Velleman HAA2866 Installation Manual download pdf (Page 41)

APPLICATION HINTS FOR THE AUXILIARY TERMINALS

The tamper switch is Normally Closed while

the keypad is secured on gang box. It is

open when the keypad is removed from the

gang box. To prevent sabotage, connect

these terminals in series with a 24 hour N.C.

protection zone of an alarm system if required.

(A) TAMPER N.C.

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.

(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.

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Velleman HAA2866 Installation Manual Page 41