Alimak ALC II User Manual page 11

During the travel the lift will automatically stop at all floors,
which have been addressed.
If operation from inside the car is done by means of the keypad,
access to the Stop Next Landing control system is automatic.
The keypad is consisting of 15 push-buttons. 12 of them are for
the collective system: 0 – 9, ENT and CLR. The other three
push-buttons are for the Stop Next Landing system: Up, Down
and Stop Next Landing, which operates in parallel with the
collective system.
Keypad panel inside the car appl. for construction hoists
On every landing there is one I / O-card with two external
illuminated call buttons: one for each travel direction and one
indicator lamp: Out of service.
The I / O-cards are connected to a six wire communication
circuit that terminates in a base CPU inside the base panel.
The information is transmitted from the base CPU to the car
CPU (main unit) on a two wire communication circuit in the
trailing cable.
Indication lamp
''Out of service'' for
construction hoists only
ALIMAK 34818 - 0 /01
Push button panel inside the car
applicable for permanent lifts
For permanent lifts only optional
display at each landing
A
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