Siemens SIMATIC NET Betriebsanleitung PDF herunterladen (Seite 153)

Guidelines for Installing Networked Automation Systems in Buildings

7-5

SIMATIC NET Twisted-Pair and Fiber-Optic Networks

C79000-G8976-C125-02

7.3 Electromagnetic Compatibility of Bus Cables

Electromagnetic Compatibility (EMC)

Electromagnetic compatibility (EMC) is the capability of an electrical installation to

function satisfactorily in its electromagnetic environment without influencing this

environment and interfering with other installations and equipment belonging to it

(in compliance with DIN VDE 0870).

This mutual influence can take the form of electrical, magnetic, and

electromagnetic effects. These effects can spread both over cable connections (for

example a common power supply) or due to radiated interference.

To avoid external interference affecting electrical systems, these effects must be

reduced to a certain level. The measures involved include the design, structure,

and correct connection of bus cables. The components and bus cables for

SIMATIC NET Industrial Ethernet meet the requirements of the European

standards for devices used in an industrial environment. This is documented by the

CE marking.

Note

Adherence to the specified limit values can only be guaranteed when using

components from the SIMATIC NET Industrial Ethernet range exclusively and by

keeping to the installation instructions in this manual!

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Siemens SIMATIC NET Betriebsanleitung Seite 153