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Beckhoff EP31 Series User Manual

Beckhoff EP31 Series
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Appendix
EP31xx 143Version: 2.4
5 Appendix
5.1 General operating conditions
Protection degrees (IP-Code)
The standard IEC 60529 (DIN EN 60529) defines the degrees of protection in different classes.
1. Number: dust protection and
touch guard
Definition
0 Non-protected
1 Protected against access to hazardous parts with the back of a hand. Protected against solid
foreign objects of Ø50mm
2 Protected against access to hazardous parts with a finger. Protected against solid foreign ob-
jects of Ø12.5mm.
3 Protected against access to hazardous parts with a tool. Protected against solid foreign objects
Ø2.5mm.
4 Protected against access to hazardous parts with a wire. Protected against solid foreign objects
Ø1mm.
5 Protected against access to hazardous parts with a wire. Dust-protected. Intrusion of dust is not
totally prevented, but dust shall not penetrate in a quantity to interfere with satisfactory operation
of the device or to impair safety.
6 Protected against access to hazardous parts with a wire. Dust-tight. No intrusion of dust.
2. Number: water* protection Definition
0 Non-protected
1 Protected against water drops
2 Protected against water drops when enclosure tilted up to 15°.
3 Protected against spraying water. Water sprayed at an angle up to 60° on either side of the ver-
tical shall have no harmful effects.
4 Protected against splashing water. Water splashed against the disclosure from any direction
shall have no harmful effects
5 Protected against water jets
6 Protected against powerful water jets
7 Protected against the effects of temporary immersion in water. Intrusion of water in quantities
causing harmful effects shall not be possible when the enclosure is temporarily immersed in wa-
ter for 30min. in 1m depth.
*) These protection classes define only protection against water!
Chemical Resistance
The Resistance relates to the Housing of the IP 67 modules and the used metal parts. In the table below you
will find some typical resistance.
Character Resistance
Steam at temperatures >100°C: not resistant
Sodium base liquor
(ph-Value > 12)
at room temperature: resistant
> 40°C: not resistant
Acetic acid not resistant
Argon (technical clean) resistant
Key
resistant: Lifetime several months
non inherently resistant: Lifetime several weeks
not resistant: Lifetime several hours resp. early decomposition

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Beckhoff EP31 Series Specifications

General IconGeneral
BrandBeckhoff
ModelEP31 Series
CategoryControl Unit
LanguageEnglish