ICS Triplex T8314 Trusted Fibre Transmitter

Technical Specifications
Mechanical Specifications
Form Factor: Compact DIN rail‑mounted enclosure (compatible with 35 mm DIN rails)
Dimensions (H×W×D): 90 mm × 60 mm × 45 mm (3.54 in × 2.36 in × 1.77 in)
Weight: 0.5 kg (1.10 lb)
Front Panel: SC duplex connectors (1 TX, 1 RX); power LED (green = active); fault LED (red = power/link fault)
Mounting: Tool‑less DIN rail clamps for quick installation
Material: Metal enclosure with EMC shielding; industrial‑grade PCB with conformal coating
Connectors: 2× SC fiber (TX/RX); 2× screw terminals (dual power input); 2× screw terminals (copper expander bus I/O)
Electrical Specifications
Power Supply: Dual 18–32 VDC diode‑ORed redundant input (24 VDC nominal)
Power Consumption: < 1.7 W maximum
Communication Data Rate: 250 Mbps (matches Trusted Expander Bus speed)
Signal Conversion: Differential copper expander bus ↔ fiber optic (850 nm wavelength)
Transmission Distance: Up to 10 km (single‑mode fiber)
Isolation: 2500 VDC fiber‑to‑copper isolation; 1500 VDC channel‑to‑chassis
Redundancy: Dual power inputs with automatic failover; supports TMR system redundancy via bus protocol

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 II 2G Ex ia IIC T4 Ga; IECEx IECEx Ex ia IIC T4 Ga
  2. Safety & Compliance
    • Safety Certification: UL 61010‑1, CSA C22.2 No. 61010‑1; CE marked; T2V Certified IEC 61508 SIL 3
    • Fault Tolerance: Maintains TMR 3‑2‑0 fault tolerance when paired with Trusted T8311/T8311C modules
    • Mean Time Between Failures (MTBF): 1,500,000 hours (per Telcordia SR‑332, 25°C)
    • Fiber Compatibility: Single‑mode fiber (9/125 μm) with SC connectors; supports 10 km maximum link length

Functional Features

  1. 10 km Long‑Distance Expansion: Extends Trusted Expander Bus up to 10 km via single‑mode fiber for distributed I/O networks.
  2. 250 Mbps High‑Speed Conversion: Preserves expander bus speed for real‑time SIS data transfer.
  3. EMI/RFI Immunity: Fiber optic transmission eliminates noise from industrial EMI/RFI, ensuring data integrity.
  4. Dual Redundant Power: 18–32 VDC diode‑ORed inputs prevent power‑related failures.
  5. DIN Rail Mounting: Tool‑less installation on standard DIN rails for flexible placement in control cabinets.
  6. SC Duplex Connectors: Separate TX/RX ports ensure secure, vibration‑resistant fiber connections.
  7. 2500 VDC Isolation: Fiber‑to‑copper isolation prevents fault propagation between chassis.
  8. Hot Swappable: Supports module replacement without system shutdown for minimal maintenance downtime.
  9. Trusted System Integration: Works with T8311/T8311C expander interface modules and T8312 adapters to scale SIS.
  10. Hazardous Area Ready: ATEX/IECEx certifications enable deployment in explosive atmospheres.
  11. Front‑Panel Diagnostics: Power and fault LEDs enable rapid troubleshooting of link/power status.

Application Scenarios

  1. Offshore Oil & Gas Rigs: Links on‑platform controller chassis to remote subsea expander chassis (up to 10 km) for ESD/F&G systems, with fiber immunity to salt spray and EMI.
  2. Large Chemical Plants: Extends expander bus between main control rooms and remote process units, maintaining SIL 3 compliance for DCS‑integrated SIS.
  3. Power Generation Facilities: Connects turbine control chassis to remote boiler/auxiliary expander chassis (up to 10 km), ensuring noise‑free data transfer in high‑EMI environments.
  4. Pipeline Monitoring Systems: Links controller chassis to remote expander chassis along 10 km pipeline segments for leak detection and emergency shutdown, with fiber resisting lightning and ground loops.
  5. Mining Operations: Extends I/O from surface control rooms to underground expander chassis (up to 10 km), with DIN rail mounting and redundant power suitable for harsh mine environments.
  6. Metallurgical Plants: Connects smelter control chassis to remote rolling mill expander chassis, using fiber to avoid interference from heavy electrical equipment.

Additional Information

  • Origin: United States
  • Warranty: 12‑month warranty for new original units; extended warranties available via Rockwell Automation service contracts
  • Compatibility: Trusted controller chassis, T8300 expander chassis, T8311/T8311C expander interface modules, T8312 adapters
  • Installation: Mount on 35 mm DIN rail; connect fiber (SC TX/RX) and copper bus; wire dual 24 VDC power
  • Maintenance: Hot swap for replacement; inspect LEDs for power/link status; clean SC connectors with lint‑free wipes
  • Accessories: Single‑mode fiber optic cables (SC‑SC), DIN rail mounting clips, dual power supply harnesses
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