ED Introduction
Ethernet IO Introduction
The Brainboxes Ethernet Remote I/O products are a range of Ethernet devices controlled by a host computer which provide digital communication functions using Input, Output and Relay lines. The ED product range has Input and Output lines which are capable of driving high current and high voltage loads and are specifically designed for use in industrial process control and automation environments.

The ED range is designed and built on-site with close collaboration between the hardware and software teams to deliver a product that is both user-friendly and has plenty of functionality.
Key Features
- High Current & Voltage Capability - Input and Output lines designed for industrial loads
- Multiple Communication Options - ASCII Protocol, Web Interface, and Boost.IO Manager
- Industrial Grade - Built for process control and automation environments
- Easy Configuration - Web-based interface and Windows application support
- Flexible Connectivity - DHCP or Static IP addressing with automatic crossover detection
Related Guides
- ED Hardware Features — LED indicators, connectors, and wiring
- ED Analogue Hardware Features — analogue-specific hardware details
- ED Modbus Worked Example — step-by-step Modbus TCP tutorial
- ED Programming Guides — control I/O via web interface, C++, Python, and more
- ASCII Protocol Command Reference — full list of ASCII TCP commands
- ED Modbus Data Formats — Modbus register tables and data types
- What is Modbus? — conceptual overview of the Modbus protocol