描述
产品简要说明
GE DS200TCQCG1A是通用电气（GE）为Mark V系列控制系统设计的模拟IO扩展板，核心功能包括：
I/O扩展能力：通过24个跳线与多针脚连接器实现信号接口扩展
LVDT励磁支持：为线性可变差分变压器（LVDT）提供专用励磁电压输入
冗余架构设计：支持单重/双重/三重冗余系统，确保工业环境下的高可靠性
产品详细说明
1.硬件架构与核心组件
模块化扩展设计：
配备3个40针连接器（ID：JFF、JE、6PL）、3个34针连接器及1个16针连接器（ID：JC），支持Denet总线六端口无源桥配置
采用VME总线标准，兼容GE Speedtronic Mark V控制系统
信号处理能力：
内置数模转换器（DAC），将模拟信号转换为数字指令控制燃油流量
支持±10V DC模拟输入与±20mA电流环输出
2.功能特性与工业适配性
LVDT集成方案：
通过专用励磁电路为LVDT传感器提供3-30V可调交流电压
支持位移、振动等机械参数的高精度测量
冗余通信机制：
双Denet接口实现主备通道同步，故障切换时间＜50ms
支持EtherNet/IP与Modbus TCP协议扩展（需固件升级）
技术规格:GE DS200TCQCG1A
参数项规格描述
物理接口3×40针连接器、3×34针连接器、1×16针连接器
电源需求24V DC（±5%）
工作温度-20℃～70℃
信号隔离光电隔离（耐受15kV浪涌电压）
LVDT励磁范围3-30V AC（频率1-10kHz可调）
Denet总线速率2Mbps（支持六端口无源桥配置）
核心价值与性能亮点
1.工业级可靠性
故障自愈能力：通过Denet总线冗余机制实现无中断切换，满足SIL 2安全等级要求
环境适应性：IP65防护等级（选配），可应对高湿、高盐雾工业环境
2.精密控制能力
LVDT集成优势：相比传统电位器，测量精度提升至±0.05%FS
数模转换精度：燃油流量控制误差≤±0.5%，满足燃气轮机调速需求
PP877 3BSE069272R2
PP877 3BSE069272R2
Product brief description
GE DS200TCQCG1A is a simulated IO expansion board designed by General Electric for Mark V series control systems,with core functions including:
I/O expansion capability:Signal interface expansion through 24 jumpers and multi-pin connectors
LVDT excitation support:Provides dedicated excitation voltage input for linear variable differential transformers(LVDTs)
Redundant architecture design:supports single/dual/triple redundant systems to ensure high reliability in industrial environments
Product details
1.Hardware architecture and core components
Modular expansion design:
Equipped with 3 40-pin connectors(ID:JFF,JE,6PL),3 34-pin connectors and 1 16-pin connector(ID:JC),supporting the Denet bus six-port passive bridge configuration
Adopt VME bus standard and compatible with GE Speedtronic Mark V control system
Signal processing capability:
Built-in digital-to-analog converter(DAC)to convert analog signals into digital commands to control fuel flow
Supports±10V DC analog input and±20mA current loop output
2.Functional characteristics and industrial adaptability
LVDT integration solution:
Provide 3-30V adjustable AC voltage to LVDT sensors through a dedicated excitation circuit
Supports high-precision measurement of mechanical parameters such as displacement and vibration
Redundant communication mechanism:
Dual Denet interfaces realize the synchronization of the main and standby channel,and the failover time is<50ms
Supports EtherNet/IP and Modbus TCP protocol extensions(requires firmware upgrade)
Technical Specifications:GE DS200TCQCG1A
Parameters Specification Description
Physical interface 3×40-pin connector,3×34-pin connector,1×16-pin connector
Power requirements 24V DC(±5%)
Working temperature-20℃~70℃
Signal isolation Optoelectronic isolation(withstands 15kV surge voltage)
LVDT excitation range 3-30V AC(frequency 1-10kHz adjustable)
Denet bus rate 2Mbps(support six-port passive bridge configuration)
Core Valuesand Performance Highlights
1.Industrial-grade reliability
Self-healing capability of faults:No interrupt switching is achieved through the Denet bus redundancy mechanism,meeting the SIL 2 security level requirements
Environmental adaptability:IP65 protection level(optional),can cope with high humidity and high salt spray industrial environments
2.Precision control capability
Advantages of LVDT integration:Compared with traditional potentiometers,measurement accuracy is improved to±0.05%FS
Digital-to-analog conversion accuracy:fuel flow control error≤±0.5%,meeting the gas turbine speed regulation requirements
