Panasonic Electric Works Nordic AB
MEW01351
Rev: -
Planning Instructions Fire alarm system EBL512 G3, V1.1.x
11
2.2.8
Conventional zone line input / External line
Input intended for one or more conventional alarm points. End-of-line
device in the last alarm point on the line.
2.3
Output unit
Addressable unit with programmable control outputs. Connected to a
COM loop (see below).
2.4
Output / Control output
Defined or programmable function. Relay output or voltage output
(supervised / monitored or not), in the c.i.e. or an output unit
connected on a COM loop.
2.5
Short circuit isolator (ISO)
Addressable unit for automatic disconnection of a part (segment) of a
COM loop (see below) in case of short circuit on the loop.
(According to EN54-2, one ISO is required per 32 alarm points.)
2.6
Display unit (D.U.)
Addressable unit for fire alarm presentation (incl. user definable alarm
text messages, if programmed).
2.7
COM loop
Loop = a cable, with two wires, to which all the addressable units can
be connected. Starts in the c.i.e. and it returns back to the c.i.e.
2.8
Control Unit / C.U. / C.I.E.
C
ontrol
U
nit =
C
ontrol and
I
ndicating
E
quipment = Unit to which the
alarm points are connected (via e.g. a COM loop). Indicates fire
alarm, fault condition, etc. Fire Brigade Panel & Control Panel, i.e.
the front, included or not included. Printer included or not included.
2.9
Fire Brigade Panel (FBP)
Unit intended for fire alarm presentation, etc. for the fire brigade
personnel. Can be a part of the control unit (a part of the front) or a
separate unit (external FBP).
In the ext. FBP, a printer can be included or not included.
2.10
Control panel (CP)
A part of the control unit (a part of the front), intended for the building
occupier, service personnel, etc., to "communicate" with the control
unit / system.
2.11
System
One control unit or several control units connected via a TLON
network (co-operating control units).
