Siemens Simatic M7-400 Bedienungsanleitung Seite 42

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General Technical Specifications
1-14
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
1.4 Mechanical and Ambient Climatic Conditions for
Operating the S7-400/M7-400
Operating Conditions
The S7-400/M7-400 is designed for weather-protected use as a permanent
installation. The S7-400/M7-400 fulfills the requirements for use in accordance with
IEC 60721-3-3:
Class 3M3 (mechanical requirements)
Class 3K3 (ambient climatic conditions)
Use with Additional Measures
The S7-400/M7-400, for example, must not be used without taking additional
measures:
In locations exposed to a high degree of ionizing radiation
In hostile environments caused, for instance, by
Dust accumulation
Corrosive vapors or gases
Strong electric or magnetic fields
In installations requiring special monitoring, for example
Elevators
Electrical installations in particularly hazardous areas
An additional measure might be, for instance, installation of the S7-400/M7-400 in
a cabinet or in a housing.
Ambient Mechanical Conditions
The ambient mechanical conditions for S7-400/M7-400 modules are listed in the
following table in the form of sinusoidal oscillations.
Table 1-10 Mechanical Conditions
Frequency Range in Hz
Test Values
10 f < 58 0.075 mm amplitude
58 f < 500 1 g constant acceleration
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