Digital Speed Controller Instruction Manual

Digital Speed Controller Instruction Manual
Digital Speed Controller Instruction Manual
Digital Speed Controller
Instruction Manual
Precautions
Batteries
WARNING
To avoid the risk of fumes, fire or burns
Improper use of the battery is very dangerous. The battery must be
handled carefully. Incorrect wiring or short-circuiting of wiring may cause
fire or fumes. Before connecting or disconnecting the battery to or from
the ESC, be sure to turn off the power switch of the ESC. When the
battery is not in use, disconnect it from the ESC or charger, and store it
in a suitable location with wires and screws removed.
Connecting silicone wiring
WARNING
To avoid the risk of fumes, fire or burns
Incorrect wiring may cause fire or fumes that can damage both the ESC
and battery beyond repair. To avoid the risk of accidents, do not modify
wiring by yourself, even though the ESC is fitted with terminals. Take the
product to KEYENCE instead.
Connecting to a motor
WARNING
To avoid the risk of fumes, fire or explosion
Make sure to fit the included capacitor to the motor to be used.
Otherwise, the ESC may become damaged due to malfunction resulting
from electrical noise.
2
Caution
Make sure to carefully read and understand the important warning
messages in this Instruction Manual before commencing to use the
product.
WARNING Information for preventing serious injury
CAUTION
Information for preventing accidents or
product damage
NOTE
Useful information on handling the product
Radiating fins
WARNING
To avoid the risk of fumes, fire or burns
Electricity flows through the metal upper part of the ESC. Therefore, take
care to avoid contacting this with cables and other metal parts or the
carbon chassis of the ESC. Take the same care even after a radiating fin
is installed, since radiating fins conduct electricity.
Proper operation
CAUTION
To avoid accidents or product damage
Do not modify the ESC in any way. Use it only for its intended purpose.
Keep the ESC away from flames or heat. Avoid splashing any liquid,
such as water, on the ESC.
INDEX
P.2 to P.8
P.9 to P.15
P.16 to P.26
P.27
P.28 to P.29
P.30
P.31
How to Connect RAPIDA Series
Various Settings of RAPIDA
Various Settings of RAPIDA PRO
Heat Sink
Troubleshooting of RAPIDA Series
RAPIDA PRO Hierarchical Chart of Functions
Setting Examples of RAPIDA PRO by Category
3
Features
• Features the latest MOS-FET (SOP) components, which allow
powerful braking as well as a forward function.
• Advanced control circuitry using a 4-layer board that allows highdensity mounting of electronic components.
• Utilizes an MPRS*1 system, which has proved very successful in
large-current circuits, for compactness and high performance.
• With AGCS*2, Schottky diodes are no longer necessary, and motor
voltage loss during pulse drive is reduced to 1 percent. This results in
a longer run-time and prevents the heat generated by FETs.
• Smooth frequency control allows settings to be adjusted flexibly.
• AWG14 silicone cables, for flexibility and large currents, are used.
(JRM connector specifications)
• Gold-plating is used for all electrical connectors for extremely low
contact resistance.
• Outstanding energy-saving performance can be achieved by setting
the power limiter function to an appropriate value
• Includes a high-capacity state-of-the-art low impedance capacitor to
minimize electrical noise.
• Improved receiver and servo power allow the RAPIDA series to
handle a high torque servo.
• Improved throttle output resolution for more stable operation.
RAPIDA
• The RAPIDA offers 20 high-performance surface-mounted FETs with
an ON-resistance value of 0.28 mΩ (FET standard value), amongst
the lowest in the world.
• You can choose four settings for brake frequency to adjust the
"braking feel" to just how you like it.
• You can switch neutral brake ON/OFF.
• By setting the power limit to an appropriate value, you can drive very
smoothly.
• Uses trimmer specifications for simple operation.
RAPIDA PRO
• The RAPIDA PRO offers 24 high-performance surface-mounted FETs
with an ON-resistance of 0.28 mΩ (standard value), amongst the
lowest in the world.
• Outstanding energy-saving performance can be achieved by setting
the power limiter function to an appropriate value.
• With the addition of an indicator function, a variety of settings and
measurement can be made using only the body of the ESC.
4
• Equipped with a variety of measuring functions for visual confirmation
of optimum settings.
*1 MPRS: Mental Plate Radiation of heat Structure
MPRS is a hybrid structure in which current is conducted not only through a
copper foil on the printed board but also through a metal plate, for optimum
configuration of FETs.
* 2 AGCS: Advanced Gate Control System
AGCS is a groundbreaking system that dramatically reduces losses during
pulse drive by dynamically controlling FET gates (ON-OFF) according to motor
speed (RPM). (PATENT PENDING)
Specifications
• RAPIDA
Power supply
Maximum current
ON resistance
Compatible motors
Dimensions
Weight (ESC unit)
Regulator for receiver/servo
6-cell battery (NiCd, NiMH, etc.)
Max. current of battery
0.28 mΩ (FET standard value)
Any
W37.4 x D27.5 x H18.0 (excl. projection)
28.8 g
6V 3A output
• RAPIDA PRO
Power supply
Maximum current
ON resistance
Compatible motors
Dimensions
Weight (ESC unit)
Regulator for receiver/servo
6-cell battery (NiCd, NiMH, etc.)
Max. current of battery
0.23 mΩ (FET standard value)
Any
W37.4 x D27.5 x H18.0 (excl. projection)
29.6 g
6V 3A output
5
Part Names And Wiring
Part names
• RAPIDA
Power cable for
FET servo (yellow)
Brake rate
Power limit
Drive frequency
When a normal servo is
used, this cable is not used.
Aluminum top seal
Receiver connector
Power switch
Left function switch
Center function switch
Right function switch
• RAPIDA PRO
Power cable for
FET servo (yellow)
When a normal servo is
used, this cable is not used.
Bar LED
Aluminum top seal
7-segment
LED
Receiver connector
Power switch
Left function switch
Center function switch
Right function switch
6
Wiring
WARNING
To avoid the risk of fumes, fire or burns
Take care not to make mistakes with battery polarity. Also, make sure to
connect the included noise-suppression capacitor to the motor. If not, you
may damage the ESC.
• Using connectors
Battery
Connect to NiCd and NiMH batteries
Motor
Connect the included
capacitor to the
motor as shown in
the diagram below.
Connect to a motor
• Without connectors
Battery
BAT
Schottky diode (Make sure the polarity
is correct.) When the energy-saving mode
MOT
NOTE When soldering cables, use a
soldering iron with a high wattage
rating (as high as 60 watts) and
complete the work in a short period of
time. If soldering work is conducted
over a long period time using a low
wattage soldering iron, electronic
components inside may be damaged.
is used that is described on pp.
14 and 22
Motor
Capacitors
BAT
MOT
Connect the included capacitor to
the motor as shown in the diagram.
* Even when a capacitor is already attached to a motor, attach the included capacitors.
(three spots: between the + terminal and - terminal, between the + terminal and the motor
case, and between the - terminal and the motor case)
7
Part Names And Wiring
Receiver connector
WARNING To avoid the risk of fumes, fire or burns
Do not change wiring before disconnecting the battery. Also, take care not to
make mistakes with the polarity of wiring, otherwise you may damage the
ESC, receiver or servo. Take particular care of the servo and receiver since
these cannot be repaired by KEYENCE.
Insert the receiver connector pin according to the directions of the maker of the
receiver you are going to use. According to the diagram, orient the connectors
properly and connect them to connector pins in such a way that the connector pin
latch stays in the opening of the connectors. Be careful not to make mistakes.
Connecting cables incorrectly or inserting connectors in reverse may cause
damage to the servo and receiver.
If you use a receiver by a manufacture other than those listed below, contact your
distributor or KEYENCE.
Receiver
manufacturer
Shape of
connector insert
port
(receiver side)
Old SANWA
Old KO
Take care not to
insert in reverse.
FUTABA
New KO
No need to
change it.
New SANWA (Z connector)
JR
Take care not to
insert in reverse.
Wiring
Cut here.
Cut here.
Red
White
Black
White
Black
Red
* To lock the connection, the connector (the resin
part) of this type has barbs inside but not on the
connector pins (the metal contacts). When you
pull cables out of the connector, you should lift
the connector's lip by using sharp point like
cutter or needle and pull out. When you insert,
you should turn the snagging side (the concave
side) of the connector pins (the metal contacts)
up and push them until you hear a "click".
CAUTION
8
Take care when you
handle the needle or cutter.
White
Black
Red
Insert this side up
(For information on RAPIDA PRO, see p. 16.)
9
Setting Up Functions
WARNING
Before performing settings for each function,
make sure to disconnect the motor or to keep the vehicle
suspended in the air.
Switches on the side of the main body
Left function switch
Center function switch
Right
function
switch
1. Setting the transmitter throttle position
If the throttle position of the transmitter is not set properly, various settings
following the position setting may be inaccurate. Make sure the setting is right.
10
1
Press the center function switch
for four seconds.
2
Red and green LEDs blink.
3
Set the transmitter trigger to the neutral
position and press the right function switch.
4
Green LED blinks.
5
Set the transmitter trigger to the high point
position and press the right function switch.
6
Red LED blinks.
7
Set the transmitter trigger to the brake high
point position and press the right function
switch.
8
Settings are complete and the red
and green LEDs blink at the neutral position.
9
As you pull the trigger of the transmitter,
the LED goes off once, and then the green
LED turns on at the high point position.
Setting Up Functions
10
When you push the trigger of the transmitter
to the brake side, the LED goes off once,
then the red LED turns on at the brake high
point position.
2. Brake frequency settings
Adjust the feel of the brake during operation. The lower the numeric value, the
more strongly the brake operates. The higher the value, the more smoothly the
brake works.
1
2
Press the left function switch
for four seconds.
The display passes through four stages
from the turning off of the green LED to the
turning on of the green LED, according to
the current brake frequency.
Set the frequency you want by
using the right function switch.
3
4
Frequency
2 kHz
4 kHz
6 kHz
8 kHz
Green LED Brake feel
Strong brake operation
Off
Blinking
Blinking
Smooth brake operation
On
If you press the left function switch,
the frequency is set and recovered.
3. Neutral brake settings
Set the degree to which brakes are applied in the case where the trigger is in
neutral. (0 to 70 %)
1
Turn off the ESC power switch once.
2
Turn on the power switch while
pressing the right function.
11
Setting Up Functions
3
4
5
The neutral brake is ON when the
ESC returns to normal operation
while the red LED is blinking.
The neutral brake is OFF when the
ESC returns to normal operation
while the green LED is blinking.
Red LED
flashing
= ON
Green LED
flashing
= OFF
By repeating this same action, the neutral brake switches ON and OFF in turn.
Since the mode is registered, there is no need to reset it.
* It is turned off in the case of a general ESC.
4. Frequency adjustment function
Adjust the frequency response at the forward side. Setting a numeric value low
results in low to medium speed and high torque. Setting a numeric value high
results in high speed and low torque.
NOTE
Trimmer can only rotate 240 degrees.
Do not try to force it more than this.
• You can adjust the frequency from 1 kHz to
15kHz, according to the "feel" you desire.
Low numeric value Low to medium speed,
high torque
High numeric value High speed, low torque
Frequency
adjustment trimmer
• By changing the position of the trimmer, the
frequency changes to linear adjustment,
allowing more detailed settings.
5. Power limit adjustment function
With this function, the largest current can be controlled for the sake of enhancing
fuel efficiency. Lowering a value can reduce initial torque, preventing wheel-spin.
Using this function with the dash power mode (see no. 6) enables sharp starting
up.
NOTE
Trimmer can only rotate 240 degrees.
Do not try to force it more than this.
• By adjustment the power limit, it is
possible to drive on slippery surfaces and
to extend the run-time of the vehicle.
Power limit adjustment trimmer
12
Setting Up Functions
Power
Trimmer 100%
100%
Trimmer 50%
50%
Time
• The higher the power limit value
(closer to 100%), the higher the
electric current that flows in the
motor.
• Lowering the trimmer value
effectively controls the starting
up power and the level of
traction. Lowering the trimmer
value also extends the run-time.
* The dash power mode is not available in the case of 100 %.
* The setting value is common for the entire operating range of the trigger
(the forward side).
6. Dash power mode
This function can be used to override the power limit for the first throttle action at
the time of starting up. This allows faster starting up.
This mode is not available when the power limit (see no. 5) is 100 %.
NOTE
If the ESC is subject to electrical noise, there is a danger
that the noise is interpreted as the first throttle action,
thereby deactivating dash power mode by mistake.
1
Turn the transmitter switch on and press the center
function switch for four seconds. The LED then starts
blinking. (Same as setting mode.)
2
Lift your hand from the function switch and
wait until the LED stops blinking. (It takes
approximately 10 seconds).
➞ LED blinks red and green in turn.
This procedure above causes the dash power mode to be in a standby state.
7. Brake rate adjustment function
This function allows the breke to work more strongly with less trigger operation.
Driving can be made smoother by setting the brake adjustment value according
to the specific road conditions.
NOTE
Trimmer can only rotate 240 degrees.
Do not try to force it more than this.
• Adjusting the brake rate can result in higher
torque braking.
Brake rate adjustment trimmer
13
Setting Up Functions
Brake
level
100%
Brake
level
Max. brake adjustment
100%
Min. brake adjustment
Max. brake adjustment
Min. brake adjustment
Brake trigger amount
0%
Neutral
Brake
Brake trigger amount
0%
Neutral
Brake high point
Operation without neutral brake
Brake
Brake high point
Operation with neutral brake
When the neutral brake is off (see no. 3), the minimum brake level can be adjusted by changing
the set value of the brake adjustment trimmer. At the minimum setting, the brake value changes
linearly according to the trigger value. As the setting reaches a maximum, the minimum brake
value changes up to about 70% of the maximum brake value. If you need stronger braking than
this, set to the appropriate value by gradually increasing the setting from the minimum value.
8. Energy saving mode (abbreviation: EnSA)
1
Turn off the amplifier power switch once.
2
Press and hold the left function switch while
turning on the power switch.
3
If the unit returns to normal operation with the
red or green LED flashing, the Energy Saving
Mode is on. If the unit returns to normal
operation with the red or green LED
illuminated, the Energy Saving Mode is off.
4
5
Repeating the same action turns the neutral brake on and off alternately.
The mode, once set, is stored in memory, so you don’t have to set the same
mode again.
Energy Saving Mode
Neutral Brake
(see no. 3)
ON
ON
OFF
Green Green
flashes ON
Red
OFF Red
flashes ON
Energy Saving Effect
Great
Small
Motor Noise Influence
High
Low
Schottky Diode
Not
Required required
The Energy Saving Mode should
generally be turned on, but turning off
the Energy Saving Mode may help
achieve more stable
performance, depending the type of
motor and its degree of deterioration.
If the motor has deteriorated, turning
off the Energy Saving Mode enables
more stable operation.
Malfunctions caused by noise may be
avoided with the Energy Saving
Mode turned off.
Various Settings
Output on throttle operation is shown in the graph below.
(with neutral braking)
Transmitter rate
Analog
TRIGGER POSITION
100%
100%
Minimum
brake point
Setup with
brake rate
0%
2, 4, 6, or 8 kHz
Set brake frequency
BP
Brake high point
Power limit
1-15 kHz
Set drive frequency
Energy saving
NP
Neutral
Drive output ratio
Brake output ratio
Fix neutral width
0%
HP
Normal high point
1. For full-torque driving, set frequency rather low, to around 1.0-2.0 kHz.
2. For smooth driving, set frequency rather high, to around 8.0-14 kHz.
3. As you increase frequency, driving is smoother but the amount of heat
generated in the electric circuitry increases. When using a high-powered motor,
we recommend that you limit the frequency of the drive brake to 10 kHz.
4. The energy saving circuit is particularly effective for driving at low and medium
speed. However, effectiveness depends on the type of motor, gear ratios and
drive frequency. If the drive frequency is too low, the energy saving circuit does
not work well. On the other hand, if the drive frequency is too high, the loss due
to internal heat generation becomes too high. So, generally, the frequency
range for energy saving is around 3.0-12.0 kHz, according to the settings for
the vehicle.
5. For frequency settings, if the starting speed torque is not high enough, increase
the value of minimum drive power.
6. If the brake doesn't work well, increase the value of minimum brake power.
(For information on RAPIDA, see p. 9.)
Function Indicators (settings are explained from p. 20)
Pressing the left or right function switch changes the display on the
indicator. (Hereinafter, "switches" shall mean the function switch on the main body.)
Switches on the side of the main body
Left function switch
Center function switch
Main
The items displayed by
the 7-segment LED are as follows.
Main
(LED)
Frequency
Save
TEMP
(temperature)
1
2
3
4
5
6
7
VOLT
FRQ. (frequency) (voltage)
Right
function
switch
SAVE
(recording)
Power limit
(*)
Load
Voltage
LOAD (reading)
P.L. (power limited) TIME
(measuring time)
Temperature
Time
* The numerals are numbers in
the LED chart to the left.
When the switches are turned on, "HELLO" is indicated, followed by
the MAIN LED (the left end) illuminating in red (ready for driving). Also,
pressing the center function switch on the side of the main body here
allows the device to become ready for various settings.
1. Main Display
This indicates the current output as a percentage. (The display changes
automatically according to the change in the number of LED bars displayed.)
LED main, red lamp is on.
n
neutral
Normally displays 0P (percent); current value is
displayed when adjusting the neutral brake setting.
d
drive (forward)
Displays values up to 100P (percent) according to
the change in the LED bars.
b
brake
Displays values up to 100P (percent) according to
the change in the LED bars.
2. Frequency (F.R.Q.) display
This indicates the currently set frequency in kHz.
LED (1) is on.
Fd drive frequency
Adjust the frequency response at the forward
side. Setting a numeric value low results in low to
medium speed and high torque. Setting a
numeric value high results in high speed and
low torque.
Displays values between 0.1 and 20.0
(100 to 20000 Hz).
Function Indicators (settings are explained from p. 20)
br
brake frequency
Adjust the feel of the brake during operation.
The lower the numeric value, the more
strongly the brake operates. The higher the
value, the more smoothly the brake works.
Displays values between 0.1 and 20.0.
3. Power limit (P.L.) display
Displayed values are in units of %.
This indicates the current power limit value. Lowering the value can reduce initial
torque, preventing wheel-spin. Using this function with the dash power mode
(see 3-2, p. 24) enables sharp starting up.
LED (2) is on.
* The largest current can be controlled for the sake of
enhancing fuel efficiency with this function.
* The higher the value, the larger the amount of
flowing current becomes. Lowering the value can
reduce initial torque, preventing wheel-spin.
* Using this function with the dash power mode (see
3-2, p. 24) allows the power limit to be removed only
at the time of starting up, enabling sharp starting up.
4. Battery voltage (VOLT) display
This indicates the current value of battery voltage (unit: VOLT). (The value is
higher before driving; lower after driving.) This value can be used as a yardstick
to assess battery condition. If this value remains low even after recharging,
the battery is effectively dead.
Yardstick voltage values when using
LED (3) is on.
7.2 V NiCd and NiMH
(8 V or higher) High Battery can be effectively used.
(6.8 V or lower) Low Battery is depleted or dead.
5. Measuring time (TIME) display
This indicates the amount of time from the moment when power is turned
ON or from the moment the trigger is pulled after reset, until the time the
voltage falls to the set value. Displaying the time measured enables you to
check the battery condition.
To perform a reset, press the center function switch for four seconds.
1. If different kinds of batteries are used in the same vehicle, these values can
be used to decide which batteries have the longest running time.
2. If the same kinds of batteries are used in multiple vehicles, these values can
be used to find out the influence of different settings on vehicle run-time.
LED (4) is on.
Reset by pressing
the center function switch
for four seconds.
6. Internal temperature (TEMP) display
LED (5) is on.
This indicates the current internal temperature.
By pressing the center function switch,
the display switches between units of
Centigrade (C) and Fahrenheit (F).
* The value may be affected by the road surface
temperature.
* We recommend that, as a general rule, you dissipate
heat when temperature gets over 100C (210 F).
7. Program load
LED (6) is on.
This is the setting used to call up a program.
8. Program save
LED (7) is on.
This setting is used for saving the original program.
(Up to four patterns can be saved.)
Setting up Functions
WARNING
Before performing settings for each function, make sure to
disconnect the motor or to keep the vehicle suspended in the air.
1. Setting the transmitter position
NOTE
If the throttle position of the transmitter is not set properly, various settings
following the position setting may be inaccurate. Make sure the setting is right.
When the display is in the main mode, press the center function switch on
the side of the main body. You can then perform a variety of settings by
switching the displays using the left and right function switches.
Main LED blinks.
1-1 Setting transmitter throttle position
nutr
dfHP
brHP
neutral
drive (forward) high point
brake high point
When in SET display mode, press the center
function switch for four seconds.
The display will then switch to nutr (neutral).
Match the transmitter trigger to the position of
neutral, and press the right function switch on the
side of the main body.
The display will change to drHP (drive, high point).
Match the transmitter trigger to the high point
position and press the right function switch on the
side of the main body.
The display will change to brHP (brake, high point).
Match the transmitter trigger to the high point
position and press the right function switch.
Settlings are complete and the display returns to SET display mode.
1-2 Setting neutral width
Press the right function switch in SET display mode. Set the width of
allowance in the neutral position for the trigger operation.
Start moving the trigger at its stationary position in the case of both the
forward and brake directions, and then set the position where signals are
transmitted to the motor.
The transmitter trigger performs a count-up on the
drive side and a count-down on the brake side.
Set the values you want using the transmitter.
When you determine the setting value, press the
right function switch.
1-3 Setting minimum drive power
Set the initial starting up power at the time of pulling the trigger. (0 to 70 %)
The transmitter trigger performs a count-up on the
drive side and a count-down on the brake side.
Set the values you want using the transmitter.
When you determine the set value, press the right
function switch.
1-4 Setting minimum brake power
Set the initial brake power at the time of applying the brakes. (0 to 70 %)
The transmitter trigger performs a count-up on the
drive side and a count-down on the brake side.
Set the values you want using the transmitter.
* If the initial values set for both drive and brake power
are extremely high, motor output width for trigger
operation on the transmitter side will decrease.
* Units used for 1-2 to 4 are P (percent).
1-5 Setting neutral brake power
Set the degree to which brakes are applied automatically when the
trigger is set back to neutral.
The transmitter trigger performs a count-up on the
drive side and a count-down on the brake side.
Set the values you want using the transmitter.
* The neutral brake is turned off in the case of a
general ESC.
Setting Up Functions
1-6
Engine brake ON/OFF
This setting performs dummy engine braking, which effectively applies
brakes according to the amount of trigger recovery of the transmitter.
Set to ON/OFF using the transmitter. The transmitter
trigger turns ON on the drive side and OFF on the
brake side.When values are set, press the center
function switch and complete the procedure.
* Brakes are applied according to the amount of trigger
recovery of the transmitter in this system.
* The engine brake is turned off in the case of a general
ESC.
1-7
Energy saving mode (abbreviation: EnSA)
EnSA
Energy Saving
Motor Noise
Schottky Diode
100%
70%
30%
0%
Maximum
Minimum
Larger
Smaller
Required
* The energy saving mode is always at 100% while engine braking is on.
• The transmitter trigger performs a count-up on the drive side and a count-down
on the brake side. The setting can be selected from the four patterns above.
When you determine the set value, press the right function switch.
• Use the EnSA mode at 100% for normal operations. However, adjusting the
EnSA level will ensure more stable operations depending on the type of motor
and its deterioration level.
• When the motor has deteriorated, set the EnSA level to "0" to stabilize the
operation.
• When malfunctions are caused by noise, lowering the EnSA level may alleviate
the problem.
* When using the EnSA mode with a setting other than 100%, attach the
Schottky diode to the motor. (Not required at the 100% setting.) (See p. 7.)
WARNING
Before performing settings for each function, make sure to
disconnect the motor or to keep the vehicle suspended in the air.
2. Setting frequency
When in frequency display mode (see no. 2, p. 17), press the center function switch.
You can then perform various settings by switching display using the left and
right function switches.
Ex. Displayed values are in units of 1000 Hz.
4.1 = 4100 Hz
LED (1) blinks.
2-1 Drive frequency
Adjust the frequency response at the forward side. Setting a numeric value low
results in low to medium speed and high torque. Setting a numeric value high
results in high speed and low torque.
The transmitter trigger performs a count-up (frequency
increases) on the drive side and a count-down
(frequency decreases) on the brake side. Set the values
you want using the transmitter. When you determine the
set value, press the right function switch.
2-2 Brake frequency
Adjust the feel of the brake during operation. The lower the numeric value,
the more strongly the brake operates. The higher the value, the more
smoothly the brake works.
The transmitter trigger performs a count-up on the drive
side and a count-down on the brake side. Set the values
you want using the transmitter. When you determine the
set value, press the right function switch.
2-3 Neutral brake frequency
You can set the brake level when using a neutral brake.
The transmitter trigger performs a count-up on
the drive side and a count-down on the brake
side. Set the values you want using the
transmitter. When you determine the set value,
press the center function switch.
Setting Up Functions
3. Setting the power limit and dash power mode
When in power limit display mode (p18, 3), press the center function switch.
You will then be able to perform various settings related to power limit and dash
power mode by switching the display using the left and right function switches.
LED (2) blinks.
3-1 Setting power limit
Lowering the value can reduce initial torque, preventing wheel-spin.
When in power limit display mode, press the center
function switch. LED (2) starts blinking and the
display automatically alternates between Po-L (power
limit) and the value (%) in turn. (Power limit setting
display) At this point, you can switch between setting
power limit and setting dash power mode by pressing
either the left or right function switch. When power
limit setting is displayed, the transmitter trigger
performs a count-up on the drive side and a countdown on the brake side. Set the value you want using
the transmitter. When you determine the set value,
press the right function switch.
3-2 Dash power mode
This function raises the power limit from the first trigger action at starting time,
which helps to start up quickly.
While in dash display mode, press the center function switch for four seconds. You will
then be in dash power mode. Check if the dash and limit value (LXXP = limit XX%)
appear in turn, as shown in the diagram, when power limit display mode returns. If so,
setting is completed. * If the display shows L100P, no effect will be observed.
4. Setting voltage level for time measurement
When in voltage level for time measurement, press the center function switch. To measure
time, start from the state where the trigger is pulled, then stop when the battery voltage
reaches the set level. You can set the battery voltage when time measurement stops.
LED (3) blinks.
To measure time, start from the state where the trigger is pulled, then stop when the
battery voltage reaches the set level. You can set the battery voltage when time
measurement stops. When you have determined the setting value, press the center
function switch. Measurement stops as soon as the voltage drops below the set
voltage value, even for just a moment. When the battery is running down, the
ordinary voltage value of 7.2 V may drop momentarily due to motor speed
fluctuation. For this reason, set to about 3-5 V.
5. Program load
This function can be used to call up both initial (default) settings and custom settings.
The RAPIDA PRO offers a total of seven types of programs. You can change programs in P1
to P4 by program save. In P5 to P7, the original (default) programs are stored in advance.
* It is possible to load and call up an original (default) program, make a change to it, save it,
and then reuse it as a custom program.
* Set by default at the factory as P5.
• When in load display mode, press the center
function switch. LED (6) starts blinking. Then, set
the number of the program you wish to load by
using either the left or right function switch. Then
press the center function switch for four seconds.
• When the program loading is complete, "End" will
be displayed.
6. Program save
You can save custom programs according to road and vehicle conditions.
Changed (custom) programs can be saved from P1 to P4.
• When in save display mode, press the center
function switch. LED (7) starts blinking. Then, set
the number of the program you wish to save by
using either the left or right function switch. Then
press the center function switch for four seconds.
• When the program loading is complete, "End" will
be displayed.
* Except for program mode, when you turn the power ON, all previous settings (transmitter
position, frequency, etc.) are restored.
Various Settings
Output on throttle operation is shown in the graph below.
(with neutral braking)
nutr
neutral width
nubr
b_Po
d_Po
neutral brake
minimum brake point
minimum drive point
Variable area
0-70%
TRIGGER POSITION
100%
100%
nutr
Neutral width
b_Fr
Brake frequency
0.1-20 kHz
b_Po
Minimum
brake point
0%
Po_L
Power limit
brHP
Brake high point
d_Fr
Brake frequency
0.1-20 kHz
Energy saving,
engine brake
nubr
Neutral brake
nP
Neutral
Drive output ratio
Brake output ratio
nb
Neutral brake
frequency
0.1-20 kHz
d_Po
Minimum
drive point
0%
drHP
Normal high point
1. For full-torque driving, set frequency rather low, to around 0.5-2.0 kHz.
2. For smooth driving, set frequency rather high, to around 8.0-14 kHz.
3. As you increase frequency, driving is smoother but the amount of heat
generated in the electric circuitry increases. When using a high-powered motor,
we recommend that you limit the frequency of the drive brake to 15 kHz.
4. The energy saving circuit is particularly effective for driving at low and medium
speed. However, effectiveness depends on the type of motor, gear ratios and
drive frequency. If the drive frequency is too low, the energy saving circuit does
not work well. On the other hand, if the drive frequency is too high, the loss due
to internal heat generation becomes too high. So, generally, the frequency
range for energy saving is around 3.0-12.0 kHz, according to the
settings for the vehicle.
5. For frequency settings, if the starting speed torque is not high enough, increase
the value of minimum drive power.
6. If the brake doesn't work well, increase the value of minimum brake power.
7. When you turn the engine brake ON, the speed suddenly changes to match the
transmitter trigger. You can use this as you like.
Default Values (manufacturer's setting values) (RAPIDA PRO)
Neutral width
Minimum drive power
Minimum brake power
Neutral brake
Engine brake
Drive frequency
Brake frequency
Neutral brake frequency
Power limit
Battery voltage for
time measuring
P5'
9%
10%
10%
0%
––
1.5 kHz
2.0 kHz
2.0 kHz
100%
P6'
7%
7%
7%
0%
––
5.0 kHz
4.0 kHz
4.0 kHz
100%
P7'
5%
3%
3%
0%
––
9.5 kHz
5.0 kHz
5.0 kHz
100%
4.0 V
4.0 V
4.0 V
P5': High-torque setting (factory default setting)
By setting the drive frequency to a low value, this setting enhances the
trigger pick-up in the low speed range.
This is a good setting to use when vehicle tires have a good grip.
P6': Standard setting
Frequency of ESC is set to a standard value that provides even performance
from low to high speeds.
P7': Smooth setting
Frequency is set to handle subtle throttle work from medium to high speeds.
Installing A Heat Sink (radiating fin)
WARNING
To prevent fumes, fire or burns
Electricity flows through the copper plates in the upper part of the ESC.
If you install a heat sink, electricity may flow through it, so do not allow
other cables or metal parts to make contact with the heat sink.
When running a car outdoors directly under the sun, or if you are using
a high-torque motor, installing a heat sink enables more stable
operation. Mount the heat sink as described below:
1. Remove the aluminum sticker at the top of the ESC housing.
2. A metallic plate is exposed.
3. Remove dust from the plate surface.
4. Attach the double-sided tape (included) to a heat sink (the thin tape)
5. Attach the heat sink securely to the metal plate of the ESC.
(To improve radiation, apply a 2-gel type epoxy resin adhesive instead of the
double-sided tape. Knead the gels well and apply a light coat of it to the heat sink.
Attach the heat sink to the metallic plate and fix them until the adhesive dries.
Note that you cannot remove the heat sink once you attach it.)
Troubleshooting
Symptom
Cannot set
"High point".
Brake fails.
Both motor and
servo do not work.
Cause
Reset transmitter throttle setting to normal before setting "High point".
Improper setting of ESC Set "High point" position to 90% of full throttle. (See pp. 10 and 20.)
Improper transmitter setting
Power limit value too low
Improper setting of ESC
Improper transmitter setting
Bad contact with battery
Improper wiring of receiver
Receiver failure
Transmitter failure
Bad contact with receiver connector
ESC failure by noise, shock, short or reverse connection
Incorrect setting of ESC
Motor does not
work but servo
works.
ESC gets too hot.
Reduced
acceleration.
Car operates
improperly.
Motor failure
Bad contact with battery
Bad contact with receiver connector
ESC failure by noise, shock, short or reverse connection
Damage to electrolytic capacitor caused by noise
Input voltage too high
Insufficient cooling
Driving load too high
Drive frequency too high
Improper setting of ESC
Power limit value too low
Bad contact of battery cable or motor cable
Failure of motor capacitor
Bad receiver position
Transmitter/receiver affected by motor noise
Affected by noise caused by incorrect wiring
Power cannot
be turned on.
Bad contact with receiver connector
Damage to switch
The motor runs
ESC failure by noise, shock, short or reverse connection
regardless of whether
the power is ON or OFF.
28
Remedy
Reset transmitter throttle setting to normal before setting "High point".
Set "High point" position to 90% of full throttle. (See pp. 10 and 20.)
Correct transmitter throttle setting. (See pp. 10 and 20.)
Increase power limit value. (See pp. 12 and 24.)
Reset transmitter brake (reverse) setting to normal before setting
"Brake high point".
Set "Brake point" position to 90% of full throttle. (See pp. 10 and 20.)
Correct transmitter brake setting. (See pp. 10 and 20.)
Check that contact with battery is good. (See p. 7.)
Check wiring of receiver and servo. (See p. 8.)
Replace crystal or request repair.
Replace crystal or request repair.
Check whether the pins of the receiver connector are broken, bent or
improperly inserted.
Request repair.
Setup ESC again from the beginning. (Make sure to set transmitter
position accurately before doing this.) (See pp. 10 and 20.)
Replace motor.
Check that battery and cables are properly connected. (See p. 7.)
Check that Rx connector pins are not broken.
Request repair.
Request repair.
Use 6-cell power supply.
Attach radiating fin to improve air flow and heat radiation.
Adjust drive system to work smoothly.
Lower drive frequency. (See p. 23.)
Setup ESC again from the beginning. (Make sure to set transmitter
position accurately before doing this.) (See pp. 10 and 20.)
Increase power limit value. (See pp. 12 and 24.)
Check that they are connected properly. (See p. 7.)
Replace motor capacitor. (See p. 7.)
Keep receiver as far from battery or ESC as possible.
Request repair from the maker.
Wire silicone cables in such a manner that they are not located
on the receiver side.
Check whether the pins of the receiver connector are broken, bent or
improperly inserted.
Request repair.
Request repair.
29
RAPIDA PRO Hierarchical Chart of Functions
Setting mode
Indication
mode
(motor does not run)
(motor runs)
Neutral setting
Current output is
indicated.
Forward high
point setting
Brake high
point setting
Neutral width
Minimum
drive power
Minimum
brake power
Neutral brake
Engine brake
Default
Adjusted
by transmitter
Frequency
indication
Adjusted
by transmitter
Adjusted
by transmitter
Drive frequency
Power limit
indication
Power limit
Adjusted
by transmitter
Brake frequency
Neutral brake
frequency
Adjusted
by transmitter
Adjusted
by transmitter
Dash mode
Adjusted
by transmitter
Adjusted
by transmitter
Adjusted
by transmitter
Switches on the
side of the main body
Battery voltage
indication
Measurement
time indication
Adjusted
by transmitter
Reset
Internal
temperature
indication
In Celsius
Program load
Program save
In Fahrenheit
Mode
selection
Ready for/
complete
setting
Mode
selection
Next
function
* 4© means pressing and holding
switch © for four seconds.
* Pressing © is the same as pressing L
and R simultaneously.
Typical Settings of RAPIDA PRO by Category
Touring car
Touring car
Touring car
540 motor
specifications
Stock motor
specifications
Modified motor
specifications
Typical Settings
Neutral width
7%
Typical Settings
Neutral width
5%
Typical Settings
Neutral width
5%
Minimum drive power
40%
Minimum drive power
20%
Minimum drive power
18%
Minimum brake power
50%
Minimum brake power
15%
Minimum brake power
15%
Neutral brake
0%
Neutral brake
0%
Neutral brake
0%
Engine brake
OFF
Engine brake
OFF
Engine brake
OFF
Drive frequency
1.0 kHz
Drive frequency
2.2 kHz
Drive frequency
4.1 kHz
Brake frequency
0.5 kHz
Brake frequency
2.0 kHz
Brake frequency
2.0 kHz
Neutral brake frequency
2.0 kHz
Neutral brake frequency
2.0 kHz
Neutral brake frequency
2.0 kHz
Power limit
100%
Power limit
100%
Power limit
100%
Battery voltage for time
measurement
5.0 V
Battery voltage for time
measurement
5.0 V
Battery voltage for time
measurement
5.0 V
Formula (F201)
1/12 racing
Typical Settings
Neutral width
3%
Off-road car
Typical Settings
Neutral width
12%
Typical Settings
Neutral width
7%
Minimum drive power
40%
Minimum drive power
0%
Minimum drive power
15%
Minimum brake power
10%
45%
Minimum brake power
0%
Minimum brake power
Neutral brake
5%
Neutral brake
0%
Neutral brake
0%
Engine brake
OFF
Engine brake
OFF
Engine brake
OFF
Drive frequency
12.0 kHz
Drive frequency
15 kHz
Drive frequency
2.2 kHz
Brake frequency
1.5 kHz
Brake frequency
15 kHz
Brake frequency
1.0 kHz
Neutral brake frequency
2.0 kHz
Neutral brake frequency
2.0 kHz
Neutral brake frequency
2.0 kHz
Power limit
100%
Power limit
100%
Power limit
100%
Battery voltage for time
measurement
5.0 V
Battery voltage for time
measurement
3.6 V
Battery voltage for time
measurement
5.0 V
Repair Conditions
1. Parts that can be repaired:
• Internal electronic circuitry
(Damage caused by incorrect connection or operation is not covered by the warranty.)
2. Note that the ESC will not be repaired in the following cases:
• If the ESC housing has been opened
• If a power supply other than the designated 6-cell battery (7.2 V) is used
• If wiring has been modified in order to use a different power supply
3. KEYENCE assumes no responsibility for damage to the receiver or servo caused by incorrect connection of the ESC.
4. Note that if the repair card is not properly filled out, repair and return of the ESC may be delayed.
Warranty
Item
Ultra-small digital speed controller
RAPIDA Series
Purchase (Y/M/D)
date
Warranty
term
Manufacture
no.
/
/
3 months from purchase date
Address
Tel. no.
Name
Note that if the date and location of ESC purchase are not entered on the warranty card, you will be
charged for repairs even within the warranty term.
If a failure occurs within three months of purchasing the ESC, write the symptoms of the problem and
operating conditions on a separate sheet. Request repair of the ESC from either the distributor where
you purchased the product or directly from KEYENCE (Service Section of the Hobby Department).
Repair card
1. Symptoms
Write the symptoms of the problem, giving as much detail as possible.
2. Payment method
Consent is not required if repair costs are 3,500 yen or less.
Consent required if repair costs money.
KEYENCE CORPORATION
Service Section, Hobby Department
1-3-14 Higashi Nakajima, Higashi Yodogawa-ku,
Osaka 533-8555
Tel: +81 06-6379-1191
Fax: +81 06-6379-1190
Distributor's name
(shop name, address, and tel. no.)
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