Rev K Jan 2020
Page 38
Chapter 7 Software Reference
manner to the acceleration phase, using the Bow Index to reach the maximum
deceleration (D) and then bring the axis to a stop at the destination.
Persist Settings to Hardware
Many of the parameters that can be set for the LTS series stages can be stored
(persisted) within the unit itself, such that when the unit is next powered up these
settings are applied automatically. This is particularly important when the driver is
being used manually in the absence of a PC and USB link. The velocity and
acceleration parameters described previously are good examples of settings that can
be altered and then persisted in the driver for use in absence of a PC. To save the
settings to hardware, check the ‘Persist Settings to Hardware’ checkbox before
clicking the ‘OK button.
Note
The higher the Bow Index, then the shorter the BI phases of the curve, and the
steeper the acceleration and deceleration phases. High values of Bow Index may
cause a move to overshoot.
Conversely, low values of Bow Index result in much shallower (longer duration)
acceleration and deceleration curves. When these are combined with high
velocities, the average power consumption increases and some heating may be
apparent.
Caution
The ‘Persist Settings’ functionality is provided to simplify use of the unit in the
absence of a PC. When the unit is connected to a PC and is operated via
APTUser, the default APTServer settings will be loaded at boot up, even if the
‘Persist Settings’ option has been checked.
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