ENG_162079.XML
Particularly harsh industrial environments demand products with special characteristics - products that are more rugged than standard products
Siemens offers the perfect answer to these requirements with SIPLUS extreme.
SIPLUS product variants are based on the SITOP, LOGO!Power standard power supplies and the power supplies for SIMATIC S7 and expansion modules, and feature the following characteristics:
• Extended ambient temperature range (e.g. -40 … +70 °C) and conformal coating as protection against extreme and difficult conditions and exposure to environmental substances
There are also SIPLUS Rail variants that meet the special requirements of the railroad industry:
• EN 50155: conforms with standard for electronic equipment used on rolling stock (EN 50155).
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Ambient conditions
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Conformal coating
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Coating of the printed circuit boards and the electronic components
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Technical specifications
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The technical data of the standard product applies except for the ambient conditions.
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Relative humidity
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100%, condensation/frost permissible. No commissioning in bedewed state.
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Biologically active substances, compliance with EN 60721-3-3
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Class 3B2 mold and fungal spores (excluding fauna). The supplied plug covers must remain in place over the unused interfaces during operation!
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Chemically active substances, compliance with EN 60721-3-3
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Class 3C4 incl. salt spray acc. to EN 60068-2-52 (severity 3). The supplied plug covers must remain in place over the unused interfaces during operation!
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Mechanically active substances, compliance with EN 60721-3-3
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Class 3S4 incl. sand, dust. The supplied plug covers must remain in place over the unused interfaces during operation!
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Air pressure (depending on the highest positive temperature range specified)
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1080 ... 795 hPa (-1000 … +2000 m)
see ambient temperature range
795 ... 658 hPa (+2000 ... +3500 m)
derating 10 K
658 … 540 hPa (+3500 … +5000 m)
derating 20 K
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For further technical specifications, see the standard products, or visit http://www.siemens.com/siplus-extreme
