4.2 Cooling and mounting
Sufficient cooling increases efficiency
span of the ESC. The KOSMIK ESC
performance with increased coo
mounting the ESC to the model,
cooling plate uncovered. If using
should show outwards and never have connec
tion to other parts of the model.
When installing the heatsink take care
contact with the ESCs cooling plate. For best
transfer between the cooling
KONTRONIK advises to fix the hea
liquid superglue.
The COOLKOSMIK has an integrated heat sink.
For more cooling just screw the fan onto the heat
sink and plug into one of the sensor inputs of the
KOSMIK.
4.3 BEC
The KOSMIK ESC has a swiched
Compared to general BEC-systems the
of the BEC is mostly independent fr
voltage. This allows the usage of the
higher voltages. Also, the KOSMIK
high interference rejection.
BEC capacity of KOSMIK 160+HV
7A permanent / 20A temporary max
BEC capacity of KOSMIK 200+HV
10A permanent / 30A temporary max
BEC Voltage(default 5.6V)
The BEC-voltage can be changed between 5V
and 8V (in 0.1V steps) by using the PROGDISC.
For safety reasons, must be either
LiFePo battery
(adjusted BEC voltage: 6,6
7V)
or a 2-cell LiPo battery
(adjus
voltage: 8V)
or a 4-cell NiCd battery
(adjusted BEC voltage: 5,6V) connected in
parallel to the receiver.
ATTENTION: please insure previously
details of the battery, the servos and
receiver to be compatible to the requested
voltage
Operation without BEC:
When operating without BEC, the red receiver
cable is to be disconnected or simply
4.4 Torodial core
The factory mounted torodial core on
cable allows suppression of interference. It must
not be removed from the cable
reasons but it can be moved if necessary
the cable.
!
!
Sufficient cooling increases efficiency and life-
ESC improves
ooling. When
mounting the ESC to the model, leave the
cooling plate uncovered. If using heatsink it
have connec-
When installing the heatsink take care for good
cooling plate. For best
transfer between the cooling components
eatsink with a
The COOLKOSMIK has an integrated heat sink.
For more cooling just screw the fan onto the heat
sensor inputs of the
swiched BEC.
systems the capacity
rom the input
the BEC also at
MIK features a
20A temporary max. current
30A temporary max. current
voltage can be changed between 5V
by using the PROGDISC.
For safety reasons, must be either a 2-cell
BEC voltage: 6,6V–
justed BEC
battery
connected in
please insure previously the
details of the battery, the servos and
ver to be compatible to the requested
When operating without BEC, the red receiver
r simply cutted.
The factory mounted torodial core on the receiver
rence. It must
cable for security
necessary within
Never remove the torodial core from the
It can be moved within the cable to any
but take care for tight fit of the
4.5 Active freewheeling
To optimize the efficiency at part load and
reduce heating the ESC features an
freewheeling circuit. The active freewheeling
circuit cannot be used at very little l
Very little load may result in a short
of the motor RPM.
4.6 Part load capabili
Due to its active freewheeling circuit the ESC can
be operated in part load conditions if
throttle and full load the battery
exceed the KOSMIKs co
4.7 Sensorless Comm
KOSMIK ESCs work without sensors insi
motor via a 3D recognition sys
of the motor will automa
the application.
4.8 Variable clock fr
The KOSMIK ESC uses a clock frequency
32 kHz or higher. Depending on the r
it is adjusted automatically. The
depends on the motor and
frequency is tuned p
parameters. Therefore the
running at the point of best
4.9 Protective funct
In a KOSMIK ESC the following
functions are activated:
• If more than 2 seconds
signal is received, the controller shuts down
the engine. Shut down
PROGDISC.
• Except in APM and glide mode,
heating the ESC, the
automatically.
• The under voltage detection also leads to a
slow turn off.
Once the KOSMIK’s Heli mode has turned
down the RPM,
possible. Only after plugging a
charged battery pack further operating is
released.
!
17
core from the cable!
can be moved within the cable to any position,
but take care for tight fit of the cables afterwards
.
Active freewheeling circuit
To optimize the efficiency at part load and to
reduce heating the ESC features an active
freewheeling circuit. The active freewheeling
circuit cannot be used at very little load.
Very little load may result in a short discontinuity
ility
Due to its active freewheeling circuit the ESC can
be operated in part load conditions if at full
throttle and full load the battery current does not
ontinuous current limit.
mmutation
KOSMIK ESCs work without sensors inside the
motor via a 3D recognition system. Commutation
atically be optimized to
requency
The KOSMIK ESC uses a clock frequency of
kHz or higher. Depending on the requirements
it is adjusted automatically. The actual frequency
depends on the motor and the actual load. The
perfectly to the current
parameters. Therefore the motor is always
running at the point of best efficiency.
tion
s
In a KOSMIK ESC the following protective
If more than 2 seconds (default) no valid
nal is received, the controller shuts down
engine. Shut down time is adjustable via
Except in APM and glide mode, when over-
heating the ESC, the motor is slowly turned off
voltage detection also leads to a
Once the KOSMIK’s Heli mode has turned
no direct booting is
ble. Only after plugging a sufficiently
rged battery pack further operating is
