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LTS Series Long Travel Stages
5.2 Control Keypad
Fig. 5.1 Front Panel Controls and Indicators
MOVE Controls - These controls allow all motor moves to be initiated.
Jog Buttons - Used to jog the motors and make discrete position increments in
either direction - see Section 6.7. for more details on jogging.
Slider Potentiometer - Used to drive the motor at a pre-defined speed in either
forward or reverse directions for full and easy motor control - see Section 5.3.
Active LED - The Active LED will flash when the motor reaches a forward or reverse
limit switch, and is lit when the motor is moving.
Enable Button - Used to enable/disable channel functionality. Disabling the channel
removes the drive power and allows the motor actuator to be operated manually. .
Enable LED - When the stage is enabled, this LED is lit. Furthermore, this LED will
flash when the ‘Ident’ button is clicked on the APT Software GUI panel.
5.3 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 velocity of this move is set in real world units (mm) in the ‘Potentiometer Control
Settings’ parameter in the ‘Advanced’ settings tab - see Section 7.3.3. and is limited
to a maximum of 20 mm/sec.
VELOCITY
ACTIVE
MOVE/JOG
ENABLE
LTS Long Travel Stage
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