描述
ICS Triplex T8442是一款用于监测旋转机械转速和加速度的速度监测模块，属于Trusted TMR系统。以下是其产品详情：
基本信息
品牌：ICS Triplex
产品类型：速度监测模块
产地：美国
重量：约1.2kg
电源：24VDC，电压范围为20-32VDC
技术规格
架构：内部采用2oo3（单模块三重冗余）架构。
安全完整性等级：通过IEC 61508认证，达到SIL 3级。
输入类型：支持速度传感器输入，可直接与Trusted T8846速度输入现场终端组件（SIFTA）接口，能接收有源和无源速度探头信号。
输出类型：为断电跳闸继电器，具有常开或常闭触点，可直接与Trusted T8891速度输出现场终端组件（SOFTA）接口。
通道数量：具有三个监测和控制组，每个组有三个三重模块冗余（TMR）速度输入通道和两个独立的四重冗余、容错输出驱动结构。
隔离特性：现场输入/输出之间具有2500V脉冲耐压隔离屏障。
事件记录：板载事件顺序（SOE）报告，分辨率为1ms。
功能特点
高精度监测：可精确监测旋转机械的轴速和加速度，为超速和过加速停机功能提供机器保护。
独立控制能力：在Trusted系统中，T8442速度监测模块可独立于机械保护功能执行涡轮速度控制。
高可靠性：采用三重模块化冗余（TMR）架构，具备硬件实现的容错（HIFT）能力，即使在组件发生故障的情况下也能确保连续运行。
状态显示直观：前面板状态LED指示灯可显示模块运行状况、操作模式和旋转机组输入/输出状态。
自动诊断：具有全面的自动诊断和自测试功能，可实时监测模块健康和性能。
The ICS Triplex T8442 is a speed monitoring module for monitoring the speed and acceleration of rotating machinery.It is part of the Trusted TMR system.The following are product details:
Basic Information
Brand:ICS Triplex
Product Type:SpeedMonitoring Module
Origin:USA
Weight:Approximately 1.2 kg
Power Supply:24 VDC,voltage range:20-32 VDC
Technical Specifications
Architecture:Internally utilizes a 2oo3(single module triple redundant)architecture.
Safety Integrity Level:Certified according to IEC 61508,reaching SIL 3.
Input Type:Supports speed sensor input and can directly interface with the Trusted T8846 SpeedInput Field Terminal Assembly(SIFTA),accepting signals from both active and passive speed probes.
Output Type:A power-off trip relay with normally open or normally closed contacts.It can directly interface with the Trusted T8891 SpeedOutput Field Terminal Assembly(SOFTA).Channels:Features three monitoring and control groups,each with three triple modular redundant(TMR)speed input channels and two independent quadruple redundant,fault-tolerant output drive structures.
Isolation:Field inputs and outputs are protected by a 2500V pulse withstand isolation barrier.
Event Logging:Onboard Sequence of Events(SOE)reporting with 1ms resolution.
Features:
High-Accuracy Monitoring:Accurately monitors shaft speed and acceleration of rotating machinery,providing machine protection with overspeed and overacceleration shutdown functions.
Independent Control Capability:In a Trusted system,the T8442 speed monitoring module can perform turbine speed control independently of machinery protection functions.
High Reliability:Utilizing a triple modular redundant(TMR)architecture with hardware-implemented fault tolerance(HIFT)capabilities,it ensures continuous operation even in the event of component failure.
Intuitive Status Display:Front-panel status LEDs indicate module health,operating mode,and rotating machine input/output status.Automatic diagnosis:It has comprehensive automatic diagnosis and self-test functions to monitor module health and performance in real time.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
