NI  PCI4451 数据采集卡

NI  PCI4451 数据采集卡

1.产 品 资 料 介 绍：

中文资料：

NI PCI4451 数据采集卡是由国家仪器公司（National Instruments）生产的一款高性能数据采集设备，广泛应用于科学研究、工业控制、自动化测试以及信号处理等领域。这款数据采集卡具有多种模拟输入输出、数字输入输出以及计时功能，可以满足各种复杂应用场景的需求。

主要功能特点：

1. 高精度模拟输入：

   • PCI4451 提供高精度的模拟输入，支持多通道采集。可以同时处理多个信号，满足高精度测量需求。
   • 支持高达 16-bit 的分辨率，能够捕捉到微小的信号变化，适用于精密测量。

2. 灵活的输入输出通道：

   • 提供多个模拟输入通道（例如模拟电压输入），支持不同的输入范围和采样率。
   • 支持同时进行多路模拟信号采集，支持的输入类型包括差分输入和单端输入。

3. 高性能的计时和触发功能：

   • 内建定时和触发机制，可根据需求设置采样频率、触发条件等参数，确保精确的时间控制。
   • 支持多种触发模式，适应不同应用场景的需求，如硬触发、软件触发等。

4. 高速数据传输：

   • 采用 PCI接口，提供高速的数据传输能力，保证信号实时采集和处理。
   • 高带宽传输能力使得数据可以快速、准确地传送至计算机，确保实时监控与处理。

5. 数字输入输出：

   • 提供多个数字输入输出通道，适用于开关量信号采集和输出，便于与其他数字设备进行交互。
   • 可用于测量开关信号的变化，或者控制其他设备的开关状态。

6. 灵活的驱动支持：

   • 支持多种驱动程序，兼容NI提供的软件开发工具，如LabVIEW、LabWindows/CVI等，可以轻松集成到各种测量系统中。
   • 提供 NI-DAQmx 驱动程序，支持多种编程语言（如C/C++、Python、Visual Basic等）。

7. 稳定的长时间运行：

   • 设计上注重稳定性，适用于长期高负载运行，特别是在工业环境和实验室条件下的可靠使用。

8. 紧凑的设计：

   • 作为一款PCI卡，安装简便，适用于各种标准PC工作站，节省了空间并提高了系统的集成度。

英文资料：

The NI PCI4451 data acquisition card is a high-performance data acquisition device produced by National Instruments, widely used in fields such as scientific research, industrial control, automation testing, and signal processing. This data acquisition card has multiple analog input/output, digital input/output, and timing functions, which can meet the needs of various complex application scenarios.

Main functional features:

High precision analog input:

PCI4451 provides high-precision analog input and supports multi-channel acquisition. It can process multiple signals simultaneously to meet high-precision measurement requirements.

Supports up to 16 bit resolution, capable of capturing small signal changes, suitable for precision measurement.

Flexible input and output channels:

Provide multiple analog input channels (such as analog voltage input), supporting different input ranges and sampling rates.

Supports simultaneous acquisition of multiple analog signals, with input types including differential input and single ended input.

High performance timing and triggering functions:

Built in timing and triggering mechanism, which can set parameters such as sampling frequency and triggering conditions according to requirements to ensure precise time control.

Support multiple triggering modes to meet the needs of different application scenarios, such as hard triggering, software triggering, etc.

High speed data transmission:

Adopting PCI interface, providing high-speed data transmission capability, ensuring real-time signal acquisition and processing.

The high bandwidth transmission capability enables data to be quickly and accurately transmitted to the computer, ensuring real-time monitoring and processing.

Digital Input/Output:

Provide multiple digital input and output channels, suitable for switch signal acquisition and output, facilitating interaction with other digital devices.

Can be used to measure changes in switch signals or control the switch status of other devices.

Flexible driver support:

Supports multiple drivers and is compatible with software development tools provided by NI, such as LabVIEW, LabWindows/CVI, etc. It can be easily integrated into various measurement systems.

Provide NI DAQmx drivers that support multiple programming languages such as C/C++, Python, Visual Basic, etc.

Stable long-term operation:

The design emphasizes stability and is suitable for long-term high load operation, especially reliable use in industrial environments and laboratory conditions.

Compact design:

As a PCI card, it is easy to install and suitable for various standard PC workstations, saving space and improving system integration.

2.产      品      展      示      

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