UniPOS 6202L User manual

Brand: UniPOS

Model: 6202L

Category: Fire protection

Type: User manual

5.SERVICESCHEDULE

Table1

TaskPeriodicity

1.Inspectionforvisiblephysicaldamageweekly

2.Satisfactoryoperationtest monthly

3.Checkandcleandustcontaminationevery6months

4.CheckandcleanbaseandheadcontactsandconnectionsAnnually



6.WARRANTY



ThemanufacturerguaranteesproductcompliancewiththeEN54-7:2001.Thewarrantperiodis36

monthsfromthedateofpurchase,providingthatrequirementscoveredinsection5havebeen

observed.



UniPOSLtd



SHORTCIRCUITISOLATOR6202L



1.INTRODUCTION

Shortcircuitisolator6202Lisdesignedtocutoff(toisolate)ashortcircuitedsegmentinaline

(loop).Inthiswaythevariableunitsñautomaticfiredetectors,manualcallpointsandothers,which

arenotintheshortcircuitedsegmentremainactiveandtheline(loop)protectionlevelishigher.

Whereisolatorsarenotincluded,incaseofashortcircuitthefirecontrolpanelinterruptsthepower

supplyoftheline(loop)andallunitsstopworking.

Asegmentisapartofaloopbetweentwoadjacentisolators.



2.TECHNICALDATA

2.1.Supplyvoltage-(18-26)VDC

2.2.Currentconsumptioninquiescent

state,at26VDC-notmorethan100µA

2.3.Equivalentresistanceofisolatorinaline:

-inquiescentstate-<1Ω

-inalarmstate->6,5kΩ



2.4.Connectiontofirecontrolpanel-two-wire



2.5.Degreeofprotection-IP40



2.6.Operatingtemperaturerange-minus10°—/plus60°—



2.7.Temperaturelimits-minus40°—/plus70°—



2.8.Relativehumidityresistance-(92+3

-2)%at25°—

2.9.Dimensions(baseincl.):

-diameter-∅106mm

-height-48mm

2.10.Weight(baseincl.)-0,150kg



3.STRUCTUREANDFUNCTION

Theshortcircuitisolatorlayoutisseenonfig.16202Lconsistsoftwomainparts:abaseandan

isolatorhead.Thelattercomprisesacircuitboard.Thecontactplatesarefixedtothebase.

Theisolatorheadisfixedonthebasebythemeansofbayonetjoints.Whenlocatingtheisolator

headonthebase,makesurethebenchmarkstandsabout20mmbeforetherespectivebench

markonthebase;thenrotateclockwisetofix.Thebenchmarksshouldfullycoincidewhenfixed.

Option:Aflatpointscrewisprovidedontheadapterheadtopreventunauthorizedremoval.A2

mmtipscrewdriverisrequiredforlockingandunlocking.



ST

Isolatorhead

Base

Leadingbench

marks

LED

LED

Flatpointscrew



Fig.1



Theshortcircuitisolator,connectedbetweentwoadjacentsegments,monitorstheresistanceofthe

segments.Whenresistancevaluereachesafixedlowthreshold,theisolatorswitchesovertoalarm

state.ThesurfaceyellowLEDsilluminateandtheline(loop)powersupply(negativewire)is

interruptedinisolatoríspointofconnection.Whentheresistanceoftheisolatedwiresegmentis

restoredtothenormallimits,theisolatorautomaticallyswitchesovertoitsquiescentstate.The

LEDsextinguishandthepowersupplyisresumed.Isolatordiagramisfullysymmetricalinrelation

totheinputandoutputwiresegment.InLineconfiguration(fig.2.1.)duetoonesidepowersupply

theisolatoriscapabletoisolateshortcircuitdetectedinthesegmentaftertheisolatorinrelationto

thefirecontrolpanel.InLoopconfiguration(fig.2.2.)duetobothsidespowersupplytheisolatoris

activeinbothdirectionsñi.e.theshortcircuitedwiresegmentisisolatedbytwoadjoiningisolators.

WheninLineconfigurationconnectisolatorsatthebeginningofaline;inLoopconfiguration

connectisolatorsatbothloopends;useoneisolatorformaximum32firedetectors.



4.PREPARINGTHEISOLATORFOROPERATION



4.1.Connectiondiagram



Connectiondiagramofisolatorbasetoshieldedfirealarmlineisshownonfig.2.1ñline

configuration,andonfig.2.2ñloopconfiguration.



2

5

1

4

2

1

54

4

5

12

Shield

FS6000Fire

ControlPanel

Firedetector

Address1

IsolatorFiredetector

Address127



Fig.2.1.



1

5

2

4

2

1

54

1

54

2

54

12

5

1

4

2

Shield

Firedetector

Address001

Isolator

Shield

FS6000Fire

ControlPanel

Firedetector

Addressxxx

Firedetector

Address127

Isolator

FS6000Fire

ControlPanel

Fig.2.2.



4.2.Ãounting



Separatethebasefromtheheadbyturningtheisolatorheadinananti-clockwisedirection.

Feedtheconnectioncablethroughthecableentryinthecentreofthebase.Fixthebaseonthe

ceilingusingappropriatefixings.Completethewiringasshownonfig.2.1or2.2.

Replacetheisolatorheadonthebasebyofferingtheisolatorheadtothebaseensuringbench

marksarenomorethan20mmapart.Rotatetheisolatorheadinaclockwisedirectiontocomplete

location.

Locktheisolatorheadtothebasebyscrewingtheflatpointscrew,usinga2mmtipscrewdriver,

ensurenottoovertighten.



4.3.Testing



Accordingtofig.2.1theisolatorissuppliedwithoutputvoltage18VDCñ26VDCandoutput

resistancenotlowerthan20Ω.Terminals4and1aretobeterminatedbyresistor<20Ω.Upon

activationtheyellowLEDisilluminatedandremainsactiveuntilshortcircuitiseliminated.

Exchangethewires,connectedtoterminals1and2.Completethesametestprocedureto

terminals4and2.

Shortcircuitisolatorsaretested,inrealconditions,byterminatingthenegativeandpositivewires

(aftertheisolator)ofthelineorloopconfiguration.

UniPOS 6202L User manual

Brand: UniPOS

Model: 6202L

Category: Fire protection

Type: User manual

Download PDF

report

UniPOS 6202L User manual

UniPOS 6202L User manual

Related papers

Other documents