Description

The ICS Triplex T8111C is a high-integrity central processing unit designed for use in Trusted TMR (Triple Modular Redundant) safety systems. This processor module forms the computational core of Triconex-based Safety Instrumented Systems (SIS), delivering fault-tolerant control for mission-critical industrial applications.

Unlike conventional PLC processors, the T8111C implements true hardware-level redundancy. It houses three independent microprocessor channels that execute identical logic simultaneously. A built-in voter circuit continuously compares outputs from all three channels. If one channel deviates due to a fault, the system isolates it without interrupting operation—ensuring continuous, safe control even during component failure.

This module is engineered for deployment in demanding sectors such as oil and gas, petrochemicals, power generation, and nuclear facilities. It supports compliance with international functional safety standards, including IEC 61508 SIL 3 and IEC 61511, making it suitable for the most stringent safety applications.

Key technical specifications include:

• Model Number: T8111C
• Manufacturer: ICS Triplex (a Rockwell Automation company)
• Product Type: Trusted TMR Processor Module
• System Family: Trusted TMR / Triconex
• Redundancy Architecture: Triple Modular Redundancy (TMR) with voting
• Dimensions: 93 mm × 304 mm × 265 mm (H × W × D)
• Weight: 3.06 kg
• Product Origin: USA
• Status: Active (not discontinued)
• Minimum Order Quantity: 1
• HS Code: 8537101190

The T8111C connects via a high-speed backplane to I/O modules and communication interfaces within a certified Triconex chassis. While the module itself does not include an Ethernet port, it supports system-level communication through dedicated network interface modules (e.g., T8510 or T8520) that enable integration with Ethernet/IP, Modbus TCP, or other industrial protocols.