描述
TRICONEX DI2301 7400208-020产品详情
TRICONEX DI2301 7400208-020是英维思(Triconex)安全仪表系统中的数字输入模块(DI),专为高可靠性工业信号采集设计,适用于需冗余容错的石化、电力、化工等场景。以下是综合多来源技术文档及供应商信息的详细说明:
一、产品定位与核心功能
模块类型
-数字输入模块(DI):负责采集现场开关量信号(如传感器、限位开关),支持安全联锁与过程控制。
核心功能
-信号采集:支持24VDC输入信号,兼容NAMUR或常规开关量;
-冗余设计:三重模件冗余(TMR)架构,三套独立电路并行运行并通过表决机制确保数据一致性;
-自诊断能力:实时监测通道状态,检测断线、短路等故障并触发报警。
二、关键技术参数
|项目|参数/功能|
|输入通道|16通道(独立隔离,部分版本标注23通道)|
|输入类型|漏型/源型兼容(支持PNP/NPN传感器)|
|电压/电流|24VDC±10%,最大输入电流20mA|
|响应时间|<10ms|
|隔离能力|每通道独立隔离(2500V AC)|
|环境条件|工作温度:-40°C至+70°C;湿度:20%–95%(非冷凝)|
|安全认证|SIL 3(IEC 61508)、IEC 61511|
三、典型应用场景
工业安全控制
-火气监测系统(F&G)中传感器信号采集;
-紧急停车(ESD)系统中设备状态监控。
过程自动化
-�石化工厂管道阀门位置反馈;
-发电设备运行状态监测。


TRICONEX DI2301 7400208-020 Product Details
TRICONEX DI2301 7400208-020 is a digital input module(DI)in Triconex safety instrumentation system.It is specially designed for high-reliability industrial signal acquisition and is suitable for petrochemical,electrical,chemical and other scenarios that require redundancy and fault tolerance.The following is a detailed description of the comprehensive multi-source technical documents and supplier information:
1.Product positioning and core functions
Module Type
-Digital input module(DI):Responsible for collecting on-site switching signals(such as sensors,limit switches),supporting safety interlocking and process control.
Core functions
-Signal acquisition:supports 24VDC input signal,compatible with NAMUR or conventional switching quantity;
-Redundant design:triple module redundancy(TMR)architecture,three sets of independent circuits operate in parallel and ensure data consistency through voting mechanism;
-Self-diagnosis capability:monitor channel status in real time,detect faults such as disconnection,short circuit,etc.and trigger alarms.
2.Key technical parameters
|Project|Parameters/Functions|
|Input channel|16 channels(independent isolation,23 channels marked in some versions)|
|Input type|Leakage/Source type compatible(supports PNP/NPN sensor)|
|Voltage/current|24VDC±10%,maximum input current 20mA|
|Response time|<10ms|
|Isolation capability|Independent isolation per channel(2500V AC)|
|Environmental Conditions|Operating Temperature:-40°C to+70°C;Humidity:20%–95%(non-condensing)|
|Safety Certification|SIL 3(IEC 61508),IEC 61511|
3.Typical application scenarios
Industrial safety control
-Sensor signal acquisition in the fire gas monitoring system(F&G);
-Equipment status monitoring in emergency parking(ESD)systems.
Process automation
-Feedback of the position of pipeline valves in petrochemical plants;
-Monitoring of the operating status of power generation equipment.

