NI PXI-6281多功能數據采集卡
1.產 品 資 料 介 紹：
中文資料：
NI PXI-6281是National Instruments（NI）公司生產的一款多功能數據采集卡。它是PXI（PCI eXtensions for Instrumentation）平臺上的一部分，提供了高性能的數據采集和信號生成功能。
該卡的主要配置和功能說明如下：
通道數量：PXI-6281具有16個模擬輸入通道和兩個模擬輸出通道。這些通道可以用于采集或生成模擬信號。
分辨率和采樣率：該卡支持高分辨率的模擬信號處理，具有16位的模數轉換器（ADC）和16位的數模轉換器（DAC）。采樣率可達到每秒250 kS/s。
輸入范圍：PXI-6281支持多種輸入范圍，可以根據需要選擇合適的范圍來適應不同的信號幅度。
輸入耦合：該卡提供了多種輸入耦合方式，如直流耦合和交流耦合，以適應不同類型的信號。
數字I/O：除了模擬輸入輸出通道外，PXI-6281還提供了8個數字輸入/輸出通道，可用于數字信號的采集和生成。
觸發和同步：該卡支持多種觸發和同步方式，如軟件觸發、硬件觸發和外部時鐘同步，以實現精確的數據采集和生成。
軟件支持：NI PXI-6281可以與NI的LabVIEW、LabWindows/CVI和其他各種編程環境集成，提供了豐富的軟件支持和開發工具。
應用領域： NI PXI-6281廣泛應用于各種需要高性能數據采集和信號生成功能的領域，包括但不限于以下應用：
自動化測試和測量：PXI-6281可用于自動化測試系統中的數據采集、信號分析和波形生成，廣泛應用于電子設備測試、傳感器測試、聲學分析等領域。
控制系統：該卡可用于實時控制系統，例如機器人控制、運動控制和工業自動化領域。
物理實驗：PXI-6281可用于物理實驗室中的數據采集和控制應用，如信號分析、振動分析、光學實驗等。
聲音和振動分析：該卡具有高精度的模擬輸入和輸出通道，適用于聲音和振動信號的采集和生成，可用于聲學研究、噪聲分析和振動測試等領域。
英文資料：
NI PXI-6281 is a multifunctional data acquisition card produced by National Instruments (NI). It is part of the PXI (PCI eXtensions for Instrumentation) platform and provides high-performance data acquisition and signal generation capabilities.
The main configuration and functional description of this card are as follows:
Number of channels: PXI-6281 has 16 analog input channels and two analog output channels. These channels can be used to collect or generate analog signals.
Resolution and sampling rate: This card supports high-resolution analog signal processing, with a 16 bit analog-to-digital converter (ADC) and a 16 bit analog-to-digital converter (DAC). The sampling rate can reach 250 kS/s.
Input range: PXI-6281 supports multiple input ranges, and suitable ranges can be selected according to needs to adapt to different signal amplitudes.
Input coupling: This card provides multiple input coupling methods, such as DC coupling and AC coupling, to adapt to different types of signals.
Digital I/O: In addition to analog input/output channels, PXI-6281 also provides 8 digital input/output channels that can be used for digital signal acquisition and generation.
Triggering and synchronization: The card supports multiple triggering and synchronization methods, such as software triggering, hardware triggering, and external clock synchronization, to achieve accurate data collection and generation.
Software support: NI PXI-6281 can integrate with NI's LabVIEW, LabWindows/CVI, and various other programming environments, providing rich software support and development tools.
Application field:
NI PXI-6281 is widely used in various fields that require high-performance data acquisition and signal generation functions, including but not limited to the following applications:
Automated testing and measurement: PXI-6281 can be used for data acquisition, signal analysis, and waveform generation in automated testing systems, and is widely used in fields such as electronic device testing, sensor testing, and acoustic analysis.
Control System: This card can be used for real-time control systems, such as robot control, motion control, and industrial automation fields.
Physics experiments: PXI-6281 can be used for data acquisition and control applications in physics laboratories, such as signal analysis, vibration analysis, optical experiments, etc.
Sound and vibration analysis: This card has high-precision analog input and output channels, suitable for the collection and generation of sound and vibration signals, and can be used in fields such as acoustic research, noise analysis, and vibration testing.
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