Product Overview

The ABB FENA-21 (Part Number 3AUA0000089108) is a high-performance communication interface designed to bridge ABB industrial drives with Ethernet-based automation networks. This dual-port adapter acts as a critical gateway, allowing for the centralized control and monitoring of variable frequency drives (VFDs) via high-speed digital links. By installing the FENA-21, operators gain the ability to execute precise drive commands—including start/stop sequences, torque references, and PID adjustments—over a standardized network infrastructure.

Engineered for versatility, the FENA-21 supports multi-protocol communication, making it compatible with the world’s most prevalent industrial standards: PROFINET IO, EtherNet/IP, and Modbus/TCP. Its dual-port design facilitates various network topologies, including daisy-chaining (linear) and Ring (MRP) configurations, which reduces the need for external switches and simplifies cabinet wiring.

Technical Performance and Connectivity

The 3AUA0000089108 adapter is built for rapid data exchange, supporting transmission speeds of 10/100 Mbit/s with an integrated auto-negotiation feature. This ensures the module automatically adjusts to the network's maximum capability without manual intervention. Beyond basic control, the FENA-21 provides deep diagnostic access, enabling technicians to read drive parameters, track real-time operational values, and clear faults remotely, which significantly improves the Mean Time to Repair (MTTR).

Physically, the module is characterized by its ultra-compact footprint, allowing it to be mounted directly into the drive’s option slot without increasing the unit's exterior dimensions. This Swedish-engineered component is built to withstand the electromagnetic noise typically found in motor control centers, ensuring signal integrity remains uncompromised during high-frequency switching operations.

Technical Specifications

• Model Identification: FENA-21

• Ordering Code: 3AUA0000089108

• Interface Type: Dual-port Ethernet Adapter

• Supported Protocols: PROFINET IO, EtherNet/IP, Modbus/TCP

• Transfer Rates: 10/100 Mbit/s (Full/Half Duplex)

• Topology Support: Linear, Star, and Ring (MRP/DLR)

• Diagnostic Features: Remote fault reset, parameter monitoring, and drive status telemetry

• Physical Weight: 0.05 kg

• Module Dimensions: 6.2 x 6.5 x 2.4 cm

• Manufacturing Origin: Sweden

• HS Code: 8537101190

Compatible Drive Series

• ACS380: Machinery drives

• ACS580: General purpose drives

• ACS880: Industrial all-compatible drives

• ACH580: HVAC specific drives

• ACQ580: Water and wastewater drives