
Product Description
Triconex 4201RXM Remote Extender Module – Long-Distance TMR I/O Extension
The Triconex 4201RXM Remote Extender Module enables seamless extension of Triple Modular Redundant (TMR) I/O modules up to 3 kilometers from the main Tricon chassis, delivering robust ground loop isolation and distributed control capabilities for critical safety applications.
Technical Specifications
- Model: 4201RXM
- Type: Remote Extender Module (RXM)
- Extension Distance: Up to 3 km (1.86 miles) from main chassis
- Architecture: Triple Modular Redundant (TMR)
- Isolation: Ground loop isolation for noise immunity
- Communication: High-speed fiber optic link
- Compatibility: Tricon safety system platform
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Power Supply: 24V DC nominal
- Mounting: DIN rail or chassis mount
Key Applications & Use Cases
The 4201RXM is engineered for distributed safety architectures where I/O points are geographically separated from the main controller:
- Oil & Gas: Remote wellhead monitoring, offshore platform safety systems, pipeline control stations
- Chemical Processing: Distributed reactor control, hazardous area isolation, multi-unit plant coordination
- Power Generation: Turbine control extension, boiler safety systems, auxiliary equipment monitoring
- Manufacturing: Large facility automation, multi-building process control, hazardous zone separation
Solution Benefits
Ground Loop Isolation: Eliminates electrical noise and potential differences between remote locations, ensuring signal integrity and system reliability.
Extended Reach: Deploy I/O modules up to 3 km away without signal degradation, reducing wiring costs and enabling flexible system architecture.
TMR Integrity: Maintains full triple modular redundancy across extended distances, preserving SIL 3 safety integrity levels.
Simplified Installation: Fiber optic communication reduces copper cabling requirements and simplifies installation in electrically noisy environments.
Frequently Asked Questions
Q: Can the 4201RXM support multiple remote I/O racks?
A: Yes, the 4201RXM can extend communication to remote I/O chassis containing multiple Triconex I/O modules, maintaining full TMR voting and diagnostics.
Q: What fiber optic cable type is required?
A: The module supports standard multimode fiber optic cable (62.5/125 μm or 50/125 μm) with LC or ST connectors, depending on configuration.
Q: Is hot-swapping supported?
A: The 4201RXM supports online replacement when properly configured, minimizing system downtime during maintenance.
Q: How does this differ from the standard 4201 module?
A: The 4201RXM variant includes enhanced diagnostics and extended temperature range capabilities for demanding industrial environments.
Warranty & Support
All Triconex 4201RXM modules include a 12-month warranty covering manufacturing defects and workmanship. Technical support and integration assistance available.
Related Products
| Product | Description | Link |
|---|---|---|
| Triconex 4201 | Standard Remote Extender Module for I/O extension | View Product |
| Triconex 3706 | 32-Channel Thermocouple Input Module for temperature monitoring | View Product |
| Triconex 4354 | Communication Module for network integration | View Product |
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