描述
一、核心功能与定位
系统角色:
作为Mark VIe控制系统的主处理器模块,负责执行控制算法、逻辑运算、数据采集和通信管理。
支持双冗余配置(主备模式),实现无扰动切换,确保系统可用性≥99.99%。
应用场景:
燃气轮机控制:燃烧调节、转速控制、排气温度管理。
蒸汽轮机控制:负荷调节、阀门定位、超速保护。
发电机控制:励磁调节、功率因数控制、并网同步。
工业透平机械:压缩机防喘振、膨胀机控制、余热锅炉优化。
二、技术规格
参数类别详细规格
处理器-Intel Pentium M 1.8GHz或更高性能处理器(具体取决于版本)
-支持实时多任务调度,任务切换时间≤10μs
内存-512MB DDR SDRAM(可扩展至1GB)
-128MB Flash用于程序存储
-支持掉电数据保护
通信接口-2×1000Base-T Ethernet(冗余通信,支持IEEE 1588精确时间协议)
-1×RS-232/RS-485串口(调试/维护)
-1×CAN总线(连接现场设备)
I/O扩展能力-支持最多8个I/O模块(通过VME总线连接)
-可扩展模拟量输入/输出、数字量输入/输出、热电偶/热电阻模块
实时性能-控制周期:≤10ms(典型应用)
-中断响应时间:≤1μs
-数据刷新率:≥1000次/秒
环境适应性-工作温度:-20℃~+60℃(工业级)
-存储温度:-40℃~+85℃
-湿度:5%~95%RH(无凝露)
-振动:0.5G(5Hz~500Hz)
-防护等级:IP20(机柜安装)
电磁兼容性-符合IEC 61000-4-2/3/4/5/6(ESD、浪涌、辐射抗扰度等)
-CE/FCC认证
电源要求-输入电压:24V DC(-15%~+20%波动容忍)
-功耗:≤50W(典型)
-冗余电源支持(需外接冗余电源模块)
三、硬件特性
模块设计:
紧凑型VME 6U标准尺寸(160mm×233mm),适配Mark VIe机柜。
前面板指示灯:显示电源状态、运行状态、通信状态和故障代码,便于快速诊断。
可插拔端子排:支持热插拔,维护时无需断电,减少停机时间。
冗余与容错:
双处理器冗余:主备处理器通过高速光纤链路同步数据,故障时自动切换(切换时间≤50ms)。
通信冗余:Ethernet端口支持链路聚合(LACP),确保网络故障时无数据丢失。
看门狗定时器:监控处理器运行状态,超时自动复位,防止软件死锁。
1.Core functions and positioning
System role:
As the main processor module of the Mark VIe control system,it is responsible for executing control algorithms,logical operations,data acquisition and communication management.
Supports dual redundant configuration(active-standby mode)to achieve disturbance-free switching and ensure system availability≥99.99%.
Application scenarios:
Gas turbine control:combustion regulation,speed control,exhaust temperature management.
Steam turbine control:load regulation,valve positioning,overspeed protection.
Generator control:excitation regulation,power factor control,grid synchronization.
Industrial turbomachinery:compressor anti-surge,expander control,waste heat boiler optimization.
II.Technical Specifications
Parameter Category Detailed Specifications
Processor-Intel Pentium M 1.8GHz or higher performance processor(depending on the version)
-Supports real-time multi-task scheduling,task switching time≤10μs
Memory-512MB DDR SDRAM(expandable to 1GB)
-128MB Flash for program storage
-Supports power-off data protection
Communication interface-2×1000Base-T Ethernet(redundant communication,supports IEEE 1588 precision time protocol)
-1×RS-232/RS-485 serial port(debugging/maintenance)
-1×CAN bus(connecting field devices)
I/O expansion capability-Supports up to 8 I/O modules(connected via VME bus)
-Expandable analog input/output,digital input/output,thermocouple/thermal resistor modules
Real-time performance-Control cycle:≤10ms(typical application)
-Interrupt response time:≤1μs
-Data refresh rate:≥1000 times/second
Environmental adaptability-Operating temperature:-20℃~+60℃(industrial grade)
-Storage temperature:-40℃~+85℃
-Humidity:5%~95%RH(no condensation)
-Vibration:0.5G(5Hz~500Hz)
-Protection level:IP20(cabinet installation)
Electromagnetic compatibility-Complies with IEC 61000-4-2/3/4/5/6(ESD,surge,radiation immunity,etc.)
-CE/FCC certification
Power supply requirements-Input voltage:24V DC(-15%~+20%fluctuation tolerance)
-Power consumption:≤50W(typical)
-Redundant power supply support(external redundant power supply module required)
III.Hardware features
Module design:
Compact VME 6U standard size(160mm×233mm),suitable for Mark VIe Cabinet.
Front panel indicator:Displays power status,operating status,communication status and fault code for quick diagnosis.
Pluggable terminal block:Supports hot-swap,no need to power off for maintenance,reducing downtime.
Redundancy and fault tolerance:
Dual processor redundancy:The main and standby processors synchronize data through high-speed fiber links and automatically switch when a fault occurs(switching time≤50ms).
Communication redundancy:Ethernet ports support link aggregation(LACP)to ensure no data loss when a network fails.
Watchdog timer:Monitors the processor operating status,automatically resets when timeout,and prevents software deadlock.
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