Siemens SIMATIC HMI Operating Instructions Manual page 78

Planning Application
3.1 Installation instructions
Reduction of Vibration
If the Industrial USB Hub 4 is exposed to considerable impacts or vibration, take appropriate
measures to reduce the acceleration or the amplitude.
We recommend fixing the Industrial USB Hub 4 on vibration-damping materials, e. g. onto
rubber-bonded metal.
Testing for mechanical ambient conditions
The following table indicates the type and scope of tests for mechanical ambient conditions.
Tested for
Vibration
Impact
Climatic ambient conditions
The table below shows the climatic ambient conditions for the use of the
Industrial USB Hub 4.
Ambient conditions
Temperature
•
•
Relative humidity
Atmospheric pressure
Pollutant concentration
80
Test standard
Vibration test according to
IEC 60068, part 2–6
(sinusoidal)
Impact test in accordance
with IEC 60068, part 2 –29
Vertical mounting
Inclined mounting
Comments
Type of vibration:
Transitional rate of the frequency:
1 octave/minute.
10 ≤ f ≤ 58,
constant amplitude 0.075 mm
58 ≤ f ≤ 150,
constant acceleration 1 g
Vibration duration:
10 frequency cycles per axis (3 axes at 90
degree angles to each other)
Type of impact: Half-sine
Impact intensity:
peak value 5 g, duration 11 ms
Direction of impact:
3 impacts in ± direction of each axis (3 axes at
90 degree angle to each other)
Permitted range
0 to 50 °C
•
0 to 40 °C
•
10 to 90 %, no condensation
1.080 to 795 hPa
SO : < 0.5 ppm;
2
relative humidity < 60 %, no
condensation
H S: < 0.1 ppm;
2
relative humidity < 60 %, no
condensation
Comments
See the "Mounting Positions and Type
of Fixation" section
Corresponds to an altitude of –1000 m
to 2000 m
Check: 10 cm /m ; 10 days
3 3
Check: 1 cm /m ; 10 days
3 3
Operating Instructions, 09/2007, A5E00471973-02
Industrial USB Hub 4