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Door lock
The door lock is electromechanical with twin sa-
fety breakers. The lock is bi-stable, i.e. the lock
must be given an active signal from the program
unit to lock as well as unlock the door.
A separate circuit integrated in the program unit
checks and controls the locking and unlocking
of the door through a lock module. The circuit
has separate controls that the drum is empty
and that it is stationary. Through sensors in the
lockmodule,thecircuitchecksthedoor’sclo-
sed and locked position. Together with other
controls the program unit conducts, this will
guarantee the door cannot be opened by mis-
take.
Themachine’sdooranddoorlockaredescri-
bed in more detail in the section Door and door
lock.
7
8
1. Program unit
2. Lock module
1. Program unit A1
2. Temperature sensor B1
3. Level switch B2
4. Level switch B4
5. Motor control U1
6. Lock module A111
7. Rotation sensor B3
Machine presentation