157
Door and door lock
Emergency opening button
X96 (to door lock control A31)
X5 (to I/O card 1 A11)
6112
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Door and door lock
General
The door lock part consists of the following:
• Door lock A41 that contains
- an actuator that locks the door lock
andwhichalsohastwobuilt-inmicro
switches, S4a and S4b. The actuator is
bi-stable,i.e.,ithastwostablepositions:
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.
- micro switch that is closed when the
door is closed.
- Anemergency opening arm/emergency
opening button that can be used to open
the door lock in an emergency.
• Door lock control A31 that is situated in
the front control unit of the machine. This
card controls the door lock function and
whether the drum is empty and not rotating.
It locks and unlocks the door lock when the
programme unit requests door locking or
unlocking.
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2
5184 5207
Door lock control A31