Description

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​​Product Overview​​

The ​​TRICONEX 4200​​ is a high-integrity safety module designed for critical control applications within the Tricon (Triple Modular Redundant) platform by Triconex, now part of Schneider Electric. This module is engineered to provide unparalleled reliability and fault tolerance in processes where safety is paramount, such as emergency shutdown (ESD), fire and gas systems, and turbine control. The ​​TRICONEX 4200​​ leverages Triple Modular Redundancy (TMR) technology, employing three isolated, parallel control systems and dedicated hardware to perform two-out-of-three voting on all inputs, outputs, and communications. This architecture ensures continuous operation even in the event of a single component failure, maintaining process availability while preventing dangerous failures. The module is typically designed for seamless integration into existing Tricon chassis and communicates effectively with other system components to execute safety logic solvers. Its robust design is aimed at achieving Safety Integrity Level (SIL) 3 certification as per IEC 61508 and IEC 61511 standards, making it a cornerstone for protecting personnel, equipment, and the environment in high-risk industries.

​​Technical Specifications​​

​​Main Features and Advantages​​

The ​​TRICONEX 4200​​ module’s primary advantage lies in its fault-tolerant design based on TMR architecture. This ensures that no single point of failure will cause a total system shutdown, maximizing process uptime and safety. It features extensive online diagnostics that continuously monitor the health of the module itself and its communication paths, enabling the detection of over 99% of potential faults. These diagnostics contribute to a very high safe failure fraction (SFF). The module is designed for hot swapping, allowing for maintenance, repair, or replacement without powering down the entire safety system, thus minimizing operational disruption. Its robust construction ensures reliable performance in harsh industrial environments characterized by extreme temperatures, humidity, and electromagnetic interference. The ​​TRICONEX 4200​​ is supported by a comprehensive suite of engineering tools for configuration, programming, and diagnostics, streamlining the entire lifecycle from deployment to maintenance.

​​Application Areas​​

The ​​TRICONEX 4200​​ is deployed in industries where process safety is critical. In oil and gas, it is used in emergency shutdown (ESD) systems for offshore platforms and onshore refineries, as well as in fire and gas (F&G) detection and mitigation systems. In chemical and petrochemical plants, it manages safety instrumented functions (SIFs) for reactor control, high-pressure interlock, and emergency depressurization. Power generation facilities utilize it for turbine overspeed protection and burner management systems. It also finds applications in pharmaceutical manufacturing for critical batch process safety, in nuclear power plants for auxiliary system control, and in other sectors like transportation (tunnel control) and water treatment where high-reliability automation is essential for public and environmental safety.

​​Related Products​​

• ​​TRICONEX 3008​​: Main Processor for executing control programs in TMR architecture.
• ​​TRICONEX 3503E​​: Digital Input Module for reading field device signals.
• ​​TRICONEX 3805E​​: Analog Output Module for controlling analog field devices.
• ​​TRICONEX 4351B​​: Advanced Communication Module for network integration.
• ​​TRICONEX 4119​​: Enhanced Intelligent Communication Module (EICM) for external system interfaces.
• ​​TRICONEX 8312​​: Power System for providing redundant power to the chassis.
• ​​Trident​​: The latest generation of Triconex safety controllers, offering enhanced performance and connectivity.

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