Description
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Product Overview
The Triconex 2354AS2 is a high-reliability Safety I/O Module from Schneider Electric’s Triconex safety instrumented system (SIS) portfolio. Designed for critical industrial applications, it employs Triple Modular Redundancy (TMR) architecture, where three independent channels process signals simultaneously to achieve fault tolerance and automatic diagnostics. This module meets SIL 3 safety standards (IEC 61508/61511), ensuring fail-safe operations in scenarios like emergency shutdowns (ESD), fire and gas detection (F&G), and turbomachinery control (TMC). The Triconex 2354AS2 integrates seamlessly with DCS/PLC networks via TriBus communication, providing millisecond-level response to prevent catastrophic failures in oil/gas, power generation, and chemical plants. Its modular design supports online maintenance, minimizing downtime while maximizing operational safety and system availability .
Technical Specifications
Parameter Name | Parameter Value |
---|---|
Product Model | 2354AS2 |
Manufacturer | Triconex (Schneider Electric) |
Product Type | Safety I/O Module |
Safety Certification | SIL 3 (IEC 61508/61511) |
Redundancy | Triple Modular Redundancy (TMR) |
Input/Output | 16 configurable digital I/O points |
Operating Voltage | 24 VDC ±10% |
Power Consumption | 5.2 W (typical) |
Operating Temperature | -40°C to +85°C |
Communication Interface | TriBus (1000 Mbps) |
Isolation | 2500 Vrms (channel-to-channel) |
Response Time | ≤10 ms |
Housing Protection | IP67 (dust/water resistance) |
Mounting | DIN rail or panel screw |
Key Features and Advantages
Fault Tolerance and Diagnostics:
The Triconex 2354AS2 uses TMR to mask single-point failures, with three processors voting on outputs. Continuous self-diagnostics detect sensor disconnections, signal drift, or hardware faults, achieving >99% diagnostic coverage. This reduces false trips and unplanned shutdowns .
Extreme Environment Resilience:
Rated for ISA S71.04 G3 corrosion resistance, it operates reliably in temperatures from -40°C to +85°C and 95% humidity. The aluminum alloy housing shields against electromagnetic interference (EMI), ideal for offshore platforms and chemical plants .
Seamless Integration:
Compatible with Foxboro Evo DCS via Unified Communication Modules (e.g., UCM #4610). Supports hot-swapping I/O modules or adding expansion units (e.g., AS2-FRE-G038-GAU filter-regulator) without system interruption .
Lifecycle Cost Efficiency:
Modular replacement takes <5 minutes. Coupled with AI-driven tools like Process Safety Advisor, predictive maintenance extends service intervals by 30% and cuts costs by 5% .
Application Areas
Oil & Gas:
In emergency shutdown systems (ESD), the Triconex 2354AS2 monitors pipeline pressure valves and gas sensors. Its rapid response triggers isolation protocols during overpressure events, preventing explosions in LNG facilities .
Power Generation:
Integrates into turbine control systems (TMC), safeguarding steam/gas turbines by tripping fuel valves during overspeed or temperature excursions. Also critical for boiler management (BMS) to avoid combustion hazards .
Chemical Processing:
In high-integrity pressure protection (HIPPS), it ensures batch reactors automatically vent excess pressure, while toxic gas detectors linked to ventilation systems mitigate leakage risks .
Related Products
- Triconex 3009 – High-speed processor; boosts 2354AS2 scan rates by 4.5× for ESD applications .
- Triconex 4610 – Unified Communication Module; enables Ethernet integration with DCS networks .
- AS2-FRE-G038-GAU – Filter-regulator combo; ensures clean air supply for pneumatic actuators paired with 2354AS2 .
- Triconex 5351 – Discrete input module; expands sensor connectivity in SIL 3 safety loops .
- MU1-FLS-G200-SSN – Pre-filter (60 μm); protects 2354AS2 from particulate damage .
Installation and Maintenance
Installation Preparation: Verify DIN rail alignment and grounding resistance (<1 Ω). Use shielded cables for I/O wiring to prevent EMI. Torque mounting screws to 0.4 N·m for secure contact .
Maintenance Recommendations: Run monthly diagnostics via Triconex Diagnostic Readersoftware to monitor channel variance. Replace backup batteries (e.g., BCL-01) every 2 years to prevent configuration loss. Isolate slots in maintenance mode before module replacement .
Product Assurance
The Triconex 2354AS2 includes a 1-year warranty with lifetime technical support. Non-destructive failures qualify for 72-hour global replacement. Comprehensive documentation (TÜV/SIL reports) and training are accessible through Schneider Electric’s safety portal .
HS:8443919090
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