Flashscan, Exclusive World-Leading Detector Protocol; Field Programming Options; Onyx Intelligent Sensing; Kdm-R2 Controls And Indicators - Honeywell Notifier NFS-320 Manual

FSCO-95(A) I CO S
NTELLIGENT
• Carbon monoxide sensor
FS-OSI-RI(A) A
DDRESSABLE INTELLIGENT SINGLE
SMOKE DETECTOR
• Intelligent addressable reflector-type linear optical beam smoke
detector
• Fast, easy, and intuitive beam alignment indicated by directional
LED arrows
• Long range coverage of 16-328 ft (5-100 m) is standard; no sepa-
rate long-range kit required
I VESDA D
NTELLIGENT ETECTORS
• Intelligent aspiration smoke detectors connect directly to the SLC
loop of compatible ONYX® Series panels:
– VEA-040-A00-NTF, VEA-040-A10-NTF
– VEP-A00-P-NTF, VEP-A10-P-NTF, VEP-A00-1P-NTF
– VEU-A00-NTF, VEU-A10-NTF
• Models offer LED display, LCD display, or both
• Coverage options for spaces up to 69,965 square feet
FlashScan, Exclusive
World-Leading Detector Protocol
At the heart of the NFS-320 is a set of detection devices and device
protocol — FlashScan (U.S. Patent 5,539,389). FlashScan is an all-
digital protocol that gives superior precision and high noise immu-
nity.
In addition to providing quick identification of an active input device,
this protocol can also activate many output devices in a fraction of
the time required by competitive protocols. This high speed also
allows the NFS-320 to have the largest device per loop capacity in
the industry — 318 points — yet every input and output device is
sampled in less than two seconds. The microprocessor-based
FlashScan detectors have bicolor LEDs that can be coded to provide
diagnostic information, such as device address during Walk Test.

ONYX Intelligent Sensing

Intelligent sensing is a set of software algorithms that provides the
NFS-320 with industry-leading smoke detection capability. These
complex algorithms require many calculations on each reading of
each detector, and are made possible by the high-speed microcom-
puter used by the NFS-320.
Drift Compensation and Smoothing: Drift compensation allows
the detector to retain its original ability to detect actual smoke, and
resist false alarms, even as dirt accumulates. It reduces mainte-
nance requirements by allowing the system to automatically perform
the periodic sensitivity measurements required by NFPA 72.
Smoothing filters are also provided by software to remove transient
noise signals, such as those caused by electrical interference.
Maintenance Warnings: When the drift compensation performed
for a detector reaches a certain level, the performance of the detec-
tor may be compromised, and special warnings are given. There are
three warning levels: (1) Low Chamber value; (2) Maintenance Alert,
indicative of dust accumulation that is near but below the allowed
limit; (3) Maintenance Urgent, indicative of dust accumulation above
the allowed limit.
Sensitivity Adjust: Nine sensitivity levels are provided for alarm
detection. These levels can be set manually, or can change automat-
ically between day and night. Nine levels of pre-alarm sensitivity can
also be selected, based on predetermined levels of alarm. Pre-alarm
operation can be latching or self-restoring, and can be used to acti-
vate special control functions.
Self-Optimizing Pre-Alarm: Each detector may be set for "Self-
Optimizing" pre-alarm. In this special mode, the detector "learns" its
normal environment, measuring the peak analog readings over a
ENSOR
-
ENDED BEAM
long period of time, and setting the pre-alarm level just above these
normal peaks.
Cooperating Multi-Detector Sensing: A patented feature of ONYX
intelligent sensing is the ability of a smoke sensor to consider read-
ings from nearby sensors in making alarm or pre-alarm decisions.
Without statistical sacrifice in the ability to resist false alarms, it
allows a sensor to increase its sensitivity to actual smoke by a factor
of almost two to one.

Field Programming Options

Autoprogram is a timesaving feature. The FACP "learns" what
devices are physically connected and automatically loads them in
the program with default values for all parameters. Requiring less
than one minute to run, this routine allows the user to have almost
immediate fire protection in a new installation, even if only a portion
of the detectors are installed.
Keypad Program Edit (with KDM-R2) The NFS-320, like all NOTI-
FIER intelligent panels, has the exclusive feature of program cre-
ation and editing capability from the front panel keypad, while
continuing to provide fire protection. The architecture of the NFS-
320 software is such that each point entry carries its own program,
including control-by-event links to other points. This allows the pro-
gram to be entered with independent per-point segments, while the
NFS-320 simultaneously monitors other (already installed) points for
alarm conditions.
®
VeriFire Tools is an offline programming and test utility that can
greatly reduce installation programming time, and increase confi-
dence in the site-specific software. It is Windows
vides technologically advanced capabilities to aid the installer. The
installer may create the entire program for the NFS-320 in the com-
fort of the office, test it, store a backup file, then bring it to the site
and download from a laptop into the panel.
Placement of Equipment
in Chassis and Cabinet
The following guidelines outline the NFS-320's flexible system
design.
Wiring: When designing the cabinet layout, consider separation of
power-limited and non-power-limited wiring as discussed in the
NFS-320 Installation Manual.
It is critical that all mounting holes of the NFS-320 are secured with
a screw or standoff to ensure continuity of Earth Ground.
Networking: If networking two or more control panels, each unit
requires a Network Communication Module or High-Speed Network
Communication Module (HS-NCM can support two nodes; see "Net-
working Options" on page 4). These modules can be installed in any
option board position (see manual), and additional option boards
can be mounted in front of them.

KDM-R2 Controls and Indicators

Program Keypad: QWERTY type (keyboard layout).
12 LED Indicators: Power; Fire Alarm; Pre-Alarm; Security; Super-
visory; System Trouble; Signals Silenced; Points Disabled; Control
Active; Abort; Pre-Discharge; Discharge.
Keypad Switch Controls: Acknowledge/Scroll Display; Signal
Silence; Drill; System Reset; Lamp Test.
LCD Display: 80 characters (2 x 40) with long-life LED backlight.
®
-based and pro-
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