TRICONEX 2658

TRICONEX 2658 Central Control Unit

Product  Description：

TRICONEX Central Control Units, often referred to as Main Processor Modules (MPMs), are the core intelligence of TRICONEX safety instrumented systems (SIS). These units are specifically designed for critical process control applications where safety, reliability, and continuous operation are paramount. Unlike standard PLCs, TRICONEX systems utilize a Triple-Modular Redundant (TMR) architecture to achieve exceptional fault tolerance and prevent single points of failure.

Product Description

A TRICONEX Central Control Unit typically consists of three identical, independent main processor modules operating in parallel. Each module executes the control program simultaneously, and their outputs are continuously compared and validated through a "two-out-of-three" voting mechanism. If one channel deviates, it is identified and isolated, allowing the system to continue operating without interruption. This inherent redundancy and extensive diagnostics ensure high integrity, error-free, and uninterrupted process operation, even in the presence of component failures or transient faults.

Key Functions

• Safety Logic Execution: Executes user-defined safety logic programs to monitor process variables and initiate protective actions (e.g., emergency shutdowns, fire and gas detection, burner management).
• Triple Modular Redundancy (TMR): Integrates three isolated and parallel control systems with extensive diagnostics.
• Voting Mechanism: Employs a 2-out-of-3 voting scheme to ensure data integrity and fault tolerance.
• System Diagnostics: Provides comprehensive, built-in diagnostics to detect and report operational faults across all channels and modules.
• Communication Management: Manages communication with I/O modules, communication modules, and supervisory systems.
• Time Synchronization: Capable of detecting sequences of events (SOE) and synchronizing time across the system for accurate logging and analysis.

Product Parameters (Typical, varies by specific model)

• Processor Type: Often utilizes robust industrial-grade microcontrollers (e.g., Motorola MPC860, Motorola 68040).
• Clock Speed: Typically in the range of 50 MHz to 100 MHz.
• Memory:
  • Flash PROM: For program, I/O, and control application storage (e.g., 6 MB).
  • DRAM: For application execution and SOE data (e.g., 16 MB, 128 MB).
  • NVRAM/SRAM: For retentive variables, often with battery backup (e.g., 8 KB, 32 KB).
• Communication Interfaces:
  • TriBus: Proprietary, CRC-protected communication bus for inter-processor communication.
  • TriStation Port: For system integration and programming.
  • Ethernet Connector (RJ-45): For network connectivity and remote diagnostics.
  • RS-232/RS-485: For diagnostics and serial communication.
  • Modbus Port: For communication with Modbus-compatible devices.
• Power Requirements: Typically 24V DC, with built-in battery backup for program integrity during power loss.
• Operating Temperature: Wide industrial range (e.g., -40°C to +70°C).
• Humidity: 0% to 95% non-condensing.
• Certifications: Often certified to various safety integrity levels (SIL), such as SIL3, according to international standards (e.g., IEC 61508, IEC 61511).

Product Advantages

• Superior Safety and Reliability: TMR architecture provides unmatched fault tolerance, ensuring continuous operation even with multiple component failures.
• High Availability: Eliminates single points of failure, minimizing downtime and maximizing plant uptime.
• Enhanced Operational Efficiency: Continuous, error-free operation leads to improved productivity and reduced operational risks.
• Built-in Diagnostics: Comprehensive, automatic self-diagnostics reduce the need for specialized knowledge and simplify troubleshooting.
• Online Module Replacement: Modules can be replaced online without interrupting process operation, further enhancing availability and reducing maintenance impact.
• Scalability: Systems can be scaled from single safety functions to large, complex plant-wide applications.
• Reduced Life Cycle Costs: The robust design, long lifespan, and ease of maintenance contribute to lower total cost of ownership.
• Cybersecurity Features: Designed with inherent security measures to protect critical safety functions from cyber threats.

Precautions

• Expert Configuration and Programming: Due to their safety-critical nature, TRICONEX systems require highly trained personnel for configuration, programming, and maintenance.
• Strict Adherence to Documentation: Always follow the detailed installation, wiring, and operational guidelines provided in the official TRICONEX manuals.
• ESD Protection: Handle modules with care to prevent damage from electrostatic discharge.
• Environmental Control: Ensure the operating environment stays within specified temperature, humidity, and vibration limits to maintain system integrity.
• Cybersecurity Practices: Implement robust cybersecurity measures, including network isolation, access controls, and regular patching, to protect the SIS from unauthorized access or tampering. Never leave systems in "program mode" without authorization.
• Firmware Updates: Firmware updates are tightly controlled and require careful adherence to procedures due to the system's safety-critical role.
• Proper Grounding and Bonding: Essential for preventing electromagnetic interference and ensuring signal integrity.

Product Applications

TRICONEX Central Control Units are deployed in industries where the consequences of a control system failure can be catastrophic, involving high risks to personnel, environment, and assets. Their primary applications include:

• Emergency Shutdown Systems (ESD): Initiating automatic shutdowns in response to dangerous process conditions (e.g., high pressure, high temperature).
• Fire and Gas (F&G) Systems: Detecting fire or gas leaks and initiating protective measures like alarm activation, ventilation control, or suppression.
• High-Integrity Pressure Protection Systems (HIPPS): Preventing overpressure in pipelines and vessels, often as an alternative to relief valves.
• Burner Management Systems (BMS): Ensuring safe startup, operation, and shutdown of industrial burners and furnaces.
• Turbomachinery Control and Protection: Providing high-integrity control and safety for gas and steam turbines, compressors, and pumps.
• Boiler Protection Systems: Preventing dangerous conditions in industrial boilers.
• Nuclear Power Plants: Critical control and safety systems.
• Oil and Gas: Offshore platforms, pipelines, refineries, petrochemical plants.
• Chemical and Pharmaceutical: Process control and safety in chemical and pharmaceutical manufacturing.
• Water and Wastewater: Critical control for treatment and distribution systems.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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