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TRICONEX AT-2701FX 843-000844-00 REVD – 100Base-FX Fiber Optic Communication Module for Tricon Safety Systems
Product Overview
The TRICONEX AT-2701FX 843-000844-00 REVD is a redundant fiber optic communication module designed to connect Tricon safety instrumented systems (SIS) to industrial Ethernet networks. It addresses the challenge of reliable data transmission in harsh industrial environments by converting electrical Ethernet signals to optical signals, eliminating electromagnetic interference (EMI) and extending communication distances beyond copper cable limitations. This module supports 100Base-FX protocol with SC duplex fiber connectors, enabling secure, high-speed data exchange between Tricon controllers and external systems like DCS, HMI, and asset management platforms. Its redundant design ensures continuous communication even during single-point failures, making it ideal for oil and gas, chemical, and power generation applications requiring uncompromised safety and availability.
Technical Specifications — AT-2701FX 843-000844-00 REVD
| Parameter | Value |
|---|---|
| Product Model | AT-2701FX 843-000844-00 REVD |
| Manufacturer | TRICONEX (Schneider Electric) |
| Product Type | 100Base-FX Fiber Optic Communication Module |
| Power | 5V DC (from Tricon backplane), 24VDC field power |
| Communication / Protocol | IEEE 802.3u 100Base-FX, Modbus TCP, OPC UA, TriStation 1131 |
| Operating Temperature | -40°C to 75°C (-40°F to 167°F) |
| Mounting | Tricon V9/V10/V11 Backplane |
| Dimensions (HxWxD) | 173mm x 117mm x 25mm |
| Weight | 0.4kg (0.88lbs) |
| Typical Interfaces | 2 x SC duplex fiber optic ports (100Base-FX), diagnostic port |
| Compliance | IEC 61508 SIL 3, TÜV certified, CE, UL 508, IEEE 802.3u |
TRICONEX AT-2701FX 843-000844-00 REVD
Key Features and Benefits — AT-2701FX 843-000844-00 REVD
- Redundant Fiber Optic Connectivity: Dual SC ports support ring or linear topologies, ensuring communication continuity during single fiber breaks or port failures.
- EMI/RFI Immunity: Optical signal transmission eliminates electromagnetic and radio frequency interference, critical for data integrity in high-noise industrial environments.
- Extended Distance Coverage: Supports multi-mode fiber distances up to 2km, surpassing copper cable limitations and enabling remote network connections.
- SIL 3 Certification: Meets the highest safety integrity level requirements for integration with safety instrumented systems in critical applications.
- Seamless Tricon Integration: Works with Tricon V9/V10/V11 systems, supporting TriStation configuration and diagnostic tools for simplified setup and maintenance.
Related Models
- AT-2700FX: PCI 2.1-compliant fiber optic module, compatible with earlier Tricon system versions.
- TCM-4200: Tricon Communication Module with dual Ethernet ports for copper-based network connections.
- EICM-4351: Enhanced Intelligent Communication Module with expanded protocol support including Modbus RTU and DNP3.
- AT-2701FX-843-000845-00: Higher temperature variant (-40°C to 85°C) for extreme environment deployment.
Installation and Maintenance — AT-2701FX 843-000844-00 REVD
- Install the module on a compatible Tricon backplane, ensuring proper alignment with mechanical keying to prevent incorrect insertion.
- Connect multi-mode fiber cables to SC duplex ports, observing polarity to ensure proper signal transmission.
- Configure network parameters (IP address, subnet mask, gateway) via TriStation 1131 software before commissioning.
- Perform periodic fiber optic link testing to verify signal strength and integrity, following manufacturer-recommended maintenance intervals.
- Store spare modules in a dry, temperature-controlled environment (-40°C to 85°C) to preserve operational readiness for replacement.
