Operating Conditions - Siemens SINUMERIK 840D sl Manual

Application Planning
3.2 Ambient Climatic and Mechanical Conditions
3.2.3

Operating Conditions

Climatic ambient conditions
If the specified values cannot be maintained, then a heat exchanger or air conditioner must
be provided.
Table 3-3
Temperature range
Temperature change
Humidity
Permissible change in relative
humidity
Moisture condensation and
ice formation
Dripping water, spray, splash
water, water jets
Supply air
Atmospheric pressure
Derating
Table 3-4
Vibration
to EN 60068-2-6
Shock resistance
to EN 60068-2-27
g
≈ 9.81 m/s
Function-impairing gases
Degree of severity 3C2 according to EN60721-3-3
Function-impairing dust
When working in areas where gases, dust and oils may be hazardous to functionality, the
controller must be operated in a control cabinet with a heat exchanger or with suitable supply
air.
Table 3-5
Suspended component
Deposits
26
Climatic environmental conditions to EN 60721-3-3, Class 3K5
0 ... 55°C
< 0.5 K/min (≙ 30 K/h) averaged over 5 min
Relative: 5 to 90% at 25 °C
Max. 0.1 % / min (≙ 6 % / h)
Not permissible
Not permissible
Without caustic gases, dusts and oils
106 to 92 kPa or 0 to 1,000 m above sea level
At altitudes over 1,000 to 4,000 m above sea level, the upper
temperature limit must be reduced by 3.5 °C/500 m.
Test limit values for mechanical environmental conditions during operation
Frequency band
Constant deflection
Acceleration amplitude
Acceleration
Duration of nominal shock
Number of nominal shocks
Shock form
(acceleration due to gravity)
2
Maximum permissible dust content in the air circulating in the control cabinet
Absolute: ≤ 25 g/m
10 ... 58 Hz
0.075 mm
58 ... 200 Hz: 1
g
5
30 ms
18 shocks
half-sine
0.2 mg/m
3
1.5 mg/m /h
2
Manual, 03/2010, 6FC5397-0AP10-3BA0
3
g
NCU