Automatic Door; Automatic Door; Demands On An Automatic Door - Siemens LOGO! 24RC Manual

Applications

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.
Outside
Inside
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.
156
Motion detector
B1
Ñ Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ Ñ
S1
B2
Motion detector
Motion detector
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ñ Ñ Ñ Ñ
Ì Ì Ì Ì Ì
Ì Ì Ì Ì Ì
Limit switch S2 Limit switch
closed open
Q1
Main switch
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
Main switch
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
Ì Ì Ì Ì
LOGO! Manual
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