Fault-Tolerant Control for Safety-Critical Actuator Applications
The Triconex 2651-100 digital output module provides high-performance, fault-tolerant control for digital actuators within the Triconex safety instrumented system . This robust module translates digital control signals from the Triconex controller into physical outputs, reliably driving critical field devices . It excels in applications requiring stringent safety measures and continuous, uninterrupted operation .
This output module features eight discrete channels, each delivering a 0 to 24 V DC output signal with a 2 A current capacity . The module’s fault-tolerant architecture ensures continued operation even if one or more components fail, and it supports redundant configurations for enhanced availability . This design is ideal for safety-critical applications like Emergency Shutdown (ESD) systems, Fire and Gas (F&G) systems, Burner Management Systems (BMS), and turbine control .
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Triconex |
| Model | 2651-100 |
| Product Category | Digital Output Module |
| Number of Channels | 8 |
| Output Voltage | 0 to 24 V DC |
| Output Current | 2 A per channel |
| Maximum Output Rate | Up to 100 kHz |
| Power Consumption | 25 W |
| Dimensions (W x H x D) | 203 mm x 79 mm x 41 mm |
| Weight | Approx. 1.0 kg |
| Operating Temperature | -40 °C to +85 °C |
| Isolation | Channel-to-channel isolation |
| Safety Integrity Level | SIL 3 (IEC 61508) |
The Triconex 2651-100 offers deterministic execution, ensuring consistent instruction order independent of processor load . Its comprehensive self-test function and factory calibration guarantee reliable operation and adherence to accuracy specifications . This module supports online module replacement, enabling maintenance without system shutdown . It meets SIL 3 requirements per IEC 61508 and holds certifications from FM, ATEX, and IECEx for hazardous locations .
Details
| Weight | 2.85 kg |
|---|---|
| Dimensions | 41.2 × 17.8 × 6.2 mm |
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