Application Planning
4.2 Climatic and mechanical environmental conditions
NCU 7x0.2
Manual, 02/2011, 6FC5397-0AP20-0BA0
31
● Signal cables may not be routed close to strong external magnetic fields (e.g., motors
and transformers).
● If signal lines cannot be routed a sufficient distance away from other cables, they must be
installed in grounded cable ducts (metal).
Note
For more specifications regarding interference suppression measures and connection of
shielded cables, see
References
Configuration Manual, EMC Guidelines
4.2 Climatic and mechanical environmental conditions
4.2.1 Shipping and storage conditions
The components of the SINUMERIK 840D sl system exceed the requirements according to
EN 61131-2 with regard to shipping and storage conditions.
The following conditions apply to modules that are shipped and stored in the original
packaging.
Table 4- 1 Ambient conditions during storage and transport
Type of condition Permissible range/class
Transport Long-term storage
Climate class 2K4 acc. to EN 60721-3-2 1K4 acc. to EN 60721-3-1
Temperature From -40° C to +70° C From -25° C to +55° C
Relative humidity From 5% to 95% From 10% to 100%
Height Max. 4,000 m above sea level
Air pressure 620 hPa to 1060 hPa (corresponding to 4000 m to 0 m above sea level)
Biological environmental
conditions
Class 2B1 acc. to EN 60721-3-2 Class 1B1 acc. to EN 60721-3-1
Chemically active
environmental conditions
Class 2C2 acc. to EN 60721-3-2 Class 1C2 acc. to EN 60721-3-1
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