ICS Triplex T8311 Trusted TMR Expander Interface Module

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
   • Protection Rating: IP20 front panel (prevents finger contact with live parts)
2. Safety & Compliance
   • Safety Certification: UL 61010‑1, CSA C22.2 No. 61010‑1; CE marked
   • SIL Compliance: T2V Certified IEC 61508 SIL 3 when used with Trusted SIS components
   • Fault Tolerance: HIFT TMR with majority voting (3‑2‑0 operation); no single‑point failures
   • Mean Time Between Failures (MTBF): 500,000 hours (per Telcordia SR‑332, 25°C)

Functional Features

1. HIFT TMR Architecture: Three parallel processing channels with majority voting (3‑2‑0) eliminate single points of failure, ensuring continuous operation during module/channel faults.
2. 250 Mbps High‑Speed Communication: Expander bus enables fast, reliable data transfer between controller and expander chassis.
3. Hot Standby & Module Sparing: Supports automatic or manual repair strategies without system shutdown, maximizing uptime.
4. Dual Redundant Power: 20–32 VDC backplane supply with dual redundancy prevents power‑related failures.
5. Front‑Panel Diagnostics: LEDs for health, active/standby, and data activity enable rapid fault identification and troubleshooting.
6. 1500 VDC Isolation: Channel‑to‑channel and channel‑to‑chassis isolation preserves SIL 3 compliance and prevents fault propagation.
7. T8300 Chassis Compatibility: Plug‑in design for T8300 expander chassis simplifies I/O expansion for large‑scale systems.
8. No On‑Board Configuration: Module requires no manual setup, reducing deployment time.
9. Hot Replacement: Supports module swapping without system shutdown for minimal maintenance downtime.
10. Trusted System Integration: Seamlessly pairs with Trusted controllers and I/O modules to scale SIS while maintaining safety integrity.

Application Scenarios

1. Safety Instrumented Systems (SIS): Deployed in oil & gas and chemical plants to expand I/O for ESD, F&G, and BMS systems, connecting controller chassis to T8300 expanders with SIL 3 compliance.
2. Refineries & Petrochemical Facilities: Extends I/O for DCS‑integrated SIS, enabling hot standby maintenance and high‑speed data transfer without process interruption.
3. Nuclear Power Auxiliary Systems: Used in nuclear plant safety systems to expand I/O for sensor/actuator networks, with TMR fault tolerance meeting regulatory compliance for critical operations.
4. Marine & Offshore Platforms: Mounted on offshore rigs to connect vessel control systems to remote I/O, withstanding extreme temperatures/vibration while preserving data integrity.
5. Pharmaceutical Manufacturing: Scales I/O for batch control SIS in clean rooms, ensuring fault‑tolerant data transfer between controllers and process instruments for compliance logging.
6. Mining & Heavy Industry: Expands I/O for underground mine safety systems, providing reliable communication between surface controllers and remote I/O in high‑dust, high‑vibration environments.

Additional Information

• Origin: United States
• Warranty: 12‑month warranty for new original units; extended warranties via Rockwell Automation service contracts
• Compatibility: T8300 expander chassis, Trusted controller chassis, Trusted I/O modules
• Installation: Insert into single slot of T8300 expander chassis; no external cabling required
• Maintenance: Hot standby/module sparing allows replacement without shutdown; inspect LEDs for fault monitoring
• Accessories: T8300 expander chassis, module spares, and diagnostic tools available