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2.5 Electromagne• c interference (EMI)
DANGER!
Electromagne• c interference is from external electromagne• c wave energy (like radios, TV transmission sta• ons, CB radio waves,
garage door starters, radio phones, etc. ). Electromagne• c interference may affect the control system of the power wheelchair. Some
interference may lead to the brake failure, power on automa• cally, or steering failure, also may lead to the permanent damages to
the control systems. Below cables informa• on are provided for EMC reference.
Cable
AC Power Line
DC Power Line
• Important informa• on regarding Electro Magne• c Compa• bility (EMC)
• This electrical medical equipment needs special precau• ons regarding EMC and needs to be put into service according to the EMC
informa• on provided in the user manual; The equipment conforms to this IEC 60601-1-2:2014 standard for both immunity and
emissions. Nevertheless, special precau• ons need to be observed:
• The equipment with ESSENTIAL PERFORMANCE, has been designed to be used to be in an indoors environment.
ESSENTIAL PERFORMANCE:
• WARNING: Use of this equipment adjacent with other equipment should be avoided because it could result in improper opera• on.
If such use is necessary, this equipment and the other equipment should be observed to verify that they are opera• ng normally.
• The use of accessories, transducers and cables other than those specified or provided by the manufacturer of this equipment
could result in increased electromagne• c emissions or decreased electromagne• c immunity of this equipment and result in
improper opera• on.
• WARNING: Portable RF communica• ons equipment (including peripherals such as antenna cables and external antennas) should
be used no closer than 30 cm (12 inches) to any part of the Q50 R Carbon, including cables specified by the manufacturer.
Otherwise, degrada• on of the performance of this equipment could result.
• WARNING: If the wheelchair is being used near (e.g. less than 1.5 km (1 mi) from) AM, FM or TV broadcast antennas, before using
this equipment, it should be observed to verify that it is opera• ng normally to assure that the equipment remains safe with regard
to electromagne• c disturbances throughout the expected service life.
• When the AC input voltage is interrupted, the equipment will stop ba# ery charging and if the power supply restored, it could be
recovered automa• cally.
EMI Compliance table (Table 1)
Table 1 - Emission
Phenomenon
RF emissions
Harmonic distor• on
Voltage fl uctua• ons and fl icker
EMS Compliance table (Table 2 -5)
Table 2 - Enclosure Port
Phenomenon
Electrosta• c discharge
Radiated RF EM fi eld
Proximity fi elds from RF wireless
communica• ons equipment
Rated power frequency magne• c fi elds
Q50 R Carbon
Max. cable length, shielded / unshielded
1m (3 ! )
1m (3 ! )
Compliance
CISPR 11 Group 1, Class B
IEC 61000-3-2 Class A
IEC 61000-3-3 Compliance
Basic EMC standard
IEC 61000-4-2
IEC 61000-4-3
IEC 61000-4-3
IEC 61000-4-8
Shielded
Shielded
8
Number
1 set
1 set
Electromagne• c environment
Home healthcare environment
Home healthcare environment
Home healthcare environment
Immunity test levels
Home healthcare environment
±8 kV contact
±2kV, ±4kV, ±8kV, ±15kV air
20V/m
26MHz-2.5GHz
80% AM at 1kHz 10V/m
80MHz-2.7GHz
80% AM at 1kHz
Refer to table 3
30 A/m
50 Hz or 60Hz
Cable classifi ca• on
AC Power
DC Power
000690871.NA Rev. A
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