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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.
Door and door lock
1. Emergencyopeningbutton
2. ToprogrammeunitA1
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