Ethernet/Ip (Ethernet/Industrial Protocol); General - WAGO -I/O-SYSTEM 750 XTR Manual

WAGO-I/O-SYSTEM 750 XTR
750-352/040-000 FC ETHERNET G3 XTR
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11.3

EtherNet/IP (Ethernet/Industrial Protocol)

11.3.1

General

EtherNet/IP stands for Ethernet Industrial Protocol and defines an open industry
standard that extends the classic Ethernet with an industrial protocol. This
standard was jointly developed by ControlNet International (CI) and the Open
DeviceNet Vendor Association (ODVA) with the help of the Industrial Ethernet
Association (IEA).
This communication system enables devices to exchange time-critical application
data in an industrial environment. The spectrum of devices ranges from simple
I/O devices (e.g., sensors) through to complex controllers (e.g., robots).
EtherNet/IP is based on the TCP/IP protocol family and consequently uses the
bottom 4 layers of the OSI layer model in unaltered form so that all standard
Ethernet communication modules such as PC interface cards, cables,
connectors, hubs and switches can also be used with EtherNet/IP.
Positioned above the transport layer is the encapsulation protocol, which enables
use of the Control & Information Protocol (CIP) on TCP/IP and UDP/IP.
CIP, as a major network independent standard, is already used with ControlNet
and DeviceNet. Therefore, converting from one of these protocols to EtherNet/IP
is easy to do. Data exchange takes place with the help of an object model.
In this way, ControlNet, DeviceNet and EtherNet/IP have the same application
protocol and can therefore jointly use device profiles and object libraries. These
objects enable plug-and-play interoperability between complex devices of
different manufacturers.
Fieldbus Communication 187
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Manual