Description
Product Overview
The Tricon MP 3008 is the Main Processor Module for the Tricon v9 model 3008 Triple Modular Redundant (TMR) Safety Instrumented System (SIS) controller, manufactured by Invensys (now part of Schneider Electric). It is the central brain and control unit of the entire Tricon 3008 safety controller chassis. This module houses three independent, synchronized 32-bit microprocessors (each from a different manufacturer and running diverse software) that execute the same user-written safety logic in parallel. The outputs of the three processors are compared (voted) in hardware at every scan. The MP 3008 orchestrates all controller activities, including I/O scanning, communication, and diagnostics, ensuring the highest level of fault tolerance and system availability. The «3008» designation identifies it as part of the v9 generation, with specific performance and I/O capacity characteristics.
The core value of the Tricon MP 3008 Main Processor lies in its unmatched safety integrity, deterministic performance, and hardware-based fault tolerance. It is the embodiment of the TMR architecture, designed to continue safe and correct operation even in the presence of a random hardware fault. A single fault in one of its three channels will be immediately detected and masked by the other two, preventing a spurious output and triggering a diagnostic alarm for repair. This design is certified for the highest Safety Integrity Levels (SIL 3 per IEC 61508/61511). For operators in industries like oil and gas, petrochemicals, and power generation, the MP 3008 is the heart of a system trusted to prevent catastrophic events, offering unparalleled reliability for critical Emergency Shutdown (ESD), Fire & Gas (F&G), and Turbomachinery Control (TMC) systems. Its model number signifies a specific generation and performance tier within the trusted Triconex product line.
Technical Specifications
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Parameter Name
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Parameter Value
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Product Model
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Tricon MP 3008
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Manufacturer
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Invensys Triconex (now Schneider Electric)
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Product Family
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Tricon v9 Series Main Processor
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Primary Function
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Triple Modular Redundant (TMR) Main Processor for the Tricon 3008 Safety Controller
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Core Processing & Architecture
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Architecture: Triple Modular Redundant (TMR). Contains three physically separate, independent microprocessor channels (A, B, C).
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Processors: Three different 32-bit microprocessors, each from a different manufacturer, running in lock-step synchronization.
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Diversity: Hardware Diversity (different chip manufacturers) and Software Diversity (different firmware teams/compilers) to protect against common-cause failures.
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Voting: Continuous, hardware-based voting of I/O data and inter-channel communication at every scan. A two-out-of-three (2oo3) voting logic masks any single channel failure.
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Memory: Integrated memory for the operating system, user application logic, and I/O data tables. Memory is mirrored and voted across all three channels.
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Scan Time: Deterministic scan time, configurable down to a typical minimum of 10 ms for the main control program, suitable for high-speed safety applications.
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Logic Solver Capacity: Supports a defined maximum number of I/O points, program variables, and logic statements (specific capacity detailed in the Tricon v9 system specifications).Communication & Integration
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Internal Bus: Manages the high-speed Tricon Internal Bus (TriBus) for communication with I/O modules in the same chassis.
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Peer-to-Peer Communication: Supports the TriStation Network via a dedicated communication module (e.g., 3805E) for high-integrity data exchange with other Tricon controllers.
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External Interfaces: Provides ports for connecting a programming/engineering workstation (via a serial or Ethernet adapter) for configuration, monitoring, and diagnostics.
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Diagnostic Port: Dedicated port for in-depth diagnostics and troubleshooting.Hardware & Mechanical
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Form Factor: A hot-swappable module that installs into the dedicated left-most slot (Slot 1) of a Tricon 3008 Main Chassis.
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Chassis Compatibility: Designed exclusively for the Tricon 3008 Main Chassis.
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LED Indicators: Extensive front-panel LEDs for system and channel status: Power OK, Run, I/O OK, Fault indicators for each channel (A, B, C), and overall system status.
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Battery Backup: Contains a battery to maintain the user application program and memory in the event of a main power loss.Environmental & Safety
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Operating Temperature: 0 to 60°C (32 to 140°F)
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Safety Certification: Certified for use in Safety Integrity Level 3 (SIL 3) applications as per IEC 61508 and IEC 61511 standards.
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Fault Tolerance: Hardware Fault Tolerance of 1 (HFT=1). Can withstand a single dangerous hardware fault without causing a loss of the safety function.
Key Features and Advantages
Uncompromising Safety via TMR Architecture: The triple-redundant, hardware-diverse design is the gold standard for fault tolerance. It provides online diagnostics, fault masking, and continued operation in the presence of a single fault, delivering the high availability and safety integrity required for the most critical applications.
Deterministic and High-Performance Execution: The MP 3008 executes safety logic with a predictable, fixed scan time. This determinism is critical for applications where response time is part of the safety loop calculation. Its performance is sufficient for complex logic and high I/O counts in demanding safety systems.
Comprehensive Diagnostics and Hot-Swap Capability: The processor continuously performs self-tests and cross-channel comparisons. Any fault is instantly detected, alarmed, and its location (Channel A, B, or C) is identified. Combined with hot-swap capability, a faulty MP module or I/O module can be replaced without shutting down the controller or the process it protects, maximizing uptime.
Established, Proven Platform: The Tricon v9 platform, with the MP 3008 at its core, has a decades-long, global track record of reliability in thousands of the world’s most critical process facilities. This proven performance reduces engineering risk and lifecycle costs.
Application Areas
The Tricon MP 3008 is the central processing unit for SIL 3 certified Safety Instrumented Systems (SIS) and critical control systems across hazardous process industries.
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Emergency Shutdown (ESD) Systems: The primary logic solver for process shutdowns in oil & gas platforms, refineries, petrochemical plants, and pipelines.
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Fire & Gas (F&G) Detection and Mitigation Systems: Logic solver for detecting hazards and activating fire suppression and emergency ventilation.
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Burner Management Systems (BMS): Ensuring safe start-up, operation, and shutdown of industrial furnaces and boilers in power plants and chemical facilities.
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Turbomachinery Control (TMC): Providing overspeed protection and sequencing for gas/steam turbines and compressors.
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High-Integrity Pressure Protection Systems (HIPPS): A critical component in systems designed to isolate sections of pipeline to prevent overpressure.
Related Products
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Tricon 3008 Main Chassis: The enclosure and backplane that houses the MP 3008 and I/O modules (e.g., 12-slot or 6-slot chassis).
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Tricon I/O Modules: Various TMR input and output modules (e.g., 8312 120VAC DI, 8302 Relay DO, 8701 AI) that connect to the chassis and are managed by the MP.
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Tricon Communication Modules: Such as the 3805E for TriStation and Modbus TCP/IP networks, which plug into the chassis and are managed by the MP.
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Tricon Power Supply: The redundant, hot-swappable power supply system for the chassis (e.g., 8312P).
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Programming & Engineering Workstation: A PC running Triconex TriStation 1131 software, which is used to program, configure, monitor, and diagnose the entire Tricon system via the MP 3008.
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Communication Cables & Adapters: For connecting the engineering station and building networks.
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