Cirtix series Brushless Speed Controller manual For
“RS1/RS20602010A/100524” Page - 3 -
WARNING! When using sensored brushless motor, the #A, #B, #C wires of the ESC MUST connect
with the motor wire #A, #B, #C respectively. Do not change the wire sequence!
Connected with sensorless brushless motor
When using brushless motor without Hall Sensor, the #A, #B, #C wires of the ESC can be connected with the
motor wires in any order. If the motor runs backwards, swap any two of the motor wire connections.
Picture A: Wiring with a brushless motor
2. Throttle Range Setting (Throttle Range Calibration)
In order to make the ESC fit the throttle range, you must calibrate it when you set up a new ESC, use a
new transmitter, or change the ATV or EPA settings of the radio. You must also calibrate after loading
new software to your ESC.
Otherwise the ESC will not work properly.
There are 3 points need to be set, “full throttle”, ”full brake” and the neutral point.
The following pictures show how to set the throttle range with a Futaba
TM
transmitter.
3. The LED Status In Normal Running
After the radio setup completed with the ESC, when every time you tune on the ESC switch to “ON” please wait 3
sec before operate.
The yellow LED goes on which mean you are in Neutral point.
The yellow LED goes off when the car is run forward and will light up in neutral or under braking.
Alert Tones
1. Input voltage abnormal alert tone: The ESC begins to check the input voltage when power on, if it is out of the
normal range, the following alert tone will be emitted: “beep-beep-, beep-beep-, beep-beep-” (There is 1 second
interval between every “beep-beep-” tone).
2. Throttle signal abnormal alert tone: When the ESC can’t detect the normal throttle signal, the following alert tone
will be emitted: “beep-, beep-, beep-” (There is 2 seconds interval between every “beep-” tone).
Protection Function
1. Low voltage cut-off protection: If the lithium battery pack’s voltage is lower than the threshold for 2 seconds, the
ESC will cut the output power. Please note that the ESC cannot be restarted if the voltage of each lithium cell is
lower than 3.5V. You can disable cutoff voltage protection function for competition racing.
For NiMh/NiCd battery packs, if the voltage of the whole NiMh/NiCd battery pack is higher than 12V, it will be
considered as a 4 cell lithium battery pack; If it is higher than 9.0V but lower than 12V, it will be considered as a 3
cell lithium battery pack; If it is lower than 9.0V, it will be considered as a 2 cell lithium battery pack. For example,
a NiMh battery pack is 8.0V, and the threshold is set to 2.6V/Cell, so it will be considered as a 2 cell lithium
battery pack, and the low-voltage cut-off threshold for this NiMh battery pack is 2.6*2=5.2V.
A) Switch off the ESC, turn on the transmitter, set
the direction of throttle channel to ”REV” (ONLY
for Futaba Radios), set the “EPA/ATV” value of
throttle channel to “100%”.
B) Use a pen or screwdriver to hold the “SET” key
and then switch on the ESC, release the “SET”
key when the red LED begins to flash.
C)
(Please refer to the picture on the right)
C) Set the 3 points according to the steps shown
as the picture.
Neutral point
Full throttle
Full brake
D) When the process of calibration is finished, the
motor can be started after 3 seconds.
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