Cooling - Siemens SINUMERIK 840D sl Manual

Ambient climatic conditions
Relative humidity
Oil mist, salt mist, ice formation, con‐
densation, dripping water, spraying
water, splashing water and water jets
Biological, chemical, electrical and mechanical influences, pollutants
Biological environmental conditions
Chemically active environmental con‐
ditions
Mechanically active environmental
conditions
Classification of the mechanical
environment
Vibration test in operation
Shock test in operation
Degree of contamination
EMC conducted / radiation
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.
Note
In a residential environment, this product can cause high-frequency interference, which may
make interference suppression measures necessary.
Have the installation and commissioning with appropriate radio interference suppression
measures performed by qualified personnel.
7.3.3

Cooling

To calculate the heat dissipation, the total power loss P
in a housing must be taken into account.
Total power loss P
Operator panel front: OP 012
Manual, 05/2019, A5E36371591B AB
Class 3B1 according to EN 60 721-3-3:
Mold, mold growth, slime, rodents, termites and other animal
vermin are not permissible.
Class 3C1 according to EN 60721‑3‑3
Class 3M1 according to EN 60721‑3‑3:
Conductive dust not permissible.
3M3 for components on the machine
3M1/3M2 for components in the control cabinet
According to IEC 60068-2-6 test Fc (sinusoidal)
● 10...57 Hz: 0.075 mm deflection amplitude
● 57...150 Hz: 1 g acceleration amplitude
● 10 frequency cycles per axis
According to IEC 60068-2-27 test Ea (half-sine)
● 5 g peak acceleration
● 30 ms duration
● 3 shocks in all three axes in both directions
2 (only use indoors)
Class C2 according to EN 61800-3
= P + P + P +... [W]
Vtotal V1 V2 V3
7.3 Ambient climatic and mechanical conditions
5 ... 95% (no condensation)
Not permitted
of all heat-generating components
Vtotal
Technical specifications
83