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FENA-21 ABB Ethernet Adapter Dual Port PROFINET EtherNet/IP Modbus TCP

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  • 12-month warranty for peace of mind.
SKU: FENA-21
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Product details

Product Overview FENA-21

  • ABB FENA-21 Ethernet Adapter Dual Port
    • Two-port Ethernet adapter for ABB drives and inverters
    • Supports three protocols in one module: PROFINET IO, EtherNet/IP, Modbus TCP
    • Protocol selection via single drive parameter – no hardware change
    • Part of FENA family (FENA-01/-11/-21 series)
  • Key benefit: One adapter works with any major industrial Ethernet network

Protocol Support FENA-21

  • PROFINET IO
    • Supports PROFINET IO DP-V1 communication
    • Works with PROFIdrive profile or ABB drive profile
    • Two transparent modes: 16-bit and 32-bit word formats
    • Dual-port design allows line topology (daisy-chaining)
  • EtherNet/IP
    • Functions as EtherNet/IP server
    • Supports ODVA AC/DC Drive profile
    • ABB drive profile and Transparent profile also available
    • Handles explicit messages (per attribute) and implicit messages (I/O instances)
  • Modbus TCP
    • Operates as Modbus TCP server
    • Supports ABB drive profile
    • Standard function codes: read/write single register, multiple registers
    • Easy integration with Modbus TCP networks

Technical Specifications

  • Product details
    • Brand: ABB · Type: Inverter Module
    • Accessory type: Ethernet Adapter Dual Port
    • Series: FENA-01/-11/-21
    • For use with: ABB converters and inverters
  • Hardware features
    • Two Ethernet ports for daisy-chaining or star topology
    • Integrated switch allows line topology without external switch
    • Protocol selected by parameter in drive – no dip switches
    • Compatible with multiple ABB drive series

Compatibility & Integration

  • Drive compatibility
    • Works with ABB ACS355, ACS380, ACS480, ACS580, ACS880 series
    • Compatible with older ABB drive models (check manual)
    • Mounts directly to drive option slot
  • Network integration
    • Single adapter covers three major industrial protocols
    • Reduce inventory – one part number for all networks
    • Simple parameter change for network type

Configuration & Setup

  • Protocol selection
    • Choose protocol via drive parameter (example: parameter 5101)
    • No hardware configuration or jumpers needed
    • Change protocol anytime without replacing module
  • Network settings
    • IP address set via drive, DHCP, or bootp
    • Dual ports act as switch for easy wiring
    • LED indicators for port status and network activity

Professional Profiles Supported

  • Drive profiles
    • ABB drive profile (common across all protocols)
    • PROFIdrive profile for PROFINET
    • ODVA AC/DC Drive profile for EtherNet/IP
    • Transparent profile for raw data transfer

Shipping & Contact

Typical Applications

  • Connecting ABB drives to PROFINET IO networks
  • Integrating ABB drives into Rockwell EtherNet/IP systems
  • Modbus TCP networks with ABB variable frequency drives
  • Multi-vendor plants needing protocol flexibility
  • Line topology installations using dual-port daisy-chaining
  • Reducing spare parts inventory – one module for all protocols

Professional FAQ (FENA-21)

  • Q: What is the difference between FENA-01, FENA-11, and FENA-21?
  • A: FENA-01 is single-port, FENA-11 is dual-port. FENA-21 is the latest dual-port version with extended protocol support and compatibility.
  • Q: Can I change the protocol after installation?
  • A: Yes, simply change one parameter in the drive. No need to replace module or change wiring. Very flexible for plant changes.
  • Q: Do I need an external switch for daisy-chaining drives?
  • A: No. The dual-port design has built-in switch. Connect first drive to PLC, then second drive to first drive, and so on.
  • Q: Which ABB drives work with FENA-21?
  • A: FENA-21 works with ACS355, ACS380, ACS480, ACS580, ACS880 and many others. Check drive manual for option slot compatibility.
  • Q: Does FENA-21 support EtherNet/IP implicit messaging?
  • A: Yes. It supports both explicit messages (per attribute) and implicit I/O messages with input/output instances.
  • Q: What warranty do you offer on FENA-21?
  • A: 12 months from shipment date covering manufacturing defects. Extended options available on request.
  • Q: Can I use this module with PROFINET and Modbus TCP simultaneously?
  • A: No, only one protocol active at a time. But you can switch protocols easily via parameter when needed.

  • Original Source
    • Copyright © 2026 Powergear X Automation Limited. All rights reserved.

Additional information

Weight0.323 kg
Dimensions81.3 × 50 × 63.5 mm
Country Of Origin

United States

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