BECKHOFF BK3xx0 - Manual (Page 90)

Notes on the Documentation
88 Fieldbus Components
8. Appendix
General Operating Conditions
The following conditions must be observed if the fieldbus components are to function without error.
Environmental conditions
Operation
The components may not be used without additional protection in the following locations:
•
in difficult environments, such as where there are corrosive vapors or gases, or high dust levels
•
in the presence of high levels of ionizing radiation
Condition Permissible range
Permissible ambient temperature range during operation 0°C ... +55°C
Permissible relative humidity during operation 95 %, no condensation
Installation position variable
Vibration resistance conforms to EN 60068-2-6
Shock resistance conforms to EN 60068-2-27, EN 60068-2-29
EMC resistance burst conforms to EN 61000-6-2
ESD emission conforms to EN 61000-6-4
Transport and storage
Condition Permissible range
Permissible ambient temperature range during storage -25 °C ... +85°C
Permissible relative humidity 95 %, no condensation
Free fall up to 1 m in the original packaging
Protection classes and types
Condition Permissible range
Protection class in accordance with IEC 536 (VDE
0106, Part 1) A protective conductor connection to the mounting rail
is necessary!
Protection class according to IEC 529 IP20 (protection against contact with a standard test
finger)
Protection against foreign objects Less than 12 mm in diameter
Protection against water No protection