The NI PXIe-8840 is an embedded controller designed by National Instruments (NI) for PXI Express (PXIe) systems. It serves as the "brain" for modular instrumentation and data acquisition applications that require significant processing power.

English Description

The NI PXIe-8840 is a high-performance PXI Express embedded controller. It integrates a commercial off-the-shelf (COTS) processor into a rugged, modular PXI Express form factor, making it ideal for a wide range of test, measurement, and control applications.

Key features and characteristics of the NI PXIe-8840 include:

• Processor: It's typically equipped with an Intel® Core™ i5-4400E dual-core processor (2.7 GHz base, up to 3.3 GHz single-core Turbo Boost) or, in some configurations, an Intel® Core™ i7-5700EQ quad-core processor (2.6 GHz). This provides substantial processing power for demanding tasks.

• Memory: It generally comes with 4 GB of single-channel 1600 MHz DDR3L RAM (PC3-12800) and can be upgraded to 8 GB.

• Storage: Standard configurations include a minimum of 250 GB SATA hard drive (5400 rpm), with options for solid-state drives (SSDs) for enhanced durability and performance, especially in extended temperature or 24/7 operation environments.

• Connectivity: The front panel of the PXIe-8840 offers a variety of I/O ports for connecting to external devices:

• Two 10/100/1000BASE-TX (Gigabit) Ethernet ports for high-speed network connectivity.

• Two USB 3.0 ports for fast data transfer.

• Four USB 2.0 ports for general peripheral connectivity.

• One serial port.

• Other peripheral I/O.

• PXI Express Integration: It leverages the high-bandwidth PXI Express backplane, allowing for high-speed communication with PXI and PXIe modules within the chassis. It typically supports a PXI Express 4-link configuration, providing substantial data throughput (up to 2 GB/s).

• Operating Systems: It often ships with Windows (e.g., Windows 7, Windows 10) or can be configured to run NI Linux Real-Time or LabVIEW Real-Time operating systems, which are crucial for deterministic and real-time control applications.

• Applications: The PXIe-8840 is well-suited for processor-intensive applications such as:

• High-speed data acquisition and logging.

• Automated test and measurement systems.

• Real-time control and embedded applications.

• Industrial automation.

• Hardware-in-the-loop (HIL) simulation.

中文描述

NI PXIe-8840 是由 美国国家仪器 (NI) 为 PXI Express (PXIe) 系统 设计的嵌入式控制器。它在需要大量处理能力的模块化仪器和数据采集应用中扮演着“大脑”的角色。

主要特点和功能

NI PXIe-8840 是一款高性能的 PXI Express 嵌入式控制器。它将商用现货 (COTS) 处理器集成到坚固的模块化 PXI Express 外形中，使其成为各种测试、测量和控制应用的理想选择。

NI PXIe-8840 的主要特点和功能包括：

• 处理器： 它通常配备 Intel® Core™ i5-4400E 双核处理器（基频 2.7 GHz，单核睿频高达 3.3 GHz），或在某些配置中配备 Intel® Core™ i7-5700EQ 四核处理器（2.6 GHz）。这为要求严苛的任务提供了强大的处理能力。

• 内存： 它通常配备 4 GB 单通道 1600 MHz DDR3L RAM (PC3-12800)，并可升级至 8 GB。

• 存储： 标准配置包括至少 250 GB SATA 硬盘（5400 rpm），并可选配固态硬盘 (SSD)，以提高耐用性和性能，尤其是在扩展温度或 24/7 运行环境中。

• 连接性： PXIe-8840 的前面板提供各种 I/O 端口，用于连接外部设备：

• 两个 10/100/1000BASE-TX (千兆) 以太网端口，用于高速网络连接。

• 两个 USB 3.0 端口，用于快速数据传输。

• 四个 USB 2.0 端口，用于通用外设连接。

• 一个串口。

• 其他外设 I/O。

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• PXI Express 集成： 它利用高带宽的 PXI Express 背板，实现与机箱内 PXI 和 PXIe 模块的高速通信。它通常支持 PXI Express 4 链路配置，提供强大的数据吞吐量（高达 2 GB/s）。

• 操作系统： 它通常预装 Windows（例如，Windows 7、Windows 10），或者可以配置运行 NI Linux Real-Time 或 LabVIEW Real-Time 操作系统，这对于确定性和实时控制应用至关重要。

• 应用： PXIe-8840 非常适合处理器密集型应用，例如：

• 高速数据采集和记录。

• 自动化测试和测量系统。

• 实时控制和嵌入式应用。

• 工业自动化。

• 硬件在环 (HIL) 仿真。