Warning. Power supply unit should be able to supply sufficient current to rotate the motor. As an absolute minimum
it should be able to supply where is the minimum working current of
power supply unit, is the operating current in the winding, is power supply unit stabilized voltage, and
is rated operating voltage of the motor. It is recommended to use a power supply unit with operating current
equal to . The voltage should be greater than . The higher the voltage, the
faster rotation speed could be reached.
One can use power consumption of power supply unit to calculate minimum requirements instead. An absolute
minimum of power is . For example, for motor with
operating winding current of 1A and operating voltage of 5V (with 5W rated power consumption), the operating
voltage of power supply unit may be chosen at 20V with the output power of at least 10W (the maximum operating
current of power supply unit is at least 0.5A).
Controller board
IMPORTANT. It is strictly forbidden to touch the controller board without any antistatic equipment. We recommend
you to use antistatic wrist strap.
IMPORTANT. It is strictly forbidden to connect positive wire of power supply to the controller board when
ground wire is not connected. It is strictly forbidden to connect or disconnect power cable when the
power supply is on, the controller is connected to the PC and the power supply and the PC are grounded.
This may damage the PC! This is a common requirement for any electronic device with separate power source,
which is connected to the PC via USB.
Warning. Before connecting the controller board to the motor or to the PC via USB interface, it is recommended to
connect controller to power supply with proper grounding or to use separate grounding for controller with the specially
marked ground terminal (look above).
One and two axes system in box
IMPORTANT. You should not exceed maximum allowed voltage of 48V. If voltage goes over allowed value at
more than 2 volts, it can immediately and irreversibly damage the controller.
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