Ethernet and Ethernet/IP?

Ethernet :

Largely known for its 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.

RJ 45 resized 600
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. 

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