Velleman HAA2801 - Manual (Page 18)

APPLICATION HINTS FOR THE AUXILIARY TERMINALS
The tamper switch is Normally Closed while the
keypad is secured on the gang box. It is open
when the keypad is removed from the gang
box. To get warning at sabotage, connect the
tamper switch to the TAMPER terminal of the
HAA2800. If more than one tamper switches
are connected, just connect them in series.
With the help of a Normally Closed
door position sensor (usually a
magnetic door switch) on the door to
set up the following functions:
Door Auto Relock -- The system will
immediately relock the door after a valid access
has been gained to prevent "tailgate" entries.
Door Forced-open Alarm -- The keypad will
generate alarm instantly if the door is forced to
open. Enable the function at Location 80.
Door Propped-up Alarm -- The keypad will
generate alarm if the door is left open longer
than the pre-set delay time. Enable the function
at Location 81.
Inter-lock Control -- When the door is open,
the interlock output of the keypad will give a (-)
command to stop the other keypad in an inter-
lock system.
Door Opening Alarm -- Door Opening Alarm
is designed for the emergency door only. It is
always given when the door is opened unless a
valid user code or card is used prior to the door
is opened. Enable the function at Location 91.
a)
b)
c)
d)
e)
(A) TAMPER N.C.
(B) DOOR SENS
The Alarm Output switches to (-) ground in door forced to open or the door open after Egress
Delay. You may use it to turn ON an LED lamp and/ or a small buzzer to notify a guard; or
connect it to a 24 hour Normally Open protection zone of an alarm system. See Location 80 and
Location 91 for more information about these functions.
Only one connection option is recommended. Make sure that the sink current does not
exceed the maximum rating of 100mA.
(C) ALARM OUTPUT
GND(-)
N.C
TAMPER SWITCH
OF THE KEYPAD
GND(-)
DOOR
SENS
18
ALARM
O/P
KEY ACT
O/P
GND
(-)
ALARM
O/P
KEY ACT
O/P
GND
(-)