
Product Description
Triconex 4201 Remote Extender Module Overview
The Triconex 4201 Remote Extender Module (RXM) enables long-distance I/O expansion for Tricon safety systems, extending input/output modules up to 12 kilometers from the main processor chassis using fiber optic communication. Engineered for critical process industries requiring distributed control architecture.
Technical Specifications
- Communication: Fiber optic interface, dual redundant links
- Distance: Up to 12 km (7.5 miles) extension capability
- Architecture: Triple Modular Redundant (TMR) fault-tolerant design
- Compatibility: Tricon v9 and later controller platforms
- Power: 24V DC, hot-swappable operation
- Operating Temp: 0°C to 60°C (32°F to 140°F)
- Certifications: SIL 3, IEC 61508, TÜV certified
Application Scenarios
Ideal for distributed safety systems in oil & gas facilities, chemical plants, power generation stations, and offshore platforms where I/O points are geographically separated from control rooms. Supports Emergency Shutdown (ESD), Fire & Gas (F&G), and Burner Management Systems (BMS).
Key Benefits & Solutions
Extended Reach: Eliminates the need for multiple controller chassis in large facilities by centralizing control logic while distributing I/O hardware close to field devices.
Fault Tolerance: TMR architecture ensures continuous operation even during single-point failures, maintaining SIL 3 safety integrity levels.
Reduced Wiring Costs: Fiber optic backbone significantly reduces copper cabling expenses and installation time in sprawling industrial sites.
Common Questions
Q: Can I mix 4201 modules with standard I/O in the same system?
A: Yes, the 4201 integrates seamlessly with local I/O modules on the main chassis while extending additional I/O remotely.
Q: What fiber optic cable type is required?
A: Multi-mode fiber (62.5/125 μm or 50/125 μm) with ST or SC connectors, depending on distance requirements.
Q: Does the module support hot-swapping?
A: Yes, the 4201 can be replaced without system shutdown, maintaining process continuity during maintenance.
Warranty & Support
All units include a 12-month manufacturer warranty covering defects in materials and workmanship. Technical support and configuration assistance available.
Related Products
| Product | Description | Link |
|---|---|---|
| Triconex 4354 | Communication Module for Modbus/TCP integration | View Product |
| Triconex 3625A | Digital Output Module, 32-channel TMR | View Product |
| Triconex DI3301 S2 | Digital Input Module for safety applications | View Product |
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