Siemens FC700A manual Emergency power supply, Specifying battery capacity

Page 54

Emergency power supply

23 Emergency power supply

23.1Specifying battery capacity

23.1.1Battery rated capacity

The battery rated capacity is based on the discharge over a period of 20 hours

Faster discharge causes a loss of capacity:

Discharge over 12-hour period:

9% loss (K = 1.1)

23.1.2Ageing of battery

With increasing age, the battery suffers a loss of capacity Allow a safety factor for ageing

(Total quiescent current y 1.25 or battery capacity y 0.8)

> 24h in conformity with DIN VDE 0833, part 2, no safety factor is necessary

23.1.3Calculation

Battery capacity must be calculated individually!

Formula: Ah = A x h x 1.25 (poss. x K)

Ah

= Battery capacity in Ah

A

= the sum of the quiescent current for all modules

h

= Required operating period in hours

1.25= Safety factor for ageing

K= Capacity loss if discharge is over considerably less than 20 hours

23.2Capacity values for standard configurations

Configuration

 

Quiescent current

Battery capacity requirement for

 

12h

24h

72h

 

 

 

128 detectors addressable

7outputs

235mA

3,8Ah

7,0Ah

16,9Ah

16 collective lines

7 outputs

315mA

5,1Ah

9,4Ah

22,6Ah

Notes:

Equipped with 1 control terminal B3Q700

Discharge over a 12-hour period, 9% loss of capacity taken into account

Factor 1.25 for ageing taken into account at 12h and 24h (72h without safety factor)

Without remote transmission equipment

Only quiescent current taken into account

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Siemens Building Technologies

007836_a_en_--.doc

Fire & Security Products

03.2004

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Contents Planning Page Modifying the impedance of the various C-Bus cables 12.3 21.1 About this document Modification index ConventionsDocument identification Place SignificationSignal words and their meaning Safety regulationsSignal words and symbols Symbols and their meaningElectrical installations Safety-relevant working instructionsClassification and meaning of additional symbols Assembly, installation, commissioning and inspection workTesting the product operability Modifications to the system design and the productModules and spare parts Main features StationsTechnical data FC700A Linking Logical and physical structureLogical structure Physical structureSynoLOOP and SynoLINE600 Bus systemsBus LON-BusBus overview Modifying the impedance of the various C-Bus cablesRd = Ri x 3,65 45Ω Ri 200Ω Diagram Ri OhmTypes of stations Bus stationsStation HardwareBUS Logical Areas Limitations of C-Bus participants Main CPU limitsLimits of 5V supply Control terminal limits FC/FTMaximum number of I-Bus-modules Limitation of visible texts on a FC700AGateway limits FG Specify hardware required Configuration Control unit FC700ABlock diagram ModulesFC700A Auxiliary power supply Component Order-No DescriptionOptions FeaturesControl terminal B3Q700 FC/FT Plexiglas door to B3Q700 FC/FTPlace of the E3I020 RS232 module FT Place of the E3I040 LON interface FTInstallation possibilities FT Loop C-Bus Power supplyControl unit FC700A EN54 requirements12.7 Modules Range of cabinets H23 / H26 / H28 H23G230 H26G220 H28G200Recessed mounting H23G230 and H28G200 H23U220 H23U230 H23G230 H23Z230H28Z010 H28G200 14 19 accessories Overview Special featuresLine modules Input/output modulesDetection line addressable SynoLOOP RoomDetection line collective SynoLINE600/-Ex SynoLINE600-ExCollective detection line Connection factors, line resistances and capacitan- cesTerminology and abbreviations Addressable detection lineLine resistance and capacitance Max. C Max. RMeans of linking Control modulesApplication of control modules Overview of the available modules with control outputsControl outputs station type FC700A Control outputs remote station type FT700ACPU-overlapping controls All-AREAsingle-AREAMimic Display panel outputs K3R072Z3I530 F12A100 Relay outputsK3G060 F12A470LON-Bus devices LON-Bus as stub lineLON-Bus as free topology 18.4 LON/Mimic Display p.c.b K3I050LON I/O card K3I110 Indicator devices B3Q580 and B3Q590/595 H23G230 B3Q580Main features GatewayApplication Modules Remote transmission Remote transmission deviceInterfacing Printer interface Application variant FTApplication variant FC Auxiliary power supply Power supplyPower supply for the control unit ConceptOperation with power supply from control unit 24V / 0,63AEmergency power supply Specifying battery capacityCapacity values for standard configurations Quiescent current table Alarm concept Cerberus Alarm Concept CACPrinciple of the Cerberus alarm concept Determine the alarm organization Organization of system operationCommissioning Parameterization, Flash programming Functions27 FC700A modules in alphabetical order FC700A modules in alphabetical order Spare parts EOL22Auxiliary power supply Configuration sheetsList of configuration sheets B3Q580/590/595, B3R051Inscription sets Cable, terminals, relay Z1K030View a Control terminal FT700A Control terminal FTDisplay & operating terminals Externally placed modules Details see .7 / 17.9Page 007836aen

FC700A specifications

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