GENERAL
• The BDP-Q2-50-10. BDP-Q2-20-10 controllers are 2-quadrant speed controllers
for electronically commutating three-phase brushless motors with Hall sensors,
which are arranged offset at 120 electrical degrees.
• The speed of the motor is preset by means of either an internal or an external
potentiometer.
• The maximum constant current can be adjusted via an on-board potentiometer.
• The Direction of rotation of the motor can be preset by means of the Direction
control input.

The controller output stage can be activated and deactivated by means of the
Disable control input.
• The controller is safeguarded against heat overload by means of an internal
thermal cutoff.
• The controller output stage has been constructed using POWER-MOSFET
technology, resulting in very high efficiency.
INPUTS
• Direction of rotation – (REV) open collector / TTL / CMOS / switch
• Disable output stage – (DIS) open collector / TTL / CMOS / switch
TEMPERATURE RANGE
Storage -104 to 185°F (-40 to +85°C)
Operation -50 to 113°F (-10 to +45°C)
MOISTURE RANGE
20 to 80% non-condensed
MECHANICAL DATA
Weight - 4.93 oz (140 g)
Dimensions - (L x W x H) - 2.17 x 3.70 x 1.54 in (55 x 94 x 39 mm)
Mounting - 4 x M3 with a distance between holes of 1.54 x 3.43 in (39 x 87 mm)
Drill Diameter - 4.0 mm - (4) places - M3 screw
ASSEMBLY NOTE
Optimum heat dissipation is achieved by mounting the BDP-Q2-50-10. BDP-Q2-20-10
controller on a heat sink, and through the use of a thermal conduction paste.
For longer distances between the motor and the control unit, > 12 in (30 cm),
shielded cables should be used for the sensor cable and the motor cable.
SAFETY NOTE
Operating voltages exceeding the specified values, or reverse connection will destroy
the controller and will void the product warranty.
Unauthorized opening and improper repairs will put the user in danger and will void
the product warranty.
If the controller is brought from a cold environment into the operating environment,
there can be condensation. Wait until the controller has reached the ambient
temperature of the operating environment, and is absolutely dry before it is put into
operation.
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