ICS Triplex T8110C

ICS Triplex T8110C

Product Overview

The T8110C is a core Triple Modular Redundant communication processor module for the Trusted T8000 safety fault-tolerant control system. It features conformal coating (CCoat) covering the entire circuit board, providing enhanced protection against high humidity, salt spray, dust, and condensed moisture. This module undertakes multiple core functions including internal system bus data scheduling, cross-chassis communication relay, protocol interaction with third-party equipment, and Sequence-of-Events (SOE) event caching and synchronization.

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Description

ICS Triplex T8110C

Technical Specifications

Parameter Specification
Model T8110C
Product Type Trusted CCoat TMR Processor Module
Manufacturer ICS Triplex (Rockwell Automation)
System Platform Trusted T8000 Safety Fault-Tolerant Control System
Redundancy Architecture Triple Modular Redundancy (TMR)
Fault Tolerance Hardware Implemented Fault Tolerance (HIFT)
Safety Certification IEC 61508 SIL 3
Programming Standard IEC 61131-3
Processor Architecture PowerPC (400 MHz per some configurations)
Memory 256 MB SDRAM, 2 MB Flash (typical configuration)
Input Voltage 24 VDC (20–32 VDC range)
Communication Interfaces RS232, RS422/485, Ethernet
Time Synchronization IRIG-B002, B122
Operating Temperature -40°C to +70°C (extended range)
Protection Rating IP20 (rack-mounted)
Conformal Coating Full CCoat protection on entire PCB
Dimensions Approximately 23 × 17 × 18 cm
Weight Approximately 1.2–1.8 kg

Functional Features

  • Conformal Coating Protection: Full CCoat coverage resists erosion from high humidity, salt spray, dust, and condensed moisture
  • True TMR Architecture: Three independent processors synchronously execute tasks and cross-validate results
  • Hardware Fault Tolerance: Millisecond-level fault detection and automatic switching guarantee system continuity
  • Hot-Swap Support: Module replacement without rebooting or reloading application programs
  • Time-Stamped Fault History: Built-in self-test generates timestamped diagnostic records for predictive maintenance
  • Front-Panel Diagnostics: LED indicators and RS232 serial diagnostic port for real-time monitoring
  • Time Synchronization: IRIG-B002/B122 time sync signals ensure consistency across multiple modules
  • Flexible Expansion: Expandable to digital/analog I/O modules via the Inter-Module Bus

Application Scenarios

  • Offshore oil & gas platform control (salt spray environments)
  • Open-air chemical plant safety systems
  • High-dust power generation facilities
  • Emergency Shutdown (ESD) systems
  • Turbine and compressor control
  • Burner Management Systems (BMS)
  • Fire & Gas (F&G) systems

Performance Parameters

  • Fault Detection Speed: Hardware-level detection faster than software fault-tolerance solutions
  • Processing Speed: High-speed deterministic execution of safety logic
  • Communication Bandwidth: High-speed data exchange via internal bus and external networks
  • Environmental Tolerance: Operates reliably in corrosive and high-humidity atmospheres due to CCoat protection

Material Composition

  • Enclosure: Industrial-grade metal housing
  • Circuit Board: Conformal-coated multilayer PCB (full CCoat coverage)
  • Coating Material: Acrylic, polyurethane, or silicone conformal coating for environmental protection
  • Components: Extended-temperature-range industrial-grade processors and memory
  • Connectors: High-reliability gold-plated backplane and communication connectors

Structural Characteristics

  • Standard T8000 Chassis Slot: Designed for installation in T8100 controller chassis
  • Front-Panel Interface: Diagnostic port, LED status indicators, and module identification
  • Triple Backplane Connection: Three independent paths to the TMR Inter-Module Bus
  • Corrosion-Resistant Design: CCoat protection enables deployment in harsh industrial environments

Working Principle

Three independent PowerPC-based processors execute the safety application program in parallel. Each processor maintains its own memory and I/O image. The hardware voter continuously compares the three processor states and outputs. A single processor fault is detected and isolated within milliseconds, with the remaining two processors maintaining correct system operation. The conformal coating prevents moisture and contaminants from causing short circuits or corrosion on the PCB traces and components.

Installation Requirements

  • Install in a Trusted T8100 chassis with proper grounding
  • Ensure the control cabinet provides adequate ventilation
  • Connect redundant 24 VDC power supplies
  • Configure IRIG-B time synchronization if required
  • Establish communication links to external systems via RS422/485 or Ethernet

Operating Precautions

  • Monitor processor status LEDs for fault indication
  • Maintain all three processor channels for full TMR redundancy
  • The CCoat version is specifically selected for harsh environments; use standard T8110 for normal environments
  • Replace faulty modules using hot-swap procedures to minimize downtime
  • Perform periodic diagnostic checks via the RS232 port or engineering workstation
  • Verify time synchronization accuracy for proper SOE sequencing

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