General technical data
1.4 Mechanical and ambient climatic conditions for S7-300 operation
S7-300 Automation System Module data
1-8 Manual, 08/2006, A5E00105505-04
1.4 1.4 Mechanical and ambient climatic conditions for S7-300 operation
Operating conditions
S7-300 systems are designed for stationary use in weather-proof locations. The operating
conditions surpass requirements to DIN IEC 60721-3-3.
● Class 3M3 (mechanical requirements)
● Class 3K3 (climatic requirements)
Use with additional measures
The S7-300 may not be used under the conditions outlined below without taking additional
measures:
● at locations with a high degree of ionizing radiation
● in aggressive environments caused, for example, by
– the development of dust
– corrosive vapors or gases
– strong electric or magnetic fields
● in installations requiring special monitoring, for example
– elevators
– electrical plants in potentially hazardous areas
An additional measure could be an installation of the S7-300 in a cabinet or housing.
Mechanical environmental conditions
The table below shows the mechanical environmental conditions in the form of sinusoidal
oscillations.
Frequency band Continuous Infrequently
10 Hz ≤ f ≤ 58 Hz 0.0375 mm amplitude 0.75 mm amplitude
58 Hz ≤ f ≤ 150 Hz 0.5 g constant acceleration 1 g constant acceleration
Reducing vibrations
If your S7-300 modules are exposed to severe shock or vibration, take appropriate measures
to reduce acceleration or the amplitude.
We recommend the installation of the S7-300 on damping materials (for example, rubber-
bonded-to-metal mounting.)
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