In case of power cuts, the turnstiles allow free passage. This is a legal obligation. However, if it is desired to remain locked in case of power failure, it is optionally provided upon written instruction of the customer. (It always remains so) The direction of rotation of the turnstile (for entry and exit) is determined by internal sensors. The centering of the turnstiles after the passage takes place mechanically and softly by means of a spring and hydraulic shock absorber due to the characteristics of the mechanism.
When very fast escape is required such as fire and earthquake, the front arm of the turnstile drops or slides to the side with a contact received from the fire or earthquake alarm system. Thus, free escape is provided. Likewise, in protocol passes, the front arm is lowered by pressing a button and free passage of special visitors is provided.
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