www.kg-groep.com P 9
12.2
E
XTERNAL RELEASE INPUT
The NCP has a separate input for an external release extinguishing button. The external release
extinguishing button has the same function as the dual release extinguishing buttons (fire buttons)
on the front of the panel. By pressing the external release extinguishing button, the fire
extinguisher(s) will be released. Depending on the PDS (time) settings it is possible to delay the
release. The delay time can be set from 0 to 35 seconds in steps of 5 seconds. These loop inputs are
continuously scanned for alarm or fault conditions.
12.3
E
XTERNAL HOLD INPUT
The NCP has a separate input for an external hold-off button. The external hold-off button has the
same function as the internal hold-off button. When an alarm is active and this button is pressed, the
extinguisher release is delayed. When the button is released, the system will wait the configurated
delay time (see DIP switches). Release of the Hold input shall re-start the countdown release timer
from maximum.
13
O
UTPUTS
The NCP is equipped with 5 outputs, two monitored and three potential free. The monitored outputs
are continuously scanned for open and short circuit fault conditions. The potential free outputs have
a contact load of 30 VDC /1A. The monitored outputs are for the extinguishing output (extinguishing
release) and for the electronic sounder/beacon output.
13.1
V
OLT
F
REE
C
ONTACT RELAY OUTPUTS
Contact load relays 30 VDC 1A.
▪
1 relay output general fire alarm.
The general fire relay will energize upon activation of a fire
condition on any of the fire zones or by pressing of the in or external extinguishing release buttons.
▪
1 relay output general fault message.
The general fault relay signals the presence of a fault in the
NMS. In the event of a complete power failure, the general fault relay will be activated.
▪
1 relay output at 1
st
or 2
nd
fire alarm.
VFC relay output is programmable for 1st or 2nd fire alarm
and intended, among other things, for switching off ventilation and/or air conditioning of the area
to be protected.
Marine settings see page 13 subject 14.1
13.2
M
ONITORED EXTINGUISHING OUTPUT
THE NCP is equipped with a fire extinguisher output monitored for short circuit and wire breakage. In
combination with the ETB (Extinguishers Terminal Board), the NCP extinguishing output is protected
against reverse polarity and equipped with surge protection. Without the use of an ETB, this
extinguishing activation output is NOT protected against surge and reverse polarity. If the ETB is not
used then an end of line diode is required (1N5400, 1N4007, RL201, SF21).
13.3
M
ONITORED SOUNDER OUTPUT
This output, intended for the optical or acoustical alarm device, is monitored for short circuit and wire
break by placing a 10 KΩ end
-of-line monitoring resistor on the + and
–
connection (4 and 6) of the
alarm device such as on the VTB-32EM sounder see schedule sheet at 20.
