Dedicated Micros ©2009
D
V-IP Expr
es
s
Alarm Input
This menu allows configuration of the alarm settings, refer to ‘Installing the DV-IP Express Unit’ for
hardware installation guidance.
Number
This identifies which input is being configured. The unit supports
This identifies which input is being configured. The unit supports
20 on-board alarms.
�nabled
�ach input must be enabled to function. �f the input is not enabled
�ach input must be enabled to function. �f the input is not enabled
and an alarm is recei�ed, the unit will not acknowledge the alarm.
N_O (Normally Open Contact)
N_O indicates the non-alarm state of the input. Tick the N_O
Normally Open Contact) N_O indicates the non-alarm state of the input. Tick the N_O
checkbo� to set the corresponding input to Normally Open. The
alarm will then trigger when the input is closed (shorted). �f left as
Normally Closed (the default setting), the alarm wil ltrigger when
the input is opened.
Note:
If EOL alarms are to be used, this option should not be selected i.e. leave set as
Normally Closed.
�O�
The �nd Of �ine (�O�) option enables the inputs to detect any
The �nd Of �ine (�O�) option enables the inputs to detect any
changes in the electronic input resistance. � change outside the
e�pected �alues will result in a Tamper �larm (short circuit or open
circuit) being detected and the system switching to alarm mode.
�ulse ��t
� pulse e�tension is used to pre�ent double triggers on a single
� pulse e�tension is used to pre�ent double triggers on a single
alarm. The pulse e�tension time starts on an alarm trigger. �f that
contact is triggered again after the first alarm has finished but
within the pulse e�tension, the second trigger will not restart the
alarm, but will e�tend the current alarm duration. �nter the time in
seconds for this e�tension.
