TRICONEX 2301 TMR Safety I/O Module for Critical Industrial Control Systems

Product Description

The TRICONEX 2301 is a high-integrity Triple Modular Redundant (TMR) safety I/O module, engineered by TRICONEX (Schneider Electric) for SIL 3 safety instrumented systems (SIS) in critical industrial environments. As a core interface between field devices and Tricon controllers, this hot-swappable module provides reliable digital/analog signal acquisition and control, supporting redundant architectures to ensure uninterrupted operation even during component failures. It complies with IEC 61508 standards, features advanced diagnostics with LED status indicators, and offers seamless integration with Tricon chassis—making it ideal for emergency shutdown (ESD), fire & gas (F&G), and turbine protection systems in oil & gas, chemical, and power generation industries.

Key Functions

The 2301 module delivers TMR-based signal processing for digital input/output and analog monitoring, ensuring signal integrity and fault tolerance in safety-critical applications. Key functions include: hot-swappable design for online maintenance without system shutdown; 24V DC industrial power compatibility; LED diagnostics for PASS/FAULT/ALARM status; support for Modbus TCP/IP and Ethernet/IP communication protocols; and integration with Tricon main/expansion chassis. It provides 8-channel relay output (2A per channel) and configurable digital input channels, with built-in overcurrent/short-circuit protection and electrical noise immunity to withstand harsh industrial conditions.

Application Scenarios

The TRICONEX 2301 is deployed in safety-critical industrial applications requiring TMR redundancy and SIL 3 compliance. In offshore platforms and refineries, it supports ESD systems by connecting pressure/temperature switches and emergency stop buttons to Tricon controllers, ensuring rapid shutdown during abnormal conditions. In chemical plants, it facilitates reactor safety interlocks and toxic gas mitigation by controlling valve actuators and monitoring gas detector signals. In power generation facilities, it connects turbine/generator protection sensors (vibration, temperature) and boiler control actuators to the SIS, preventing catastrophic equipment failure. It is also used in mining, pharmaceutical manufacturing, and water/wastewater treatment—all scenarios where signal reliability and system availability are critical to preventing safety incidents.

Technical Specifications

• Global Inventory Network: 121 shared inventories worldwide, enabling direct procurement from overseas warehouses—supporting faster delivery and reduced logistics costs.
• Pricing & After-sales: Competitive prices paired with reliable after-sales warranty services.
• Customer Coverage: Serving clients across regions including the United States, Germany, Japan, South Korea, United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, Netherlands, Switzerland, Sweden, Belgium, Austria, and Turkey.
• Product Quality Assurance: All products are brand new and original. Spare parts include a 1-year warranty, and all items undergo pre-delivery testing and certification.
• Discount Policy:
• Multi-product orders qualify for custom discounts (contact us for details).
• We offer further price adjustments if you receive a lower quote for identical products from other suppliers, tailored to your budget.