Application Planning
4.3 Recycling and disposal
NCU 7x0.2
Manual, 02/2011, 6FC5397-0AP20-0BA0
33
4.2.2 Operating conditions
The components of the SINUMERIK 840D sl system are intended for a weatherproof, fixed
location. Operating conditions surpass EN 61131-2 requirements.
Table 4- 2 Ambient conditions for operation
Ambient conditions Application areas Remarks
Climatic environmental conditions
Climate class 3K3 According to EN 60721-3
Permissible ambient
temperature when
installed vertically
From 0° C to +55° C,
up to 2000 m above
sea level
As of an altitude of 2000 m, the max. ambient
temperature decreases by 7° C every 1000 m
increase in altitude.
Relative humidity From 5% to 90 %
Condensation, icing,
drip, spray and splash
water
Not allowed
Installation altitude Max. 4,000 m above sea level
Air pressure 620 hPa to 1060 hPa Corresponding height 4000 m - 0 m above sea level
Biological, chemical and mechanical influences, pollutants
Biological environmental conditions Class 3B1 according to EN 60 721-3-3;
Mold, mold growth, slime, rodents, termite and other
animal vermin are not permissible.
Chemically active environmental conditions Class 3C1 according to EN 60721-3-3
Mechanically active environmental conditions Class 3S1 according to EN 60721-3-3, conductive
dust not permitted
EMC conducted / radiation Class C3 according to EN 61800-3
Note
The user must consider radio interference for the complete system. Particular attention
should be paid to cabling. Please contact your sales representative for assistance and
support.
If compliance with limit value class C2 is required, please contact your local Siemens sales
partner.
4.3 Recycling and disposal
Products should be disposed of corresponding to the relevant national regulations.
The products described in this manual can be mostly recycled due to the fact that they
contain very few damaging substances. To recycle and dispose of your old device in an
environmentally friendly way, please contact an appropriate disposal company.