Installing network components in cabinets
E.2 Installed in cabinet:
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
321
Outdoor installation
If you install the equipment outdoors, make sure that the additional enclosure is not
subjected to direct sunlight. This can lead to a considerable rise in temperature within the
enclosure.
Clearances
Make sure that there is adequate clearance around the component so that
● the convection cooling of the component is not restricted
● components do not cause neighboring components to heat up more than permitted
● there is enough space for installing cabling
● there is enough space to remove components for maintenance or repair.
Note
Regardless of the degree of protection of the casing, the electrical and optical ports are
always sensitive to
• mechanical damage
• damage caused by electrostatic contact discharge when touched
• contamination by dust and fluids
Close unused ports with the supplied dust protection caps. Remove these caps only
immediately before connecting up the cables to the ports.
Standards
EN 60529:1991 degrees of protection due to enclosure (IP code) (IEC 60529)
EN 60529:1989 Degrees of protection provided by enclosures (IP code)
Further references
Klingberg, G.; Mähling, W.:
Schaltschrank- und Gehäuse-Klimatisierung in der Praxis mit EMV;
Heidelberg 1998
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