Fire alarm systems
Analog base
with isolator
4313
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Common base for the different analog detectors
Built-in short circuit isolator
Easy connections incl. output for external LED
Common base
COM loop address
The COM loop address for the isolator is set
with an Address setting tool 3314, which is
also used to set the mode:
The analog base 4313 is connected to a
COM loop. Any analog heat, smoke and
multi detector types 33xx / 430x can be
plugged in the base. (For required type of
base, see Product Leaflet for the detector
type respectively.)
NORMAL mode: Short circuit isolator
4313 in system EBL128.
2330 mode: Short circuit isolator 4313
(2370/4370 in Win512) in system EBL512.
Short circuit isolator
The analog base 4313 has a built-in short
circuit isolator with the same functions as
the Addressable short circuit isolator 4370.
2312 mode: Not used for 4313.
Miscellaneous
The base has an address label (Al) where the
detector's and isolator's COM loop addresses
can be written.
The short circuit isolator will divide the
COM loop into segments. A segment is the
part of a loop between two isolators or
between one isolator and the c.i.e. In case of
a short circuit on a COM loop, only the
affected segment will be disabled, i.e. the
number of disabled loop units is minimised.
All other loop units will continue to work
normally. Up to eight isolators (4313 and/or
4370) can be connected on each COM loop.
Individual fault signal is obtained if wrong
type of detector (compared with the
programming) is plugged in the base or if
the detector is unplugged. A short circuit or
a single break (cut-off) on the loop will
generate a fault and a fault message, e.g.
short circuit or break, COM loop number
and between which isolators.
Easy connection
The base has screw terminals for the COM
loop (in/out) and an external indicator
(LED), e.g. 2218.
For more information regarding detector
types, connections, etc. see Planning
Instructions and connection diagrams for the
system respectively.
Product applications
Label holder
Used in the systems EBL512 / 128 to
An optional label holder could be mounted
in the base (in the label holder recess) and is
intended for a label showing "zone-address"
etc. Can be read also when the detector is
plugged in the base and is ceiling mounted.
increase the COM loop safety.
The base is intended for indoor use and in
dry premises.
Panasonic Electric Works Fire & Security Technology Europe AB
Jungmansgatan 12, SE-211 19 Malmö, Sweden
Tel: +46 (0)40 697 70 00 • Fax: +46 (0)40 697 70 99
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