Homing Motors - THORLABS PY004 User Manual

3.6.3 Homing Motors

Homing the motor moves the actuator to the home limit switch then to its central
position (as dictated by the zero offset parameter in the settings panel). The internal
position counter and the GUI display are then set to zero. The limit switch provides a
fixed datum that can be found after the system has been powered up.
1) Click the 'Home' button. Notice that the 'Homed' led in the button lights to indicate
that homing is in progress and the displayed position counts down to 0°, i.e the
home position.
Note
Homing can also be performed from the top panel settings menu, see the handbook
for the KDC101 driver for more details.
2) When homing is complete, the 'Homed' LED is lit.
Note
Due to manufacturing tolerances, a small position offset (misalignment of the top and
bottom platforms) may be visible after homing. This offset can be removed in the
Settings panel by creating a set of custom device startup settings as follows.
3) Click the jog buttons to align the stage as required.
4) Note the value shown in the GUI display.
5) Click the Settings button and select the Stage/Axis tab.
Rev F Mar 2021
Fig. 3.8 DC Driver K-Cube Kinesis Software GUI
Chapter 3 Installation and Operation
Page 15