描述
产品概述
NI 9002是美国国家仪器（NI）推出的高性能实时控制器，专为工业自动化、精密测试测量及嵌入式系统设计优化。其采用紧凑型设计，集成PXI/PXIe总线接口，支持高速数据传输与确定性实时控制，适用于高可靠性场景（如半导体测试、航空航天设备监测）。
核心参数与功能
硬件架构
-处理器：Intel Core i7双核处理器（主频2.6 GHz，支持超线程技术）；
-内存：8 GB DDR4 ECC内存（可扩展至16 GB）；
-存储：256 GB SSD（支持热插拔替换，可扩展至1 TB）；
-操作系统：预装Linux实时内核（兼容Windows Embedded Standard）。
接口与扩展性
-总线接口：
-PXI/PXIe x4总线（理论带宽5 GT/s）；
-支持PXI Star Trigger实现多设备同步；
-外设接口：
-2个Gigabit Ethernet（支持Profinet、EtherCAT协议）；
-USB 3.0×2+USB 2.0×2（兼容DAQ设备直连）；
-RS-232/485串口（适配传统工业设备通信）。
实时控制特性
-确定性性能：
-最大抖动<100 ns（基于PXI定时引擎）；
-支持LabVIEW Real-Time模块开发；
-看门狗定时器：硬件级复位功能（防止系统死锁）。
环境适应性
-工作温度：-20°C至60°C（宽温工业级设计）；
-抗震抗冲击：符合MIL-STD-810G标准（适用于车载/航空场景）；
-防护等级：IP40（防尘设计，需额外防护防水）。
技术特点
混合信号整合：
-可直连NI C系列模块（如NI 6363、9234）构建多物理量采集系统；
-支持FPGA协处理（需搭配NI 796xR系列控制器）。
软件生态：
-兼容NI DIAdem数据管理平台及TestStand测试框架；
-提供Python/C++API库（通过NI-DAQmx驱动）。
典型应用场景
工业自动化：
-高速生产线的实时监控与故障诊断；
-多轴机器人运动控制（结合EtherCAT主站模块）。
科研测试：
-高能物理实验的数据采集与实时分析；
-振动台动态信号闭环控制（如航天器部件测试）。
Product Overview
NI 9002 is a high-performance real-time controller launched by National Instruments(NI),which is specially optimized for industrial automation,precision testing and measurement and embedded system design.It adopts a compact design,integrates PXI/PXIe bus interface,supports high-speed data transmission and deterministic real-time control,and is suitable for high-reliability scenarios(such as semiconductor testing,aerospace equipment monitoring).
Core parameters and functions
Hardware architecture
-Processor:Intel Core i7 dual-core processor(main frequency 2.6 GHz,supports hyperthreading technology);
-Memory:8 GB DDR4 ECC memory(scalable to 16 GB);
-Storage:256 GB SSD(supports hot-swap replacement,expandable to 1 TB);
-Operating system:Preinstalled Linux real-time kernel(compatible with Windows Embedded Standard).
Interface and Extensibility
-Bus interface:
-PXI/PXIe x4 bus(theoretical bandwidth 5 GT/s);
-Support PXI Star Trigger to achieve multi-device synchronization;
-Peripheral interface:
-2 Gigabit Ethernet(supports Profinet and EtherCAT protocols);
-USB 3.0×2+USB 2.0×2(compatible with direct connection of DAQ devices);
-RS-232/485 serial port(adapted to traditional industrial equipment communication).
Real-time control features
-Deterministic performance:
-Maximum jitter<100 ns(based on PXI timing engine);
-Support LabVIEW Real-Time module development;
-Watchdog timer:Hardware-level reset function(prevents system deadlock).
Environmental adaptability
-Operating temperature:-20°C to 60°C(wide temperature industrial design);
-Shock resistance and impact resistance:complies with MIL-STD-810G standard(suitable for vehicle/air scenarios);
-Protection level:IP40(dust-proof design,requiring additional protection and waterproof).
Technical Features
Mixed Signal Integration:
-It can directly connect NI C series modules(such as NI 6363,9234)to build a multi-physical quantity acquisition system;
-Support FPGA coprocessing(need to be paired with NI 796xR series controller).
Software Ecology:
-Compatible with NI DIAdem data management platform and TestStand testing framework;
-Provides Python/C++API library(driven by NI-DAQmx).
Typical application scenarios
Industrial automation:
-Real-time monitoring and fault diagnosis of high-speed production lines;
-Multi-axis robot motion control(combined with EtherCAT master module).
Scientific research tests:
-Data acquisition and real-time analysis of high-energy physics experiments;
-Closed-loop control of dynamic signals of vibration tables(such as spacecraft component testing).
