User Interface
4-134 Manual # 42-02-2P24
Brake Drop Delay, 136 The delay, in milliseconds, that the brake should be delayed
from dropping after the speed command is dropped. The goal is to avoid dropping the brake
until the motor has just stopped moving. The default time of 250 milliseconds is a good starting
point.
Figure 4.5 Effect of Brake Drop Delay on Stopping
Drive Disable Delay, 138 The time in milliseconds after stopping at a floor which the
drive should maintain electrical control of the motor. May be used to compensate for a slow
dropping brake. The default time of 1250 milliseconds should be appropriate for virtually all
scenarios.
Speed Hysteresis Delay, 139 Provides a delay between when the speed command is
issued and when it begins to accelerate the load.
Profile Advance, 140 Compensates for lag in the control loop. Values from 50 mS to
130 mS are common.
Profile Scale, 141 Scales the curve to affect all associated speed settings. Typically used
to slow all speeds associated with a curve without having to change individual speed settings.
Useful for overspeed tests with the understanding that drive LF.22 will absolutely limit car
speed.
Standard Slew Slope, 142 Determines how aggressively or gradually the current
speed transitions to zero speed. Sets the maximum deceleration rate that the S curve is allowed
to command when the car is stopping from a speed near releveling speed or lower. If the stop is
harsh, reducing this value may provide a softer stop.
Danger Slew Slope, 143 Determines how aggressively or gradually the current speed
can transition to a lower or higher speed. Sets the maximum rate of acceleration/deceleration
the S curve is allowed to command when the car is running and when the car is stopping from a
speed greater than releveling speed. Reducing this value forces a more gradual transition.
Slew Filter, 144 Smooths any harsh transitions in the commanded speed for modes
other than Inspection. Reducing this value causes a smoother transition.
Drop Delay
just right
Too much Drop Delay
Not enough Drop Delay
Speed
Level at Floor
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