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The recordable servo driver allows you to proportionally vary the speed of your gearmotor both forward and reverse when coupled with the digital speed controller. When the knob is in the middle position the motor with be at rest. The further you rotate the knob from the center position, the faster the motor will rotate in the corresponding direction. By using the recordable servo driver the speed of the motor can be set and will continue to rotate at that speed until the knob is rotated to a different position.
The recordable servo driver will allow you to record motions on a time-voltage basis. Since there are no feedback position sensors on the gearmotors, the recorder simply stores the amount of time a given voltage is supplied to the gearmotor. This works extremely well for dolly systems that require a varied speed throughout a range of motion. We do not recommend this controller for application that require extreme precision over a period of time.
When 7.2V to 12V is supplied to the speed controller, it will supply 5VDC to the recordable servo driver via the twisted wire, therefore a separate power source is not needed for the recordable servo driver.
This controller will allow you to record up to 3 1/2 minutes and control up to four speed controllers.
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