FEN-31 3ABD68978955 ABB Profibus DP communication module High-speed communication
FEN-31 3ABD68978955 ABB Profibus DP communication module High-speed communication
The ABB FEN-31 is a high-performance Profibus DP communication module, specifically designed for the ABB Freelance Distributed Control System (DCS), and is an important component of the Freelance AC 800F controller platform. This module provides a standard Profibus DP interface, supporting efficient data exchange with various industrial devices. It is widely used in industrial automation scenarios such as power, chemical, water treatment, metallurgy and manufacturing, where strict requirements are imposed on system communication performance.
The FEN-31 adopts a modular design, supporting quick plugging and unplugging as well as on-site maintenance, significantly enhancing the efficiency of engineering deployment and system availability.
Product Overview: ABB FEN-31 (3ABD68978955)
| ABB Order Code | FEN-31 |
| Manufacturer Part Number | 3ABD68978955 |
| System Compatibility | ABB AC 800M controllers (PM86x series) in System 800xA |
| Module Type | Dual-Port Fiber Optic Ethernet Interface |
| Network Standard | 100BASE-FX over multimode fiber (MMF) |
| Maximum segment length | Up to 2 km (depending on fiber quality and transceivers) |
| Data Rate | Full-duplex 100 Mbps per port |
| Integrated Switch | Yes – supports daisy-chaining, linear topologies, and ring networks without external switches |
| Galvanic Isolation | Complete optical isolation between controller and network—no electrical connection |
| Redundancy Support | Fully compatible with redundant AC 800M CPU configurations and Media Redundancy Protocol (MRP) for fast ring recovery (<200 ms) |
| Power Consumption | ~2.2 W (supplied via S800 backplane) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, UL, CSA, IEC 61000-6-2/4 (EMC), IEC 61010 (safety), IEC 61850-3 (for substation environments) |
Product Images
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