ICS TRIPLEX T8451 Digital Input Module
- Product Code: T8451
- Availability: In Stock
ICS TRIPLEX T8451 Digital Input Module
Part Number: T8451C | Safety Integrity Level (SIL) 3 Certified Input Module
Product Overview
The ICS TRIPLEX T8451 is a high-integrity, redundant digital input module designed for safety-critical industrial control applications. As part of the TRIPLEX TMR (Triple Modular Redundant) system, it provides reliable, fault-tolerant digital signal acquisition for emergency shutdown (ESD), fire & gas, and process safety systems (PSS).
Certified to IEC 61508 SIL 3 and TÜV Rheinland standards, this module ensures maximum availability and safety in harsh industrial environments, making it ideal for oil & gas, petrochemical, and power generation applications.
Key Specifications
- Number of Channels: 16 isolated digital inputs (24 VDC)
- Input Voltage Range: 18-30 VDC (nominal 24 VDC)
- Input Type: Dry contact / sinking/sourcing (configurable)
- Response Time: < 1ms (typical)
- Redundancy: TMR (Triple Modular Redundant) architecture
- Operating Voltage: 24 VDC ±10% (power supply)
- Operating Temperature: -40°C to +70°C
- Isolation: Channel-to-channel (500 VAC), Channel-to-backplane (1500 VAC)
- Certifications: IEC 61508 SIL 3, TÜV, ATEX, IECEx, UL 1998
- Dimensions: 127mm × 102mm × 38mm (L×W×H)
- MTBF (Mean Time Between Failures): > 1,000,000 hours
Main Features
Compliant with IEC 61508 SIL 3 for safety-critical applications, minimizing risk of system failure.
Triple modular redundancy provides fault tolerance and eliminates single points of failure.
99%+ diagnostic coverage with real-time self-testing for predictive maintenance and fault detection.
Operates in extreme temperatures and harsh industrial conditions with high shock/vibration resistance.
Typical Applications
The T8451C module is specifically engineered for safety-critical industrial applications: