Installation and Operation Manual
37
Alarm Silence Inhibit - Control panel may be programmed to inhibit Alarm Silence from 0 to 20 minutes
from the last alarm.
All of the NACs are power limited and support synchronization of the listed devices.
The open, short, and grounding troubles of notification appliance circuit are monitored.
Device Supervision
Device type supervision: If the type reported by an addressable detector or module does not agree with the
configuration, the system reports a trouble condition.
Device address supervision: The system checks that the configured devices on the Addressable Device Circuit
and the Serial Interface Circuit respond to an address poll. The system reports a trouble condition if one of the
following conditions is detected:
Configured device is missing.
Unconfigured device is installed.
Two or more devices are programmed with the same address location (this trouble is only detected by
manually checking).
Detector Monitor
The control panel processor polls the detectors for their status. The detector determines normal, trouble, and
alarm conditions and communicates the status to the control panel.
The control panel can automatically trigger an alarm or a trouble for various conditions, including:
Active
Illegal
Wrong Type
Missing
Address Conflict
General Trouble
Sensing Error
Contamination
Please refer to the Trouble Conditions section for more detail on each event type.
Manual Station Response
Addressable manual stations may be intermixed on the circuit with proper response programmed into the
control panel.
Drift Compensation
The Drift Compensation is built into a compatible detector and is not performed by the panel. Drift
compensation automatically adjusts for gradually increasing effects of dust and other accumulations of dirt in
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