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FlashScan, Exclusive own program, including control-by-event links to other points.
<br /> � WOI'��1-Leading Detector Protocol This allows the program to be entereci with independent per-
<br /> point segments, while the NFS-320 simultaneously monitors
<br /> At the heart of the NFS-320 is a set of detection devices and other(already installed)points for alarm conditions.
<br /> device protocol—FlashScan (U.S. Patent 5,539,389). FlashS- VeriFire�Tools is an offline programming and test utility that can
<br /> ' can is an all-digital protocol that gives superior precision and 9reatly reduce installation programming time,and increase con-
<br /> high noise immunity. fidence in the site-specific software. It is Windows�-based and
<br /> In addition to providing quick identification of an active input provides technologically advanced capabilities to aid the
<br /> device,this new protocol can also activate many output devices installer The installer may create the entire program for the
<br /> in a fraction of the time required by competitive protocols. This NFS320 in the comfort of the office,test it,store a backup file,
<br /> high speed also allows the NFS320 to have the largest device then bring it to the site and download from a laptop into the
<br /> per loop capacity in the industry—318 points—yet every input panel.
<br /> and output device is sampled in less than two seconds. The
<br /> microprocessor-based FlashScan detectors have bicolor LEDs p�acement of Equipment
<br /> that can be coded to provide diagnostic information, such as �n Chassis and Cabinet
<br /> device address during Walk Test.
<br /> The following guidelines outline the NFS-320's flexible system
<br /> , ONYX Intelligent Sensing design.
<br /> Intelligent sensing is a set of software algorithms that provides W�ring:When designing the cabinet layout,consider separation
<br /> the NFS-320 with industry-leading smoke detection capability. of power-Iimited and non-power-limited wiring as discussed in
<br /> These complex algorithms require many calculations on each the NFS-3201nstallation Manual.
<br /> reading of each detector, and are made possible by the high- It is critical that all mounting holes of the NFS-320 are secured
<br /> speed microcomputer used by the NFS-320. with a screw or standoff to ensure continuity of Earth Ground.
<br /> Drift Compensation and Smoothing: Drift compensation Networking:If networking two or more control panels,each unit
<br /> aliows the detector to retain its original ability to detect actual requires a Network Control Module ar High-Speed Network
<br /> smoke, and resist false alarms, even as dirt accumulates. it Control Module (HS-NCM can support two nodes; see "Net-
<br /> reduces maintenance requirements by allowing the system to working Options"on page 4).These modules can be installed in
<br /> automatically perform the periodic sensitivity measurements any option board positipn (see manuai), and additional option
<br /> required by NFPA 72. Smoothing filters are also provided by boards can be mounted in front of them
<br /> software to remove transient noise signals, such as those
<br /> caused by e�ectrica�interference. KDM-R2 Controls and Indicators
<br /> Maintenance Warnings: When the drift compensation per- program Keypad:QWERTY type(keyt�oard layout).
<br /> formed for a detector reaches a certain level,the performance of
<br /> the detector may be compromised, and special warnings are 12 LED Indicators: Power; Fire Alarm; Pre-Alarm; Security;
<br /> given. There are three warning levels: (1) Low Chamber value; Supervisory; System Trouble; Signals Silenced; Points Dis-
<br /> (2) Maintenance Alert, indicative of dust accumulation that is abled;Control Active;Abort;Pre-Discharge;Discharge.
<br /> near but below the allowed limit;(3)Maintenance Urgent,indica- Keypad Switch Controls: Acknowledye/Scroll Display; Signal
<br /> tive of dust accumulation above the allowQd limit. Silence;Drill;System Reset;Lamp Test.
<br /> Sensitivity Adjust: Nine sensitivity levels are provided for LCD Display: 80 characters (2 x 40) �Nith long-life LED back-
<br /> alarm detection. These levels can be set manually, or can light.
<br /> change automatically between day and night.Nine levels of pre-
<br /> alarm sensitivity can also be selected, based on predetermined Ordering Information '
<br /> levels of alarm. Pre-alarm operation can be latching or self-
<br /> restoring,and can be used to activate special control functions. • "Configuration Guidelines"on page 3
<br /> Self-Optimizing Pre-Alarm:Each detector may be set for"Self- • "Networking Options"on page 4
<br /> Optimizing" pre-alarm. In this special mode, the detector • "Auxiliary Power Supplies and Batteries"on page 4
<br /> "learns" its normal environment, measuring the peak analog . "Audio Options"on page 4
<br /> readings over a long period of time, and setting the pre-alarm . °Compatible Devices,EIA-232 Ports"on page 4
<br /> level just above these normal peaks.
<br /> Cooperating Muiti-Detector Sensing: A patented feature of
<br /> • "Compatible Devices,EIA-485 Ports"on page 4
<br /> ONYX intelligent sensing is the ability of a smoke sensor to con- ' "Compatible Intelligent Devices"on page 4
<br /> sider readings from nearby sensors in making alarm or pre- • "Enclosures,Chassis,and Dress Plates"on page 5
<br /> alarm decisions. Without statistical sacrifice in the ability to • "Other Options"on page 5
<br /> resist false alarms,it allows a sensor to increase its sensitivity to
<br /> actual smoke by a factor of almost two to one. CONFIGURATION GUIDELINES
<br /> The NFS-320 system ships assemb/ed; description and some
<br /> Field Programming Options options follow. See"Enc/osures, Chassis,and Dress Plates"on
<br /> page 5 for information about mounting periphera/s.
<br /> Autoprogram.This timesaving feature is a special software rou- NOTE:Stand-alone and network systems require a main display.
<br /> tine.The FACP"learns"what devices are physically connected On stand-a/one systems,the panel's keypad provides the required
<br /> and automatically loads them in the program with default values display. On network systems (two or more networked fire panel
<br /> for all parameters. Requiring less than one minute to run, this nodes), at/east one NCA-2, NCS, or ONYXWorks annunciation
<br /> routine allows the user to have almost immediate fire protection device is required.
<br /> in a new installation, even if only a portion of the detectors are
<br /> installed. NFS-320: The standard, factory-assembled NFS-320 system
<br /> Keypad Program Edit (with KDM-R2) The NFS-320, like all includes the following components: one control panel mounted
<br /> NOTIFIER intelligent panels, has the exciusive feature of pro- on chassis(120 V operation—ships with grounding cable,bat-
<br /> gram creation and editing capability from the front panel keypad, tery interconnect cables, and document kit); includes integral
<br /> while continuing to prwide flre protection. The architecture of Power supply mounted to the main cirr,uit board; one primary
<br /> the NFS-320 software is such that each point entry caRies its display KDM-R2 keypad/display; and one cabinet for surface or
<br /> DN-7112:G•12/19/2011—Page 3 of 6
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