Ethernet/Ip; Physical Interface; General Information; Ethernet/Ip "Open Standard" Protocol - Scaime eNod4-F ETHERNET Software User Manual

6 ETHERNET/IP

When a configuration change occurs (change of Ethernet
parameters, set default params via eNodView or eNodTouch, change
of address « Name of product » after a reset with option « Use
rotary switch in product name ») eNod4 EtherNet/IP absolutely
must not be reset or power cycled within 10 seconds after send of
the change or reset. This could permanently damage the eNod. MS
!
LED blinks green cyclically when in this "damaged" state.
EtherNet/IP uses Ethernet layer network infrastructure. It is built on the TCP (Transmission Control Protocol) and IP
(Internet Protocol) protocols, but the "IP" in the name stands for "Industrial Protocol" and not an abbreviation for
"Internet Protocol". EtherNet/IP is supported by four independent networking organizations
•
ControlNet International (CI),
•
The Industrial Ethernet Organization (IEA),
•
The Open DeviceNet Vendor Association (ODVA),
•
The Industrial Automation Open Network Alliance (IAONA).

6.1 Physical interface

eNod4 is fitted with two EtherNet ports on RJ45 connectors that are galvanically isolated.
The Auto-Crossover function is supported. Due to this fact the signals RX and TX may be switched on ETH1 and ETH2
interfaces. Auto-negotiation of link parameters applies to 10/100Mbit and full/half duplex operation.
Because EtherNet/IP shares the same physical and data link layers of traditional IEEE 802.3 Ethernet, physical interface
remains fully compatible with already installed Ethernet infrastructure (cables, connectors, network interface cards,
hubs, and switches).
EtherNet/IP automatically benefits from all further technology enhancements such as Gigabit Ethernet and Wireless
technologies.
Tree, line or star network topologies are allowed by eNod4. Ring topology is also supported while Device Level Ring
(DLR) protocol is implemented (as eNod4 is not able to act as a ring supervisor, at least one active ring supervisor is
required on the DLR network).
Every eNod4 drives two Ethernet ports and has an internal switch and hub functions, respectively the different circuits
which are related to the special features of some Real-Time-Ethernet systems to build up a line or ring structure.

6.2 General information

6.2.1 EtherNet/IP "Open standard" protocol

EtherNet/IP shares the same lower four layers of the OSI model common to all Ethernet devices. This makes it fully
compatible with existing Ethernet hardware, such as cables, connectors, network interface cards, hubs, and switches.
The application layer protocol is the Control and Information Protocol (CIP™).
eNod4 is fitted with an Ethernet communication interface that supports protocols TCP (Transmission Control
Protocol), UDP (User Datagram Protocol) and IP (Internet Protocol). These protocols are used together and are the
main transport protocol for the internet. When CIP
encapsulated by TCP or UDP where additional information is attached and given to IP. IP then places the data in a
packet (or datagram) and transmits it on Ethernet network.
TM
information is sent using these protocols, the data is
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User manual SCAIME:
NU-Soft-eNod4F-ETH-E-0716_235709-C.doc