ICS Triplex T8151C Trusted Communications Interface Module

Technical Specifications

  1. Electrical Specifications
    • Operating Voltage: 20–32 VDC (rated 24 VDC, supplied by T8100 chassis backplane)
    • Power Consumption: 25 W (excludes T8153 adapter power draw)
    • Communication Interfaces: 2×10/100BaseT Ethernet (copper, auto‑sensing), 4×RS422/485 (via T8153 adapter, configurable 2‑wire/4‑wire), 1×RS232 front‑panel diagnostic port
    • Ethernet Data Rate: 10/100 Mbit/s (auto‑negotiation)
    • Serial Port Baud Rate: 1.2–115.2 kbps (configurable per port)
    • Processor: Dedicated Motorola PowerPC (communication task offloading)
    • Memory: Flash (firmware), RAM (runtime data), EPROM (bootstrap)
    • Signal Isolation: Reinforced 1500 VDC isolation between communication circuits and chassis ground
    • Power Input Protection: Reverse polarity and overvoltage protection
  2. Mechanical Specifications
    • Form Factor: 3U Eurocard single‑width module
    • Mounting: Installs in any single‑width slot of T8100 controller/expander chassis
    • Dimensions (H×W×D): 241 mm × 30 mm × 300 mm (9.5 in × 1.2 in × 11.8 in)
    • Weight: 0.92 kg (2.03 lbs)
    • Indicators: Front‑panel LEDs for power, Ethernet link/activity, serial port activity, module fault, and system status
    • Companion Hardware: Requires T8153 rear‑mounted adapter for external serial/Ethernet connections
Category:
Description
  1. Environmental Specifications
    • Operating Temperature: -40°C to +70°C
    • Storage Temperature: -40°C to +85°C
    • Relative Humidity: 5%–95% (non‑condensing)
    • Shock Resistance: 30 g, 11 ms duration (per IEC 60068‑2‑27)
    • Vibration Resistance: 5 g, 10–150 Hz (per IEC 60068‑2‑6)
    • EMI/EMC Compliance: EN 61000‑6‑2 (immunity), EN 61000‑6‑4 (emissions)
  2. Software & Compliance
    • Safety Certification: IEC 61508 SIL 3 (TÜV certified)
    • Protocol Support: Modbus Slave (native), Modbus Master (optional with T812X adapter), SOE over Modbus, Modicon Open Modbus TCP (port 502), peer‑to‑peer (controller chassis only)
    • Firmware Upgrade: Field‑upgradable via front‑panel RS232 diagnostic port
    • Regulatory Compliance: CE, UL, RoHS certified
    • Software Compatibility: Trusted System Software V4.0+, Trusted Control Builder (IEC 61131‑3 compliant)

Functional Features

  1. Processor Load Offloading: Handles all external communication tasks independently to reduce TMR processor overhead and maintain safety function responsiveness.
  2. Dual Redundant Ethernet: Two 10/100BaseT ports enable redundant DCS/SCADA connections with auto‑sensing speed and failover capability.
  3. Multi‑Serial Flexibility: Four configurable RS422/485 ports (via T8153) support diverse serial devices and Modbus RTU links (1.2–115.2 kbps).
  4. Modbus Versatility: Native Modbus Slave, optional Modbus Master (T812X), and SOE over Modbus for precise event correlation and compliance logging.
  5. Front‑Panel Diagnostics: RS232 port allows local configuration, firmware upgrades, and fault troubleshooting without accessing the chassis backplane.
  6. System Event Logging: Built‑in backup log captures critical events for post‑fault analysis and regulatory compliance auditing.
  7. Seamless TMR Integration: Maintains 3‑2‑0 voting logic and SIL 3 compliance; peer‑to‑peer communication enabled in controller chassis configurations.
  8. Hot‑Swap Compatibility: Single‑width slot design and T8153 rear adapter enable quick replacement without system shutdown.
  9. Reinforced Isolation: 1500 VDC isolation ensures signal integrity and electrical safety in harsh industrial electromagnetic environments.

Application Scenarios

  1. Safety Instrumented Systems (SIS): Deployed in oil & gas, chemical, and petrochemical plants to connect TMR controllers to ESD, F&G, and BMS systems, enabling Modbus‑based fault signal sharing and SOE logging for SIL 3 compliance.
  2. Distributed Control Systems (DCS): Acts as a safety‑non‑safety network bridge in refineries and power generation facilities, routing TMR process data to DCS via redundant Ethernet while isolating safety functions.
  3. Critical Process Monitoring: Used in pharmaceutical and semiconductor manufacturing to provide SOE over Modbus for batch traceability and real‑time equipment diagnostics.
  4. Marine & Offshore Platforms: Integrates on‑board TMR systems with vessel DCS/SCADA, withstanding extreme temperatures, vibration, and corrosion while maintaining communication redundancy.
  5. Nuclear Power Auxiliary Systems: Connects safety systems to plant monitoring tools with redundant Ethernet and serial links, supporting fault forensics via time‑stamped event logs.
  6. Mining & Heavy Industry: Links TMR controllers to mine ventilation, conveyor control, and safety interlock systems, enabling remote monitoring and rapid fault response in remote, harsh mining environments.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended warranties available via Rockwell Automation service contracts
  • Compatibility: Fully compatible with T8100 chassis, T8110B/T8111 processors, T8153 rear adapter, and T812X interface adapters
  • Installation: Single‑width slot in T8100 controller/expander chassis; requires T8153 adapter for rear external connections
  • Maintenance: Hot‑swappable in redundant chassis; firmware upgrades via front‑panel RS232 port
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