REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 69 / 80
10.2.4 Immunity tests - communication ports
Environmental
phenomena
Test
specification
Units Basic
standard
Test pro-
cedure
Acceptance
criteria
Remarks
Conducted dis-
turbance 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
12
Tr/Th ns
kHz repetition fre-
quency
kV (peak)
EN 61000-
4-4
IEC 60255-
22-4
IEC 60255-22-4 See note 3
1 MHz burst
Differential mode
Common mode
1
75
400
200
0
1
MHz frequency
Tr ns
Hz repetition fre-
quency
ohms Source im-
pedance
kV (peak)
kV (peak)
IEC 60255-
22-1
IEC 60255-
22-1
IEC 60255-22-1 See note 3
Insulation 0.5
additional
2
kV/DC 1Minute
kV/AC 1 Minute
IEC60255-5 IEC60255-5 IEC60255-5
Damped oscilla-
tory wave
Differential mode
Common mode
0.1/1/10/ 50
0.5
1
MHz
kV
kV
IEC 61000-
4-12
IEC 61000-
4-12
See 15.2 See note 4
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.
NOTE 4 10 and 50 MHz is for GIS applications relevant
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