描述
NI PXIE-8840QC是一款高性能嵌入式控制器，专为工业自动化、测试与测量系统设计，以下是其核心产品特性与功能概述：
一、处理器与计算能力
处理器配置：搭载Intel Core i5-4400E双核或i7-5700EQ四核处理器，主频分别为2.6 GHz和2.7 GHz，支持Turbo Boost技术，可动态提升单核性能，适用于处理器密集型任务。
内存与存储：标准配置4 GB DDR3L RAM（可扩展至8 GB），集成250 GB或320 GB硬盘驱动器，支持长时间连续运行。
二、接口与扩展性
通信接口：
-以太网：双千兆以太网端口（10/100/1000BASE-TX），支持多协议传输；
-USB：2个USB 3.0和4个USB 2.0端口，兼容外设扩展；
-串口：1个RS-232/422/485串行端口，支持工业设备通信。
模块化扩展：支持PXIe总线扩展，可添加信号调理、数据采集或协议转换模块（如Profibus、CANOpen），满足复杂系统需求。
三、实时性与兼容性
实时操作系统：支持LabVIEW实时（LabVIEW RT）或Windows系统，可实现任务级优先级调度，确保高精度控制与数据采集同步。
软件兼容性：与NI-DAQmx、LabWindows/CVI等工具无缝集成，提供标准化驱动程序和图形化开发环境，简化系统开发流程。
四、可靠性与环境适应性
工业级设计：采用宽温运行（-40℃至70℃）和抗震结构，适合恶劣工业环境。
长期运行能力：通过专用电源和冗余设计，支持7×24小时连续工作，硬盘容量可根据任务负载优化（日均高负载运行限制为80 GB）。
五、典型应用场景
工业自动化：
-硬件在环（HIL）仿真测试、分布式控制系统（DCS）架构、半导体制造工艺控制。
测试与测量：
-高速数据采集（如信号调理、振动分析）、精密仪器校准、电力电子设备验证。
能源与交通：
-智能电网监控、轨道交通信号处理、风电场数据采集与分析。
PXIE-8135
PCI-4462
NI PXIE-8840QC is a high-performance embedded controller designed for industrial automation,test and measurement systems.The following is an overview of its core product features and functions:
1.Processor and computing power
Processor configuration:Equipped with Intel Core i5-4400E dual-core or i7-5700EQ quad-core processor,with a main frequency of 2.6 GHz and 2.7 GHz respectively,supporting Turbo Boost technology,which can dynamically improve single-core performance and is suitable for processor-intensive tasks.
Memory and storage:Standard configuration 4 GB DDR3L RAM(expandable to 8 GB),integrated 250 GB or 320 GB hard drive,support long-term continuous operation.
2.Interface and scalability
Communication interface:
-Ethernet:Dual Gigabit Ethernet ports(10/100/1000BASE-TX),supporting multi-protocol transmission;
-USB:2 USB 3.0 and 4 USB 2.0 ports,compatible with peripheral expansion;
-Serial port:1 RS-232/422/485 serial port,supporting industrial equipment communication.
Modular expansion:Supports PXIe bus expansion,can add signal conditioning,data acquisition or protocol conversion modules(such as Profibus,CANOpen)to meet complex system requirements.
3.Real-time and compatibility
Real-time operating system:Supports LabVIEW Real-time(LabVIEW RT)or Windows system,can realize task-level priority scheduling,and ensure high-precision control and data acquisition synchronization.
Software compatibility:Seamless integration with NI-DAQmx,LabWindows/CVI and other tools,providing standardized drivers and graphical development environment to simplify the system development process.
IV.Reliability and environmental adaptability
Industrial-grade design:It adopts wide temperature operation(-40℃to 70℃)and anti-seismic structure,suitable for harsh industrial environments.
Long-term operation capability:Through dedicated power supply and redundant design,it supports 7×24 hours of continuous operation,and the hard disk capacity can be optimized according to the task load(the daily average high-load operation limit is 80 GB).
V.Typical application scenarios
Industrial automation:
-Hardware-in-the-loop(HIL)simulation test,distributed control system(DCS)architecture,semiconductor manufacturing process control.
Test and measurement:
-High-speed data acquisition(such as signal conditioning,vibration analysis),precision instrument calibration,power electronic equipment verification.
Energy and transportation:
-Smart grid monitoring,rail transit signal processing,wind farm data acquisition and analysis.
