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TRICONEX 3625 core component model

TRICONEX 3625 is a core component model of the Triconex Safety Instrumented System (SIS) series under Schneider Electric.

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TRICONEX 3625
 

TRICONEX 3625 is a core component model of the Triconex Safety Instrumented System (SIS) series under Schneider Electric. According to available information, it is mainly a Triple Modular Redundancy (TMR) communication interface module used for safe and reliable data exchange with field input/output (I/O) modules and other devices.

Below are the detailed descriptions of TRICONEX 3625:

1. Core Functions and Role

The primary function of TRICONEX 3625 is to provide a secure communication interface, ensuring highly reliable data transmission between system modules and preventing safety function failures caused by communication faults.

  • Communication hub: It serves as the bridge between the safety system’s central processing unit (CPU) and field actuators (such as valves and sensors).
  • Redundancy protection: It adopts a Triple Modular Redundancy (TMR) design, allowing the system to continue operating normally even if one channel fails.

2. Key Technical Specifications

The TRICONEX 3625 communication module supports multiple industrial communication protocols and features the following typical characteristics:

  • Communication protocols: Supports Modbus TCP/RTU, Profibus DP, OPC, TriStation LAN, and others, offering strong compatibility.
  • Interface types: Equipped with 2 × 100BASE-TX (RJ45) Ethernet ports and 1 × RS-485 serial port, with Ethernet transmission rates up to 100 Mbps.
  • Safety level: Complies with IEC 61508 SIL 3 standards, providing high safety integrity and reliability.
  • Environmental adaptability: Wide operating temperature range (–40°C to +70°C), suitable for harsh industrial environments.

3. Typical Application Scenarios

TRICONEX 3625 is mainly used in safety-critical control systems in high-risk industries, including:

  • Emergency Shutdown (ESD): Quickly drives valves to close when overpressure or leakage is detected, protecting equipment and personnel.
  • Burner Management System (BMS): Controls the opening and closing of gas valves to prevent fire and explosion hazards.
  • Compressor protection: Prevents compressors from damage due to overload or abnormal operating conditions.
  • Power and nuclear industries: Protects critical equipment such as generators and turbines.

Summary

TRICONEX 3625 is a communication module specifically designed for safety-critical industrial automation. Through multi-protocol support and redundant architecture, it ensures that critical equipment in industries such as oil & gas, petrochemical, and power generation can respond reliably under emergency conditions.


 
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