TRICONEX 8310

Description

Product Description

The TRICONEX 8310 is a high-performance, fault-tolerant Power Supply Module designed for the Triconex Triple Modular Redundant (TMR) safety instrumented system (SIS) and critical control platform. This module is engineered to provide clean, reliable, and isolated DC power to the main processor chassis and I/O modules within a Tricon system. The TRICONEX 8310 ensures the continuous operation of the safety controller by converting incoming AC or DC plant power into the precise voltage levels required by the sensitive TMR electronics. Its design incorporates redundancy and hot-swap capabilities, making it a critical component for maintaining system availability in demanding applications such as emergency shutdown (ESD) and fire and gas (F&G) systems in oil & gas, petrochemical, and power generation facilities.

Product Parameters

• Product Type: TMR Power Supply Module.
• System Compatibility: Designed for Triconex Tricon system chassis (e.g., Tricon v9, v10, v11).
• Input Voltage: Typically accepts a wide range of AC (e.g., 90-264V AC) and/or DC input voltages to accommodate global power standards.
• Output Voltage: Provides multiple isolated DC output rails (e.g., +5V, ±12V, +24V) to power the main processors, communication cards, and I/O modules within the chassis.
• Redundancy: Designed as a hot-swappable module. Systems are typically configured with two or three 8310 power supply modules operating in a load-sharing, N+1 redundant configuration to eliminate single points of failure.
• Power Rating: Rated for a specific wattage (e.g., 210W, 420W) to support a fully loaded Tricon controller chassis.
• Cooling: May include an internal fan for forced-air cooling. Proper airflow and clearance are specified for reliable operation.
• Diagnostics: Features status LEDs (Power OK, Fault) and provides comprehensive diagnostic signals to the main processor for conditions like input power loss, output failure, overtemperature, and fan failure.
• Mounting: Plugs into dedicated slots in the Tricon controller chassis.

Advantages and Key Features

• High Availability Design: The modular, hot-swappable, and redundant design of the TRICONEX 8310 ensures that a power supply failure does not cause a safety system shutdown. A faulty module can be replaced online without interrupting the control function, which is critical for continuous process protection.
• Wide Input Voltage Range: Can tolerate fluctuations and variations in plant power, ensuring stable operation without the need for external voltage stabilizers in most cases.
• Comprehensive Diagnostics and Monitoring: Continuously monitors its own health and provides early warning of potential failures. The system can generate an alarm, allowing maintenance to schedule a replacement during a planned outage before a catastrophic failure occurs.
• Isolated and Clean Power Outputs: Provides multiple, electrically isolated DC outputs. This isolation is crucial to prevent noise from the field I/O circuits from interfering with the sensitive TMR voting logic, ensuring the highest signal integrity and system reliability.
• Proven Safety System Integration: As a genuine Triconex component, it is fully tested and validated for use within the TMR architecture, meeting the rigorous requirements for Safety Integrity Level (SIL) 3 applications per IEC 61508.

Application Case Studies

• Offshore Platform Emergency Shutdown (ESD) System: In the main ESD cabinet, three TRICONEX 8310 power supplies are configured in a Triple Modular Redundant (TMR) configuration. This ensures that even with two power supply failures, the Tricon controller remains powered and capable of executing a safe shutdown, maximizing platform safety and availability.
• Chemical Plant Burner Management System (BMS): The power supply modules provide reliable power to the Tricon system that manages critical furnace igniters and fuel valves. Their diagnostic capability alerts operators to a failing power supply fan, allowing a proactive replacement before overheating causes a nuisance trip.
• Gas Processing Plant Safety System: Powering the main Tricon controller that monitors for hazardous gas leaks and excessive pressure. The wide input voltage range handles sags and surges from the plant’s electrical distribution system, preventing spurious system resets that could compromise safety.

Comparison with Competing Products

The TRICONEX 8310 is a proprietary subsystem component. Its direct competitors are the power supply modules within other major safety system platforms, such as the HIMA HIQuad power supply or the Siemens SIMATIC S7-400H/F PS407 power supply. Unlike generic industrial power supplies, the 8310 is specifically engineered for the electrical load profile, form factor, and diagnostic communication requirements of the Tricon chassis. Its key advantage is the guaranteed compatibility and the fact that its failure modes and diagnostics are fully integrated into the TMR system’s overall safety analysis. Third-party power supplies are not considered viable alternatives in certified safety systems due to validation, warranty, and support implications.

Selection Suggestions and Precautions

• Selection Suggestion: Select the TRICONEX 8310 only as a direct replacement spare part for an existing Tricon safety system or when expanding such a system with an additional chassis. It is not a general-purpose industrial power supply.
• Precautions:
  1. Exact Model Verification: The model number must match exactly. Different Tricon chassis sizes and I/O loads require specific power supply models with appropriate wattage ratings. Using an incorrect model can lead to inadequate power or physical incompatibility.
  2. Redundancy Configuration and Hot-Swap Procedure: If replacing a module in a redundant system, you must understand and follow the specific hot-swapping procedure outlined in the system’s maintenance manual. Incorrect removal/insertion can cause arc flash or disturb the operation of the remaining modules.
  3. Input Power Source Quality: While tolerant of voltage ranges, the incoming power source should be reliable and, for the highest criticality systems, preferably backed by an uninterruptible power supply (UPS) to protect against complete power loss.
  4. Cooling and Clearance: Maintain the required clearance around the power supply and ensure the chassis fans are operational. Blocked air vents or a failed chassis cooling fan can cause the 8310 to overheat and fail prematurely, even if the module itself is within specification. Regularly clean air filters.

HIMA F8620/11 PLCDCS
DS2020LRPBG1 GE PLCDCS
DS2020LRPBG2 GE DCS()
DS2020PDMAG1 GE