Triconex 4211 Remote Extender Module in stock

Triconex 4211 is the remote side Remote Extender Module (RXM) matching with 4210 primary module for Tricon triple modular redundant safety instrumented system. It receives tribus optical signals sent by 4210 and communicates with local remote I/O rack, realizing long-distance distributed I/O deployment for safety system.

This module adopts TMR triple voting fault-tolerant architecture and uses single-mode fiber with ST connectors for optical data transmission. It provides comprehensive link status diagnosis and supports online hot swap, widely used as spare replacement for petrochemical, power and chemical safety control cabinet maintenance and retrofit projects.

Data Parameters

• 1. Brand: Triconex.

• 2. Model: 4211.

• 3. Product Type: Remote Remote Extender Module (RXM).

• 4. System Architecture: Triple Modular Redundant (TMR).

• 5. Safety Level: IEC 61508 SIL3 certified.

• 6. Transmission Medium: Single-mode optical fiber, ST fiber connectors.

• 7. Max Transmission Distance: Up to 12 kilometers.

• 8. Operating Temperature: -20℃ ~ +60℃.

• 9. Feature: Support online hot swap replacement.

• 10. Compatible System: Tricon v9 / v10 TMR SIS safety rack system, paired with 4210.

Core Functions

• 1. Work in pair with 4210 primary RXM to realize long-distance extension of Tricon tribus I/O bus.

• 2. TMR triple channel optical data receiving and forwarding for remote I/O rack data interaction.

• 3. Built-in real-time link diagnosis to monitor fiber breakage and communication failure status.

• 4. Optical isolation design to eliminate ground loop interference and resist strong electromagnetic disturbance.

• 5. Support hot swap maintenance without interrupting the running safety instrumented system.

Application Scenarios

• 1. Oil & gas industry ESD emergency shutdown system spare parts replacement.

• 2. Chemical plant safety interlock system distributed remote I/O cabinet deployment.

• 3. Power plant boiler and turbine safety protection system long-distance rack extension renovation.

• 4. Petrochemical refining SIS safety instrumented system spare parts inventory.

• 5. Legacy Tricon TMR safety automation system remote fiber communication overhaul and renewal.

FAQ

• 1. Q: What is Triconex 4211?
      A: It is SIL3 remote side RXM module, used together with 4210 primary module for Tricon TMR SIS fiber I/O bus extension.

• 2. Q: What is the difference between 4210 and 4211?
      A: 4210 is installed in main controller rack, while 4211 is placed on remote I/O rack, they must be used as a matched pair.

• 3. Q: What safety standard does Triconex 4211 comply with?
      A: It meets IEC 61508 standard and obtains SIL3 safety certification for safety-critical industrial applications.