Product Overview

The ICS Triplex T83114C is a specialized fiber optic Transmitter/Receiver (Tx/Rx) unit designed to extend the communication bus of the Trusted™ Triple Modular Redundant (TMR) system over long distances. This module acts as a high-speed bridge between a local Trusted Controller Chassis (T8100) and remote expansion chassis. By converting standard PECL (Positive Emitter-Coupled Logic) electrical signals into optical pulses, the T8314C allows for geographically distributed I/O architectures while maintaining the high-speed synchronization required for SIL 3 safety applications.

This specific "C" variant features a professional conformal coating, providing an additional layer of protection against moisture, dust, and corrosive chemical vapors. This makes the T8314C an essential component for offshore platforms, refineries, and other harsh industrial environments where atmospheric contaminants could otherwise compromise sensitive electronic circuitry.

High-Integrity Communication and Architecture

The T8314C is engineered to maintain the fault-tolerant nature of the Trusted system through redundant signal paths and robust hardware design.

• Long-Distance Connectivity: Optimized for single-mode fiber optic cabling, enabling reliable data transmission across expansive industrial sites without the interference risks associated with copper wiring.

• Redundant Power Design: Utilizes a dual 24V DC power input system to ensure that the fiber link remains active even if one power source fails.

• Signal Integrity Hardware: Equipped with integrated isolators, termination circuits, and precision filters to eliminate data jitter and ensure clean signal conversion between electrical and optical states.

• TMR Remote Linking: In a standard configuration, six units (three at each end of the link) work in parallel to provide a fully triplicated communication path, ensuring no single point of failure can disrupt system data.

• Hot-Swappable Maintenance: Individual units function independently within the TMR architecture, allowing for live replacement without stopping the process or losing the communication link.

• Zero-Configuration Setup: Features a true plug-and-play design that requires no software addressing or complex field configuration, significantly reducing commissioning time.

Technical Specifications

• Manufacturer: ICS Triplex (Rockwell Automation)

• Model Number: T8314C

• Product Series: Trusted TMR System / Regent Control

• Module Type: Fiber Optic Transceiver (Tx/Rx)

• Protection: Conformal Coated (CCoat) for harsh environments

• Optical Support: Single-mode Fiber

• Logic Interface: PECL (from Expander Interface Modules)

• Power Requirement: Dual 24V DC Inputs

• Weight: 1.2 kg (2.65 lbs)

• Dimensions: 3.0 x 30.2 x 26.5 cm

• Mounting: Standard DIN Rail

• Origin: USA

Industrial Reliability and Application

The T8314C is the industry standard for extending safety-critical networks where electrical isolation and distance are paramount. Because fiber optics are immune to electromagnetic interference (EMI) and radio frequency interference (RFI), this unit is ideal for installations near high-voltage motors or power generators.

The combination of the T8100 chassis and the T8314C transceiver allows engineers to centralize the logic solver while placing I/O modules closer to field instruments, reducing expensive copper cable runs. With its conformal coating and fault-tolerant architecture, the T8314C provides a durable and secure foundation for modern distributed control systems (DCS) and Safety Instrumented Systems (SIS).