NI-9234 具有较宽的动态范围，可以适应不同幅度和频率的信号输入

描述

NI-9234 具有较宽的动态范围，可以适应不同幅度和频率的信号输入

4通道动态信号采集模块是一种数据采集卡，例如NI 9234。NI-9234能针对配备NI CompactDAQ或NI CompactRIO系统的集成电路压电式（IEPE）与非集成电路压电式（IEPE）传感器，进行高精度音频测量。

具体来说，4通道动态信号采集模块的主要功能和特性包括：

多通道输入：具有4个输入通道，可以同时采集多个信号。
高精度测量：具有高精度的模数转换器（ADC），可以对输入信号进行高精度的数字化转换。
动态范围宽：具有较宽的动态范围，可以适应不同幅度和频率的信号输入。
软件可选的信号调理：通过软件可以选择不同的信号调理方式，如IEPE信号调理等，以适应不同类型的传感器和测量需求。
高速数据采集：具有高速的数据采集能力，可以实时地采集和处理动态信号。
灵活的配置和编程接口：提供灵活的配置和编程接口，方便用户根据实际需求进行配置和编程。

4通道动态信号采集模块是一款动态信号采集模块，NI-9234可配合NI-CRIO平台进行使用。该模块模拟端支持4通道24位分辨率同步采集，最高采样率可达204.8k，具备良好的动态范围和低噪声指标。

该模块集成了软件可选的输入类型、耦合方式以及±5V/±1V输入范围，且每通道均具有IEPE传感器故障诊断功能，可以对外部传感器的开路、短路状态进行实时监测和报警显示。另外，该模块支持通过共享时钟的方式来实现多模块、多机箱的高精度同步，可以满足传感器阵列的同步测量采集的需求。

相较于市面上其他同类别产品，该模块具有性能优异、性价比高、货期可控等特点，是动态信号采集应用的理想选择。

NI-9234 具有较宽的动态范围，可以适应不同幅度和频率的信号输入

A 4-channel dynamic signal acquisition module is a data acquisition card, such as NI 9234. The NI-9234 performs high-precision audio measurements on integrated circuit piezoelectric (IEPE) and non-integrated circuit piezoelectric (IEPE) sensors equipped with NI CompactDAQ or NI CompactRIO systems.

Specifically, the main functions and features of the 4-channel dynamic signal acquisition module include:

Multi-channel input: With 4 input channels, multiple signals can be collected at the same time.
High-precision measurement: With high-precision analog-to-digital converter (ADC), it can perform high-precision digital conversion of the input signal.
Wide dynamic range: has a wide dynamic range, can adapt to different amplitude and frequency of signal input.
Software optional signal conditioning: Different signal conditioning methods, such as IEPE signal conditioning, can be selected through the software to adapt to different types of sensors and measurement needs.
High-speed data acquisition: with high-speed data acquisition capabilities, you can collect and process dynamic signals in real time.
Flexible configuration and programming interfaces: Provides flexible configuration and programming interfaces for users to configure and program based on actual requirements.

The 4-channel dynamic signal acquisition module is a dynamic signal acquisition module, NI-9234 can be used with the NI-CRIO platform. The analog end of the module supports 4-channel 24-bit resolution synchronous acquisition, the highest sampling rate can reach 204.8k, and has a good dynamic range and low noise index.

The module integrates the optional input type, coupling mode and ±5V/±1V input range of the software, and each channel has the IEPE sensor fault diagnosis function, which can real-time monitor and alarm display the open and short circuit state of the external sensor. In addition, the module can realize high-precision synchronization of multi-module and multi-chassis by sharing clock, which can meet the requirements of synchronous measurement and acquisition of sensor array.

Compared with other products in the same category on the market, the module has excellent performance, cost-effective, controllable delivery and other characteristics, making it an ideal choice for dynamic signal acquisition applications.