Description
The National Instruments PXI-4461 is a PXI Sound and Vibration Module designed for a variety of applications, including audio test, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring. With a part number 779687-01, it falls under the category of PXI DSA (Dynamic Signal Acquisition). This module is capable of two-channel dynamic signal generation and acquisition, making it a versatile tool for engineers and researchers.
The PXI-4461 offers six gain settings for input range, allowing for flexible adaptation to different signal levels. Additionally, it provides programmable AC/DC coupling and IEPE (Integrated Electronics Piezo-Electric) conditioning, ensuring compatibility with a wide range of sensors and signal types. The module supports both differential and pseudo-differential terminal configurations for analog inputs, accommodating various wiring schemes and signal requirements.
One of the key features of the PXI-4461 is its 24-bit analog-to-digital converters, which ensure high-resolution data acquisition. It also includes digital filters to prevent aliasing, enhancing the quality of the acquired signals. Sampling rates are software-programmable, including options like 44.1 kS/s and 48.0 kS/s, providing flexibility in data capture and analysis.
The resistance between the BNC shell and chassis is specified at 50 Ω, indicating the module’s grounding and shielding characteristics. Furthermore, the PXI-4461 supports both digital and analog triggering, offering various ways to initiate data acquisition based on external or signal-based events. Synchronization features allow the acquisition clock to be synchronized with other devices, facilitating coordinated measurements in complex setups.
Overall, the National Instruments PXI-4461 PXI Sound and Vibration Module is a powerful tool for dynamic signal generation and acquisition, designed to meet the needs of demanding applications in audio testing, automotive NVH analysis, and machine condition monitoring.
| Specification | Detail |
|---|---|
| Part Number | 779687-01 |
| Category | PXI DSA |
| Model | PXI-4461 |
| Description | National Instruments PXI-4461 PXI Sound and Vibration Module |
| Channels | Two-channel dynamic signal generation and acquisition |
| Input Range Settings | Six gain settings |
| Coupling and Conditioning | Programmable AC/DC coupling and IEPE conditioning |
| Applications | Audio test, automotive NVH, machine condition monitoring |
| Terminal Configurations for AI | Differential and pseudo-differential |
| Resistance between BNC shell and chassis | 50 Ω |
| Digital Filters | Included to prevent aliasing |
| Synchronization | Acquisition clock can be synchronized with other devices |
| Triggering | Digital and analog |
| Resolution | 24-bit analog-to-digital converters |
| Sampling Rates | Software-programmable, including 44.1 kS/s and 48.0 kS/s |
