VMBKP
32
Velbus
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Legen Heirweg 33, BE-9890 Gavere, Belgium
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tel. +32 9 384 36 11
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e-mail: [email protected]
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www.velbus.eu
PN-VMBKP-ed1-A4
Intelligent Egress Button
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A unique feature of the keypad
Introduction
Most keypads for access control are just for
controlling “Going In” from the outside. This is not enough for today’s
access control systems. In fact, controlling “Going Out” is also very important in some public passage areas where the
use of locks or digital keypads for preventing “Going Out” is not
allowed due to safety reasons. Examples of these are
hospitals, kindergartens, homes for the elderly, convenience stores, emergency exits etc. The wardens, teachers,
shopkeepers and guards are always required to keep an eye on people in order to prevent unattended leaving,
shoplifting, and unauthorized use of the emergency exits.
The Egress Button can be configured to attract the attention from the person on duty before the door is opened. The
button offers a configurable egress delay with or without warning, a holding button mode with a configurable delay
(which means that the button has to be pressed and held during a certain time before User Group 1 activates), a pulse
button mode (a short press is sufficient to activate User Group 1), and can give an alarm when the door is opened.
The settings for the Egress Button are stored in memory location 90.
The Egress Button functions do not affect the normal operation of the keypad. The operation of the keypad with Code
or Card always has the highest priority in instantly activating the User Group 1 channel.
For normal use the Egress button does not need to be configured, the settings can remain on their default values.
Use cases for an Egress Button and optional delays and alarms
Hospital
Some of the patients ar
e not allowed to leave the ward without the doctor’s permission. An egress button with an exit
delay and warning beeps will help to attract the attention of the nurse or warden when the egress button is pressed.
Setting a holding button mode with a delay for the egress button gives an even higher level of security for the controlled
door.
Kindergarten
Some children may want to go out of the kindergarten. Leaving school alone without the companion of parents or
teachers is dangerous for young children. An egress button with a delay and warning beeps will be helpful to prevent
the children trying to sneak out.
Elderly Home
Some elderly persons have poor memory. They may get lost if they leave the premises alone. An egress button with a
delay and warning beeps will easily attract the attention of the warden before the door is open.
Convenience Store
Most convenience stores have only one or two shopkeepers on duty. Shoplifting may easily happen while the
shopkeeper is busy serving customers. An egress button with a holding button mode, delay and warning beeps may help
to stop most of the shoplifting, as the thief knows that they attracted the attention of the shopkeeper before the door is
opened.
High Traffic Passage
A short buffer time may be necessary for opening a door outward after pressing the egress button for those exits
opening to a high traffic passage. An egress button with a short delay and warning beeps helps the people outside to
pay attention to the door opening, to prevent injuring them when the door is pushed outward.
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