WAGO Modular IO System INTERBUS S Manuel de service télécharger pdf (Page 158)

10 • Use in Hazardous Environments

Installation Regulations

WAGO-I/O-SYSTEM 750

Special conditions for safe use (ATEX Certificate DEKRA

11ATEX0203 X)

1. The components shall be installed in a suitable enclosure providing a degree

of protection of at least IP54 according to EN 60529, taking into account the

environmental conditions under which the equipment will be used.

2. When the temperature under rated conditions exceeds 70 °C at the cable or

conduit entry point, or 80 °C at the branching point of the conductors, the

temperature specification of the selected cable shall be in compliance with

the actual measured temperature values.

3. Provisions shall be made to prevent the rated voltages from being exceeded

by transient disturbances of more than 40 %.

4. Components may only be removed or inserted when the system supply and

the field supply are switched off, or when the location is known to be non-

hazardous.

5. Fieldbus connectors may only be disconnected or connected when the

system supply is switched oft, or when the location is known to be non-

hazardous.

6. The fuses, present in the system modules 750-6xx may only be replaced

when the supply is switched off, or when the location is known to be non-

hazardous.

7. Address selectors and ID switches may only be adjusted when the system

supply is switched off, or when the location is known to be non-hazardous.

8. The ambient temperature range is: 0°C ≤ T

≤ +55°C .

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WAGO Modular IO System INTERBUS S Manuel de service Page 158