29
Guidance and Manufacturer's Declaration -
Electromagnetic Immunity
LimbLogic is intended for use in the electromagnetic environment
specified below. The customer or the user of the LimbLogic should
assure it is used in such an environment.
Immunity
test
IEC 60601
test level
Compliance
Level
Electromagnetic
environment -
guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
3 V
3 V/m
Portable and mobile RF
communications equip-
ment should be used
no closer to any part of
the LimbLogic, including
cables, than the recom-
mended separation
distance calculated from
the equation applicable
to the frequency of the
transmitter.
Recommended
separation distance
80 MHz to 800 MHz
800 MHz to 2.5 GHz
where
P
is the maximum
output power rating of the
transmitter in watts (W)
according to the transmit-
ter manufacturer and
d
is the recommended
separation distance in
meters (m).
Field strengths from
fixed RF transmitters, as
determined by an elec-
tromagnetic 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. Electromag-
netic 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 LimbLogic is used exceeds the applicable RF
compliance level above, the LimbLogic should be observed to verify
normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the
LimbLogic.
b Over the frequency range 150 kHz to 80 MHz, field strengths should
be less than 3 V/m.
Technical Information