Siemens SIMATIC S7-400 Reference Manual page 21

Surge
in accordance with IEC 61000-4-5
● Asymmetrical connection
● Symmetrical connection
Sinusoidal interference
The table below shows S7-400 module EMC for sinusoidal interference.
Table 1-4
High frequency radiation (electromagnetic
fields)
in accordance with IEC 61000-4-3
HF currents on cables and cable shielding
in accordance with IEC 61000-4-6
Emission of radio frequency interference
Emissions from electromagnetic fields in accordance with EN 61000-6-4.
Emissions over main AC supply in accordance with 61000-6-4.
Line harmonics
The AC power modules for S7-400 comply with the following standards for line harmonics:
Harmonic current: EN 61000-3-2
Voltage supply fluctuations and flicker: EN 61000-3-3
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Pulse-shaped interference
Sinusoidal interference
Sinusoidal interference
1.2 Electromagnetic compatibility
Test voltage
2 kV (supply line) DC with protective
components
2 kV (signal line/data line only > 30 m),
where applicable with protective compo‐
nents
1 kV (supply line) DC with protective
components
1 kV (signal line only > 30 m), where ap‐
plicable with protective components
Test values
80 MHz to 1 GHz and 1.4 GHz to 2 GHz
10 V/m with 80 % amplitude modulation
at 1 kHz
2 GHz to 2.7 GHz
3 V/m with 80 % amplitude modulation
at 1 kHz
Test voltage 10 V with 80 % amplitude
modulation of 1 kHz in a range of 10 kHz
to 80 MHz
General specifications
Corresponds to
immunity test lev‐
el
3
Corresponds
to immunity
test level
3
3
21