750-841 WAGO, 750-841 Datasheet - Page 187

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750-841

Manufacturer Part Number
750-841
Description
CONTR.ETHERNET TCP/IP 10/100MBIT
Manufacturer
WAGO
Datasheet

Specifications of 750-841

Rohs Compliant
YES
No. Of Digital Inputs
10
No. Of Digital Outputs
10
4.3 EtherNet/IP (Ethernet/Industrial Protocol)
4.3.1 General
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
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.
EtherNet/IP (Ethernet/Industrial Protocol)
Fieldbus Communication
• 179

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