Description
Overview
Essential details:NI-9234 NI Sound and Vibration Input Module
The NI 9234 (Part Numbers: 779680-01 and 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.
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NI-9234 NI Sound and Vibration Input Module
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.