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ADPRO Presidium Mini by Xtralis
Installation and User Manual
Doc. 14294_02
35
3.4
Alarm Inputs
There are two alarm inputs on the Presidium Mini. They are labelled
ALM A I/P
and
ALM B I/P
.
The alarm inputs may be used to connect PIRs etc to combine with the video motion detection,
by ‘ANDing’ or ‘ORing’, to generate an alarm. A triggered alarm input may be configured with a
‘hold time’ from 0 to 60 seconds for alarm generation with VMD (refer to
Alarm Behaviour
on
page 65).
To ensure the best immunity to EMC disturbances, the alarm inputs should be wired using
shielded cable. Connect the shield to the ground (GND) terminal.
The Alarm Input state may be:
•
Normally Open -
No End Of Line (NEOL) Resistor
•
Normally Closed
•
Normally Open SEOL -
Single End Of Line Resistor
•
Normally Closed SEOL
•
Normally Open DEOL -
Dual End Of Line Resistor
•
Normally Closed DEOL
.
Figure 21: Alarm and Isolate Input Configuration
3.5
Isolation
Isolation inputs are provided for each video channel:
ALM Isolate A
and
ALM Isolate B
. These
connections allow individual channels to be isolated (prevented from generating an alarm). This
feature is useful in a number of scenarios:
•
Commissioning a Presidium Mini
•
Fault finding an installation
•
Configuring detectors
•
Disabling faulty detectors
Содержание ADPRO Presidium Mini
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