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LOGO! Manual

A5E00067781 01

156

8.2 Automatic Door

You often find automatic door control systems at the en-

trance to supermarkets, public buildings, banks, hospitals

etc.

8.2.1 Demands on an Automatic Door

 When somebody approaches, the door must open auto-

matically.

 The door must remain open until there is nobody in the

doorway anymore.

 If there is nobody in the doorway anymore, it must close

automatically after a short time.

ÌÌÌÌÌ

ÑÑÑÑÑ

ÑÑÑÑ

ÌÌÌÌ

Outside

Inside

Limit switch

closed

Limit switch

open

Main switch

S1 S2

Motion detector

Main switch

Motion detector

The door is generally driven by a motor with a safety clutch.

This prevents people from being caught or injured in the

door. The control system is connected to the mains via a

main switch.

Applications

Siemens LOGO! 24 User Manual

Questions and Answers: