REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 71 / 80
10.2.5 Immunity tests - functional earth port
Environmental
phenomena
Test
specification
Units Basic
standard
Test pro-
cedure
Acceptance
criteria
Remarks
Conducted distur-
bance induced by
radio-frequency
fields
Amplitude modu-
lated
0,15 – 80
10
80
150
MHz
V (unmod., rms)
% AM (1 kHz)
ohms Source im-
pedance
EN 61000-
4-6
EN 61000-
4-6
See note 1
See 15.2
and note 1
See note 2
& 3
Fast transients
5/50
5
2
Tr/Th ns
kHz repetition fre-
quency
kV (peak)
EN 61000-
4-4
IEC 60255-
22-4
IEC 60255-22-4 See note 3
NOTE 1 The test procedure given in EN 61000-4-6 and the acceptance criteria given in 7.2 will be su-
perseded by that given in EN 60255-22-6 when it is published.
NOTE 2 Except for the ITU broadcast frequency band: 47 MHz - 68 MHz where the level is 3 V.
NOTE 3 Applicable only to ports interfacing with cables, the total length of which according to the
manufacturer's functional specification may exceed 3 m.
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