Pathway Technical Reference Manual
Proprietary 21 of 190
1.7 Electromagnetic Immunity
The PATHWAY is intended for use in the electromagnetic environment specified below. The
customer or the user of the PATHWAY should assure that it is used in such an environment.
Declaration – electromagnetic immunity
Electromagnetic
environment –
guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
8 kV contact
2, 4, 8, 15kV air
8 kV contact
2, 4, 8, 15kV
air
Floors should be wood, concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be
at least 30 %.
Electrical fast
transient/burst
IEC 61000-4-4
2 kV for power
supply lines
1 kV for
input/output lines
2 kV for
power supply
lines
1 kV for
input/output
lines
Mains power quality should be
that of a typical commercial or
hospital environment.
1 kV line(s) to
line(s)
2 kV line(s) to earth
2 kV Signal
input/output) to
earth
1 kV line(s) to
line(s)
2 kV line(s) to
earth
2 kV Signal
input/output)
to earth
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips,
short
interruptions and
voltage
variations on
power supply
input lines
IEC 61000-4-11
0% UT; 0.5cycle at
0°, 45°, 90°,
135°,180°, 225°,
270° and 315°
0% UT; 1cycle and
70% UT; 25/30
cycles
Single phase at 0°
0% UT; 250/300
cycle
0% UT;
0.5cycle at
0°, 45°, 90°,
135°,180°,
225°, 270°
and 315°
0% UT;
1cycle and
70% UT;
25/30 cycles
Single phase
at 0° 0% UT;
250/300 cycle
Mains power quality should be
that of a typical commercial or
hospital environment. If the
user of the Pathway requires
continued operation during
power mains interruptions, it is
recommended that the Pathway
be powered from an
uninterruptible power supply or
a battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital
environment.
NOTE UT is the a.c. mains voltage prior to application of
the test level.
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