ODC001 Servo Motor Driver
3.3
Potentiometer Operation
The potentiometer slider is sprung such that when released it returns to it’s central
position. In this central position the motor is stationary. As the slider is moved away
from the centre, the motor begins to move. Bidirectional control of the motor is
possible by moving the slider in both directions. The speed of the motor increases by
discrete amounts as a function of slider deflection. These speed settings are entered
in real world units (mm or degrees) in the ‘Potentiometer Control Settings’ parameter
in the ‘Advanced’ settings tab - see Section 5.3.
3.4
Button Operation
The buttons on the front of the unit can be used to control the motor in a number of
ways, as described below.
3.4.1
Homing
A ‘Home’ move is performed to establish a datum from which subsequent absolute
position moves can be measured (see Section 4.4. and Section D.2.2. for further
information on the home position).
To initiate a ‘Home’ move, press and hold both buttons for 2 seconds.
3.4.2
Go to Position
Each button can be programmed with a different position value, such that the
controller will move the motor to that position when the specific button is pressed.
This mode of operation is enabled by setting the ‘Button Mode’ parameter to ‘Go To
Position’ on the Advanced settings tab - see Section 5.3. for further information.
