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The following „menu items" can be set:
1. Undervoltage Detection „Cut-off Voltage"
Undervoltage detection is only possible for models with LiPo batteries. Activation of this function is
recommended to prevent harmful deep discharge of the rechargeable batteries. The values to be set refer to
a voltage value per battery cell. The cell number is recognised automatically. Observe that only a fully charged
drive battery is connected.
Example: A setting of 3 V means that a 2-cell rechargeable battery would switch off the motor when
2 x 3 V = 6 V is undercut.
The following values can be set: 3 = 3.0 V (recommended); 4 = 3.2 V, 5 = 3.4 V; 6 = no undervoltage protection
(settings 1 and 2 are not possible because of the BEC-voltage of 6 V).
2. Driving Mode „Running Mode"
This is where you determine driving mode: 1 = forwards driving only; 2 = forwards and reverse driving possible,
3 = forward driving, break, reverse driving.
Switching from forwards to reverse driving (driving mode 3) does not happen at once, but with a break, to
protect the gear, wheels and battery capacity.
3. „Motor Timing"
This setting influences motor running characteristics (similar to early ignition of a combustion engine). The
following options are available: 1 = very low; 2 = low; 3 = normal (recommended for the enclosed motor);
4 = high; 5 = very high.
Setting „very low" means that the motor has a little more torque as compared to the basic settings, and a little
lower maximum speed. Setting „very high" means that the motor has a little higher maximum speed as
compared to the basic settings, and a little less torque. In both cases, the current values change however.
Therefore, also observe compliance with the motor and speed controller specifications. Also observe the
temperatures of the components named in operation.
4. Start-Up Dynamics „Initial Acceleration"
This setting adjusts initial acceleration. 1 = gentle; 2 = medium; 3 = high; 4 = very high.
5. Reverse Driving Speed „Throttle Percent Reverse"
This function can only be used if the speed controller is programmed for reverse driving (see programme step
„2. Driving mode"). Use percentages to determine the speed for reverse driving in relationship to forwards
driving. The following functions are available: 1 = 20%; 2 = 30%; 3 = 40%; 4 = 50%; 5 = 60%; 6 = 70%; 7 = 80%;
8 = 90%; 9 = 100%.
The higher the value set, the faster you can drive backwards.
6. Forwards Speed „Throttle Limit"
„Throttle Limit" sets the maximum speed your vehicle should reach when the transmitter sends full throttle. The
setting „1 = 0%" means no limitation. The setting „9 = 90%" means that maximum forwards speed is reduced
by 90%. The following settings can be made: 1 = 0%; 2 = 20%; 3= 30%; 4 = 40%; 5 = 50%; 6 = 60%; 7 = 70%;
8 = 80%; 9 = 90%.
7. Brake Control Characteristics „Percentage Braking"
Here you can set the brake effect when moving the transmitter's control lever to reverse driving from forwards
driving. The higher the value set, the stronger the brake effect. The following values are available: 1 = 10%;
2 = 20%; 3 = 30%; 4 = 40%; 5 = 50%; 6 = 60%; 7 = 70%; 8 = 80%; 9 = 100%.
8. Motor Brake „Percentage Drag Brake"
When the throttle at the transmitter is moved to the neutral position from forwards driving, the motor brake is
activated. The function corresponds to the motor braking function in a „real" car when you take your foot off
the throttle pedal. The motor brake can be programmed in seven steps. The higher the value set, the stronger
the brake effect. The following values are available: 1 = 0%; 2 = 4%; 3 = 8%; 4 = 12%; 5 = 15%; 6 = 20%;
7 = 25%, 8 = 30%.
9. Rotating Direction Reversal „Motor Rotation"
This function changes the rotating direction of the motor without swapping the cables between the speed
controller and the motor. You may choose between: 1 = regular rotating direction, 2 = reversed rotating
direction.
10. „Neutral Range"
The so-called „neutral range" setting makes it possible to set the neutral position range of the transmitter (the
section of the throttle/brake lever path to be recognised as neutral position). The lower the value set, the more
sensitive will the motor control react around the throttle lever neutral position of the transmitter. The following
values are available: 1 = 2%; 2 = 3%; 3 = 4% (recommended); 4 = 5%; 5 = 6%, 6 = 10%.
Connection to the Receiver
• Connect the three-pin plug of the speed controller to the corresponding channel of the receiver. Make sure
the assignment on the receiver is correct (see operating instructions of the receiver as well as the information
on the receiver).
Yellow/white/orange cable:
Control signal
Red cable:
Operating voltage
Brown/black cable:
GND/Minus
• The speed controller has a BEC. The receiver is powered directly through the speed controller by the drive
battery. If the BEC is used as power supply of the receiver system, no receiver battery or rechargeable battery
must be used!
Important!
If a separate receiver is to be used instead of the integrated BEC, the middle, red, wire of the three-
pole receiver plug of the speed controller must be interrupted and insulated. If this is not observed,
the speed controller will be destroyed! Loss of guarantee/warranty!
Operating Information
Note:
When switching between forward and reverse driving, the throttle lever must be put in neutral position briefly
(approx. 2 seconds).
If the throttle lever is shifted directly from forwards to reverse, the speed controller's brake will be activated (the
vehicle will NOT go backwards!).
If the driving function or brake function is opposite to the movement of the throttle lever at the transmitter,
activate the reverse function at the transmitter or swap any two of the three motor cables.
The speed controller is only ready to run when the orange LED remains lit and the motor has signalled a sound
sequence. If this is not the case (red and orange LED remain lit), throttle trimming at the transmitter is mis-
adjusted in most cases, or neutral position must be re-programmed.
The orange LED on the speed controller flashes to signal overtemperature of the speed controller (see
„technical data"). In this case, stop driving at once and check, e.g. the transmission of the drive and the function
of the fan on the speed controller.
If the red LED flashes, the speed controller recognised undervoltage of the vehicle battery. In this case, stop
driving at once and charge the vehicle battery.
End of Operation
• First switch off the speed controller (put switch in the „OFF" position).
• Disconnect the battery from the speed controller.
• Now switch off the transmitter.
Disposal
Dispose of the product according to the applicable statutory provisions at the end of its service life.
Technical Data
Speed controller:
Cell number NiMH: ...................................... 6 - 10
Undervoltage recognition NiMH: ................. no
Number of LiPo cells: ................................... 2 - 3
Undervoltage recognition LiPo: ................... 2.6 V / 2.8 V / 3.0 V / 3.2 V / 3.4 V per cell / can be deactivated
Continuous current (max. 5 min): ................ @7,4 V:
Short-term current (30 sec): ......................... @7,4 V:
Current (max 1 sec): .................................... @7,4 V:
Continuous current (max. 5 min): ................ @11,1 V: 20 A (222 W)
Short-term current (30 sec): ......................... @11,1 V: 25 A (277,5 W)
Current (max 1 sec): .................................... @11,1 V: 25 A (277,5 W)
Clock frequency: .......................................... 16 kHz
BEC: ............................................................ 6 V; constant current 1.5 A, short-term 2 A
Connection ext. Fan: ................................... 6 - 11.1 V / 100 - 200 mA
Overtemperature protection: ........................ at approx. 95 °C
Plug system for motor: ................................. 3.5 mm gold contact
Plug system for receiver: ............................. JR
Dimensions (L x W x H): .............................. 27 x 31 x 22 mm
Weight with cable: ....................................... approx. 36 g
Engine:
Continuous current (max. 5 min): ................ 14,4 A
Short-term current (30 sec): ......................... 18 A
Current (max 1 sec): .................................... 18 A
Revolutions per Volt (KV): ........................... 7800
Number of poles: ......................................... 2
Number of turns: .......................................... 12 T
These operating instructions are a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1,
D-92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming,
or the capture in electronic data processing systems require the prior written approval by the editor.
Reprinting, also in part, is prohibited.
These operating instructions represent the technical status at the time of printing. Changes in
technology and equipment reserved.
© Copyright 2012 by Conrad Electronic SE.
20 A (148 W)
25 A (185 W)
25 A (185 W)
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