Cable Types; Com Loop Cables; Ext. Fbp / Epu / Aau Cables; Conventional Zone Line Cables - Panasonic EBL128 Planning Instructions

Fire alarm system
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Panasonic Electric Works Nordic AB
MEW01090
Rev: 3
17
17.1
17.2
17.3
17.4
17.5

Cable types

A fire alarm installation is a safety installation and it is important that
the cables used are correct types and according to national regulations.
Fire alarm cables should, when possible be installed away from other
cables, in order to avoid disturbances caused by these.

COM loop cables

Loop topology is used for highest safety, i.e. the cable connected in
EBL128, returns back to EBL128. See drawing 128-21. In case of a
single break on the loop the communication starts in both directions
and a fault is generated (and a message is displayed).
The cable length is depending on the number of and type of loop units,
the type of cable, etc. See chapter "COM loop cable length", page 131
and drawing 128-11.
ELQYB 2 x 1 mm (0.75 mm
ELQYB 10 x 2 x 1 mm or equivalent when feeder line is required.
NOTE! If screened cable is used, the screen shall be connected as
close as possible to each loop unit and only incoming (or outgoing)
cable screen to the EBL128 earth point, see drawing 128-01.

Ext. FBP / EPU / AAU cables

RS-485. See drawing 128-23. Cable length < 1200 m to the furthest
situated ext. FBP / EPU / AAU.
2 x ELQYB 2 x 1 mm (0.75 mm

Conventional zone line cables

See drawings 128-26 & -30.
Multipurpose I/O unit 3361 and expansion board 4580 respectively.
ELQRB 2 x 0.6 mm (0.3 mm
resistance. For the 4580 zone line inputs with end-of-line capacitor
470 nF, max. 50 nF cable capacitance.

Alarm device cables

See drawings 128-22 and -28.
ELQRB 2 x 0.6 mm (0.3 mm
ELQRB 10 x 2 x 1 mm (0.75 mm
required.
NOTE! Addressable Alarm devices (sounders, etc.) are connected
directly on the COM loop.

Other equipment cables

Ex equipment (Intrinsically Safe) for hazardous areas, see drawing
128-32.
External indicator (LED), door release magnets, etc.:
127
EBL128 Planning Instructions V1.1.x
2
) or equivalent (twisted pair).
2
) or equivalent (twisted pairs).
2
) or equivalent. Max. 50 ohm cable
2
) or equivalent.
2
) or equivalent when feeder line is

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