36 HA0338T Rev C July 2022
Chapter 6
Enable - applies power to the motor. With the motor enabled, the associated Channel
LED on the front panel is lit.
Digital display - shows the position (in millimetres) of the motor. The motor must be
'Homed' before the display will show a valid position value, (i.e. the displayed position
is relative to a physical datum, the limit switch).
Home - sends the motor to its 'Home' position - see Appendix C Section C.2.2. The
LED in the button is lit while the motor is homing.
Homed - lit when the motor has previously been 'Homed' (since power up).
Stop - During operation, the stage can be stopped at any time by clicking the ‘Stop’
button. Using this button does not remove power to the drive channel.
Limit switches - the LEDs are lit when the associated limit switch has been activated
- see Appendix C Section C.2.3. for further details on limit switches.
Settings display - shows the following user specified settings:
Driver - the type of control unit associated with the specified channel.
Stage - the stage type and axis associated with the specified channel.
Calib File - the calibration file associated with the specified channel.
See the APTConfig utility helpfile for more details on assigning and using calibration
files.
Min/Max V - the minimum velocity at which a move is initiated, and the maximum
velocity at which the move is performed. Values are displayed in real world units
(degrees/s), and can be set via the 'Settings' panel (see Section 6.3.).
Accn - the rate at which the velocity climbs to, and slows from, maximum velocity,
displayed in real world units (degrees/s/s). The acceleration can be set via the
'Settings' panel (see Section 6.3.) and is used in conjunction with the Min/Max velocity
settings to determine the velocity profile of a motor move. See Appendix C Section
C.1.3. for more information on velocity profiles.
Jog Step Size - the size of step (in degrees) taken when the jog signal is initiated. The
step size can be set either via the Settings panel or by calling the SetJogStepSize
method.
Settings button - Displays the 'Settings' panel, which allows the motor drive’s
operating parameters to be entered - see Section 6.3.
Ident - when this button is pressed, the Enable LED on the front panel of the unit
associated with the selected channel, will flash for a short period.
Active - lit when the unit is operating normally and no error condition exists.
Error - lit when a fault condition occurs.
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