Description
The National Instruments PXIe-4480, part number 784277-01, is a versatile PXI Vibration and Sound Module designed for a wide range of applications, with a maximum sample rate of 1.25 MS/s that can be increased to 20 MS/s in time domain mode to capture rapid transients. Operating at a frequency range starting from 3.4 Hz, this module is equipped with features such as programmable AC/DC coupling, load estimation, voltage excitation, IEPE excitation, and TEDS support, enhancing its capability to handle complex sound and vibration analysis tasks.
Its applications are diverse and include audio testing, acoustic measurements, environmental noise testing, vibration analysis, NVH (Noise, Vibration, and Harshness) measurements, as well as specialized uses like high-speed impact, pressure event analysis, and underwater transient acoustic measurements. The PXIe-4480 provides flexibility in input configuration, offering a pseudo-differential setup with a 50 Ω resistor to ground for floating sources, and a differential configuration which is preferred for grounded or ground-referenced sources. These technical specifications underscore the module’s adaptability and precision in demanding sound and vibration analysis scenarios.
| Specification | Detail |
|---|---|
| Part Number | 784277-01 |
| Product Line | National Instruments PXIe-4480 PXI Vibration and Sound Module |
| Maximum Sample Rate | 1.25 MS/s (up to 20 MS/s in time domain mode) |
| Frequency Range | 3.4 Hz |
| Features | Programmable AC/DC coupling, load estimation, voltage excitation, IEPE excitation, TEDS support |
| Applications | Audio testing, acoustic measurements, environmental noise testing, vibration analysis, NVH measurements, high speed impact and pressure events, underwater transient acoustic measurements |
| Input Configuration | Pseudo-differential (with 50 Ω resistor to ground for floating sources), Differential (preferred for grounded or ground-referenced sources) |
Question 1: What are some of the adaptable features of the National Instruments PXIe-4480 that make it suitable for complex sound and vibration analysis tasks?
Answer 1: The enhanced capabilities provided by features such as programmable AC/DC coupling, load estimation, and TEDS support in the National Instruments PXIe-4480 Vibration and Sound Module include the ability to tailor the input signal conditioning to specific test requirements, accurately estimate the connected sensor load for improved measurement integrity, and automatically identify and configure sensors, streamlining setup and ensuring accurate data acquisition in complex sound and vibration analysis tasks.
Question 2: What are the unique features and capabilities of the National Instruments PXIe-4480 that make it suitable for complex sound and vibration analysis tasks in various applications such as NVH measurements and underwater transient acoustic measurements?
Answer 2: The National Instruments PXIe-4480 is equipped with unique features and capabilities such as a high maximum sample rate of up to 20 MS/s in time domain mode, programmable AC/DC coupling, load estimation, voltage and IEPE excitation, and TEDS support, which make it highly suitable for complex sound and vibration analysis tasks in a variety of applications, including NVH measurements and underwater transient acoustic measurements, due to its precision and adaptability in handling rapid transients and providing flexible
Question 3: What is the function of the programmable AC/DC coupling feature in the National Instruments PXIe-4480 Vibration and Sound Module?
Answer 3: Some of the adaptable features of the National Instruments PXIe-4480 that make it suitable for complex sound and vibration analysis tasks include programmable AC/DC coupling, load estimation, voltage excitation, IEPE excitation, TEDS support, and the ability to increase its maximum sample rate from 1.25 MS/s to 20 MS/s in time domain mode for capturing rapid transients.
Question 4: What are the capabilities and typical applications of the National Instruments PXIe-4480 sound and vibration module?
Answer 4: The programmable AC/DC coupling feature in the National Instruments PXIe-4480 Vibration and Sound Module allows users to select between AC coupling, which blocks direct current (DC) and only measures the alternating current (AC) components of a signal, and DC coupling, which measures both AC and DC components of the signal, providing versatility in testing and analysis for different types of sound and vibration signals.
Question 5: What are the enhanced capabilities provided by features such as programmable AC/DC coupling, load estimation, and TEDS support in the National Instruments PXIe-4480 Vibration and Sound Module?
Answer 5: The National Instruments PXIe-4480 sound and vibration module is capable of handling complex sound and vibration analysis with features like programmable AC/DC coupling, load estimation, voltage and IEPE excitation, and TEDS support, and it is commonly used for audio testing, acoustic measurements, environmental noise testing, vibration analysis, NVH measurements, high-speed impact, pressure event analysis, and underwater transient acoustic measurements.
