General technical data
1.2 Electromagnetic Compatibility
S7-300 Automation System Module data
1-6 Manual, 08/2006, A5E00105505-04
Sinusoidal disturbance
The table below shows the EMC compatibility of S7-300 modules in areas subject to
sinusoidal disturbance.
Sinusoidal disturbance Test values corresponds with
degree of severity
RF radiation
(electromagnetic fields)
to IEC 61000-4-3
10 V/m, with 80% amplitude modulation of
1 kHz in the 80 MHz to 1000 MHz range
10 V/m, with 50% pulse modulation at
900 MHz
3
RF conductance on cables
and cable shielding
to IEC 61000-4-6
Test voltage 10 V, with 80% amplitude
modulation of 1 kHz in the 9 MHz to 80 MHz
range
3
Emission of radio interference
Electromagnetic interference to EN 55011: Limit Class A, Group 1 (measured at a distance
of 10 m.)
Frequency Noise emission
30 MHz to 230 MHz < 40 dB (µV/m)Q
230 MHz to 1000 MHz < 47 dB (µV/m)Q
Noise emission via AC mains to EN 55011: Limit value class A, Group 1.
Frequency Noise emission
0.15 MHz to 0.5 MHz < 79 dB (µV/m)Q
< 66 dB (µV/m)M
0.5 MHz to 5 MHz < 73 dB (µV/m)Q
< 60 dB (µV/m)M
5 MHz to 30 MHz < 73 dB (µV/m)Q
< 60 dB (µV/m)M
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