TRICONEX AI3351S2分析输入模块 PDF资料 

1.产 品 资 料 介 绍：

一、产品概述

TRICONEX AI3351S2 分析输入模块是一种专为过程工业安全与控制系统设计的高精度输入模块，主要用于接收并处理现场传感器的模拟信号（如温度、压力、流量、液位等）。该模块基于 Triconex 安全与容错控制系统架构，具备高可靠性与冗余设计，广泛应用于石油天然气、化工、电力及制药等行业的关键安全控制与监测场合。

二、技术参数（典型特性）

• 型号：AI3351S2

• 类型：模拟输入（Analog Input）模块

• 输入信号：支持多种工业标准信号（如 4–20 mA、0–10 V、热电偶、RTD 等，具体取决于配置）

• 通道数：多通道输入设计，可同时接收多组模拟信号

• 分辨率：高精度 A/D 转换，保证信号处理的准确性

• 隔离设计：输入通道与系统总线电气隔离，提升抗干扰能力

• 通信方式：通过背板总线与 Tricon 控制器核心处理单元交互

• 保护功能：过流保护、通道隔离保护、信号自诊断

• 冗余支持：支持 Triconex 容错三重化架构

三、应用场景

1. 石油与天然气：井口、管道和压缩机的温度、压力和流量信号采集。

2. 化工与炼油：关键反应过程的温度、液位和压力监控。

3. 电力行业：锅炉、汽轮机及发电系统的状态监测与控制。

4. 制药行业：关键生产环节的环境与设备参数采集。

5. 安全仪表系统（SIS）：用于紧急停车（ESD）、火气探测系统等安全控制应用。

四、产品优势

• 高可靠性：采用容错设计，适合关键安全应用。

• 精度优异：高分辨率信号采集，确保过程数据真实可靠。

• 自诊断功能：实时检测输入信号状态与模块健康状况，提升系统安全性。

• 冗余架构：支持三重化安全控制系统，保证即使单一模块故障也不影响系统运行。

• 兼容性强：可与 Triconex 系统平台无缝集成。

• 维护方便：模块化结构，支持在线更换，减少停机时间。

英文资料：

1、 Product Overview

The TRICONEX AI3351S2 analysis input module is a high-precision input module designed specifically for process industry safety and control systems. It is mainly used to receive and process analog signals from on-site sensors, such as temperature, pressure, flow rate, liquid level, etc. This module is based on the Triconex safety and fault-tolerant control system architecture, with high reliability and redundancy design, and is widely used in key safety control and monitoring scenarios in industries such as oil and gas, chemical, power, and pharmaceuticals.

2、 Technical parameters (typical characteristics)

Model: AI3351S2

Type: Analog Input Module

Input signal: Supports multiple industrial standard signals (such as 4-20 mA, 0-10 V, thermocouple, RTD, etc., depending on the configuration)

Channel count: Multi channel input design, capable of receiving multiple sets of analog signals simultaneously

Resolution: High precision A/D conversion ensures the accuracy of signal processing

Isolation design: Input channels are electrically isolated from the system bus to enhance anti-interference capability

Communication method: Interact with the Tricon controller core processing unit through the backplane bus

Protection functions: overcurrent protection, channel isolation protection, signal self diagnosis

Redundancy support: Supports Triconex fault-tolerant triple architecture

3、 Application scenarios

Oil and gas: temperature, pressure, and flow signal acquisition for wellheads, pipelines, and compressors.

Chemical and Refining: Temperature, Liquid Level, and Pressure Monitoring of Key Reaction Processes.

Power industry: status monitoring and control of boilers, turbines, and power generation systems.

Pharmaceutical industry: Collection of environmental and equipment parameters for key production processes.

Safety Instrumented System (SIS): Used for safety control applications such as Emergency Shutdown (ESD) and Fire and Gas Detection Systems.

4、 Product advantages

High reliability: adopting fault-tolerant design, suitable for critical safety applications.

Excellent accuracy: High resolution signal acquisition ensures the authenticity and reliability of process data.

Self diagnostic function: Real time detection of input signal status and module health status to enhance system security.

Redundant architecture: support the triple safety control system to ensure that even if a single module fails, the system operation will not be affected.

Strong compatibility: can seamlessly integrate with the Triconex system platform.

Easy maintenance: modular structure, supports online replacement, reduces downtime.

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