Triconex 4211 Remote Extender Module RXM

Triconex 4211 Remote Extender Module - Fiber Optic I/O Extension for Safety Systems

The Triconex 4211 Remote Extender Module (RXM) delivers reliable long-distance I/O bus extension for Tricon safety systems using single-mode fiber optic technology. Engineered for critical process industries, this module enables secure communication over extended distances while maintaining electrical isolation and signal integrity.

Technical Specifications

• Communication Medium: Single-mode fiber optic cable
• Maximum Distance: Up to 2 km (1.24 miles) between chassis
• Data Rate: 2.5 Mbps synchronous serial transmission
• Isolation: Complete ground loop isolation between locations
• Redundancy: Triple Modular Redundant (TMR) architecture
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Power Consumption: 5W typical per module
• Mounting: Standard Tricon chassis slot installation

Application Scenarios

The 4211 RXM excels in environments requiring distributed I/O architecture across hazardous or electrically noisy areas. Deploy this module in refineries where field instrumentation must be isolated from control rooms, chemical plants with multiple process units, offshore platforms requiring separation between living quarters and process areas, or power generation facilities with distributed turbine monitoring systems.

System Integration Solutions

Seamlessly integrates with existing Triconex safety controllers and I/O modules. The 4211 works in conjunction with Triconex 4201 RXM modules for complete remote chassis connectivity. Pair with Triconex 3625A Digital Output Modules and Triconex 3706 Thermocouple Input Modules in remote chassis for comprehensive distributed control architectures.

Common Technical Questions

Q: Can the 4211 support multi-mode fiber?
A: No, the 4211 is designed exclusively for single-mode fiber optic cable to achieve maximum transmission distance and signal quality.

Q: How many RXM pairs can be used in one system?
A: Up to 14 remote chassis can be connected to a main Tricon controller using multiple RXM pairs, subject to system scan time requirements.

Q: Does the module require special configuration?
A: Configuration is performed through TriStation software. The module auto-detects connected I/O and requires minimal setup beyond fiber connection verification.

Q: What fiber connector types are supported?
A: The 4211 uses ST-type fiber optic connectors for both transmit and receive channels.

Warranty & Support

Every Triconex 4211 Remote Extender Module includes a comprehensive 12-month warranty covering manufacturing defects and performance issues. Our technical support team provides installation guidance, troubleshooting assistance, and system integration consulting to ensure optimal deployment in your safety-critical applications.

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