NI PXI-6281多功能数据采集卡
1.产 品 资 料 介 绍：
中文资料：
NI PXI-6281是National Instruments（NI）公司生产的一款多功能数据采集卡。它是PXI（PCI eXtensions for Instrumentation）平台上的一部分，提供了高性能的数据采集和信号生成功能。
该卡的主要配置和功能说明如下：
通道数量：PXI-6281具有16个模拟输入通道和两个模拟输出通道。这些通道可以用于采集或生成模拟信号。
分辨率和采样率：该卡支持高分辨率的模拟信号处理，具有16位的模数转换器（ADC）和16位的数模转换器（DAC）。采样率可达到每秒250 kS/s。
输入范围：PXI-6281支持多种输入范围，可以根据需要选择合适的范围来适应不同的信号幅度。
输入耦合：该卡提供了多种输入耦合方式，如直流耦合和交流耦合，以适应不同类型的信号。
数字I/O：除了模拟输入输出通道外，PXI-6281还提供了8个数字输入/输出通道，可用于数字信号的采集和生成。
触发和同步：该卡支持多种触发和同步方式，如软件触发、硬件触发和外部时钟同步，以实现精确的数据采集和生成。
软件支持：NI PXI-6281可以与NI的LabVIEW、LabWindows/CVI和其他各种编程环境集成，提供了丰富的软件支持和开发工具。
应用领域： NI PXI-6281广泛应用于各种需要高性能数据采集和信号生成功能的领域，包括但不限于以下应用：
自动化测试和测量：PXI-6281可用于自动化测试系统中的数据采集、信号分析和波形生成，广泛应用于电子设备测试、传感器测试、声学分析等领域。
控制系统：该卡可用于实时控制系统，例如机器人控制、运动控制和工业自动化领域。
物理实验：PXI-6281可用于物理实验室中的数据采集和控制应用，如信号分析、振动分析、光学实验等。
声音和振动分析：该卡具有高精度的模拟输入和输出通道，适用于声音和振动信号的采集和生成，可用于声学研究、噪声分析和振动测试等领域。
英文资料：
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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