描述
ICS Triplex T8461是一款高性能的数字输出模块，采用三重模块化冗余（TMR）架构，适用于安全关键型应用。以下是其产品详情：
基本信息
品牌：ICS Triplex
型号：T8461
产品类型：数字输出模块
产地：墨西哥
重量：约1.13kg
电源电压：24/48VDC，电压范围为20-32VDC
技术规格
输出通道：40个TMR输出通道
隔离组：分为5个隔离组，每组8个输出
输出电压范围：测量范围为0-36VDC，最大耐受电压为-1至60VDC
输出电流额定值：每通道连续电流为2A
输出关断电阻：33kΩ
电源消耗：24W（每通道1A）
输出开启/关闭延迟：0.5ms
自检间隔：2分钟
电气隔离：现场输入/输出之间具有2500V直流光电隔离屏障
安全完整性等级：符合IEC 61508 SIL-3标准
功能特点
容错能力：每个输出通道在同一模块内通过TMR实现容错，输出开关阵列由六元素表决阵列组成，可在输出开关故障条件下提供容错、不间断控制。
诊断与自检：具备全面的内部诊断和自检功能，每个通道都有自动线路监控，可检测现场接线和负载故障的开路和短路。
事件记录：支持机载事件序列（SOE）报告，分辨率为1ms。
热更换：模块可在线热更换，无需中断操作。
状态指示：前面板有LED指示灯，可显示每个通道的状态以及模块故障和状态。
The ICS Triplex T8461 is a high-performance digital output module with Triple Modular Redundant(TMR)architecture for safety-critical applications.The following are product details:
Basic Information
Brand:ICS Triplex
Model:T8461
Product Type:Digital Output Module
Origin:Mexico
Weight:Approximately 1.13 kg
Power Supply Voltage:24/48 VDC,Voltage Range:20-32 VDC
Technical Specifications
Output Channels:40 TMR output channels
Isolation Groups:Divided into 5 isolation groups,8 outputs per group
Output Voltage Range:Measuring range:0-36 VDC,maximum withstand voltage:-1 to 60 VDC
Output Current Rating:2 A continuous current per channel
Output Off Resistance:33 kΩ
Power Consumption:24 W(1 A per channel)
Output On/Off Delay:0.5 ms
Self-Test Interval:2 minutes
Electrical Isolation:2500 V DC optical isolation barrier between field inputs and outputs
Safety Integrity Level:Complies with IEC 61508 SIL-3 standards
Features
Fault Tolerance:Each output channel is isolated within the same module via TMR isolation.To achieve fault tolerance,the output switch array consists of a six-element voting array,providing fault-tolerant,uninterrupted control even under output switch fault conditions.
Diagnostics and Self-Test:Comprehensive internal diagnostics and self-test capabilities are included,with automatic line monitoring for each channel to detect open and short circuits,field wiring,and load faults.
Event Logging:Supports onboard Sequence of Events(SOE)reporting with 1ms resolution.
Hot-Swap:Modules can be hot-swapped online without interrupting operation.
Status Indication:Front-panel LEDs display the status of each channel,as well as module faults and status.
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