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Door and door lock
6112
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Door and door lock
Description
The door locks consists of the following:
• Door lock, which contains
- An actuator that locks the door lock and
also has two built-in micro switches, S4a
and S4b. The actuator is bi-stable, i.e., it
has two stable positions: locked door and
unlocked door. The actuator must receive
a pulse to lock and unlock the door lock.
S4a and S4b are both closed when the
door is locked.
- A micro switch S3 that is closed when the
door is closed.
- An emergency opening button that can
be used to open the door lock in an emer-
gency.
1. Emergency opening button
2. To programme unit A1
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