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4 Installation / Preparation for start-up
Typically an EtherNet/IP™ network uses an active star topology in which groups of
devices are connected point-to-point to a switch. The benefit of a star topology is in its
support of both 10 Mbit/s and 100 Mbit/s products. Mixing 10 Mbit/s and 100 Mbit/s is
possible, and most Ethernet switches will negotiate the speed automatically.
For transmission according to the 100Base-TX Fast Ethernet standard, patch cables
in category STP CAT5e must be used (2 x 2 shielded twisted pair copper wire cables).
The cables are designed for bit rates of up to 100 Mbit/s. The transmission speed is
automatically detected by the measuring system and does not have to be set by
means of a switch. The screen is to be grounded only on one side.
For the transmission Full Duplex operation is to be used. It is recommended to use
switches with specific features to build an EtherNet/IP™ network:
●
for I/O communication:
–
–
–
–
●
other switch functions:
–
–
The EtherNet/IP™ Node-ID can be adjusted either by means of two rotary switches,
Flash configuration or DHCP request.
The cable length between two subscribers may be max. 100 m.
In order to ensure safe, fault-free operation,
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-
-
-
-
-
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In particular, the applicable EMC directive and the shielding and grounding directives
must be observed!
Printed in the Federal Republic of Germany
01/27/2022
Full Duplex capable, on all ports
IGMP-Snooping - limits multicast data traffic for the ports with associated IP
multicast group.
IGMP Query – Router (or Switch) with active IGMP function send queries
periodically, in order to experience, which IP-Multicast-Group-Members are
connected in the LAN.
Port Mirroring – permits reflecting the data traffic from a port to another port,
important for the fault diagnosis.
e.g. redundant current supply
remote diagnostics possibilities
ISO/IEC 11801, EN 50173 (European standard)
ISO/IEC 8802-3
IAONA Directive „Industrial Ethernet Planning and Installation"
http://www.iaona-eu.com
Rockwell Publication „EtherNet/IP™ Performance and Application Guide"
No.: ENET-AP001A-EN-P
Rockwell Publication „Ethernet/IP™ Media Planning and Installation Manual",
No.: ENET-IN001A-EN-P
Rockwell
Publication
Guidelines", No.: 1770-4.1EN
and other pertinent standards and directives must be complied with!
TR-ECE-BA-DGB-0102 v10
„Industrial
Automation
Wiring
and
Grounding
TR-Electronic GmbH 2013, All Rights Reserved
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