ICS Triplex T8451 Trusted TMR 24 VDC 40‑Channel Digital Output 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
   • Hazardous Area Certifications: ATEX II 2G Ex ia IIC T4 Ga; IECEx IECEx Ex ia IIC T4 Ga
2. Safety & Compliance
   • Safety Certification: TÜV Certified IEC 61508 SIL 3; UL 61010‑1; CSA C22.2 No. 61010‑1; CE marked
   • Fault Tolerance: Fully triplicated TMR with 2oo3 voting; no single point of failure
   • Mean Time Between Failures (MTBF): 1,100,000 hours (per Telcordia SR‑332, 25°C)
   • Voting Logic: 2oo3 majority voting for output drive signals; automatic fault masking
   • Safety State: Configurable fail‑safe state (de‑energized or energized) per channel
   • Diagnostics: Continuous line monitoring for open/short circuits; stuck output detection; power group fault alerts

Functional Features

1. 40 TMR Output Channels: High‑density 24 VDC outputs for large‑scale SIS actuation.
2. 5 Independent Power Groups: Isolates 8 channels per group to prevent cross‑group fault propagation.
3. TMR 2oo3 Voting: Eliminates single points of failure via triplicated drive circuits and majority voting.
4. 2500 VDC Isolation: Protects backplane and channels from field transients/ground loops.
5. SmartSlot Hot Swap: Module replacement without system shutdown for minimal downtime.
6. 0.5 ms Update Time: Rapid output response for time‑critical safety shutdowns.
7. 1 ms SOE Reporting: Captures output state changes for audit trails and root‑cause analysis.
8. Electronic Short‑Circuit Protection: Latching protection per channel; no external fuses needed.
9. Line Monitoring: Real‑time open/short circuit detection for field wiring faults.
10. Redundant Backplane Power: 20–32 VDC diode‑ORed supply for power fault immunity.
11. Configurable Fail‑Safe States: Per‑channel safe state (de‑energized/energized) for flexibility.
12. Hazardous Area Ready: ATEX/IECEx certifications for explosive atmosphere deployment.
13. Front‑Panel Diagnostics: Channel/group/power/fault LEDs enable rapid troubleshooting.
14. Wide Temperature Range: Operates from -40°C to +70°C for extreme industrial conditions.
15. 50 mA Minimum Load: Compatible with low‑current field devices (solenoids, small contactors).

Application Scenarios

1. Oil & Gas ESD Systems: Drives 40 ESD valves and shutdown contactors in zone 1 hazardous areas, with TMR voting for fault tolerance and 0.5 ms response for rapid isolation.
2. Chemical Plant Batch Control: Controls 40 process valves and heater contactors, using 5 power groups to isolate reaction zones and prevent cross‑process faults.
3. Power Generation Turbine Trip: Triggers 40 turbine lube oil valves and emergency stop contactors, with 1 ms SOE for post‑trip root‑cause analysis.
4. Marine Offshore Platforms: Operates 40 fire & gas alarms and lifeboat release mechanisms, with isolation to protect against saltwater‑induced ground loops.
5. Mining Conveyor Safety: Controls 40 conveyor emergency stops and brake contactors, with hot swap for remote maintenance in dusty, humid mines.
6. Pharmaceutical GMP Processes: Drives 40 cleanroom door interlocks and sterilization cycle valves, ensuring fail‑safe shutdown and compliance with FDA audit requirements.

Additional Information

• Origin: United States
• Warranty: 12‑month warranty for new original units; extended warranties via Rockwell Automation service contracts
• Compatibility: Trusted T8100 controller chassis, T8300 expander chassis, T8311 expander interface modules
• Installation: Tool‑less insertion into Trusted chassis; wire field devices to backplane connector; connect redundant 24 VDC backplane power
• Maintenance: Hot swap for replacement; inspect LEDs for channel/group status; no periodic calibration required (electronic protection self‑resets)
• Accessories: Trusted system software, field power distribution harnesses, backplane connector adapters, line monitoring test tools