Safety instructions and approvals
2.5 Electro-Magnetic Compatibility
MP 377 15" Touch daylight readable (WinCC flexible)
Operating Instructions (Compact), 04/2009, A5E02532357-01
23
Sinusoidal disturbance
The table below shows the EMC properties of the modules with respect to sinusoidal
interference. This requires the HMI device to meet the specifications and directives for
electrical installation.
Sinusoidal interference
Test values
Corresponds to
severity
HF radiation
(electromagnetic fields)
according to IEC 61000-
4-3
•
80% amplitude modulation at 1 kHz
with 10 V/m in the range of 80 MHz to 1 GHz
with 3 V/m in the range 1.4 GHz to 2 GHz
with 1 V/m the range 2 GHz to 2.7 GHz
•
10 V/m with 50 % pulse modulation at 900 MHz
10 V/m with 50 % pulse modulation at 1.89 GHz
3
HF interference current
on cables and cable
shielding conforming to
IEC 61000-4-6
Test voltage 10 V at 80% amplitude modulation of
1 kHz in the range from 9 kHz to 80 MHz
3
Emission of radio interference
Emission from electromagnetic fields according to EN 55011, limit value Class A, Group 1,
measured at a distance of 10 m:
30 to 230 MHz
< 40 dB (μV/m) quasi-peak
230 to 1 000 MHz
< 47 dB (μV/m) quasi-peak
