ICS Triplex T8312 Trusted TMR Expander Interface Adapter Unit

Technical Specifications

  1. Mechanical Specifications
    • Form Factor: Metal enclosure, clips onto controller chassis rear connectors
    • Dimensions (H×W×D): 133 mm × 133 mm × 63 mm (5.24 in × 5.24 in × 2.48 in)
    • Weight: 0.65 kg (1.43 lbs)
    • Front Panel: Release button for quick disconnection; no status LEDs (diagnostics via controller module LEDs)
    • Mounting: Tool‑less clipping onto controller chassis rear double 96‑way connector assembly
    • Material: Shielded metal enclosure for EMC compliance; industrial‑grade PCB with conformal coating (T8312C variant)
    • Connectors: 96‑way C‑type (controller chassis); 12‑pin ODU (expander chassis, 4 for T8312/4, 7 for T8312/7)
  2. Electrical Specifications
    • Power Source: Passive, powered by controller chassis backplane
    • Power Consumption: < 5 W (minimal draw to avoid chassis power overload)
    • Communication Data Rate: Matches expander bus speed (250 Mbps) for seamless data transfer
    • Isolation: 1500 VDC between controller and expander connector paths
    • Redundancy: Supports TMR system redundancy via controller and expander module voting
    • Shielding: Full EMC shielding in metal enclosure to meet EN 61000‑6‑2/6‑4 compliance
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); CE, UL certified
    • Hazardous Area Certifications: ATEX, IECEx for use in hazardous locations
    • Protection Rating: IP20 (prevents finger contact with live parts)
  2. Safety & Compliance
    • Safety Certification: UL 61010‑1, CSA C22.2 No. 61010‑1; CE marked; T2V Certified IEC 61508 SIL 3
    • Fault Tolerance: TMR‑compatible; maintains 3‑2‑0 fault tolerance when paired with Trusted TMR modules
    • Mean Time Between Failures (MTBF): 1,000,000 hours (per Telcordia SR‑332, 25°C)
    • Chassis ID Support: Controller chassis ID = 1; expander chassis IDs = 2–8 (T8312/7), 2–5 (T8312/4); 9–15 via additional adapters

Functional Features

  1. Two Capacity Variants: T8312/4 (4 expanders) and T8312/7 (7 expanders) to match small‑to‑large system requirements.
  2. High‑Speed Expander Bus Compatibility: Operates at 250 Mbps to maintain fast data transfer between controller and expanders.
  3. Full EMC Shielding: Metal enclosure prevents electromagnetic interference for reliable communication.
  4. Passive Power Operation: Draws < 5 W from controller chassis backplane; no external power needed.
  5. Tool‑Less Mounting & Disconnection: Clips onto controller chassis rear with release button for hot maintenance.
  6. 1500 VDC Isolation: Prevents fault propagation between controller and expander chassis, preserving SIL 3 compliance.
  7. Chassis ID Configuration: Supports software‑based chassis ID setup (2–15) for scalable system expansion.
  8. ODU Connector Reliability: 12‑pin ODU connectors ensure secure, vibration‑resistant links to expander chassis.
  9. TMR System Integration: Maintains TMR fault tolerance when paired with Trusted T8311/T8311C expander interface modules.
  10. Hazardous Area Ready: ATEX/IECEx certifications enable deployment in explosive atmospheres.
  11. Quick Diagnostics: Integrates with Trusted system software for remote monitoring of adapter and chassis status.

Application Scenarios

  1. Large‑Scale Oil & Gas Refineries: T8312/7 connects 7 expander chassis to controller chassis for ESD, F&G, and BMS systems, scaling I/O for distributed sensor/actuator networks with SIL 3 compliance.
  2. Chemical & Petrochemical Plants: T8312/4 links 4 expander chassis for DCS‑integrated SIS, enabling hot maintenance and data integrity in corrosive or hazardous areas.
  3. Offshore Platforms: Used to connect controller chassis to remote expander chassis on rigs, with EMC shielding and hazardous area certifications ensuring reliable operation in salt spray and high‑vibration environments.
  4. Nuclear Power Plants: T8312/7 supports up to 7 expander chassis for auxiliary safety systems, maintaining TMR fault tolerance and regulatory compliance for critical sensor/actuator networks.
  5. Mining & Heavy Industry: T8312/4 expands I/O for underground mine safety systems, connecting surface controllers to remote I/O in high‑dust, high‑vibration conditions with passive power operation eliminating external power risks.
  6. Pharmaceutical Manufacturing: T8312/4 scales I/O for batch control SIS in clean rooms, ensuring fault‑tolerant data transfer between controllers and process instruments for compliance logging.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended warranties via Rockwell Automation service contracts
  • Compatibility: Trusted controller chassis, T8300 expander chassis, T8311/T8311C expander interface modules
  • Installation: Clip onto controller chassis rear double 96‑way connector assembly; connect expander chassis via 12‑pin ODU cables
  • Maintenance: Use release button for hot disconnection; inspect connectors for corrosion/damage; no on‑board configuration needed
  • Accessories: 12‑pin ODU cables, adapter spares, and Trusted system software for chassis ID setup
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