Safety instructions, standards and notes
2.9 Electromagnetic compatibility
Mobile Panel 277F IWLAN
Operating Instructions, 12/2007, A5E01003940-01
47
Pulse-shaped
interference
Checked with
Applies to charging station with or without plugged-
on HMI device and power supply unit (230 VAC)
Degree of severity
High-power surge pulses in accordance with IEC 61000-4-5, external protective circuit required (refer
to S7-300 PLC, Installation, chapter “Lightning and overvoltage protection”)
•
Asymmetrical
coupling
2 kV power cable
DC voltage with protective elements
3
•
Symmetrical coupling 1 kV power cable
DC voltage with protective elements
3
Sinusoidal interference
The following table shows the EMC behavior of the modules with respect to sinusoidal
interference.
Sinusoidal interference
Test values
Applies to HMI device, charging station, and power
supply unit:
Degree of
severity
HF radiation (in
electromagnetic fields) in
accordance with
IEC 61000-4-3
80% amplitude modulation at 1 kHz
•
To 10 V/m in the range 80 MHz to 1 GHz
•
To 10 V/m in the range 1.4 GHz to 2 GHz
•
To 1 V/m in the range 2 GHz to 2.7 GHz
3
HF conductance on
cables and cable shields
in accordance with IEC
61000-4-6
Test voltage 10 V, with 80% amplitude modulation of 1
kHz in the range 9 kHz to 80 MHz
3
Emission of radio interference
The following table shows the unwanted emissions from electromagnetic fields in
accordance with EN 55011,
Limit Value Class A, Group 1, measured at a distance of 10 m.
30 MHz to 230 MHz
< 40 dB (V/m) quasi-peak
230 MHz to 1000 MHz
< 47 dB (V/m) quasi-peak
Additional measures
Before you connect the HMI device to the public network, ensure that it is compliant with
Limit Class B in accordance with EN 55022.
Specific absorption rate SAR
Recommendation 1999/519/EC; Exposure of the public to EMF
Limit values for Europe in accordance with EN 50932
Limit values for USA in accordance with FCC OET Bulletin 65 Supplement C
