Siemens SIMATIC ET 200AL, System Manual

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Technical specifications
10.2 Electromagnetic compatibility
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ
105
Sinusoidal disturbance variables
The following tables show the electromagnetic compatibility of the distributed I/O systems to
sinusoidal disturbance variables.
Table 10- 4 RF radiation
RF radiation according to IEC 61000-4-3
Electromagnetic RF field, amplitude modulated
Corresponds to degree of severity
80 MHz to 1000 MHz 10 V/m 3
1.4 GHz to 6 GHz 3 V/m 2
80% AM (1 kHz)
Table 10- 5 RF coupling (signal and supply cables)
RF coupling according to IEC 61000-4-6. Corresponds to degree of severity
0.15 MHz to 80 MHz
3
10 V
rms
unmodulated
80% AM (1 kHz)
150
Ω source impedance
Emission of radio frequency interference
The following table shows the interference emission of electromagnetic fields according to
55016: limit class A, group 1.
Table 10- 6 Interference emission of electromagnetic fields
Frequency Interference emission Measuring distance
30 MHz to 230 MHz <40 dB (µV/m) Q 10 m
230 MHz to 1000 MHz <47 dB (µV/m) Q 10 m
1 GHz to 3 GHz <76 dB (µV/m) P 3 m
3 GHz to 6 GHz <80 dB (µV/m) P 3 m
24 V supply connection
The following table shows measurement ranges for low voltage according to EN 55016.
Table 10- 7 Interference emission from the power supply
Frequency Interference emission
0.15 MHz to 0.5 MHz 79 dB (µV) Q
66 dB (µV) M
0.5 MHz to 30 MHz 73 dB (µV) Q
60 dB (µV) M