Beckhoff Interactive Automation Days


The ODVA organisation supports network technologies built on the Common Industrial Protocol (CIP) - DeviceNet, EtherNet/IP, CIP Sync and CIP Safety. CIP allows companies to integrate I/O control, device configuration and data collection across multiple networks. The result: minimal engineering and installation and a maximum return on investment.

ODVA, Inc.
Ann Arbor
Tel: +1 734 975 8840
Fax: +1 734 922 0027

EtherNet/IP Technical Overview
EtherNet/IP (Industrial Protocol) is the first open industrial Ethernet TCP/IP network with real-time control capabilities. A companion network to DeviceNet, EtherNet/IP uses the same proven, robust application-layer protocol as DeviceNet. Combined, both networks promote transparency from sensors to enterprise software. EtherNet/IP specs and information are available.

EtherNet/IP extends commercial off-the-shelf Ethernet to the Common Industrial Protocol (CIP) - the same upper-layer protocol and object model found in DeviceNet. CIP allows EtherNet/IP and DeviceNet product developers, system integrators and users to apply the same objects and profiles for plug-and-play interoperability among devices from multiple vendors and in multiple sub-nets. Combined, DeviceNet and EtherNet/IP promote transparency from sensors to the enterprise software.

EtherNet/IP was introduced in 2001 and today is the most developed, proven and complete industrial Ethernet network solution available for manufacturing automation. EtherNet/IP is a member of a family of networks that implements the Common Industrial Protocol (CIP) at its upper layers. CIP encompasses a comprehensive suite of messages and services for a variety of manufacturing automation applications, including control, safety, synchronization, motion, configuration and information. As a truly media-independent protocol that is supported by hundreds of vendors around the world, CIP provides users with an unified communication architecture throughout the manufacturing enterprise.

With media independence comes the ability to choose the CIP Network best suited for each application. One of these possible choices is EtherNet/IP, which adapts CIP to Ethernet Technology. Why adapt CIP to Ethernet? Ethernet - and the TCP/IP Suite to which it is inextricably linked, thanks to the ubiquitous adoption of Internet technology - is the same network technology used in the majority of local area network (LAN) and wide area network (WAN) architectures found in commercial and domestic applications around the world. These architectures connect computers to one another and to peripherals, link operations to the enterprise, or provide users with access to web-based applications.

Ethernet has an installed base numbering in the billions of nodes. By leveraging the economies of scale in this proven commercial technology, EtherNet/IP provides users with the tools to deploy standard Ethernet technology for manufacturing applications while enabling Internet and enterprise connectivity for data anytime, anywhere.

EtherNet/IP offers several unique advantages for manufacturing automation applications:

  • Complete producer-consumer services let you simultaneously control, configure and collect data from intelligent devices over a single network or use a single network as a backbone for multiple distributed CIP Networks
  • Compatible with standard Internet protocols - e.g., HTTP, FTP, SNMP, and DHCP - and standard industrial protocols for data access and exchange such as OPC
  • Compliance with IEEE Ethernet standards provides users with a choice of network interface speeds - e.g. 10, 100 Mbps and 1 Gbps - and a flexible network architecture compatible with commercially available Ethernet installation options including copper, fiber, fiber ring and wireless
  • Options for industrially rated devices incorporating IP67-rated connectors (RJ45 or M12) with module and network status LEDs with device labelling for ease of use


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