Instruction Manual
for
AS380 Series Elevator Integrated Drive Controller
202
coordination between the reference speed at stop and the brake action. The ideal state is: when the
reference speed is zero, elevator has just held the brake. The adjustment principle is: if the elevator
jerks at stop, it means the brake is held too early; the other hand, if the elevator skids at stop, it
means the brake is held too late.
8.9 Leveling Adjustment
After comfort adjustment, leveling accuracy can be regulated.
1. Basic conditions to ensure the elevator leveling
（1）Ensure the door area sensor and the deck board are installed very accurately, which means:
The deck length at door area of each floor must be accurate and consistent;
The bracket must be solid;
The deck boards should be installed at accurate. When the lift car is at leveling position,
the deck center should coincide with the center between sensors of two doors. Otherwise,
there will be leveling deviation of this floor, which means it is higher or lower than the
upper and lower leveling points.
（2）If a magnetic sensor switch is used, the deck board should be inserted deep enough when
installed. Otherwise, it will affect the action time of the sensor switch, and lead to higher on
top and lower on bottom when leveling on this floor.
（3）To ensure leveling, the system also requires elevator to creep for a short distance before
stop.
（4）In the actual adjustment, adjust one of the middle floors first until leveled up. Then, take
this floor as parameter to adjust other floors.
By adjusting the curve selection, proportional, integral gain as in the previous section,
ensure that the stop position (that is, the stop position should have an error of ≤ ± 2 ~ 3mm)
should be repeated for the elevator to go both upward and downward to stop in the middle.
2. Adjust leveling accuracy
（1）Confirm the repeat of stop position
By adjusting the curve selection, proportional, integral gain as in the previous section, ensure
that the stop position (that is, the stop position should have an error of ≤ ± 2 ~ 3mm) should
be repeated for the elevator to go both upward and downward to stop in the middle.
（2）Adjust deck board at door area
Have the elevator stop floor by floor, measure and record the deviation ᇞ S between the lift
car sill and the hall door sill (positive when the lift car sill is higher than the hall door sill,
otherwise negative.)
Adjust the position of deck board at door area floor by floor, if ᇞ S> 0, then move the deck
board downward by ᇞ S; if ᇞ S <0, then move the deck board upward by ᇞ S.
◆
After the adjustment of deck board at door area, carry out well self study again.
◆
Check the leveling again. If the leveling accuracy does not meet the requirements, repeat
steps (1) ～ (3).
（3）Adjust parameter menu
If the stop positions of the elevator are repetitive, but not at the same position for upward or,
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