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11.
Programing the Speed Controller
38
The speed controller is already perfectly adjusted to the motor ex works. For
this reason, we recommend that the ex-works programming not be changed.
Programming takes place via sound signals generated not by a speaker but by
the coils of the motor.
a) Setting Options of the Speed Controller
Note on function #1, driving mode
This is where you determine driving mode. Forward = forward driving only; forward/
reverse = forward and reverse driving possible. Switching from forward to reverse driving
does not happen at once, but with a break firmly specified in the speed controller, to
protect the motor or drive train and the battery.
However, when switching from reverse to forward driving, the rotating direction of the
motor is switched immediately. This control type is not recommended, since the motor or
drive train is not protected and the strain on the rechargeable batteries is increased as
well. Therefore, do not start forward driving immediately after reversing, but after a short
break (briefly leave the throttle lever in the neutral position).
Note on function #2, number of battery cells
Use this to specify whether the cell number of the rechargeable battery is to be recognised
automatically, or selected manually.
If you use NiCd or NiMH batteries for operation of the model, programme the speed
controller to „automatic". Initialisation of the speed controller (if connecting the driving
battery) emits a control sound for the selected setting.
If using a LiPo drive battery, you can also chose the setting „Automatic". In this case, the
speed controller automatically recognises the number of LiPo cells of the drive battery.
However, this poses the danger that batteries not charged completely are recognised
incorrectly. In this case, the speed controller may recognise a battery with one cell less.
This would lead to incorrect values for undervoltage recognition and the connected
rechargeable battery would be deep discharged and therefore destroyed.
Therefore, we recommend programming the actual number of cells when using LiPo
batteries. If you choose, e.g., a LiPo battery with three cells, three signal sounds are
emitted when initialising the speed controller (when connecting the drive battery) for the
selected setting.
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