描述
TRICONEX 4351B是一款高性能、容错可编程逻辑控制器（PLC），专为关键控制和安全应用设计，以下为其详细产品信息：
核心功能
三重模块冗余（TMR）架构
采用三个完全独立的处理器同时执行相同逻辑，确保系统在单个处理器故障时仍能正常运行，提供高可用性和容错性。
高效逻辑运算与数据处理
配备32位处理器，主频33MHz，搭配1MB RAM和4MB闪存，支持复杂控制逻辑的存储与高效执行。
多接口兼容性
提供模拟、数字、串行、以太网等多种I/O接口，方便与传感器、执行器等设备连接，支持Modbus、DNP3、OPC等通信协议。
故障检测与报警
内置故障检测机制，可实时监测通信故障并生成警报，确保系统异常时及时响应。
可编程性与扩展性
支持用户根据需求编写控制逻辑和安全规则，提供多种扩展接口和插槽，便于功能扩展与定制。
技术参数
处理器与内存
处理器：32位，主频33MHz
内存：1MB RAM，4MB闪存
I/O接口
模拟输入/输出点数：1000/1000
数字输入/输出点数：2000/2000
复合数字点数：650（最大）
标志位点数：2000
数值点数：1000
定时器点数：1500
扫描速率
标准扫描周期：0.5秒
可选扫描周期：1秒
通信与数据传输
EUCN通信：每扫描周期最大读写50次（所有可配置链路）
EUCN参数访问：每秒800次读取请求，每秒100次控制写入
数据库同步：最大150KB数据库同步时间为2秒
物理规格
冗余模块尺寸（前后访问）：487.9mm×482.6mm×44.45mm
非冗余模块尺寸（仅前访问）：418.1mm×482.6mm×44.45mm
冗余模块重量（仅前访问）：18.6kg
电源与效率
输入电压范围：90~264VAC 47~63Hz
冗余模块对功耗：24W 80%效率
应用场景
工业自动化
用于工厂自动化、生产线控制、设备监测等场景，提供稳定电源支持与高效控制。
安全控制系统
作为安全控制系统的重要组成部分，为安全控制设备和逻辑提供可靠电源与信号处理。
电力行业
应用于电力发电厂、变电站等，提供稳定电源，确保电力设备和控制系统正常运行。
过程控制
在石油、化工、制药、食品加工等过程控制系统中，确保设备与系统的稳定运行。
交通运输与楼宇自动化
用于交通信号灯、道路标识等交通设施控制，以及智能建筑、办公楼等楼宇自动化系统。
产品优势
高可靠性与容错性
采用TMR架构与冗余设计，故障检测率接近100%，系统可用性显著提升。
灵活配置与扩展性
支持多种电源电压与配置，模块化设计便于安装、维护与功能扩展。
实时响应与高精度
快速响应输入信号变化，确保高控制精度与可靠性。
工业环境适应性
具备抗振动、抗电磁干扰能力，可在-40℃至+70℃温度范围内稳定运行。
TRICONEX 4351B is a high-performance,fault-tolerant programmable logic controller(PLC)designed for critical control and safety applications.The following is its detailed product information:
Core functions
Triple modular redundant(TMR)architecture
Uses three completely independent processors to execute the same logic simultaneously,ensuring that the system can still operate normally when a single processor fails,providing high availability and fault tolerance.
Efficient logic operation and data processing
Equipped with a 32-bit processor with a main frequency of 33MHz,1MB RAM and 4MB flash memory,it supports the storage and efficient execution of complex control logic.
Multi-interface compatibility
Provides a variety of I/O interfaces such as analog,digital,serial,and Ethernet,which is convenient for connecting to sensors,actuators and other devices,and supports communication protocols such as Modbus,DNP3,and OPC.
Fault detection and alarm
The built-in fault detection mechanism can monitor communication faults in real time and generate alarms to ensure timely response when the system is abnormal.
Programmability and scalability
Support users to write control logic and safety rules according to needs,and provide a variety of expansion interfaces and slots for easy function expansion and customization.
Technical parameters
Processor and memory
Processor:32-bit,main frequency 33MHz
Memory:1MB RAM,4MB flash memory
I/O interface
Analog input/output points:1000/1000
Digital input/output points:2000/2000
Compound digital points:650(maximum)
Number of flag points:2000
Number of value points:1000
Number of timer points:1500
Scan rate
Standard scan cycle:0.5 seconds
Optional scan cycle:1 second
Communication and data transmission
EUCN communication:maximum read and write 50 times per scan cycle(all configurable links)
EUCN parameters Data access:800 read requests per second,100 control writes per second
Database synchronization:The maximum 150KB database synchronization time is 2 seconds
Physical specifications
Redundant module size(front and rear access):487.9mm×482.6mm×44.45mm
Non-redundant module size(front access only):418.1mm×482.6mm×44.45mm
Redundant module weight(front access only):18.6kg
Power supply and efficiency
Input voltage range:90~264VAC 47~63Hz
Redundant module power consumption:24W 80%efficiency
Application scenarios
Industrial automation
Used in factory automation,production line control,equipment monitoring and other scenarios,providing stable power support and efficient control.
Safety control system
As an important part of the safety control system,it provides reliable power supply and signal processing for safety control equipment and logic.
Power industry
Applied to power plants,substations,etc.,to provide stable power supply to ensure the normal operation of power equipment and control systems.
Process control
Ensure the stable operation of equipment and systems in process control systems such as petroleum,chemical,pharmaceutical,and food processing.
Transportation and building automation
Used for traffic lights,road signs and other traffic facilities control,as well as building automation systems such as smart buildings and office buildings.
Product advantages
High reliability and fault tolerance
Adopting TMR architecture and redundant design,the fault detection rate is close to 100%,and the system availability is significantly improved.
Flexible configuration and scalability
Supports a variety of power supply voltages and configurations,and the modular design facilitates installation,maintenance and function expansion.
Real-time response and high precision
Quickly respond to input signal changes to ensure high control accuracy and reliability.
Adaptability to industrial environments
It has the ability to resist vibration and electromagnetic interference,and can operate stably in the temperature range of-40℃to+70℃.
