Description
The National Instruments PXI-4461 is a PXI Sound and Vibration Module designed for versatile applications in the field of sound and vibration analysis. With a part number of 779687-01, this module falls under the category of PXI DSA (Dynamic Signal Acquisition), making it a pivotal component in various testing and monitoring setups.
The PXI-4461 features two-channel dynamic signal generation and acquisition, allowing for comprehensive analysis and testing capabilities in a wide range of applications. This includes audio testing, automotive noise, vibration, and harshness (NVH), and machine condition monitoring, showcasing its versatility in different environments.
One of the remarkable features of this module is its input range design, which offers one of six gain settings, providing flexibility in handling various signal magnitudes. Additionally, the input coupling is AC/DC configurable, further enhancing its adaptability to different testing requirements.
Integrated IEPE conditioning is included, facilitating the direct connection of IEPE sensors, such as accelerometers and microphones, to the module. This feature simplifies the setup process and enhances the module’s capability in capturing high-quality sound and vibration data.
The PXI-4461 supports both differential and pseudo-differential terminal configurations for analog input (AI), offering robust options for minimizing noise and ensuring accurate data acquisition. Moreover, it has a built-in resistance between the BNC shell and chassis of 50 Ω, ensuring a safe and reliable connection.
To prevent aliasing, the module includes digital filters, which are crucial for maintaining the integrity of the acquired signals. The ability to synchronize the acquisition clock with other devices is another key feature, enabling coordinated data collection across multiple channels or modules.
Triggering options for this module are versatile, supporting both digital and analog triggers, which allows for precise control over the timing of data acquisition. The high-resolution 24-bit ADC ensures detailed and accurate signal representation, capturing the nuances of sound and vibration signals.
Finally, the PXI-4461 offers software-programmable sampling rates
| 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 Design | One of six gain settings |
| Input Coupling | AC/DC configurable |
| IEPE Conditioning | Included |
| 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 ADC |
| Sampling Rates | Software-programmable, examples include 44.1 kS/s
Question 1: What is the part number of the National Instruments PXI-4461? Question 2: Does the PXI-4461 support IEPE sensors? Question 3: How many channels does the PXI-4461 have? Question 4: Can the PXI-4461 handle AC/DC coupling? Question 5: What is the resolution of the PXI-4461’s ADC? |
