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Panasonic Electric Works Nordic AB
MEW01351
Rev: -
25
Planning Instructions Fire alarm system EBL512 G3, V1.1.x
Power supply
Main power source
Normally the EBL512 G3 control unit is powered by the built-in
rectifier (230 V AC / 24 V DC ±1%, 6.5 A).
Second power source
By loss of 230 V AC etc. the control unit is powered by a backup
140
, i.e. two Sealed Lead-Acid batteries, 12 V, 18 – 65 Ah (see
battery
tables on page 156 and forward).
There is space in the EBL512 G3 control unit for two Sealed Lead-
Acid batteries, 12 V, 28 Ah, physical size 175 x 165 x 125 mm.
Recommended type is Panasonic LC-X1228AP.
Larger batteries have to be placed outside the control unit.
The batteries and the rectifier are connected to the Main board 5010
(see dwg. 512 G3 – 21), which also handles the charging of the
batteries.
2 x 12 V,
18-65 Ah
Fuse F between the
batteries: T6.3A
BATTERY CHARGING CURRENT
MAX. 2.4 A (27.3 ±0.1 V)
BATTERY CHARGING CURRENT
MAX. 3.0 A (24 V)
Figure 32. EBL512 G3 power supply block diagram.
Fuses F, F1 & F2: T6.3A H 250 V (5x20 mm Ceramic).
Batteries inside the c.i.e.: Max. 28 Ah.
EBL512 G3 is a very flexible system, i.e. number of and types of loop
units, number of and types of expansion boards, ext. FBPs, ext.
equipment, etc. can vary from one control unit to another.
140
NOTE! The batteries (2 x 12 V) are not included in the Control unit type
no. 5000 & 5001. Batteries with the same physical size but with different
capacities are available on the market (e.g. 24 / 28 Ah).
BATTERY
CONTROL UNIT CURRENT
POWER
CONSUMPTION (INCL.
SUPPLY
CONNECTED UNITS / EQUIPM.)
(21-28 V)
MAX. 3.3 A
27 V
F2
T6.3A
24 V
=
MAINS, 230 V AC
152
)
See tables on
page 156.
MAIN BOARD
5010
T6.3A
F1
RECTIFIER CURRENT
MAX. 6.5 A (24 V)
~
POWER SUPPLY
(RECTIFIER) 5037
230 V AC / 24 VDC
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