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+86 18030182217
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Description
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Product Overview
The Triconex 5351 is a discrete input module integral to Triconex’s 5300 series Safety Instrumented Systems (SIS). It converts signals from field devices (e.g., relays, sensors) into SIS-compatible data for critical safety applications like fire/gas detection and emergency shutdown (ESD). Certified for SIL 3 per IEC 61508, it employs redundant design and self-diagnostics to ensure operational integrity in harsh environments (e.g., oil/gas, chemical plants). Its modular structure supports hot-swapping and real-time fault indication via LED status lights, minimizing system downtime and enhancing plant safety.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 5351 |
| Manufacturer | Triconex (Schneider Electric) |
| Product Type | Discrete Input Module |
| Input Signal | Relay Contacts, Transistor Inputs |
| Channels | 16 or 32 (configurable) |
| Input Voltage | 24 VDC or 120 VAC |
| Input Impedance | 100 kΩ |
| Isolation | 2500 Vrms |
| Safety Certification | SIL 3 (IEC 61508) |
| Response Time | ≤1 ms (for digital variants) |
| Operating Temperature | -40°C to +85°C (industrial range) |
| Mounting | DIN Rail or Panel Mount |
Key Features and Advantages
Redundancy and Fault Tolerance:
The Triconex 5351 uses parallel channel redundancy, allowing continuous operation even if one channel fails. Self-diagnostics detect anomalies (e.g., signal drift, sensor disconnection) and trigger alerts via front-panel LEDs, reducing false trips and maintenance time.
Environmental Robustness:
Designed for extreme conditions, it withstands high EMI, humidity, and corrosive atmospheres. The IP67-rated enclosure ensures reliability in offshore platforms or chemical plants.
Integration Flexibility:
Compatible with DCS/PLC networks via TriBus communication, enabling seamless data exchange with systems like Foxboro Evo. Supports online module replacement without system shutdown.
Application Areas
Oil, Gas & Chemical:
Deployed in emergency shutdown systems (ESD) to monitor pipeline pressure valves and gas leakage sensors. Its millisecond response prevents explosions by triggering isolation protocols during overpressure events.
Power Generation:
Integrates into turbine control systems (e.g., boiler management) to oversee temperature/rotation sensors, initiating automatic trip logic to protect equipment from mechanical failure.
Industrial Safety:
Core to fire/gas detection systems, linking smoke/gas sensors to ventilation controls for rapid hazard containment in refineries or manufacturing plants.
Related Products
- Triconex 5301: Digital input module for 120/240 VAC signals; 8/16 channels; SIL 3 certified. Ideal for high-voltage safety loops.
- Triconex 2354AS2: Safety I/O module with TMR architecture; complements 5351 in SIS redundancy schemes.
- Triconex 3009: High-speed processor module; enhances 5351 data throughput via 1000 Mbps TriBus.
- Triconex 4610: Unified Communication Module (UCM); interfaces 5351 with Ethernet-based DCS.
Installation and Maintenance
Installation Preparation: Verify DIN rail compatibility and grounding resistance (<1 Ω). Use shielded cables to prevent EMI interference. Secure modules with torque-limited screws (0.4 N·m) to avoid overstress.
Maintenance Recommendations: Monthly diagnostics via Triconex Diagnostic Reader software to check channel variance. Replace backup batteries (e.g., BCL-01) biannually to prevent configuration loss. Isolate slots in maintenance mode before module replacement.
Product Assurance
The Triconex 5351 includes a 1-year warranty with lifetime technical support. Non-destructive failures are covered by global 72-hour replacement services. Compliance documents (TUV/SIL reports) accessible via Schneider’s safety portal.
HS:8443919090
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