TRICONEX 2652-310 Basis unit
Product Description:
A TRICONEX Basis Unit, often referred to as a chassis or backplane, is the fundamental physical and electrical foundation for a TRICONEX Safety Instrumented System (SIS). TRICONEX systems are renowned for their Triple-Modular Redundant (TMR) architecture, meaning they integrate three isolated, parallel control systems and extensive diagnostics to provide a high degree of safety and availability in critical process applications. The Basis Unit provides the slots and electrical connections for the Main Processors (CPUs), I/O modules, and communication modules that form the complete TRICONEX safety controller.
Key Functions
- Module Housing: Provides the physical structure for mounting all TRICONEX modules (Main Processors, I/O, Communications, and Power Supplies).
- Electrical Interconnection: Establishes robust and reliable electrical connections between all installed modules.
- High-Integrity Bus Communication: Facilitates high-speed, secure, and fault-tolerant communication between the redundant Main Processors and I/O modules via the backplane bus.
- Power Distribution: Distributes redundant and conditioned power from the power modules to all other modules in the chassis.
- Diagnostic Integration: Supports the continuous, comprehensive self-diagnostics inherent in the TRICONEX TMR architecture by providing the pathways for diagnostic data exchange.
Product Parameters (Typical)
- Number of Slots: Varies by model (e.g., typically 8, 12, or 16 slots for various module types).
- Redundancy Support: Designed specifically to support TMR architecture, ensuring 2-out-of-3 voting for high integrity.
- Environmental Ratings: Industrial-grade, often specified for harsh environments (e.g., operating temperature ranges, humidity, vibration, and shock resistance). May have specific IP ratings for ingress protection (e.g., IP43 when in an enclosure).
- Power Supply Options: Accommodates redundant power supply modules (e.g., 24 VDC, 120 VAC, 240 VAC).
- Physical Dimensions: Varies based on the number of slots and specific model series (e.g., Tricon, Trident, Tri-GP).
- Certifications: Often certified to international safety standards such as IEC 61508 (SIL 3) for safety-instrumented systems.
Product Advantages
- Triple-Modular Redundancy (TMR): The cornerstone advantage. This architecture provides unparalleled fault tolerance, allowing the system to continue operating without interruption even in the presence of a single fault in any channel (processor, I/O, or communication). This drastically increases system availability and safety.
- High Availability: Due to TMR and hot-swappable modules, faulty modules can be replaced online without interrupting the process, minimizing downtime.
- Superior Safety: Designed for critical applications requiring high integrity and safety. The voting mechanism prevents nuisance trips while ensuring safe shutdowns when necessary.
- Comprehensive Diagnostics: Extensive self-diagnostics on every channel, module, and functional circuit continuously monitor the system's health, immediately detecting and reporting operational faults.
- Robustness: Engineered for demanding industrial environments, ensuring reliable operation in extreme conditions.
- Simplified Maintenance: Online diagnostics and hot-swappable modules streamline maintenance, reducing labor and costs.
Precautions
- ESD (Electrostatic Discharge) Precautions: Always handle TRICONEX Basis Units and modules with proper ESD protection to prevent damage to sensitive electronic components.
- Power Requirements: Ensure the power supply connected to the Basis Unit meets the exact voltage and current requirements for the installed modules and the overall system. Using incorrect power can damage the unit.
- Environmental Conditions: Install the Basis Unit within its specified operating temperature, humidity, and vibration limits. Exceeding these can compromise performance and longevity.
- Proper Module Insertion: Carefully insert modules into their designated slots, ensuring they are fully seated to establish proper electrical contact and avoid damage to connectors.
- Grounding: Proper grounding of the Basis Unit and the entire system is crucial for safety and to minimize electrical noise interference.
- Configuration and Programming: TRICONEX systems require specialized training and expertise for proper configuration and programming to ensure safe and correct operation for safety applications.
- Security: Implement appropriate cybersecurity measures to protect the TRICONEX system from unauthorized access or cyber threats, especially when connected to broader networks.
Product Applications
TRICONEX Basis Units are at the core of safety-instrumented systems (SIS) in industries where failure can lead to catastrophic consequences for people, the environment, or assets. Key applications include:
- Emergency Shutdown Systems (ESD): Protecting personnel, equipment, and the environment by shutting down processes to a safe state during hazardous conditions.
- Burner Management Systems (BMS): Ensuring the safe start-up, operation, and shutdown of combustion equipment like boilers, furnaces, and heaters.
- Turbomachinery Control and Protection (TMC): Providing high-integrity control and protection for critical rotating equipment like gas and steam turbines, compressors, and pumps.
- Fire and Gas Systems (FGS): Detecting and mitigating fire and gas hazards in industrial facilities.
- High Integrity Pressure Protection Systems (HIPPS): Preventing over-pressurization in pipelines and vessels by rapidly shutting off pressure sources.
- Nuclear Power Plants: Used in safety-critical control and protection systems due to their high reliability and fault tolerance.
- Oil & Gas (Upstream, Midstream, Downstream): Crucial for safety in drilling, production, transportation, and refining processes.
- Chemical and Petrochemical Plants: Ensuring safe operation of complex chemical reactions and processes.
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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