Beckhoff BK9103

Beckhoff BK9103

Overview

The Beckhoff BK9103 is a Modbus TCP/IP bus coupler that connects Beckhoff EtherCAT Terminals (EL series) to Modbus TCP networks. It acts as a communication bridge between Modbus TCP masters and EtherCAT-based I/O modules, providing flexible integration for decentralized control systems. The DIN-rail mountable BK9103 is ideal for industrial environments requiring open network communication and modular I/O expansion.

Key Features

• Supports Modbus TCP/IP communication

• Interfaces with Beckhoff EtherCAT Terminals

• 2 × RJ45 Ethernet ports with switch functionality

• Automatic baud rate detection

• LED diagnostics for status and communication

• Supports up to 64 terminals

• Compact, modular design

• DIN-rail mounting for easy installation

Technical Specifications

• Part Number: BK9103

• Manufacturer: Beckhoff

• Protocol: Modbus TCP/IP

• Bus Interface: 2 × RJ45 Ethernet (10/100 Mbps)

• I/O Connection: Beckhoff EtherCAT Terminals

• Max Terminals: 64 (255 with power feed terminals)

• Mounting Type: DIN-rail

• Power Supply: 24 V DC

• Operating Temperature: –25 °C to +60 °C

• Protection Class: IP20

• Dimensions: 64 mm × 100 mm × 71 mm (W×H×D)

Applications

• Industrial communication gateways

• PLC and SCADA system integration

• Decentralized I/O systems with Modbus TCP

• Building automation with open protocols

• Machine control using Beckhoff EL terminals

Why Choose the BK9103

• Seamless Modbus TCP to EtherCAT integration

• Modular expansion with Beckhoff I/O

• Reliable and compact DIN-rail solution

• Fast setup with diagnostic LEDs

• Suitable for harsh industrial environments

Order Now

The Beckhoff BK9103 Modbus TCP bus coupler is available and ships worldwide.

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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply