Channel, Sound and Vibration Input Module
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National Instruments NI 9234 Sound and Vibration Input Module
The NI 9234 (Part Numbers: 779680-01, 779680-03, ) Sound and Vibration Input Module has four analog input channels and is designed to perform precise measurements from IEPE sensors. The only difference between the two part numbers is part number 779680-01 is not conformal coated, but part number 779680-03 is conformal coated. The dynamic range of this module is 102 dB. The input channels sample at rates as fast as 51.2 kS/s. Other specifications of this model include 24-bit resolution, 50 g shock, and 5 g vibration. The device weighs 6.1 oz.
The NI 9234 C Series Module comes equipped with built-in anti-aliasing filters that have the capability of automatically regulating to the sample rate the user specifies. This Sound and Vibration Input Module is compatible with a single-module USB carrier and NI CompactDAQ and CompactRIO hardware. The compatibility with these platforms make the NI-9234 well-suited for numerous mobile or portable applications, including in-vehicle noise, vibration, and harshness testing, and industrial machine condition monitoring. Additionally, this module can be swapped from one platform to another without any changes necessary.
When the NI 9234 module is combined with an NI USB-9162 carrier, the specifications will be similar. This two-part module is referred to as NI USB-9234. The NI USB-9234 can be linked to a computer with a USB cable and can also be mounted to a panel. Floating signal sensors or ground-referenced signal sensors can also be linked to the NI USB-9234.
The NI-9234 is run using the NI-DAQmx 9.2 (or later versions) driver software which must be installed first. After installation of the software, the user needs to install support for their choice Application Development Environment-which could be LabVIEW, LabWindows/CVI, C/C++, C#, or Visual Basic .NET. The device has a BNC I/O connector.
Both the NI 9234 and NI USB-9234 utilize analog and digital filtering to deliver a precise depiction of in-band signals, while also discarding out-of-band signals. Then, the filters differentiate between signals dependent on the bandwidth or frequency range of the signal. The three most vital bandwidths to take into consideration are the anti-imaging, stopband, and passband bandwidths.
| Model | NI-9234 |
|---|---|
| Manufacturer | National Instruments |
| Part Numbers | 779680-01, 779680-03, 194757B-01L |
| HTS Code | 8471809000 |
| Series | C Series |
| Type | Sound and Vibration Input Module |
| Channels | 4 |
| Maximum Sample Rate | 51.2 kS/s per channel |
| Connector | BNC |
| Weight | 6.1 oz. |
| Warranty | Three Year Warranty |
| NI-9234 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for the NI-9234:
779680-01, 779680-03, 781248-01, 781248-02, 783440-01, 193725A-01, 194757A-01, 194757A-01L, 194757B-01L, 194757C-01L, 194757D-01L, 194757E-01L, 195551A-01L, 195551A-03L, 195551B-01L, 195551B-02L, 195551B-03L, 195551B-04L, 195551C-01L, 195551C-03L, 195551C-04L, 195551D-01L, 195551D-03L, 195551D-04L, 195551E-03L, 199298A-01L, 199298A-03L, 779015-02, 779533-01
Associated NSNs for the NI-9234:
5963-01-571-3771 (5963015713771), 5963-01-571-3771 (5963015713771)
National Instruments NI-9234 Frequently Asked Questions:
Question: When I am applying a constant force, why is my load cell linked to the NI 9234 giving readings that delay greatly?
Answer: This may be happening because numerous load cells and external power supplies have AC Coupling circuitry, which is meant to discard DC noise parts from the external power supply. Sometimes this can cause the signal to decay exponentially. The choices you have are to either use sensors that do not have AC Coupling circuitry or if you require external excitation, pick a power supply without AC Coupling circuitry.
Question: Can I access the TEDS information from the NI 9234 without programming the FPGA?
Answer: No, you cannot access TEDS information on the NI 9234 while in scan mode. The module must be in FPGA mode.
Question: Why do I have to set a rate and begin an acquisition when using the NI 9234 module with a CompactRIO?
Answer: The NI 9234 is a Dynamic Signal Acquisition Module, which utilizes Delta Sigma converters and an oversample clock. The NI 9234 must use the anticipated sample rate to configure the oversample clock. Beginning the acquisition resets the module and applies the rate setting.
Question: Why is my NI 9234 providing a different sample rate from the one I selected?
Answer: The NI 9234 has discrete sample rates. Correct sample rates from this module will go by this formula: Fs = (Fm / 256) / N, where N is an integer between 1 and 31.
Where Fm is the internal time base. By default Fm is 13.1072 MHz.
Question: Does the NI 9234 have software selectable AC/DC coupling?
Answer: Yes, the NI 9234 has software selectable AC/DC coupling, whereas some other models in the C Series do not have this capability.
NI-9234 PDF Manuals
NI-9234 CALIBRATION PROCEDURE.PDF
NI-9234 GETTING STARTED GUIDE.PDF
NI-9234 LETTER OF VOLATILITY.PDF
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NI-9234
Modular Systems > National Instruments > C Series
NI-9234, 4-Channel, Sound and Vibration Input Module
1-800-915-6216
- Description
- Technical Specifications
- FAQ
- Manuals & PDFs
National Instruments NI 9234 Sound and Vibration Input Module
The NI 9234 (Part Numbers: 779680-01, 779680-03, ) Sound and Vibration Input Module has four analog input channels and is designed to perform precise measurements from IEPE sensors. The only difference between the two part numbers is part number 779680-01 is not conformal coated, but part number 779680-03 is conformal coated. The dynamic range of this module is 102 dB. The input channels sample at rates as fast as 51.2 kS/s. Other specifications of this model include 24-bit resolution, 50 g shock, and 5 g vibration. The device weighs 6.1 oz.
The NI 9234 C Series Module comes equipped with built-in anti-aliasing filters that have the capability of automatically regulating to the sample rate the user specifies. This Sound and Vibration Input Module is compatible with a single-module USB carrier and NI CompactDAQ and CompactRIO hardware. The compatibility with these platforms make the NI-9234 well-suited for numerous mobile or portable applications, including in-vehicle noise, vibration, and harshness testing, and industrial machine condition monitoring. Additionally, this module can be swapped from one platform to another without any changes necessary.
When the NI 9234 module is combined with an NI USB-9162 carrier, the specifications will be similar. This two-part module is referred to as NI USB-9234. The NI USB-9234 can be linked to a computer with a USB cable and can also be mounted to a panel. Floating signal sensors or ground-referenced signal sensors can also be linked to the NI USB-9234.
The NI-9234 is run using the NI-DAQmx 9.2 (or later versions) driver software which must be installed first. After installation of the software, the user needs to install support for their choice Application Development Environment-which could be LabVIEW, LabWindows/CVI, C/C++, C#, or Visual Basic .NET. The device has a BNC I/O connector.
Both the NI 9234 and NI USB-9234 utilize analog and digital filtering to deliver a precise depiction of in-band signals, while also discarding out-of-band signals. Then, the filters differentiate between signals dependent on the bandwidth or frequency range of the signal. The three most vital bandwidths to take into consideration are the anti-imaging, stopband, and passband bandwidths.
| Model | NI-9234 |
|---|---|
| Manufacturer | National Instruments |
| Part Numbers | 779680-01, 779680-03, 194757B-01L |
| HTS Code | 8471809000 |
| Series | C Series |
| Type | Sound and Vibration Input Module |
| Channels | 4 |
| Maximum Sample Rate | 51.2 kS/s per channel |
| Connector | BNC |
| Weight | 6.1 oz. |
| Warranty | Three Year Warranty |
| NI-9234 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
National Instruments NI-9234 Frequently Asked Questions:
Question: When I am applying a constant force, why is my load cell linked to the NI 9234 giving readings that delay greatly?
Answer: This may be happening because numerous load cells and external power supplies have AC Coupling circuitry, which is meant to discard DC noise parts from the external power supply. Sometimes this can cause the signal to decay exponentially. The choices you have are to either use sensors that do not have AC Coupling circuitry or if you require external excitation, pick a power supply without AC Coupling circuitry.
Question: Can I access the TEDS information from the NI 9234 without programming the FPGA?
Answer: No, you cannot access TEDS information on the NI 9234 while in scan mode. The module must be in FPGA mode.
Question: Why do I have to set a rate and begin an acquisition when using the NI 9234 module with a CompactRIO?
Answer: The NI 9234 is a Dynamic Signal Acquisition Module, which utilizes Delta Sigma converters and an oversample clock. The NI 9234 must use the anticipated sample rate to configure the oversample clock. Beginning the acquisition resets the module and applies the rate setting.
Question: Why is my NI 9234 providing a different sample rate from the one I selected?
Answer: The NI 9234 has discrete sample rates. Correct sample rates from this module will go by this formula: Fs = (Fm / 256) / N, where N is an integer between 1 and 31.
Where Fm is the internal time base. By default Fm is 13.1072 MHz.
Question: Does the NI 9234 have software selectable AC/DC coupling?
Answer: Yes, the NI 9234 has software selectable AC/DC coupling, whereas some other models in the C Series do not have this capability.
NI-9234 PDF Manuals & Diagrams
NI-9234 PDF Manuals
NI-9234 CALIBRATION PROCEDURE.PDF
NI-9234 GETTING STARTED GUIDE.PDF
NI-9234 LETTER OF VOLATILITY.PDF
Why Buy From Apex Waves
"The business transaction was super easy and friendly."
"Hand carrying parts to fedex directly to make sure I get them overnight. Great service"
"They were very helpful to get me the test equipment that I need."
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