Technical Specifications and Fiber Optic Extension
The Triconex 4211 remote extender module (RXM) belongs to the Triconex TMR safety instrumented systems family . This module extends the I/O bus between the main Tricon controller and remote chassis using single-mode fiber optic technology . It ensures deterministic data transmission over long distances for critical industrial applications . The module features ST-type fiber connectors and supports a maximum cable length of 12 kilometers . It provides complete ground loop isolation between distributed locations to maintain signal integrity .
| Parameter | Specification |
|---|---|
| Manufacturer | Triconex (Schneider Electric / Invensys) |
| Model Number | 4211 |
| Product Type | Remote Extender Module (RXM) |
| Architecture | Triple Modular Redundancy (TMR) |
| Communication Medium | Single-mode fiber optic |
| Max Cable Length | 12 km (7.5 miles) |
| Connector Type | ST-type fiber connectors |
| Data Rate | 2.5 Mbps synchronous serial |
| Power Supply | 24V DC (18-32V DC range) |
| Power Consumption | ≤30W typical |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W x H x D) | 264 x 290 x 102 mm (10.40 x 11.40 x 4.00 in) |
| Weight | 3.0 kg (6.6 lbs) |
| Humidity Tolerance | Up to 95% non-condensing |
| Mounting | DIN rail or panel mount |
| Diagnostic LEDs | PASS, FAIL, ACTIVE, TX, RX1, RX2, RX3 |
| Supported Protocols | Modbus TCP/IP, Triconex proprietary protocol |
| I/O Expansion | Supports up to 32 I/O modules per remote chassis |
| Remote Chassis Support | Up to 3 remote sites |
| Safety Certification | SIL 3 (IEC 61508, IEC 61511) |
| Hot Swap Support | Yes |
Functional Capabilities and TMR Architecture
The 4211 module utilizes single-mode fiber to deliver high-speed communication between the main controller and remote I/O locations . It supports TMR architecture, ensuring continuous operation even if individual components experience failure . The module also enables hot swapping for online module replacement without interrupting production . Furthermore, its built-in self-diagnostics monitor hardware status and signal integrity in real time . The diagnostic LEDs provide quick visual feedback for troubleshooting and maintenance .
Application Scenarios
This remote extender module suits distributed I/O architectures in oil and gas refineries, chemical plants, and offshore platforms . It allows field instrumentation to be isolated from control rooms in hazardous or electrically noisy environments . The Triconex 4211 integrates with Triconex 3008 main processors and works with T8311 extension interface modules for complete remote chassis connectivity . Many facilities rely on this module to maintain and extend their Triconex-based safety instrumented systems across large process areas.
Details
| Weight | 2.85 kg |
|---|---|
| Dimensions | 41.2 × 17.8 × 6.2 mm |
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