Product Overview

The ICS Triplex T8111C serves as the primary logic solver for the Trusted™ Triple Modular Redundant (TMR) System. This high-integrity processor is designed to provide fault-tolerant control for the world’s most demanding industrial safety and critical control applications. Utilizing a sophisticated triplicated architecture, the T8111C executes application logic across three independent processing engines simultaneously. By performing continuous 2-out-of-3 (2oo3) hardware voting on all internal operations, the module ensures that a single-point failure—whether hardware or software induced—cannot result in a loss of safety function or an unnecessary process trip.

Engineered for the "Continuous Run" philosophy, the T8111C allows for maximum system availability. It manages all I/O polling, executes complex control algorithms, and handles system-wide diagnostics. In high-stakes environments such as nuclear facilities, offshore platforms, and large-scale chemical refineries, the T8111C provides the deterministic performance and rigorous fault isolation required to protect personnel, assets, and the environment.

Key Technical Characteristics

The T8111C is distinguished by its massive computational capacity and its unique ability to remain operational during internal faults.

• Triplicated Processing Architecture: Features three identical processing slices that operate in lock-step, ensuring that every logic command is validated by majority consensus before execution.

• Comprehensive Self-Testing: Performs exhaustive background diagnostics on memory, logic gates, and clock synchronization to identify latent faults before they can impact safety.

• Robust Fault Tolerance: Designed to withstand a hardware failure in any one of the three processing paths; the remaining two processors continue to provide full safety coverage without interruption.

• High-Resolution Data Handling: Capable of managing thousands of I/O points with millisecond-level precision, supporting complex Sequence of Events (SOE) recording for forensic analysis.

• Harsh Environment Hardening: Built to resist heavy mechanical vibration, electromagnetic interference (EMI), and significant thermal fluctuations common in industrial control rooms.

• Hot-Repair Capability: Supports "online" module replacement. In a redundant chassis configuration, the T8111C can be swapped while the process remains live, maintaining 100% uptime during maintenance.

Technical Specifications

• Manufacturer: ICS Triplex (Rockwell Automation)

• Model Number: T8111C

• Product Series: Trusted TMR System

• Module Type: Main Processor / Logic Solver

• System Logic: Triple Modular Redundant (TMR)

• Weight: 3.06 kg (6.75 lbs)

• Dimensions: 9.3 x 30.4 x 26.5 cm

• Compliance: IEC 61508 SIL 3, TUV Certified

• HS CODE: 8537101190

• Country of Origin: USA

• Condition: Brand New

Industrial Reliability and Application

As the "brain" of the Trusted platform, the T8111C is the industry standard for Safety Instrumented Systems (SIS). Its applications span across Emergency Shutdown (ESD) systems, Fire and Gas (F&G) detection, and Critical Process Control. The module's native communication services allow for seamless integration with Ethernet routers and HMI systems, providing operators with deep diagnostic visibility into the health of the safety loop.

The T8111C's innovative design prioritizes safety integrity without compromising production efficiency. By eliminating spurious trips caused by internal hardware glitches, it significantly reduces the total cost of ownership (TCO) for industrial plants. For engineers who prioritize reliability, the T8111C represents the pinnacle of fail-safe controller technology.