The TRICONEX 3008 is the high-performance Main Processor (MP) module designed for Tricon v9.6 and later Triple Modular Redundant (TMR) systems. As the “brain” of the Tricon controller, the 3008 MP manages the execution of control programs, processes all input data from I/O modules, and generates output commands. Each Tricon chassis utilizes three 3008 MPs in a TMR configuration, providing a 2-out-of-3 (2oo3) voting mechanism that ensures uninterrupted safety control even if one processor fails. The 3008 is optimized for high-speed logic execution and expanded memory capacity to handle complex safety instrumented system (SIS) applications.
Product Specifications
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Model Number: 3008
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Part Number: 3000803-XXX
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Processor Type: 32-bit High-Speed Microprocessor
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Memory: 16 MB Dynamic RAM (DRAM), 2 MB Battery-backed SRAM
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Dimensions: 380 mm x 300 mm x 35 mm
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Weight: 2.25 kg
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Country of Origin: USA
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Clock Speed: 50 MHz (Typical)
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Power Consumption: 10 Watts (Approximate)
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Status Indicators: Pass, Fault, Active, Load, and Node Address Display
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Isolation: 500 VDC (Logic to Chassis)
Application Fields
The TRICONEX 3008 MP is a cornerstone of global industrial safety. It is widely applied in high-stakes environments such as Emergency Shutdown (ESD) systems, Critical Process Control, Fire and Gas (F&G) management, and Turbomachinery Control. Industries including oil and gas exploration, chemical processing, nuclear power generation, and semiconductor manufacturing rely on the 3008 to maintain Safety Integrity Level 3 (SIL 3) standards and prevent catastrophic failures in the event of hardware or software faults.
Product Instructions
In a standard Tricon system, three 3008 MP modules must be installed in the designated “Main Processor” slots of the primary chassis. To install, align the module with the card guides and firmly push it into the backplane until the top and bottom extraction levers lock. The system will automatically perform a Power-Up Self-Test (POST). Configuration, program downloading, and diagnostic monitoring are conducted via TriStation 1131 software. For continuous operation during maintenance, the 3008 supports “Hot-Swapping”; a single failed processor can be removed and replaced with a new 3008 module while the other two processors maintain active control of the process.
FAQ: Common Questions and Answers
Q: Can I mix a 3008 MP with older 3006 or 3007 processors? A: No. For the TMR voting system to function correctly, all three Main Processors in the chassis must be of the same model and hardware revision. Mixing different processor models will prevent the system from entering a healthy “Active” state.
Q: What is the purpose of the battery-backed SRAM? A: The 2 MB SRAM ensures that the control program and critical retentive variables are preserved during a power loss. It is recommended to replace the lithium backup battery periodically to prevent data loss during long-term shutdowns.
Q: How do I identify which of the three MPs is the “Leader”? A: In a TMR system, all three processors are effectively peers. However, the TriStation software and the front-panel “Active” LEDs indicate which modules are currently participating in the control logic. If an “Err” or “Fault” LED is lit on one module, it signifies that the specific processor has been voted out by the other two.
Find detailed technical parameters and stock information for the TRICONEX 3008 to ensure the reliability of your safety-critical infrastructure.
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