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All technical features and data are subject to changes without notice, resulting from continuous development and improvement.
Product Leaflet Date of issue Revision / Date of revision
MEW00503 2006-04-04 2 / 2007-01-29
Type numbers
4550 EBL128 c.i.e. (128 addresses). Batteries are not included.
4552 RS485 transceiver component, for up to four display units, i.e. Ext. Fire Brigade
Panels 1826 / 1828, Ext. Presentation Unit 1728 and/or Alert Annunciation Units
1735 / 1736.
4551 Expansion board holder. (For two 4580 and two 4581 expansion boards.)
4580 8 zones expansion board. (Max. two per c.i.e.)
4581 8 relays expansion board. (Max. two per c.i.e.)
The 4580 board can be used to connect conventional detectors and manual call points to
EBL128. An end-of-line capacitor (470 nF) shall be connected in the last alarm point on each
zone line.
More information is available in the EBL128 Planning Instructions & Operating Instructions.
Technical data
Voltage
primary (V AC)
secondary (V DC)
normal
by battery backup
230
24
21 - 30
Current consumption (mA) Depending on connected units, etc. See EBL128 Planning Instructions.
Ambient temperature (°C)
Operating
storage
-5 to +40
-40 to +75
Ambient humidity (% RH) max. 95, non condensing
Ingress Protection rating (estimated) IP32
Inputs 1 COM loop for 128 addresses
1 programmable input (NO / NC). R>200Ω = open circuit. Max. 2 mA
Outputs 1 programmable supervised voltage output (24 V DC, max. 500 mA)
1
1 programmable supervised voltage output (24 V DC, max. 200 mA)
2
1 programmable relay output.
3
Default set for routing equipment (Fire
brigade tx).
1 non-programmable relay output.
3
For routing equipment (Fault tx).
Power supply (24 V DC, max. 200 mA) for routing equipment
2
Power supply (24 V DC, max. 500 mA) for external equipment (Web-
server, up to 4 ext. FBPs, etc.) Web-server requires approx. 65 mA.
1
Interfaces RS232 ("D" connector) for a PC (Win128)
RS232 for a Web-server 1588
Socket for an optional RS485 transceiver, for ext. FBPs, EPUs and/or
AAUs.
Size H x W x D (mm) 511 x 416 x 123
Weight (kg) 12.2 (Excl. Batteries)
Colour (metal cabinet) Aluminium & light grey (NCS S1500-N, PMS Cool Grey 2)
Approvals CE; EN54 parts 2 & 4. The front is fully SS3654 compliant.
Note! All voltages are nominal. For more information see EBL128 Planning Instructions MEW00508.
1
Continuous 500 mA, 620 mA during 30 ms.
2
Continuous 200 mA, 240 mA during 110 ms.
3
Relay contacts: max. 1 A @ 30 V DC.