Velleman HAA9523S - Manual (Page 17)

HAA9523S
v2 15/11/2013 VELLEMAN 17
The tamper switch is N.C. while the keypad is secured on the gang box. To prevent sabotage, connect these
terminals in series with a N.C. 24-hour protection zone of an alarm if required.
(B) Door sens (fig. 7)
With the help of a N.C. door position sensor (usually a
magnetic door switch) on the door to set up the following
functions: door auto relock, door forced-open alarm, door
propped-up alarm and interlock control (see “2.
Connections”)
(C) Key active – Pink wire (fig. 8)
The key-active output will switch to (-) ground for 10 seconds whenever a key is pressed. Use it to turn on an
LED lamp and/or a small buzzer to notify a guard, to energize a relay to switch on lights or a CCTV camera…
•
Make sure that the relay for switching on the lights has enough isolation between the high-voltage and low-
voltage to prevent damage to the keypad.
•
Only one connection option is recommended. Make sure the sink current does not exceed the maximum
rating of 100mA.
•
External power supply and isolation relay are necessary for driving high-power devices such as lights.
(D) Duress output – White/orange wire (fig. 9)
The duress output will switch to (-) ground when the duress code is entered. You may use it to turn on an LED
lamp and/or a small buzzer. Connect it to a N.C. 24-hour protection zone of an alarm system.
•
Only one connection option is recommended. Make sure the sink current does not exceed the maximum
rating of 100mA.
(E) Output 2
1. Shunting an N.C. zone (white/brown and blue wires) (fig. 10)