Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1
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Size
Li-ion
Li-poly
NiMH
NiCd
L*W*H
6A
Pentium-6 6A 8A Linear
5V/0.8
2 5-6 Available N/A 6g 24*12*6
10A Pentium-10 10A 12A Linear
5V/1A
2-4 5-12 Available N/A 9g 27*17*6
Pentium-12 12A 15A Linear
5V/1A
2-4 5-12 Available N/A 12g 32*24*8
Pentium-12E 12A 15A Linear
5V/2A
2-4 5-12 Available N/A 13
g
32*24*10
18A Pentium-18 18A 22A Linear
5V/2A
2-4 5-12 Available N/A 19g 45*24*11
Pentium-25 25A 35A Linear
5V/2A
2-4 5-12 Available N/A 22
g
45*24*11
Pentium-25-OPTO 25A 35A N/A
N/A
2-4 5-12 Available N/A 21
g
45*24*11
Pentium-30 30A 40A Linear
5V/2A
2-4 5-12 Available N/A 25g 45*24*11
Pe nt ium- 30A + UBEC 30A 4 0A
Switch
5V/2A 2-4 5-12 Available
N/A
32g 45*24*11(ESC)
Pentium-40 40A 55A Switch
5V/3A
2-6 5-18 Available N/A 35g 55*28*12
Pentium-40-OPTO 40A 55A N/A N/A 2-6 5-18 Available N/A 32g 55*28*11
Pentium-60 60A 80A Switch
5V/3A
2-6 5-18 Available N/A 60
g
70*31*14
Pentium-60-OPTO 60A 80A N/A N/A 2-6 5-18 Available N/A 56g 70*31*13
Pentium-80 80A 100A Switch
5V/3A
2-6 5-18 Available N/A 62
g
70*31*14
Pentium-80-OPTO 80A 100A N/A
N/A
2-6 5-18 Available N/A 58g 70*31*13
100A
Pentium-100 100A 120A N/A N/A 2-6 5-18 Available N/A 120g 78*55*15
Size
Li-ion
Li-poly
NiMH
NiCd
L*W*H
18A Guard-18 18A 22A
Linear
5V/2A 2-4 5-12 Available Available 24g
45*26*11
25A Guard-25 25A 35A Linear 5V/2A 2-4 5-12 Available A vailable 27g 45*26*12
30A Guard-30 30A 40A
Linear
5V/2A 2-4 5-12 Available A vailable 29g 45*26*12
40A Guard-40 40A 55A Switch 5V/3A 2-6 5-18 Available A vailable 40g 55*28*15
60A Guard-60 60A 80A Switch 5V/3A 2-6 5-18 Available A vailable 65g 70*31*14
80A Guard-80
80A 100A
Switch 5V/3A 2-6 5-18 Available A vailable 67g 70*31*14
Pentium Series
Guard Series
WeightBurst
Current
(>10s)
BEC
Mode
BEC
Output
Battery Cell User
Programm-
able
Balance
Discharge
Protection
60A
Class Model Cont.
Current
80A
12A
40A
BEC
Mode
(
Note1
)
BEC
Output
Class Model Cont.
Current
Burst
Current
(>10s)
25A
30A
Balance
Discharge
Protection
WeightBattery Cell User
Programm-
able
Thanks for purchasing our Electronic Speed Controller (ESC). High power system for RC model can be very dangerous, so we
strongly suggest you read this manual carefully. In that we have no control over the correct use, installation, application, or
maintenance of our products, no liability shall be assumed nor accepted for any damages, losses or costs resulting from the use
of the product. Any claims arising from the operating, failure or malfunctioning etc. will be denied. We assume no liability for
personal injury, property damage or consequential damages resulting from our product or our workmanship. As far as is legally
permitted, the obligation to compensation is limited to the invoice amount of the affected product.
Features:
Balance Discharge Monitoring and Protection (BDMP) Design for lithium battery pack.
This innovative new system provides
real time monitoring of the discharge voltage of each cell in your lithium (Li-ion/Li-poly) battery packs. Since each cell is monitored
and protected by the ESC, you can expect an even longer service life from your battery packs as you fly with increased confidence.
(Remark: This function is ONLY available for the “Guard” series ESC)
Compatible with Lithium and Nickel battery types. (Lithium-Ion / Lithium-Polymer or Nickel Metal Hydride / Nickel Cad mium)
Extreme low output resistance, super current endurance.
Multiple protection features: Low-voltage cut-off protection / over-heat protection / throttle signal loss protection.
3 start modes: Normal / Soft / Super-Soft, compatible with fixed-wing aircraft and helicopter.
Throttle range can be configured to be compatible with all transmitters currently available on market.
Smooth, linear and precise throttle response.
Separate voltage regulator IC for microprocessor (except Pentium-6A and Pentium-10A), providing good anti-jamming capability.
Supported motor speed (Maximum): 210000 RPM (2 poles), 70000 RPM (6 poles), 35000 RPM (12 poles).
Our pocket-sized
Program Card
can be purchased separately for extremely easily programming the ESC at the field.
With a program card, you can activate the music playing function of the ESC, and totally there are 15 songs can be selected.
Specifications:
Note1: BEC means the “Battery Elimination Circuit”. It is a DC-DC voltage regulator to supplies the receiver and other
equipments from the main battery pack. With the build-in BEC of an ESC, the receiver needn’t to be supplied with an additional
battery pack.
IMPORTANT! The ESC named “xxx-xxx-OPTO” hasn’t a built-in BEC, an UBEC (Ultimate-BEC) or an individual battery pack
should be used to power the receiver. And an individual battery pack is needed to power the program card when setting the
programmable value of such ESCs, please read the user manual of program card for reference.
5S-6S Li-Poly
4
BEC Output Capability
Standard micro servos(Max.) 5 4
2 S Li- P ol y 3S Li - Po l y 2S - 4S Li -P ol y
5
Linear Mode BEC( 5V/2A)
32
4 S Li -P o l y 5S Li -P o l y
Switch Mode BEC( 5V/3A)
Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1
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Wiring Diagram:
Lithium Battery Balance Discharge Monitoring and Protection (BDMP) Adapter For the “Guard” Series ESC:
We provide 2 kinds of Lithium Battery Balance Discharge Monitoring and Protection (BDMP) Adapters for user to choose.
Adapter #1 Adapter #2
VERY IMPORTANT! You MUST connect the BDMP adapter to the balance charge connector on battery pack BEFORE
connecting the main power lead to ESC. And if you use banana-shape connectors on main power wires (Input wires), please
connect the black wire (negative polarity) BEFORE red wire (positive polarity). So the right sequence is:
BDMP Adapter → BLACK wire of main power → RED wire of main power
Programmable Items:
1. Brake Setting：Enabled / Disabled, default is Disabled
2. Battery Type：Li-xx(Li-ion or Li-poly) / Ni-xx(NiMH or Ni Cd)，default is Li-xx.
3. Low Voltage Protection Mode(Cut-Off Mode)： Soft Cut-Off (Gradually reduce the output power) or Cut-Off (Immediately stop the
output power). Default is Soft Cut-Off.
4. Low Voltage Protection Threshold(Cut-Off Threshold)：Low / Medium / High, default is Medium.
When NOT using balance discharge monitoring and protection function (i.e. Not plugging the balance charge connector
into the BDMP socket on the Guard series ESC, the ESC only monitors the voltage of the whole battery pack )
1) For lithium batteries, the number of battery cells is calculated automatically. Low / medium / high cutoff voltage for each
cell is: 2.6V/2.85V/3.1V. For example: For a 3 cells lithium pack, when “Medium” cutoff threshold is set, the cut-off voltage
will be: 2.85*3=8.55V.
2) For nickel batteries, low / medium / high cutoff voltages are 0%/45%/60% of the startup voltage (i.e. the initial voltage of
battery pack), and 0% means the low voltage cut-off function is disabled. For example: For a 10 cells NiMH batter y, fully
charged voltage is 1.44*10=14.4V, when “Medium” cut-off threshold is set, the cut-off voltage will be:14.4*45%=6.5V。
When using balance discharge monitoring and protection function (i.e. Plugging the balance charge connector on battery
pack into the BDMP socket on the Guard series ESC, the ESC monitors not only the voltage of the whole battery pack but also
the voltage of each cell). For lithium battery，low / medium / high cut off voltage for each cell is: 2.6V/2.85V/3.1V. When the
voltage of any cell in battery pack is lower than the cut-off threshold, the protection function is activated.
5. Startup Mode：Normal /Soft /Super-Soft, default is Normal.
Normal is preferred for fixed-wing aircraft. Soft or Super-soft are preferred for helicopters. The initial acceleration of the Soft and
Super-Soft modes are slower in comparison, usually taking 1 second for Soft startup or 2 seconds for Super-Soft startup from initial
throttle advance to full throttle. If the throttle is closed (throttle stick moved to bottom) and opened again (throttle stick moved to top)
within 3 seconds of the initial startup, the restart-up will be temporarily changed to normal mode to get rid of the chances of a crash
caused by slow throttle response. This special design is very suitable for aerobatic flight when quick throttle response is needed.
6. Timing：Low / Medium / High, default is Low.
Note2
Usually, low timing value can be used for most motors. We recommend the Low timing value for 2 poles motor and Medium timing
value for motors with more than 6 poles to get a high efficiency. For higher speed, High timing value can be chosen.
Note2: After changing the timing setting, please test your RC model on ground prior to flight!
Special Note
Some high KV out-runner motors have very special construction, the space between each magnet is very large, an d many ESCs can’t
drive these motors. After much testing, our ESCs have proven to work very well with these types of motors. Some RC enthusiasts still have
several questions about the programming value for these special motors. Therefore, we have provided some suggestions as follo ws:
Programmable Value Suggestion
Motor
Timing Startup Mode
Generic in-runner motor Low
Generic out-runner motor Low or Medium
Align 420LF (Made in TAIWAN, out-runner) High (MUST)
Usually, aircraft use “Normal” startup mode
and helicopter use “Super-soft” startup mode
450TH (Made in TAIWAN, out-runner) Low Soft (MUST)
Begin To Use Your New ESC
Please start the ESC in the following sequences:
1. Move the throttle stick to the bottom position and the n switch on the transmitter.
2. Connect the b attery pack to the ESC, the ESC begins the self-test process, a special tone “ 123” is emitted, which means the
voltage of the battery pack is in normal range, and then N “beep” tones will be emitted, means the number of lithium battery cells.
Finally a long “beep------” tone will be emitted, which means self-test is OK, the aircraft/helicopter is ready to go flying.
If nothing is happened, please check the battery pack and all the connections;
Receiver
Red
Black
Power -
Power +
Connect with balance
charge connector on
battery pack
brushless
motor
ESC
BATTERY
MOTOR
GUARD-25A
Electronic Speed Controller
BRUSHLESS MOTOR
Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1
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If a special tone “ ” is emitted after 2 beep tones (“beep-beep-”), means the ESC has entered the program mode, it is
because the throttle channel of your transmitter is reversed, please set it correctly;
If the very rapid “beep-beep-, beep-beep-” tones is emitted, means the input voltage is too low or too high, please check your
battery’s voltage.
3. “VERY IMPORTANT !” Because different transmitter has different throttle range, we strongly suggest you using the “Throttle Range
Setting Function” to calibrate throttle range. Please read the instruction on page 4------“Throttle Range Setting”.
Alert Tone
1. Input voltage is abnormal: The ESC begins to check the voltage when the battery pack is connected, if the voltage is not in the
acceptable range, such an alert tone will be emitted: “beep-beep-, beep-beep-,beep-beep-” (Every “beep-beep-” has a time interval of
about 1 second. )
2. Throttle signal is abnormal: When the ESC can’t detect the normal throttle signal, such an alert tone will be emitted: “beep-, beep-,
beep-”. (Every “beep-” has a time interval of about 2 seconds)
3. Throttle stick is not in the bottom position: When the throttle stick is not in bottom (lowest) position, a very rapid alert tone will be
emitted: “beep-, beep-, beep-”. (Every “beep-” has a time interval of about 0.25 second.)
Protection Function
1. Abnormal start up protection: If the motor fails to start within 2 seconds of throttle application, the ESC will cut-off the output power. In
this case, the throttle stick MUST be moved to the bottom again to restart the motor. (Such a situation happens in the following cases:
The connection between ESC and motor is not reliable, the propeller or the motor is blocked, the gearbox is damaged, etc.)
2. Over-heat protection: When the temperature of the ESC is over 110 Celsius degrees, the ESC will reduce the output power.
3. Throttle signal loss protection: The ESC will reduce the output power if throttle signal is lost for 1 second, further loss for 2 seconds
will cause its output to be cut-off completely.
Program Example
Setting “Start Mode” to “Super-Soft”, i.e. value #3 in the programmable item #5
Trouble Shooting
Trouble Possible Reason Action
After power on, motor does not work, no
sound is emitted
The connection between battery
pack and ESC is not correct
Check the power connection.
Replace the connector.
After power on, motor does not work,
such an alert tone is emitted:
“beep-beep-, beep-beep-,beep-beep-”
(Every “beep-beep-” has a time interval
of about 1 second)
Input voltage is abnormal, too high
or too low.
The balance charge connector is
not located properly in BDMP
adapter.
Check the voltage of battery pack
Check the connection of the balance charge
connector and the BDMP adapter.
After power on, motor does not work,
such an alert tone is emitted:
“beep-, beep-, beep- ”(Every “beep-” has
a time interval of about 2 seconds)
Throttle signal is irregular Check the receiver and transmitter
Check the cable of throttle channel
After power on, motor does not work,
such an alert tone is emitted:
“beep-, beep-, beep-” (Every “beep-” has
a time interval of about 0.25 second)
The throttle stick is not in the
bottom (lowest) position
Move the throttle stick to bottom position
After power on, motor does not work, a
special tone “
” is emitted after 2
beep tone (beep-beep-)
Direction of the throttle channel is
reversed, so the ESC has entered
the program mode
Set the direction of throttle channel correctly
The motor runs in the opposite direction The connection between ESC and
the motor need to be changed.
Swap any two wire connections between ESC and
motor
Throttle signal is lost Check the receiver and transmitter
Check the cable of throttle channel
ESC has entered Low Voltage
Protection mode
Land RC model as soon as possible, and then
replace the battery pack
The motor stop running while in working
state
Some connections are not reliable Check all the connections: battery pack connection,
throttle signal cable, motor connections, etc.
Random stop or restart or irregular
working state
There is strong electro-magnetic
interference in flying field.
Reset the ESC to resume normal operation. If the
function could not resume, you might need to move
to another area to fly.
1. Enter Program Mode
Switch on transmitter, move throttle stick to top position, connect battery pack to ESC, wait for 2 seconds, “beep-beep” tone should
be emitted. Then wait for another 5 seconds, special tone like “
” should be emitted, which means program mode is entered.
2. Select Programmable Items
Now you’ll hear 8 tones in a loop. When a long “beep------” tone is emitted, move throttle stick to bottom to enter the “Start Mode”
3. Set Item Value (Programmable Value)
“Beep-”, wait for 3 seconds; “Beep-beep-”, wait for another 3 seconds; then you’ll hear “beep-beep-beep”, move throttle stick t o top
position, then a special tone “
” is emitted, now you have set the “Start Mode” item to the value of “Super-Soft”
4. Exit Program Mode
After the special tone “
”, move throttle stick to bottom within 2 seconds.
Manual of Sensorless Brushless Motor Speed Controller Ver HW-01-081027.1
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Normal startup procedure:
Throttle range setting: (Throttle range should be reset whenever a new transmitter is being used)
Program the ESC with your transmitter (4 Steps):
1. Enter program mode
2. Select programmable items
3. Set item’s value (Programmable value)
4. Exit program mode
1. Enter program mode
1) Switch on transmitter, move throttle stick to
top , connect the battery pack to ESC
2) Wait for 2 seconds, the motor should emit
special tone like “beep-beep-”
3) Wait for another 5 seconds, special tone like
“
” should be emitted, which means
program mode is entered
4. Exit program mode
There are 2 ways to exit
program mode:
1. In step 3, after special
tone “
”, please
move throttle stick to
the bottom position
within 2 seconds.
2. In step 2, after tone
“beep-----beep-----”(ie.
The item #8), move
throttle stick to bottom
within 3 seconds.
3. Set item value (Programmable value):
You will hear several tones in loop. Set the value matching to a tone by moving throttle stick
to top when you hear the tone, then a special tone “
” emits, means the value is set
and saved. (Keeping the throttle stick at top, you will go back to step 2 and you can select
other items; Moving the stick to bottom within 2 seconds will exit program mode directly)
Tones
Items
“beep-”
1 short tone
“beep-beep-”
2 short tones
“beep-beep-beep”
3 short tones
Brake
Off On
Battery type
Li-ion / Li-poly NiMH / NiCd
Cutoff mode
Soft-Cut Cut-Off
Cutoff threshold
Low Medium High
Start mode
Normal Soft Super soft
Timing
Low Medium High
2. Select programmable items:
After entering program mode, you will hear 8 tones in a lo op with
the following sequence. If you move the throttle stick to bottom
within 3 seconds after one kind of tones, this item will be selected.
1. “beep” brake (1 short tone)
2. “beep-beep-” battery type (2 short tone)
3. “beep-beep-beep-” cutoff mode (3 short tone)
4. “beep-beep-beep-beep-” cutoff threshold (4 short tone)
5. “beep-----” startup mode (1 long tone)
6. “beep-----beep-” timing (1 long 1 short)
7. “beep-----beep-beep-” set all to default (1 long 2 short)
8. “beep-----beep-----” exit (2 long tone)
Note: 1 long “beep-----” = 5 short “beep-”
Switch on
transmitter,
move throttle
stick to top
Connect battery
pack to ESC,
and wait for
about 2 seconds
“Beep-Beep-” tone
should be emitted,
means throttle range
highest point has been
correctly confirmed
Move throttle stick to the
bottom, several “beep-” tones
should be emitted, presenting
the number of battery cells
A long “Beep-” tone should
be emitted, means throttle
range lowest point has
been correctly confirmed
Move throttle
stick to
bottom and
then switch
on transmitte
r
.
Connect battery
pack to ESC,
special tone like
“
123” means
power supply is OK
When self-test is
finished, a long
“beep-----”tone
should be emitted
Move throttle stick
upwards to go flying
Several “beep-” tones
should be emitted,
presenting the number
of lithium battery cells
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