ICS Triplex T8451C - Digital-Signal-Acquire/Fault-Diagnosis-Monitor - Hot-Swap Overvoltage Protection Compact Industrial I/O Module
The T8451C (ICS Triplex / Rockwell) is a Trusted TMR DO module featuring 40 channels × 24V DC @ 2A, organized in 5 × 8 channel power groups with TMR 2oo3 voting and SIL 3 / TÜV certification. This hot-swappable module drives ESD valves, trip relays, solenoids, and F&G devices in Safety Instrumented Systems (SIS/ESD) for oil & gas, power generation, and chemical industries.
- Triple per-channel circuitry maintains safe output on single fault conditions
- 1 ms Sequence of Events (SOE) reporting for precise event tracking
- 2500 V isolation for enhanced safety and reliability
- Electronic latch protection on short circuits
- Hot-swap capability into Trusted rack (T8110B) - no system shutdown required for replacement
- Ideal for applications where availability + SIL 3 certification are both critical requirements
| Parameter | Specification |
|---|---|
| Model / Part Number | T8451C (Alt. P/N: T8451) |
| Brand / Series | ICS Triplex / Trusted® 8000 Series |
| Product Type | 24 VDC Digital Output Module |
| Architecture / Redundancy | Triple Modular Redundant (TMR) with 2-out-of-3 voting |
| Output Channels | 40 independent, triplicated channels (5 groups x 8 channels) |
| Output Current | 2A per channel; 8A max per power group |
| Voltage Range | System: 20 to 32 VDC; Field: 18 to 32 VDC |
| Safety Certification | TÜV SIL 3 (IEC 61508) |
| Diagnostics & Reporting | Built-in Sequence of Events (SOE) reporting (1 ms resolution) |
| Operating Temperature | -40°C to +70°C (Standard: -5°C to +60°C) |
| Dimensions / Weight | 300 mm × 30 mm × 241 mm (L × W × H); 1.13 kg (2.5 lbs) |
Xiamen Zhicheng Automation Technology Co., Ltd. is a professional supplier of industrial automation products and solutions, dedicated to providing reliable, cost-effective, and high-performance products to customers worldwide.
With extensive experience in industrial automation and process control, we specialize in supplying a comprehensive range of automation components for industries such as oil & gas, power generation, petrochemical, water treatment, manufacturing, and industrial infrastructure.
- PLC Interface Modules
- I/O Systems and Interface Solutions
- Signal Isolators and Signal Converters
- Relays and Relay Modules
- Industrial Power Supply Units
- Control Valves and Actuators
- Industrial Pumps
- Process Instrumentation
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We are committed to helping customers improve operational efficiency, system reliability, and process performance through dependable automation products and professional support.
Whether you are an end user, system integrator, engineering contractor, or distributor, Xiamen Zhicheng Automation Technology Co., Ltd. is ready to become your trusted partner in industrial automation.
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