描述
产品概述
NI cRIO-9068是美国国家仪器（National Instruments,NI）推出的一款高性能嵌入式实时控制器，属于CompactRIO平台。它专为工业自动化、嵌入式监测与控制、数据采集（DAQ）等应用设计，结合了实时操作系统（RTOS）的确定性性能与FPGA的并行处理能力，适用于需要高可靠性、低延迟和复杂控制的场景。
核心特性
处理器性能
CPU：搭载Intel Atom E3825双核处理器（1.33 GHz），支持多线程处理，满足实时控制与数据处理需求。
实时操作系统：基于NI Linux Real-Time，提供确定性性能，确保任务按时执行，适用于闭环控制、信号处理等时间敏感型应用。
FPGA集成
内置Xilinx Zynq-7020 SoC，集成FPGA逻辑，支持自定义硬件加速和并行信号处理。
可通过LabVIEW FPGA模块进行编程，实现高速I/O控制、自定义协议解析或复杂算法加速。
I/O扩展能力
支持CompactRIO C系列I/O模块，提供模拟输入/输出、数字I/O、计数器/定时器、通信接口（如CAN、RS485）等多样化信号连接。
模块化设计便于根据应用需求灵活配置，支持热插拔（部分模块）。
连接性与通信
以太网：双千兆以太网端口，支持高速数据传输和远程监控。
USB：2个USB 2.0端口，用于外设连接（如存储设备、键盘/鼠标）。
串口：1个RS232串口，兼容传统设备通信。
其他：支持Wi-Fi/4G模块（需额外配置），实现无线通信。
存储与内存
RAM：2 GB DDR3L内存，支持多任务并行运行。
存储：8 GB eMMC存储，用于操作系统和应用程序部署；支持SD卡扩展（最高32 GB）。
机械与电气规格
尺寸：紧凑型设计（约86.4 mm×86.4 mm×216 mm），适合空间受限环境。
重量：约1.2 kg（含外壳）。
工作温度：-20°C至60°C（工业级），适应恶劣环境。
防护等级：IP20（无外壳时），可选配防护外壳提升防护等级。
电源：9-30 VDC输入，支持反接保护和过压保护。
软件支持
编程环境：LabVIEW Real-Time模块、LabVIEW FPGA模块、C/C++（通过NI Linux Real-Time SDK）。
配置工具：NI MAX（Measurement&Automation Explorer）用于设备发现、配置和网络设置。
兼容性：与NI Software Suite（如TestStand、DIAdem）无缝集成，支持数据记录、分析和报告生成。
典型应用场景
工业自动化：机器控制、运动控制、过程监控。
能源管理：智能电网监测、可再生能源系统控制。
交通运输：车辆测试、轨道交通信号控制。
航空航天与国防：无人机控制、雷达信号处理。
科研与测试：结构健康监测、环境数据采集。
Product Overview
NI cRIO-9068 is a high-performance embedded real-time controller launched by National Instruments(NI)and belongs to the CompactRIO platform.It is designed for applications such as industrial automation,embedded monitoring and control,and data acquisition(DAQ).It combines the deterministic performance of a real-time operating system(RTOS)with the parallel processing capabilities of FPGAs,and is suitable for scenarios that require high reliability,low latency,and complex control.
Core Features
Processor Performance
CPU:Equipped with an Intel Atom E3825 dual-core processor(1.33 GHz),it supports multi-threaded processing to meet real-time control and data processing requirements.
Real-time operating system:Based on NI Linux Real-Time,it provides deterministic performance to ensure that tasks are executed on time,and is suitable for time-sensitive applications such as closed-loop control and signal processing.
FPGA Integration
Built-in Xilinx Zynq-7020 SoC,integrated FPGA logic,supports custom hardware acceleration and parallel signal processing.
It can be programmed through the LabVIEW FPGA module to achieve high-speed I/O control,custom protocol parsing,or complex algorithm acceleration.
I/O Expansion Capabilities
Supports CompactRIO C Series I/O modules,providing a variety of signal connections such as analog input/output,digital I/O,counter/timer,and communication interfaces(such as CAN,RS485).
The modular design allows for flexible configuration according to application requirements and supports hot swapping(some modules).
Connectivity and Communication
Ethernet:Dual Gigabit Ethernet ports,supporting high-speed data transmission and remote monitoring.
USB:2 USB 2.0 ports for peripheral connections(such as storage devices,keyboard/mouse).
Serial Port:1 RS232 serial port,compatible with traditional device communications.
Others:Supports Wi-Fi/4G module(additional configuration required)for wireless communication.
Storage and Memory
RAM:2 GB DDR3L memory,supporting multi-task parallel operation.
Storage:8 GB eMMC storage for operating system and application deployment;supports SD card expansion(up to 32 GB).
Mechanical and electrical specifications
Dimensions:Compact design(approximately 86.4 mm×86.4 mm×216 mm),suitable for space-constrained environments.
Weight:Approximately 1.2 kg(including housing).
Operating temperature:-20°C to 60°C(industrial grade),suitable for harsh environments.
Protection level:IP20(without housing),optional protective housing to improve protection level.
Power supply:9-30 VDC input,support reverse protection and overvoltage protection.
Software support
Programming environment:LabVIEW Real-Time Module,LabVIEW FPGA Module,C/C++(through NI Linux Real-Time SDK).
Configuration tool:NI MAX(Measurement&Automation Explorer)for device discovery,configuration,and network settings.
Compatibility:Seamless integration with NI Software Suite(such as TestStand,DIAdem),supporting data logging,analysis,and report generation.
Typical application scenarios
Industrial automation:machine control,motion control,process monitoring.
Energy management:smart grid monitoring,renewable energy system control.
Transportation:vehicle testing,rail transit signal control.
Aerospace and defense:drone control,radar signal processing.
Research and testing:structural health monitoring,environmental data collection.
