Siemens SIMATIC NET PROFIBUS Provozní pokyny stáhnout pdf (Strana 3)

SIMATIC NET PROFIBUS Optical Link Module OLM V4.0

Operating Instructions, 01/2013, C79000-G8976-C270-03

iii

Qualified Personnel

The product/system described in this documentation may be operated only by personnel qualified for the

specific task in accordance with the relevant documentation, in particular its warning notices and safety

instructions. Qualified personnel are those who, based on their training and experience, are capable of

identifying risks and avoiding potential hazards when working with these products/systems.

Proper use of Siemens products

Please note the following:

Warning

Siemens products may only be used for the applications described in the catalog and in the relevant technical

documentation. If products and components from other manufacturers are used, these must be recommended

or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and

maintenance are required to ensure that the products operate safely and without any problems. The

permissible ambient conditions must be complied with. The information in the relevant documentation must be

observed.

Note: If PROFIBUS OLMs are supplied via long 24 V supply lines or over networks, measures must be taken

to prevent interference by strong electro magnetic pulses on the supply lines. These can occur, for example,

due to lightning strikes or when heavy inductive loads are switched. The robustness of the PROFIBUS OLM

against electromagnetic interference was verified by the Surge Immunity Test according to EN61000-4-5. For

this test, overvoltage protection for the voltage supply lines is necessary. The Dehn Blitzductor VT AD 24V

Type no. 918402 or a comparable protection element is, for example, suitable. Manufacturer: DEHN+SÖHNE

GmbH+Co.KG Hans Dehn Str.1 Postfach 1640 D-92306 Neumarkt, Germany

Trademarks

All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this

publication may be trademarks whose use by third parties for their own purposes could violate the rights of the

owner.

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Siemens SIMATIC NET PROFIBUS Provozní pokyny Strana 3