Electronics > Projects, Designs, and Technical Stuff
Elevator Position Sensor
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floobydust:
Does it have any kind of electric motor drive? I worked on one elevator with an SCR drive and the EMI from the phase-control filled the building with hash and interference.
One position sensor was an encoder on the big top floor cable spool.
Hydraulic cylinder, it must already have position sensors?

You could just use a timer relay; After x minutes of no use/movement, autopark.
ucanel:
I am stricly oppose to use or even thinking about to use arduino toy for these kind of serious jobs.

If you were seen us at the compliance test
you would think exactly like i said.
And i recommend you to watch some elevator accidents
before attempting to do anything.
One other thing
regulations put you to do place that you can imprisoned because of your unauthorized actions,
i do not add the moral responsibilities that you will encounter
any possible accidents caused by your modifications.

I would like to help if you just want to make taught experiments.
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