Introduction
1.2 On the product
SCALANCE X-100 media converter
Operating Instructions, 04/2016, C79000-G8976-C346-02
7
On the product
What is possible?
The media converters of the SCALANCE X-100 allow the cost-effective installation of
Industrial Ethernet linear (bus) and star structures with transitions from one media to
another.
The passive use of two identical SCALANCE X-100 media converters in series (cascaded)
within a redundant ring is possible. In this case, the media converters behave "like a section
of cable". A simple, passive coupling of two rings is also possible. See also "Coupling of
network segments (Page 14)".
Note
If devices are supplied over long 24 V power supply lines or networks, measures are
necessary to prevent interference by strong electromagnetic pulses on the supply lines.
These can result, for example, due to lightning or switching of large inductive load
One of the tests used to attest the immunity of these devices to electromagnetic interference
is the "surge immunity test" according to EN 61000
-4-5. This test requires overvoltage
protection for the power supply lines. A suitable device is, for exampl
BVT AVD 24 V type no. 918 422 or a comparable protective element.
DEHN+SÖHNE GmbH+Co.KG Hans Dehn Str.1 Postfach 1640 D
When used in hazardous environments corresponding to Class I, Division 2 or Class I,
Zone 2, the device must be installed in a cabinet or a suitable enclosure.
To comply with EU Directive 94/9 (ATEX95), this enclosure must meet the requirements of
at least IP54 in compliance with EN 60529.
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR
COMBUSTIBLE ATMOSPHERE IS PRESENT.
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