Page 6 of 9 — DN-6856 • 03/08/04
Agency Listings and Approvals
See the first page of this data sheet for listing agencies and
file numbers. These listings and approvals apply to the basic
NFS-640 control panel. In some cases, certain modules may
not be listed by certain approval agencies, or listing may be
in process. Consult factory for latest listing status.
The NFS-640 complies with UL Standards 864 (Fire) and
1076 (Burglary). It is designed to meet NFPA 72 Local, Aux-
iliary, Remote Station, Proprietary (not applicable for FM),
and Emergency Voice/Alarm Fire System Requirements.
Specifications
• Primary input power, CPU-640 board: 120 VAC, 50/60 Hz,
3.0 amps. CPU-640E board: 220/240 VAC, 50/60 Hz, 1.5
Amps.
• Total output 24 V power: 6.0 A in alarm.*
• Standard notification circuits (4): 2.5 A each.
• Four-wire detector power: 1.25 A.
• Non-resettable regulated power outputs: 1.25 A each.
• Battery charger range: 12 AH – 55 AH. Use separate cabi-
net for batteries over 25 AH.
• Optional high-capacity (25 – 120 AH) battery charger:
CHG-120 (see CHG-120 data sheet, DN-6040).
• Float rate: 27.6 V.
• Temperature and humidity ranges: This system meets
NFPA requirements for operation at 0°C to 49°C (32°F to
120°F); and at a relative humidity (noncondensing) of 85%
at 30°C (86°F) per NFPA, and 93% ± 2% at 32°C ± 2°C
(89.6°F ± 1.1°F) per ULC. However, the useful life of the
system’s standby batteries and the electronic components
may be adversely affected by extreme temperature ranges
and humidity. Therefore, it is recommended that this sys-
tem and all peripherals be installed in an environment with
a nominal room temperature of 15°C to 27°C (60°F to 80°F).
*Note: The power supply has a total of 6.0 Amps of available
power. This is shared by all internal modules.
System Capacity
• Intelligent Signaling Line Circuits ....... 1 expandable to 2
• Intelligent detectors ...................................... 159 per loop
• Addressable monitor/control modules ......... 159 per loop
• Programmable internal hardware
and output circuits (4 standard).................................... 68
• Programmable software zones ..................................... 99
• Special programming zones ......................................... 14
• LCD annunciators per CPU-640/-640E
and NCA (observe power) ............................................ 32
• ACS annunciators
per CPU-640/-640E..................... 32 address x 64 points
• ACS annunciators
per NCA ............................ 32 address x 64 or 96* points
*Note: The NCA supports up to 96 annunciator address points
per ACM-24/48.
KDM-2 Controls and Indicators
Program Keypad: QWERTY type (keyboard layout).
8 LED indicators: Power; Fire Alarm; Pre-Alarm; Security;
Supervisory; System Trouble; Signals Silenced; Points Dis-
abled.
Membrane Switch Controls: Acknowledge/Scroll Display;
Signal Silence; Drill; System Reset; Lamp Test.
LCD Display: 80 characters (2 x 40) with long-life LED back-
light.
Configuration Guidelines
Stand-alone and network systems require a main display. On
single-CPU systems (one CPU-640/-640E), display options are
the KDM-2 or the NCA. On network systems (two or more CPU-
640/-640Es), at least one NCA or NCS annunciation device is
required. Other options listed as follows:
KDM-2: 80-character backlit LCD display with QWERTY
programming and control keypad. Order two BMP-1 blank
modules and DP-DISP mounting plate separately. Requires
top row of a cabinet. Required for each stand-alone 80-
character display system. The KDM-2 may mount in network
nodes to display “local” node information as long as at least
one NCA or NCS network display is on the system to display
network information.
NCA: Network Control Annunciator, 640 characters. On
single CPU-640/-640E systems, the NCA is the Primary
Display for the panel and connects directly to the CPU-640/-
640E. On network systems (two or more CPU-640/-640Es),
one network display (either NCA or NCS) is required for
every system. On network systems, the NCA connects (and
requires) an NCM network communications module. Mounts
in a row of FACP node or in two annunciator positions.
Mounting options include the DP-DISP, ADP-4B, or in an
annunciator box, such as the ABS-2D. In CAB-4 top-row
applications, a DP-DISP and two BMP-1 blank modules are
required for mounting. See NCA data sheet DN-6858.
CPU-640: Central processing unit with integral 3.0 amp
(6.0 A in alarm) power supply for an NFS-640 system.
Includes CPU; one Signaling Line Circuit expandable to two;
installation, programming and operating manuals. Order one
per system or as necessary (up to 103 network nodes) on a
network system.
CPU-640E: Same as CPU-640 but requires 220 VAC, 1.5
amp, (3.0 A in alarm).
CHS-M2: Mounting chassis for CPU-640. One required
for each CPU-640/-640E.
DP-DISP: Dress panel for top row in cabinet with CPU-
640/-640E installed.
BMP-1: Blank module for unused module positions.
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