ICS Triplex T8402 Trusted Dual 60‑Channel 24 VDC Digital Input Module

Technical Specifications

  1. Mechanical Specifications
    • Form Factor: Trusted chassis‑mounted module (fits standard Trusted controller/expander chassis)
    • Dimensions (H×W×D): 241 mm × 51 mm × 181 mm (9.5 in × 2.0 in × 7.1 in)
    • Weight: 0.22 kg (0.49 lb)
    • Front Panel: 60 channel status LEDs (green = active), power LED (green), fault LED (red), hot swap release lever
    • Mounting: Tool‑less insertion into Trusted chassis slots
    • Material: Industrial‑grade PCB with conformal coating; metal shielded enclosure for EMC compliance
    • Connectors: 96‑way C‑type backplane connector; dual 24 VDC redundant power inputs
  2. Electrical Specifications
    • Input Voltage: 20–32 VDC (24 VDC nominal); input voltage range: 0–40 VDC (overvoltage tolerance)
    • Input Current: 2 mA per channel (active state); 0.1 mA per channel (inactive state)
    • Power Supply: 24 VDC redundant backplane supply (diode‑ORed)
    • Power Consumption: < 5 W (max)
    • Isolation: 2500 VDC optical/galvanic isolation between channels and backplane
    • Filtering: Configurable 50/60 Hz digital filtering (adjustable via Trusted software)
    • Response Time: < 10 ms (filter off); 20 ms (50 Hz filter); 24 ms (60 Hz filter)
    • Overvoltage Protection: Up to 40 VDC per channel; reverse polarity protection (-32 VDC to +40 VDC)
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: TÜV Certified IEC 61508 SIL 3; UL 61010‑1; CSA C22.2 No. 61010‑1; CE marked
    • Fault Tolerance: Dual‑channel design maintains TMR 3‑2‑0 fault tolerance when paired with Trusted TMR controllers
    • Mean Time Between Failures (MTBF): 1,200,000 hours (per Telcordia SR‑332, 25°C)
    • Diagnostics: Real‑time channel status monitoring, open/short circuit detection, power fault alerts via system software

Functional Features

  1. 60 Dual Channels: 30 pairs of digital inputs for high‑density field device monitoring, reducing chassis slot count.
  2. 24 VDC Input Flexibility: 20–32 VDC operating range with 0–40 VDC overvoltage tolerance for harsh industrial environments.
  3. 2500 VDC Isolation: Prevents fault propagation between channels and backplane, preserving SIL 3 compliance.
  4. Configurable Filtering: 50/60 Hz digital filtering eliminates noise from AC‑powered field devices.
  5. Hot Swappable: SmartSlot technology enables module replacement without system shutdown, minimizing downtime.
  6. Dual Redundant Power: Diode‑ORed 24 VDC backplane supply eliminates power‑related single points of failure.
  7. Front‑Panel Diagnostics: Channel status, power, and fault LEDs enable rapid troubleshooting.
  8. TMR System Integration: Maintains TMR fault tolerance when paired with Trusted controller/expander modules.
  9. Hazardous Area Ready: ATEX/IECEx certifications for deployment in explosive atmospheres.
  10. Open/Short Circuit Detection: Real‑time alerts for channel faults via Trusted system software.
  11. Wide Temperature Range: Operates from -40°C to +70°C for extreme industrial conditions.

Application Scenarios

  1. Oil & Gas Refineries: Monitors 60 ESD valve limit switches, pressure/temperature switches, and F&G detectors with dual channels for SIL 3 SIS compliance.
  2. Chemical Plants: Acquires digital signals from batch process sensors, emergency stop buttons, and interlock switches in high‑density production lines.
  3. Power Generation Facilities: Monitors turbine vibration switches, generator breaker status, and auxiliary equipment interlocks in high‑EMI environments.
  4. Offshore Platforms: Collects data from subsea wellhead sensors, fire suppression system triggers, and lifeboat release switches with isolation against salt spray and EMI.
  5. Pharmaceutical Manufacturing: Monitors cleanroom door interlocks, pressure differential switches, and equipment run/stop signals for GMP‑compliant batch control.
  6. Mining Operations: Tracks conveyor belt emergency stops, pump statuses, and gas detector alarms in underground mines with hot swap capability for remote maintenance.

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, T8312 adapters
  • Installation: Tool‑less insertion into Trusted chassis slots; wire field devices to 96‑way C‑type backplane connector
  • Maintenance: Hot swap for replacement; use front‑panel LEDs and system software for diagnostics; inspect connectors for corrosion/damage
  • Accessories: Trusted system software, backplane connector cables, and replacement LED indicator kits
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