Description
The National Instruments PXI-4461 PXI Sound and Vibration Module is designed with a part number of 186900A-03, 779687-01 and falls under the category of PXI DSA. This module is specifically engineered for applications such as audio tests, automotive noise, vibration, and harshness (NVH), and machine condition monitoring.
It features a two-channel dynamic signal generation and two-channel acquisition, making it versatile for a wide range of sound and vibration analysis tasks. The input settings of the PXI-4461 include one of six gain settings for input range design, programmable AC/DC coupling, and IEPE conditioning, catering to various signal conditioning needs.
The module offers differential and pseudo-differential terminal configurations for analog input (AI), ensuring flexibility in connecting different sensor types. Additionally, it boasts a resistance of 50 Ω between the outer BNC shell and the chassis frame, minimizing potential signal interference.
Key analog input channel features include digital filters to prevent aliasing and per-channel configuration, which enhance the accuracy and quality of signal acquisition. The PXI-4461 supports acquisition clock synchronization, allowing for seamless integration with other devices in mixed-signal applications. This feature is crucial for ensuring synchronized data collection across multiple channels and devices.
Furthermore, the module provides both digital and analog triggering options, offering flexibility in initiating data acquisition based on specific signal conditions. With 24-bit resolution analog-to-digital converters, the PXI-4461 ensures high precision in signal conversion, capturing detailed nuances in sound and vibration signals.
The sampling rates are software-programmable, including common rates such as 44.1 kS/s and 48 kS/s, among others, allowing users to select the optimal rate for their specific application requirements. This level of customization ensures that the PXI-4461 can meet a wide range of sound and vibration analysis needs, from basic to advanced applications.
| Specification | Detail |
|---|---|
| Part Number | 186900A-03, 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 two-channel acquisition |
| Input Settings | One of six gain settings for input range design; Programmable AC/DC coupling; IEPE conditioning |
| Applications | Audio test, automotive noise, vibration, and harshness (NVH), machine condition monitoring |
| Terminal Configurations for AI | Differential and pseudo-differential |
| Resistance | 50 Ω between outer BNC shell and chassis frame |
| Analog Input Channel Features | Digital filters to prevent aliasing; Per channel configuration |
| Acquisition Clock Synchronization | Supports synchronization with other devices for mixed-signal applications |
| Triggering | Digital and analog |
| Resolution | 24-bit resolution analog-to-digital converters |
| Sampling Rates | Software-programmable, e.g., 44.1 kS/s, 48
Question 1: What is the part number of the PXI-4461? Question 2: How many channels does the PXI-4461 have? Question 3: What applications is the PXI-4461 used for? Question 4: What is the resolution of the PXI-4461’s ADCs? Question 5: Can the PXI-4461’s sampling rates be programmed? |



