EtherNet/IP

EtherNet/IP is an industrial network protocol that adapts the Common Industrial Protocol to standard Ethernet.[1] EtherNet/IP is one of the leading industrial protocols in the United States and is widely used in a range industries including factory, hybrid and process. The EtherNet/IP and CIP technologies are managed by ODVA, Inc., a global trade and standards development organization founded in 1995 with over 300 corporate members.

EtherNet/IP uses both of the most widely deployed collections of Ethernet standards –the Internet Protocol suite and IEEE 802 project – to define the features and functions for its transport, network, data link and physical layers. CIP uses its object-oriented design to provide EtherNet/IP with the services and device profiles needed for real-time control applications and to promote consistent implementation of automation functions across a diverse ecosystem of products. In addition, EtherNet/IP adapts key elements of Ethernet’s standard capabilities and services to the CIP object model framework, such as the User Datagram Protocol (UDP), which EtherNet/IP uses to transport I/O messages.

History

Development of EtherNet/IP began in the 1990s within a technical working group of ControlNet International, Ltd.(CI), another trade and standards development organization, In 2000, ODVA and CI formed a joint technology agreement (JTA) for the development of EtherNet/IP. In 2009, the JTA was terminated and EtherNet/IP became under the sole control of ODVA and its members. Today, EtherNet/IP is one of four networks that adapt CIP to an industrial network along with DeviceNet, ControlNet and CompoNet. All of these networks are managed by ODVA, Inc.

Technical Detail

EtherNet/IP classifies Ethernet nodes as predefined device types with specific behaviors. Among other things, this enables:

See also

References

  1. ↑ "EtherNet/IP™ – CIP on Ethernet Technology" (PDF). ODVA. Retrieved 6 July 2016.
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