TRICONEX 3805H是Tricon TMR安全系统模拟量输出AO模块，SIL3安全等级，8通道4-20mA电流输出，12位精度，通道独立隔离设计，配套对应FTA端子板使用。

TRICONEX 3805H is Tricon TMR analog output AO module with SIL3 certification. It supplies 8 channels of 4-20mA current signal at 12-bit resolution, each channel isolated and paired with matching FTA terminal assembly.

内置回路诊断功能，支持模块在线热插拔，依托三取二表决容错架构，单点故障不影响安全控制输出，常用于调节阀、阀门定位器等连续调节执行机构控制，是SIS系统主流备件。

Built-in loop monitoring and hot-swap capability. 2oo3 voting tolerates single component fault without loss of control output, commonly used for control valves and positioners in safety loops.

Main Specifications 技术参数

• 1. Product Series / 产品系列：TRICONEX Tricon TMR Safety Instrumented System

• 2. Part Numbers / 型号编码：3805H

• 3. Function Type / 类型：Analog Output Module 模拟量输出模块

• 4. Key Features / 特性：8CH 4-20mA, SIL3, 12-bit, channel isolation, loop diagnostics, hot swappable

• 5. Compatibility / 配套：Tricon rack, matching FTA terminal board, TriStation software

Core Functions 核心功能

• 1. 4-20mA标准模拟量输出，精准输出调节信号驱动调节阀与阀门定位器。
  Standard 4-20mA analog output to send modulating commands to control valves and positioners.

• 2. 三模块冗余2oo3表决，自动比对三路输出，单点故障自动屏蔽，避免误动作。
  TMR 2oo3 voting logic, cross-comparison of three channels to suppress single point failure.

• 3. 通道独立隔离与回路诊断，检测开路、短路故障，实时上报系统报警。
  Per-channel galvanic isolation and loop diagnostics for open/short circuit fault alarm.

• 4. 支持在线热插拔，更换模块无需停机，降低装置非计划停车风险。
  Hot-swap supported, module replacement without shutdown to reduce plant outage risk.

• 5. 宽温工作范围，抗EMC干扰，适配油气、化工强电磁干扰现场环境。
  Wide operating temperature and high EMC immunity for harsh oil and chemical plant environments.

Application Scenarios 应用场景

• 1. 炼油、化工SIS安全仪表系统，安全调节阀调节回路输出控制。
  SIS safety control loops for refining and chemical plants, modulating control for safety valves.

• 2. 油气井口、长输管线工艺调节，ESD系统联动调节执行机构。
  Process regulation for oil & gas wellheads and pipelines, coordinated with ESD shutdown logic.

• 3. 电站、煤化工装置安全联锁系统，工艺介质调节回路。
  Safety interlock systems for power plants and coal chemical facilities, process modulation loops.

• 4. 海外化工油气EPC项目SIS控制柜成套配套备件供货。
  Spare supply for SIS cabinet packages of overseas oil and chemical EPC projects.

• 5. 存量Tricon系统升级维护，替换老化AO卡件，复用原有FTA端子与程序。
  Legacy Tricon system maintenance, replace old AO card and reuse existing FTA and logic program.

FAQ 常见问答

Similar Models 相似型号

3805E

3806E

3807

T8800C

3503E