The Invensys Triconex 3351S2 Analog Input Module is a high-reliability input module designed for safety-critical and high-performance industrial applications. It is an integral part of the Triconex Tricon safety system, which utilizes Triple Modular Redundancy (TMR) to ensure maximum operational integrity. The 3351S2 module provides precise analog data acquisition while maintaining fault tolerance and continuous diagnostics, making it ideal for industries requiring strict process control and safety compliance.

This module supports a redundant architecture, ensuring high availability and reducing the risk of process failure. It is widely used in chemical, power generation, oil & gas, and other critical industries where safety and reliability are paramount.

Product Specifications

Product Applications

The Triconex 3351S2 Analog Input Module is widely used in safety-critical and high-reliability environments, including:

• Oil & Gas Industry – Monitoring pressure, temperature, and flow to prevent hazardous situations.
• Power Generation – Ensuring stable operation of turbines, generators, and transformers.
• Chemical Processing – Monitoring and controlling critical chemical reactions and hazardous materials.
• Pharmaceutical Manufacturing – Ensuring precise environmental conditions for production.
• Nuclear Power Plants – Providing safety monitoring and compliance with regulatory requirements.
• Water Treatment Facilities – Monitoring chemical levels, turbidity, and other critical parameters.
• Refineries & Petrochemical Plants – Enhancing process safety and operational integrity.

Product Advantages

• Triple Modular Redundancy (TMR) Technology – Provides high fault tolerance and reliability.
• Fast & Accurate Data Processing – High-speed analog-to-digital conversion with 16-bit resolution.
• Built-in Self-Diagnostics – Continuous health monitoring ensures system reliability.
• Wide Range of Input Support – Handles both voltage and current signals for diverse applications.
• Industry-Standard Compliance – Meets IEC safety standards for industrial automation.
• Long-Term Stability & Durability – Resistant to harsh environments with shock, vibration, and temperature tolerance.
• Seamless Integration – Compatible with Triconex control systems and Modbus communication.
• Redundant Architecture – Eliminates single points of failure for continuous operation.
• Scalability – Easily expands within the Triconex system for large-scale industrial applications.
• Low Power Consumption – Energy-efficient design minimizes operational costs.