ICS TRIPLEX T8231 | TMR Ethernet Gateway Module

​Parameter ​Specification
​Product Model T8231
​Manufacturer ICS Triplex (Schneider Electric)
​Type TMR Ethernet Gateway Module
​Redundancy Triple Modular Redundant (TMR)
​Safety Certification IEC 61508 SIL 3, TÜV AK6
​Ethernet Ports 4× 10/100/1000BASE-T RJ45
​Protocols Supported Trusted TMR Bus, Modbus TCP, OPC UA, SNMP
​Data Integrity CRC-32, 2oo3 packet voting
​Latency <10 ms (process data), <100 ms (diagnostics)
​Power Supply 24 VDC ±10% (via Trusted backplane)
​Operating Temperature -40°C to +70°C
​MTTR <5 min (hot-swap replacement)
​Hazardous Approval ATEX/IECEx Ex nA IIC T4 Gc, Zone 2
​Certifications UL 61800-5-1, DNV-GL, CE, RoHS
​Dimensions 178 × 35 × 165 mm
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Description

Product Overview
The ​ICS Triplex T8231 is a high-integrity triple modular redundant (TMR) Ethernet gateway module for Schneider Electric’s Trusted® safety platform, engineered for deterministic communication between safety controllers and enterprise systems in critical processes. As a core component of the Trusted TMR architecture, this module provides SIL 3-certified data exchange (IEC 61508) with <10ms latency, supporting seamless integration between safety instrumented systems (SIS) and DCS/SCADA networks. The ​ICS Triplex T8231 implements triple-redundant packet processing with 2oo3 voting logic to prevent data corruption while enabling protocol translation between native Trusted protocols and industrial standards like Modbus TCP and OPC UA. Housed in a ruggedized conduction-cooled chassis rated for -40°C to +70°C operation, it withstands extreme vibration (5g @ 100 Hz) in offshore platforms, refineries, and power plants where network reliability directly impacts functional safety.

Technical Specifications

​Parameter ​Specification
​Product Model T8231
​Manufacturer ICS Triplex (Schneider Electric)
​Type TMR Ethernet Gateway Module
​Redundancy Triple Modular Redundant (TMR)
​Safety Certification IEC 61508 SIL 3, TÜV AK6
​Ethernet Ports 4× 10/100/1000BASE-T RJ45
​Protocols Supported Trusted TMR Bus, Modbus TCP, OPC UA, SNMP
​Data Integrity CRC-32, 2oo3 packet voting
​Latency <10 ms (process data), <100 ms (diagnostics)
​Power Supply 24 VDC ±10% (via Trusted backplane)
​Operating Temperature -40°C to +70°C
​MTTR <5 min (hot-swap replacement)
​Hazardous Approval ATEX/IECEx Ex nA IIC T4 Gc, Zone 2
​Certifications UL 61800-5-1, DNV-GL, CE, RoHS
​Dimensions 178 × 35 × 165 mm

Key Features & Advantages

Fault-Tolerant Networking

  • Simultaneous triple-channel packet processing eliminates single points of failure
  • Automatic re-transmission during network jitter (>95% packet delivery guarantee)
  • Port mirroring for real-time traffic analysis without impacting SIS operations

T8231

Cybersecurity Hardening

  • Hardware-enforced IEEE 802.1X device authentication
  • VLAN segmentation with role-based access control (RBAC)
  • Encrypted audit trails compliant with IEC 62443-3-3

Seamless System Integration

  • Native support for Trusted Toolbox™ configuration software
  • OPC UA Pub/Sub integration for historian/DCS data collection
  • Modbus TCP mapping for legacy PLC/SIS interoperability
  • SNMP v3 traps for enterprise network monitoring

Advanced Diagnostics

  • Per-port packet loss/error rate trending
  • Cross-channel discrepancy detection (<1 ms resolution)
  • Predictive health scoring based on thermal/voltage drift

Application Areas

  • ​Offshore Safety: ESD/F&G system integration on FPSOs (DNV GL compliant)
  • ​Refinery HIPPS: High-integrity communication for SIL 3 pressure protection valves
  • ​Power Generation: Grid stability coordination between turbine protections
  • ​Chemical Plants: Batch reactor safety interlocks with alarm management
  • ​LNG Trains: Cryogenic valve monitoring with -162°C environmental hardening
  • ​Mining: Methane safety system integration in underground conveyors

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