ICS TRIPLEX T9451 8‑Channel SIL 3 Digital Output Module



  • Product Code: T9451
  • Availability: In Stock
ICS TRIPLEX T9451 Digital Output Module
Manufacturer: ICS TRIPLEX (Rockwell Automation)
Model: T9451
Type: 8‑Channel SIL 3 Digital Output Module (SIS/TMR)
System: AADvance / Trusted TMR Safety System
1. Overview
The ICS TRIPLEX T9451 is a high‑reliability 8‑channel digital output module designed for safety‑instrumented systems (SIS) with SIL 3 compliance. It adopts Triple Modular Redundancy (TMR) architecture to provide fault‑tolerant output control for critical processes. It is widely used in oil & gas, chemical, power, and other industries requiring high safety and availability.
2. Technical Specifications
• Channels: 8 independent digital output channels
• Output Voltage: 24–32 V DC
• Output Current: 1 A per channel (max)
• Safety Level: SIL 3 (IEC 61508)
• Architecture: Triple Modular Redundancy (TMR)
• Diagnostics: Per‑channel voltage/current monitoring, short/open circuit detection
• Isolation: Channel‑to‑channel & field‑to‑logic isolation
• Operating Temp: 0 °C to +60 °C
• Power: 24 V DC backplane supply
• Dimensions (H×W×D): 170 × 42 × 120 mm; Weight: ~0.34 kg
3. Key Features
SIL 3 Safety: Certified for safety‑critical applications
TMR Redundancy: Three independent circuits for fault tolerance
8‑Channel Output: Drives valves, solenoids, motors, heaters
Comprehensive Diagnostics: Real‑time fault detection per channel
Hot‑Swap Capable: Online replacement without system shutdown
Industrial Ruggedness: Wide temperature range, high noise immunity
4. Applications
• Oil & Gas: ESD, valve control, burner management
• Chemical: Reactor interlocks, safety shutdown systems
• Power: Boiler/turbine safety logic, generator protection
• Process: Pharmaceutical, pulp & paper, water treatment
ICS TRIPLEX © T9451 Digital Output Module


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