NI PXI-6281多功能數(shù)據(jù)采集卡
1.產(chǎn) 品 資 料 介 紹：
中文資料：
NI PXI-6281是National Instruments（NI）公司生產(chǎn)的一款多功能數(shù)據(jù)采集卡。它是PXI（PCI eXtensions for Instrumentation）平臺(tái)上的一部分，提供了高性能的數(shù)據(jù)采集和信號(hào)生成功能。
該卡的主要配置和功能說明如下：
通道數(shù)量：PXI-6281具有16個(gè)模擬輸入通道和兩個(gè)模擬輸出通道。這些通道可以用于采集或生成模擬信號(hào)。
分辨率和采樣率：該卡支持高分辨率的模擬信號(hào)處理，具有16位的模數(shù)轉(zhuǎn)換器（ADC）和16位的數(shù)模轉(zhuǎn)換器（DAC）。采樣率可達(dá)到每秒250 kS/s。
輸入范圍：PXI-6281支持多種輸入范圍，可以根據(jù)需要選擇合適的范圍來適應(yīng)不同的信號(hào)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(yīng)不同類型的信號(hào)。
數(shù)字I/O：除了模擬輸入輸出通道外，PXI-6281還提供了8個(gè)數(shù)字輸入/輸出通道，可用于數(shù)字信號(hào)的采集和生成。
觸發(fā)和同步：該卡支持多種觸發(fā)和同步方式，如軟件觸發(fā)、硬件觸發(fā)和外部時(shí)鐘同步，以實(shí)現(xiàn)精確的數(shù)據(jù)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(huán)境集成，提供了豐富的軟件支持和開發(fā)工具。
應(yīng)用領(lǐng)域： NI PXI-6281廣泛應(yīng)用于各種需要高性能數(shù)據(jù)采集和信號(hào)生成功能的領(lǐng)域，包括但不限于以下應(yīng)用：
自動(dòng)化測(cè)試和測(cè)量：PXI-6281可用于自動(dòng)化測(cè)試系統(tǒng)中的數(shù)據(jù)采集、信號(hào)分析和波形生成，廣泛應(yīng)用于電子設(shè)備測(cè)試、傳感器測(cè)試、聲學(xué)分析等領(lǐng)域。
控制系統(tǒng)：該卡可用于實(shí)時(shí)控制系統(tǒng)，例如機(jī)器人控制、運(yùn)動(dòng)控制和工業(yè)自動(dòng)化領(lǐng)域。
物理實(shí)驗(yàn)：PXI-6281可用于物理實(shí)驗(yàn)室中的數(shù)據(jù)采集和控制應(yīng)用，如信號(hào)分析、振動(dòng)分析、光學(xué)實(shí)驗(yàn)等。
聲音和振動(dòng)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(dòng)信號(hào)的采集和生成，可用于聲學(xué)研究、噪聲分析和振動(dòng)測(cè)試等領(lǐng)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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