Operation Manual MA 25/MA 25e
MA 27/MA 27e
8104818 Rev. 4
35
19/10/2017
Surge
IEC 61000-4-5
+1 kV differential mode
+2 kV common mode
+1 kV differential mode
+2 kV common mode
Power supply quality should be that of
a typical commercial or residential
environment.
Voltage dips, short
interruptions and voltage
variations on power
supply lines
IEC 61000-4-11
< 5%
U
T
(>95% dip in
U
T) for 0.5 cycle
40%
U
T
(60% dip in
U
T) for 5 cycles
70%
U
T
(30% dip in
U
T) for 25 cycles
<5%
U
T
(>95% dip in
U
T) for 5 sec
< 5% UT (>95% dip in UT)
for 0.5 cycle
40% UT (60% dip in UT) for
5 cycles
70% UT (30% dip in UT) for
25 cycles
<5% UT
Power supply quality should be that of
a typical commercial or residential
environment. If the user of the
MA 25/MA 25e/MA 27/MA
27erequires continued operation
during power supply interruptions, it is
recommended that the MA 25/MA
25e/MA 27/MA 27ebe powered from
an uninterruptable power supply or its
battery.
Power frequency (50/60
Hz)
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or residential environment.
Note: U
T is the A.C. supply voltage prior to application of the test level.
Guidance and manufacturer’s declaration — electromagnetic immunity
The MA 25/MA 25e/MA 27/MA 27eis intended for use in the electromagnetic environment specified below. The customer or the user
of the MA 25/MA 25e/MA 27/MA 27eshould assure that it is used in such an environment,
Immunity test
IEC / EN 60601
test level
Compliance level
Electromagnetic environment
–
guidance
Conducted RF
IEC / EN 61000-4-6
Radiated RF
IEC / EN 61000-4-3
3 Vrms
150kHz to 80 MHz
3 V/m
80 MHz to 2,5 GHz
3 Vrms
3 V/m
Portable and mobile RF
communications equipment should be
used no closer to any parts of the MA
25/MA 25E/MA 27/MA 27E, including
cables, than the recommended
separation distance calculated from
the equation applicable to the
frequency of the transmitter.
Recommended separation distance
P
d
2
,
1
P
d
2
,
1
80 MHz to 800 MHz
P
d
3
,
2
800 MHz to 2,5 GHz
Where
P
is the maximum output
power rating of the transmitter in watts
(W) according to the transmitter
manufacturer and
d
is the
recommended separation distance in
meters (m).
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey, (a)
should be less than the compliance
level in each frequency range (b)
Interference may occur in the vicinity
of equipment marked with the
following symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from
structures, objects and people.
(a)
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios,
amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field
strength in the location in which the MA 25/MA 25e/MA 27/MA 27e is used exceeds the applicable RF compliance level above, the
MA 25/MA 25e/MA 27/MA 27eshould be observed to verify normal operation, If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the MA 25/MA 25e/MA 27/MA 27e.
(b)
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
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