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What Are The Differences Between Ethernet and Ethernet/IP ?

Samuel Bouchard
by Samuel Bouchard. Last updated on May 05, 2016 4:26 PM
Posted on Aug 17, 2014 11:43 AM

The following article is written to clarify the confusion between Ethernet and Ethernet/IP. First, if you do not know what the link, network and application layers of the OSI model are, I suggest you read our earlier blogposts on communication protocol structure and on industrial protocols used in robotics.

RJ 45 resized 600

Ethernet :

Largely known for it's use in various LAN networking and its use for Internet applications, Ethernet is the link layer standardized by the 802.3 IEEE standard and used with many protocols. It includes a common physical interface composed of hubs, switches, routers, Ethernet cables (RJ-45) and Ethernet network cards (PCI). Standard Ethernet communications have a speed of 10, 100 or 1000 Mbit/s. Ethernet on optic fiber cabling is also available and offers greater speed & distance.

 

Ethernet/IP:
Ethernet IP resized 600

Ethernet/IP stands for Ethernet Industrial Protocol and is an application layer protocol. This communication protocol is designed for use in industrial environments for automation and process control. It is one of the existing Industrial Ethernet (IE) protocols. These protocols use the standard Ethernet link layer (i.e. cabling) and Internet Protocol (networking layer) coupled with a proprietary application layer protocol. 

In summary, Ethernet is the physical networking (link layer) protocol, while Ethernet/IP is an industrial communication protocol (application layer). The Industrial Ethernet family includes (amongst many): Ethernet/IP, EtherCat and Modbus TCP protocols. The Industrial Ethernet family uses the Ethernet link layer and cabling and networking components are often designed to sustain vibration, heat, dust, oil, electro-magnetic noise and other industrial conditions. 

 Industrial Communication Protocol Cheat Sheet Get it here

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Samuel Bouchard
Written by Samuel Bouchard
Samuel Bouchard is President of Robotiq, a fast growing robotics company based out of Quebec City, Canada, that he co-founded in 2008. He holds a Ph.D. in Mechanical Engineering and a bachelor in Engineering Physics from Laval University. He is also a regular speaker at international events on robotics technology and business.
Connect with the writer:
http://robotiq.com

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