TRICONEX DI3301 Product Introduction

Product model: Triconex DI3301

Product Type: Digital Input Module

Main features and advantages:

Triple Redundancy Architecture: Adopting Triple Modular Redundancy (TMR) design, three independent channels process input signals in parallel, ensuring data reliability through voting mechanism, and supporting continuous system operation under single point of failure.

High security level: Compliant with SIL3 functional safety certification, suitable for high-risk industrial scenarios such as chemical, petroleum, and power industries, meeting safety critical application requirements such as emergency shutdown (ESD) and fire and gas detection (F&G).

Channel level diagnosis: Real time monitoring of input channel status, supporting fault detection such as open circuit, short circuit, overvoltage, etc. The fault indicator light is linked with the system alarm to reduce downtime.

Hot swappable function: supports online module replacement without interrupting system operation, improving maintenance efficiency.

Wide voltage compatibility: The input voltage range covers 0-32 VDC and is suitable for various industrial signal types (dry contacts, TTL, etc.).

Environmental adaptability: Operating temperature range from 0 ° C to+60 ° C, in compliance with industrial grade electromagnetic compatibility (EMC) standards, suitable for harsh environments.

Technical specifications:

Parameter specification values

32 input points (each channel is independently isolated)

Input type: dry contact, active input (DC signal)

Input voltage range 0-32 VDC

Redundancy supports Triple Redundancy (TMR)

Communication method TriBus bus (2 Mbps)

Working temperature: 0 ° C to+60 ° C

Storage temperature -40 ° C to+85 ° C

Protection level IP20 (to be installed inside the control cabinet)

Diagnostic function for real-time detection of open circuit, short circuit, and overvoltage

Installation method standard Tricon rack (16 slot system)

Application areas:

Safety Instrumented System (SIS): Used to monitor the status of safety critical equipment, trigger emergency shutdown or interlock protection.

Process control: Receive sensor signals such as pressure, temperature, and liquid level switches to achieve industrial process automation control.

Emergency Shutdown System (ESD): Quickly respond to abnormal conditions to ensure the safety of personnel and equipment.

Distributed Control System (DCS): As a redundant I/O module, integrated into large and complex systems such as chemical and power industries.

Related products:

TRICONEX 3351: Analog input module, together with DI3301, forms a mixed signal acquisition system, supporting analog inputs such as temperature and pressure.

TRICONEX 3301 controller: Triple redundant main processor, working in conjunction with DI3301 to achieve high reliability control logic execution.

TRICONEX 2301 substrate: a dedicated input module installation base plate that supports high voltage applications or hazardous site terminal configurations for DI3301.

 

 

TRICONEX DI3301产品简介

产品型号：TRICONEX DI3301

产品类型：数字输入模块

主要特点和优势：

三重冗余架构：采用三重模件冗余（TMR）设计，三个独立通道并行处理输入信号，通过表决机制确保数据可靠性，支持单点故障下系统持续运行。

高安全等级：符合SIL3功能安全认证，适用于化工、石油、电力等高风险工业场景，满足紧急停机（ESD）、火气检测（F&G）等安全关键应用需求。

通道级诊断：实时监测输入通道状态，支持开路、短路、过压等故障检测，故障指示灯与系统报警联动，减少停机时间。

热插拔功能：支持在线更换模块，无需中断系统运行，提升维护效率。

宽电压兼容：输入电压范围覆盖0-32 VDC，适应多种工业信号类型（干接点、TTL等）。

环境适应性：工作温度范围0°C至+60°C，符合工业级电磁兼容（EMC）标准，适用于恶劣环境。

技术规格：

参数规格值

输入点数32点（每通道独立隔离）

输入类型干接点、有源输入（DC信号）

输入电压范围0-32 VDC

冗余支持三重冗余（TMR）

通信方式TriBus总线（2 Mbps）

工作温度0°C至+60°C

存储温度-40°C至+85°C

防护等级IP20（需安装于控制柜内）

诊断功能开路、短路、过压实时检测

安装方式标准Tricon机架（16槽系统）

应用领域：

安全仪表系统（SIS）：用于监测安全关键设备状态，触发紧急停机或联锁保护。

过程控制：接收压力、温度、液位开关等传感器信号，实现工业流程自动化控制。

紧急停机系统（ESD）：快速响应异常状态，保障人员与设备安全。

分布式控制系统（DCS）：作为冗余I/O模块，集成于化工、电力等大型复杂系统中。

相关产品：

TRICONEX 3351：模拟输入模块，与DI3301共同构成混合信号采集系统，支持温度、压力等模拟量输入。

TRICONEX 3301控制器：三重冗余主处理器，与DI3301配合实现高可靠性控制逻辑执行。

TRICONEX 2301基板：专用输入模块安装底板，支持DI3301的高压应用或危险场所终端配置。

 

Choose Shenzhen Changxin for worry-free after-sales service and high-quality products. We only cooperate with first-tier brand manufacturers in the industry. Our products are imported and comprehensive. We provide thoughtful pre-sales service, communicating multiple times with customers about product models, quality, prices, and delivery schedules to jointly confirm the solutions and address users’ concerns in advance. Business execution is in place, ensuring on-time delivery of ordered products and formulating a comprehensive delivery plan to guarantee the project schedule. We also assist users in handling acceptance procedures.
Our after-sales service is impeccable. For any problems during the warranty period, we only replace, not repair. We never shirk responsibilities or pass the buck when encountering problems. Our service hotline is available 24/7: 18150087953
SOLEMN COMMITMENT
1. For all items, modules, and cards sold by our company, if any quality problems occur during normal use within the warranty period, we will provide free replacements without any excuse or delay.
2. For non-discontinued materials and equipment that are out of the warranty period, we only charge the cost of relevant accessories for quality problems.
3. For discontinued materials and equipment, we provide alternative models and equipment replacement process services.
4. For the materials and equipment purchased by customers, we offer lifetime free system software upgrades and provide relevant technical documents for free.
5. We regularly follow up on the usage of the materials purchased by customers and promptly solve any problems.
6. Our company’s hotline provides 24-hour service, and we will respond to customers’ questions within 1 hour.
7. For any other matters not covered, our company adheres to the attitude of “thoughtful service and full responsibility” and solves problems from the customer’s perspective in a practical way. With a serious and rigorous corporate style, we wholeheartedly serve every customer.

The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers.
We supply directly from abroad, without middlemen, reducing the cost of use.
There is really no middleman who can make a price difference! !
If you have any defects or need to import PLC, DCS spare parts, please contact our team, we will help you find reliable and high-quality products super quickly, while shortening the delivery time to ensure that your equipment can operate normally in the right environment. On time.
Professionally provide: PLC programmable control system, distributed control system (DCS), safety instrument system (SIS), ESD system, vibration monitoring system, turbine compressor control system (CCS) and other PLC modules, various industrial control systems, system modules, CPU, IO module, DO module, AI module, DI module, network communication module, Ethernet module, motion controller, analog input module, analog output module, switch input module, switch output module, module redundancy, power supply module, relay output unit, relay input unit, processing unit.
Products are widely used in: electricity, petroleum, mine hoisting, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textile, chemical industry, water conservancy and other modern industrial fields!
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