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YEP-Type (60A) brushless Electronic Speed Controller (ESC)
Technical data:
− 2 to 6s LiPo, with under voltage protection by power
reduction.
− 6 to 18 cells NiMH, with under voltage protection by power
reduction.
− the specified current is the maximum continuous full
power current with adequate cooling.
− under voltage detection (can be switched off).
− switching BEC: 5.5V, 3A continuous, 5A peak.
− Governor mode for Helicopters.
− Soft start.
− Active free-wheel, for efficiently part-load operation.
− Automatic or 6 step adjustable timing.
− adjustable F3A brake.
− 3 steps adjustable regular back EMF brake.
− Switching rate: 8 to 16 (?) kHz
− Speed limit: 240,000 RPM (2-Pole motors)
− Temperature and overload warning.
− Anti sparkling circuit: reduces connection sparkles.
− Programming with the ProgCard II or RC-Setup.
− Overall dimensions in mm: 62 x 25 x 8
− Weight in g without/with wires: 19 / 35
− Cable diameter Battery/Motor: 2.5mm² / 2.5mm²
Initial setup:
Connect the Motor to the ESC to hear the beeps.
After connecting the battery (red = plus, black = minus)
you hear 3 descending tones. Subsequently, follows a
number of beeps according to the cell number of the
connected Lipo battery. In case the transmitter stick is
in throttle off, you hear now 3 ascending tones. If you
here the interval-beep disconnect the battery and reverse
the servo-signal in the transmitter.
Especially if you use a Futaba transmitter you have to
reverse the servo-signal.
Note: Wrong Battery polarity leads to heavy
damage and to the loss of warranty!!!
If the motor turns in the wrong direction, simply
exchange 2 of the 3 motor wires.
Helicopter settings
For helicopters in governor mode, the full throttle range
(100%) must be calibrated once. For some transmitters,
this range is indicated in the helicopter menu, throttle
curve
0...100% and some other transmitters -100...+100.
Please refer to the RC-Setup especially the Basic Setup
or ProgCard.
--- The ESC is ready for use. ---
On delivery all relevant heli parameters are set to
default. This default will fit nearly all setups.
You don’t need to program further at a first step.
Here a listing of the default settings.
− Timing 18°
− Brake off
− Under-voltage recognition adjusted to Lipo mode 3.1V
− automatically cell count
− throttle curve 1.15...1.95ms
− Act. Freew. on
− Governor Mode on
− P-Gain 0.7
− I-Gain 0.03
− Startup Speed = Heli middle
− PWM-Frequency 9 kHz
− Startup Power = Auto 1-32%
You can modify the settings of P-Gain, I-Gain and PWM
frequency (with ProgCard II) but usually is not necessary.
Use only clean and tight gold connectors for motor and
battery. The 3.5 mm PK connectors have proven to be the
best choice up to 60A. Pay attention for the battery
connector to choose a polarity safe system. Exchange low-
friction or oxidized plugs and sockets. Because only tight
sitting contacts will ensure a high current flow, protect the
speed controller against dangerous voltage peaks and avoid
disturbances.
Trouble shooting:
1 Beeps/flashes: Incorrect throttle curve for Gov.-Store Mode
2 Beeps/flashes: Under-voltage identification
3 Beeps/flashes: Temperature rise warning
5 Beeps/flashes: Receiver signals failed
6 Beeps/flashes: start up failed
Any error that happens during flight is signaled by the ESC
after motor stop (flashing LED and beeps).
In case the ESC reduces power completely because of
low-voltage, critical temperature, receiver signals lost or the
startup failed, the error levels 2,3,5 and 6 will be stored
permanently (crash analysis). To reset these errors connect
the ESC to the battery with the stick at full power and/or with
100% throttle pre-selection (throttle curve), and disconnect it
after the interval beep. Please leave the stick at full power,
while disconnecting, otherwise you activate the RC-Setup.
Alternatively the errors can be cleared by connecting the
ProgCard.
With an activated brake, the error is only signaled after a
tension reset or in wind milling position.