Mechanical And Climatic Ambient Conditions - Siemens SIMATIC ET 200AL System Manual

Technical specifications

10.4 Mechanical and climatic ambient conditions

10.4 Mechanical and climatic ambient conditions
Operating conditions
The ET 200AL distributed I/O system is suitable for use in weather-proof, fixed locations.
The conditions of use exceed the requirements pursuant to IEC 60721-3-3:
● Class 3M3 (mechanical requirements)
● Class 3K3 (climatic requirements)
Mechanical ambient conditions
The following table shows the mechanical ambient conditions, listed in sinusoid vibrations.
Table 10- 7
Frequency band
5 Hz ≤ f ≤ 8 Hz
8 Hz ≤ f ≤ 150 Hz
Tests of mechanical ambient conditions
The following table shows the type and scope of the tests on mechanical ambient conditions.
Table 10- 8
Condition tested
Vibrations
Shock
88
Mechanical ambient conditions
Tests of mechanical ambient conditions
Test standard
Vibration test accord-
ing to IEC 60068-2-6.
Shock, tested accord-
ing to IEC 60068-2-27
Tested
15 mm amplitude
10g constant acceleration
Values
Type of oscillation: Frequency sweeps with a rate of
change of 1 octave/minute.
5 Hz to 9.1 Hz, constant amplitude 15 mm
9.1 Hz to 150 Hz, constant acceleration 10g
Duration of oscillation: 10 frequency sweeps per axis
at each of three vertically aligned axes
Type of shock: Half-sine
Shock intensity: 30g peak value, 18 ms duration
Direction of shock: 3 shocks each in ± direction in each
of the 3 axes vertical to one another
System Manual, 08/2019, A5E31861578-AG
Distributed I/O system