Description

The TRICONEX 2301 is a highly reliable, triple-redundant AC-to-DC power supply module, serving as the foundational source of power for a Tricon v9, v10, or v11 Safety Instrumented System (SIS) chassis. This module is engineered to convert incoming utility or uninterruptible power supply (UPS) AC voltage into the precisely regulated DC power required by all other modules within the Tricon rack, including the main processors, I/O modules, and communication cards. Its core function is to ensure the continuous, clean, and stable operation of the entire safety controller, which is paramount for executing its protective functions without interruption. The 2301 embodies the principle of redundancy intrinsic to the Triple Modular Redundant (TMR) architecture; while it is a single module, its internal design incorporates redundant power conversion paths and components to achieve the high availability demanded by SIL 3 applications.

The intrinsic value of the TRICONEX 2301 lies in its critical role as the “heart” of the Tricon system. Its robust design and high-quality components are specifically chosen to maximize Mean Time Between Failures (MTBF), a key metric in safety system availability. The module is designed to provide significant hold-up time, allowing the Tricon system to continue operating without disruption through brief power dips or interruptions, and to execute a controlled shutdown in the event of a prolonged power loss. This capability is essential for placing process equipment into a safe state and preventing hazardous events. Furthermore, the module continuously monitors its own status and the integrity of the incoming power, reporting any anomalies to the main processor for system-level diagnostics and alarm generation. The TRICONEX 2301 is not merely a power converter; it is a vital, intelligent component dedicated to ensuring the unwavering reliability of the world’s most trusted safety platform.

2301 TRICONEX

Technical Specifications

Parameter Name	Parameter Value
Product Model	2301
Manufacturer	Triconex (Schneider Electric)
Product Type	Triple Redundant Power Supply
Input Voltage	120/240 VAC, auto-sensing (47-63 Hz)
Output Voltage	+5.1 VDC (logic) and +/- 12 VDC or +24 VDC (I/O comms)
Output Power	200 Watts (typical maximum)
Hold-up Time	≥ 20 ms at full load (allows ride-through of brief outages)
Efficiency	> 70%
MTBF	Exceeds 1,000,000 hours (calculated)
Isolation	1500 Vrms (input to output)
Operating Temperature	0°C to 60°C (32°F to 140°F)
Safety Certification	Designed for use in SIL 3 applications per IEC 61508

Main Features and Advantages

The TRICONEX 2301 delivers a powerful combination of reliability, intelligence, and seamless integration. Its foremost advantage is its internally redundant design. While a single physical module, it incorporates multiple, independent power conversion and regulation circuits. This design philosophy ensures that a failure of a single internal component does not lead to a complete loss of power for the chassis, thereby upholding the high availability required of a safety system and protecting against common-cause power supply failures.

Comprehensive built-in diagnostics are another critical feature. The module actively monitors its output voltages, current, and temperature. It can detect conditions such as overvoltage, undervoltage, overtemperature, and loss of an AC input phase. These faults are communicated directly to the Tricon main processors, which can then generate alarms to alert operators and maintenance personnel, enabling proactive response before a situation escalates. The wide input voltage range and auto-sensing capability of the TRICONEX 2301 provide significant flexibility for global deployment, eliminating the need for hardware jumps or configuration. Its high hold-up time is a significant safety feature, guaranteeing that the system remains operational during short-term power fluctuations that are common in industrial environments, ensuring continuous protection without nuisance trips.

Application Field

The TRICONEX 2301 is deployed in every industry where the Tricon SIS is the platform of choice for protecting people, assets, and the environment from catastrophic process events. Its primary application is within the oil and gas sector, providing dependable power to safety systems on offshore production platforms, in liquefied natural gas (LNG) facilities, within refinery process units (e.g., catalytic cracking, alkylation), and along pipeline transportation networks for Emergency Shutdown (ESD) and Fire and Gas (F&G) systems.

In the power generation industry, the 2301 is critical for the protection of gas and steam turbines, boiler systems, and nuclear power plant safety loops, where a loss of control power could have severe consequences. It is equally essential in chemical and petrochemical plants, safeguarding high-pressure reactors, ethylene crackers, and other volatile processes. Any application that relies on a Tricon v9/v10/v11 system to mitigate risk and ensure safe operation is fundamentally dependent on the unwavering performance of the TRICONEX 2301 power supply module.

2301 TRICONEX

Related Products

2361: A newer generation or complementary power supply module within the Tricon ecosystem.

4351B: The main TMR processor for the Tricon v11 system, which is powered by the 2301.

3805E: A Digital Input Module, representing one of the many I/O modules that rely on the clean power provided by the 2301.

8111 / 8121: N+1 Redundant Power Supply systems that can be configured to provide redundant AC input sources to the 2301 module for enhanced availability.

9662-810: The Tricon v11 system chassis that houses the 2301 and all other modules.

Triconex Power Supply Modules for different platforms: Such as those designed for the older Tricon 3006 or newer Tricon CX systems.