Siemens Panel PC 870 appendix Sinusoidal wave interference, Interference emission

Electromagnetic Compatibility Release 11/02

Sinusoidal wave interference

RF Radiation complying with EN 61000-4-3

•Electromagnetic RF field, amplitude-modulated from 80–1000 MHz

10 V/m

80 % AM (1 kHz)

•Electromagnetic RF field, pulse-modulated 900 ± 5 MHz

10 V/m

50 % ED

200 Hz pulse repetition frequency

•RF interference on signal lines, data lines, etc. complying with EN 61000-4-6, radio frequency, asymmetric, amplitude-modulated

from 0.15 –80 MHz 10 V RMS value 80 % AM (1 kHz)

Interference emission

Radiated interference of electromagnetic fields according to

EN 55011: Limit Value Class A, Group 1.

from 30–230 MHz	< 30 dB (µV/m)Q
from 230–1000 MHz	< 37 dB (µV/m)Q
measured from a 30 m distance

Radiated interference from mains AC line power supply complying with EN 55011: Limit Value Class A, Group 1 (only 230 V operating units)

from 0.15–0.5 MHz	< 79 dB (µV)Q
	< 66 dB (µV)A
from 0.5–5 MHz	< 73 dB (µV)Q
	< 60 dB (µV)A
from 5–30 MHz	< 73 dB (µV)Q
	< 60 dB (µV)A

4–2 SIMATIC Panel PC 670/870 Start-Up Instructions