Network Structure; Transmission Medium; Network Topology - WAGO I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
10.1.2

Network Structure

10.1.2.1

Transmission Medium

EtherCAT
Standard Ethernet cables (twisted pair cables), as well as transmission media
such as fiber optics and copper wire using switches or media converters, are
used. A combination of different media can also be used for individual sections.
The network flexibility is thus practically limitless.
The use of shielded cables (with S/UTP or S/STP shielding) is recommended
when used in an industrial environment (environments with interference). These
cables have a high immunity to interference due to double shielding consisting of
a copper wire mesh and an aluminum foil. The usual name for this type of cable
is Cat5e.
All EtherCAT
standard 100Base-TX (copper) to transmit data. The maximum cable length of
100 m specified for Ethernet 100Base-TX between two EtherCAT
thus supported. When using fiber optic cable, a distance of up to 2 km between
two fieldbus nodes can be achieved.
Thanks to the autocrossover function (Auto-MDI/MDI-X), which automatically
detects the send and receive data direction, crossed and/or non-crossed patch
cables can also be used.
Additional information about Ethernet
For more documents and information about Ethernet, please refer to the
IEEE Homepage:
10.1.2.2

Network Topology

The two RJ-45 interfaces in the EtherCAT
generation of diverse typologies.
In addition to the standard Ethernet star topology with switches, line, star, and
tree topologies can be constructed using EtherCAT
can also be combined without requiring additional switches.
The construction of a ring topology additionally offers the advantage of cable
redundancy as well as the ability to connect, disconnect, or exchange a fieldbus
node during operation.
From the point of view of EtherCAT
the selected topology the EtherCAT
decide this at will.

relies on standard Ethernet hardware according to IEC 8802-3.

devices are full-duplex-capable and use the Ethernet transmission
www.ieee.org
Fieldbus Communication 141

fieldbus coupler enable the

, and the various topologies

, it does not matter in which position within

fieldbus coupler is used. The user can

devices is
Manual
Version 1.2.1