Final Adjustment
4-2 Manual # 42-02-7223
Learning the Floor Heights
Learning the floor heights allows iControl to determine the location of each floor relative to the
bottom floor. iControl does this by counting pulses sent by the position encoder on the iLand
landing system as the elevator travels the entire length of the hoistway from bottom to top. The
iLand Compact position encoder produces 348 pulses per foot of travel.
This is one of the procedures that must be successfully completed before running the elevator
on Test or Passenger (NORM.) operation. Before proceeding, be certain you have verified the
landing system quadrature pulse sequence. Please refer to “Verifying Quadrature Pulse
Sequence and Encoder Resolution ” on page 3-27.
Floor Height Learn Procedure
The speed at which the car learns the hoistway is determined by the Inspection /High Speed
parameter (Configuration > Pattern > Modes tab). For learning floor heights, we recommend
setting Inspection/High Speed between 50fpm and 125fpm. To complete the learn operation:
1. Place the car on Inspection operation (iBox Inspection switch in the INSP position).
Check the iBox LCD display to verify that it is on Machine Room Insp.
2. On Machine Room Inspection, run the car down until the car is stopped by the normal
limit switch (DNTD). For floor height learning to begin, the ULM signal must be on,
DLM must be off, DNTD must be off, and UNTD must be on.
3. Place the iBox Learn switch in the ON position.
4. In iView, display the Floor Heights Learn layout by selecting Floor Heights from the
View > Layouts menu and then clicking the Learn tab on the Setup > Floor Heights
tab).
5. On the Setup > Floor Heights > Learn tab, select Manual or Auto learn type. (On Man-
ual, you run the car through the hoistway using the iBox Enable and Up/Down buttons.
On Auto, iControl will run the car through the hoistway automatically.)
6. If Not Ready is lighted, perform the instructions shown in the message window.
• The Ready indicator lights when the car is placed in Inspection mode (with the
Learn switch ON and the ULM sensor is ON without DLM).
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