ICS Triplex T8805 Trusted 60‑Channel 24 VDC Non‑Incendive Digital Input Field Termination Assembly

1. Electrical Specifications
   • Input Type: 60 discrete 24 VDC sinking inputs (compatible with PNP/NPN field devices)
   • Input Voltage: 18–32 VDC (operational); 24 VDC nominal
   • Input Current: 6.1 mA per channel (on‑state); < 100 µA (off‑state)
   • Power Supply: 24 VDC redundant field power (2 independent feeds); 12 W maximum power consumption
   • Isolation: 2500 VDC galvanic between channels, backplane, and field power groups
   • Response Time: < 1 ms for input state changes (compatible with 1 ms SOE)
   • Protection: Per‑group 2 A fast‑acting fuses; reverse polarity protection on field power inputs
   • Line Monitoring: Real‑time open/short circuit detection for field wiring faults
   • Non‑Incendive Rating: Limited power output for non‑incendive field wiring (ATEX/IECEx compliant)
2. 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 (with external barriers)
3. Safety & Compliance
   • Safety Certification: TÜV Certified IEC 61508 SIL 3 (when paired with T8400 modules); UL 61010‑1; CSA C22.2 No. 61010‑1; CE marked
   • Fault Tolerance: 6 isolated power groups prevent cross‑group fault propagation; per‑group fuse protection
   • Mean Time Between Failures (MTBF): 1,500,000 hours (per Telcordia SR‑332, 25°C)
   • SOE Reporting: 1 ms resolution for input state changes (paired with T8400 modules)
   • Diagnostic Coverage: 99% for field wiring faults (open/short circuit detection)
   • Safety State: Configurable fail‑safe state (de‑energized) per channel via T8400 module settings
   • Non‑Incendive Rating: Class I, Division 2; Zone 2 (per NEC/IECEX)

Functional Features

1. 60 Non‑Incendive Digital Input Channels: 24 VDC inputs for SIS signal acquisition in hazardous locations.
2. 6 Independent Fused Power Groups: Isolates 10 channels per group to prevent cross‑group fault propagation.
3. IP65 Cast‑Aluminum Enclosure: Protects against dust, water, and corrosion in harsh field environments.
4. 2500 VDC Isolation: Protects backplane and channels from field transients/ground loops.
5. SmartSlot Compatibility: Works with Trusted T8400 modules for hot swap capability.
6. 1 ms SOE Reporting: Captures input state changes for audit trails and root‑cause analysis (paired with T8400 modules).
7. Non‑Incendive Power Distribution: Supplies limited power to field devices for hazardous location compliance.
8. Per‑Group Fuse Protection: 2 A fast‑acting fuses for field power fault immunity.
9. Line Monitoring: Real‑time open/short circuit detection for field wiring faults.
10. Redundant Field Power: 2 independent 24 VDC feeds for power fault tolerance.
11. Front‑Panel Diagnostics: Channel/group/power/fault LEDs enable rapid troubleshooting.
12. Reverse Polarity Protection: Prevents damage from incorrect field power wiring.
13. Hazardous Area Ready: ATEX/IECEx certifications for explosive atmosphere deployment (with barriers).
14. Wide Temperature Range: Operates from -40°C to +70°C for extreme industrial conditions.
15. Seamless Trusted Integration: Works with T8400‑series input modules for TMR signal processing.
16. Spring Clamp Terminals: 26–12 AWG (0.2–2.5 mm²) wire compatibility for secure field connections.

Application Scenarios

1. Oil & Gas ESD Systems: Terminates 60 emergency shutdown limit switches and pressure sensors, with non‑incendive power for Zone 2 hazardous areas.
2. Chemical Plant Safety Interlocks: Interfaces 60 safety gate switches and temperature trip sensors, using 6 power groups to isolate reaction zones.
3. Marine Offshore Platforms: Connects 60 fire & gas detectors and emergency stop buttons, with IP65 enclosure resisting saltwater corrosion.
4. Power Generation Turbine Protection: Terminates 60 turbine vibration sensors and lube oil level switches, with 1 ms SOE for post‑trip analysis.
5. Refinery Process Monitoring: Connects 60 valve position switches and flow trip sensors, using line monitoring to detect open/short circuits in corrosive environments.
6. Mining Surface Facilities: Interfaces 60 conveyor emergency stops and dust suppression triggers, with redundant power ensuring operation during fluctuations.

Additional Information

• Origin: United States
• Warranty: 12‑month warranty for new original units; extended warranties via Rockwell Automation service contracts
• Compatibility: Trusted T8400‑series digital input modules, T8100 controller chassis, T8300 expander chassis, T8311 expander interface modules
• Installation: Wall/pipe‑mount FTA; wire field devices to spring clamp terminals; connect to T8400 module via backplane
• Maintenance: Replace fuses without system shutdown; inspect LEDs for channel/group status; no periodic calibration required
• Accessories: Trusted system software, field power distribution harnesses, backplane connector adapters, DIN rail mounting kits, external intrinsic safety barriers