Ethernet/IP

Key Points

• Runs over standard Ethernet infrastructure
• Used for controller, device, and I/O interaction
• Common in factory and process automation networks
• Bridges standard Ethernet transport with industrial automation messaging
• Operates in manufacturing, machine automation, and process control systems

Definition

Ethernet/IP is an industrial network protocol that uses Ethernet infrastructure to carry automation communication between controllers, devices, and I/O systems.

Concept

Ethernet/IP bridges standard Ethernet networking and industrial automation by carrying control and device communication over Ethernet-based infrastructure in industrial environments. It connects controllers, drives, sensors, and I/O modules through a common network substrate, enabling machine automation and process control systems to operate over standard Ethernet transport.

Explainer

Ethernet/IP is an industrial communication protocol that runs over Ethernet infrastructure to exchange automation data between controllers, devices, and I/O systems. It works by using standard Ethernet framing and network connectivity to transport industrial messaging and device interaction across operational networks. It is deployed in factories, machine automation, process environments, and industrial control systems.

Key operational considerations include network design requirements, timing behavior constraints, device compatibility, and the need to separate operational traffic from general IT traffic where necessary. Failure modes include misconfiguration, device discovery issues, congestion, and communication loss between controllers and field devices.

Ethernet/IP provides significant value as a mechanism for carrying industrial communication over standard Ethernet networks, reducing the need for separate proprietary industrial networking infrastructure while maintaining operational effectiveness in manufacturing and process control environments.