Siemens SIDOOR AT40 System Manual page 43

The higher effective force limit from the opening or closing direction is used to determine the
closed position.
Note
If a slightly too large door width is determined during the learn run, it can happen that after the
mains voltage is applied again, the active "initial mode" is not exited and the door always runs
at initial speed. In this case, the effective force during the learn run should be reduced.
If an obstruction occurs during the learn run (e.g. sluggish door), the effective force during the
learn run can be increased.
After changing the effective forces during the learn run, a "normal" learn run should be
performed.
During a learn run with default parameters, the effective forces for a learn run are reset to the
default values.
Learn run (when the supply voltage is applied)
Table 4-2 Starting a learn run when the line voltage is applied
Procedure
1. Push the door into the CLOSED position.
2. Disconnect the power supply from X3 (DC).
3. Press the learn run button (S401) and keep it pressed.
4. Connect the power supply to X3 (DC).
5. The learn run starts automatically and the learn run button can be re‐
leased.
6. During the learn run, the door is opened about 10 cm, and closed once
or twice at creep speed. The friction of the door system is then deter‐
mined by opening and closing the door once through a range of 25 cm
at creep speed.
The door then opens and closes through its complete range of movement
at reduced speed. After the door has opened by approximately 15 cm, it
passes through an additional short acceleration ramp to determine the
weight of the door.
7. The door parameters and the determined door width are saved when the
door is in the CLOSED position.
This means that the door width and weight are re-adapted and saved. In
addition, the default values for the driving curve parameters are loaded
and the speed limits are preset on the basis of the determined mass and
permissible energies.
8. Learn run completed.
Note: If the light barrier / DCPS is set to light barrier and no light barrier
is connected or if the light barrier bypass is not inserted or if the light
barrier is interrupted, the 7-segment display shows "0".
AT40 and ATD400V for elevators
System Manual, 06/2022, A5E42192709-AH
4.1 Basic functions
H401 display H1 display
'H': learn run
active
'u': door is
closed
SIDOOR functions
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