Product Short Description
Overview:
The TRICONEX 8120E is a key module within the Triconex Triple Modular Redundant (TMR) Safety Instrumented System (SIS). Public technical sources describe it either as a high-performance main processor module or as a communication expansion module (EICM II+). In either role, it is engineered for SIL 3 rated mission-critical applications in oil & gas, power, and chemical industries.
Description
Technical Specifications (Communication / Processor class):
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Architecture: Triple Modular Redundancy (TMR)
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Safety Level: SIL 3 (IEC 61508)
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Processor: High-performance 32-bit embedded CPU (independent of main CPU in comms role)
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Ethernet Ports: 2 × 10/100/1000BASE-T RJ45, auto-negotiating
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Protocols: Modbus TCP (Client/Server), EtherNet/IP (Explicit Messaging & Implicit I/O), Triconbus, SNTP/NTP
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Global Variable Mapping: Up to several thousand I/O points
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SOE Buffer: Built-in millisecond time-stamping event buffer
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Supply: Powered from Tricon chassis backplane (+5 VDC), no external power required
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Hot-swap: Supported
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Operating Temperature: -20 °C to +60 °C
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Storage Temperature: -20 °C to +65 °C
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Relative Humidity: 5 % to 95 % non-condensing
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Certifications: SIL 3 (IEC 61508), TÜV, CE, UL, ISA
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Origin: USA or UK
Key Features:
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TMR architecture for fault-tolerant, fail-safe operation
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Independent communication processor reduces main CPU load
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Redundant Ethernet with star, ring, or cascaded topologies
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Hot-swappable for online maintenance without process interruption
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Comprehensive LED indicators (OK, COMM, FAULT, Link/Act)
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Built-in SOE recording for post-event forensic analysis
Application Scenarios:
Emergency Shutdown Systems (ESD), Fire & Gas (F&G) systems, Burner Management Systems (BMS) in oil & gas, petrochemical, offshore platforms, and power generation.
Installation & Notes:
Insert into the dedicated communication slot in the Tricon main or extension chassis (typically adjacent to the main processor). Although hot-swap is supported, exercise caution to avoid network interruption. Ensure firmware version compatibility (v11.x or v12.x recommended).
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