SyStem FeatureS:

• Over53.000engineswellprotectedbyVISATRON®

• Automaticopacityadaptationtoengine innor-maloperation-FalseAlarmFreeSystemevenunderfrequentchangesinengineloadandrpm

• Extremelylowmaintenancecost-designedforenginelifetime

• ActiveDirtprotectionofopticsbycleanair-onlyavailablefromSchAllErAutOmAtiOn

• Designedforvibrationsbeyondclassificationrules

• classapprovalof11classificationsocieties

technicalinformation

SINCE 1956

OIL MIST DETECTION SYSTEMS VISATRON® Vn115/87plus

Vn116/87plus

Vn215/87plus

Vn115/87plusEX

...amemberofDiEmOS®family

2

VISatrON® techNIcal data a cOmpONeNt OF the dIemOS-SyStem

FunctiOnDEScriptiOn

DESign

AllOilmistDetectorsoftheViSAtrOn®familyarenotsup-posedtobedisposablepartsbutdesignedtolastfortheentireenginelifetime.

the measuring heads containing the optical system foropacitymeasurementaswellastheelectronicsaredesi-gned to be interchangeablewith the ones of the formerVn/87series,producedforalmost25years.

theair jetpump,theconnectorplug,thepipeconnectorbox(Vn115/87plus)resp.thevalvebox(Vn116/87plusandVn215/87plus)and theshock-absorbingmountingplatefor theactualmeasuringheadaresupportedonasturdybaseplate.

AllViSAtrOn®OilmistDetectorsareequippedwith3re-layoutputs:-Systemready-pre-Alarm-highOilmistAlarm(alsocalledmainAlarm)

AllViSAtrOn®-devicescontinuouslydrawtheatmosphe-refromeverycompartmentofthecrankcasebymeansofthesuctionsystem.thesuctionvacuumrequiredisgene-ratedbyawear-freeair jetpumpinthedevice, fedwithcompressedair(driveair).thesampleflow,consistingofthesucked-inatmospherefrom thecrankcasecompartments, isguided throughanoptical channel formeasuring turbidity. the sample flowturbidityismeasuredbytheabsorptionofinfraredlight.%Opacityisusedasthedimensionalunitoftheturbidity;100%Opacitymeanstotallightabsorption,and0%Opa-citynoabsorption.

theVn87plusseriesoffersthefollowingstandardfeatures:• Scavengingairchambersarenotsuppliedwithairfrom

theEngineatmosphere,butwithfreshpressurizedair,so theoptical system ismaximallyprotectedagainstdirtcontaminationandstaysclean.Alsothefiltersstaycleanforalongerperiod.

• Ameasuringheadheatingunitavoidsapossiblecon-densation, thedangerof falseAlarmduetohumidityaroundtheopticalsystemisbanned.

• An rS 485 interface permits the connection of theVn87plusseriestoaremotemonitoringunit,alterna-tivelyvia4-20mAconnection(jumper).

• Aseparatepre-alarmrelay,activatedat70%opacityofmainalarmlevel,willbeactivatedbeforeanenginestopwillbetriggeredbasedonahighconcentrationofoilmist(endangeringtheengine).

3

VISATRON®Vn115/87plusandVn115/87plusEx

• Basicdesign,suitableforthemonitoringoftrunkpis-tondieselengineswithin-lineandVcylinderarrange-ments,runningatmediumandhighspeed.

• inthecaseofdangerousoilmistgeneration,Alarmsig-nalviaAlarmrelayforhighOilmist.noindicationofOilmistsourcelocation.

VISATRON®Vn116/87plus

• Designsuitableforthemonitoringoftrunkpistondieselengineswithin-lineandVcylinderarrangements,run-ningatmediumandhighspeed.

• Damagedetectionviaaheaderpipesamplingsystemwithadisplayofthecrankcasecompartmenthalf(leftor rightsideof thepositionof thedetector) inwhichoverheatingdamagehasarisen.

• theheaderpipesamplingsystemisthesameasintheVn115,sotheVn116canreplacetheVn115withoutmodificationofthesuctionsystemiflocalisationofda-mageiscalledfor.

VISATRON®Vn215/87plus

• Devicesuitableforthemonitoringofcrossheadengi-nes running atmedium and slow speed, ecause theoilmistspreadsout fromthedamagedcompartmentmoreslowlythaninthecaseoftrunkpistonengines.

• Damagedetectionthroughtheindividualcompartmentsuctionpipesystem,withdisplayofthecompartmentwiththeoverheatingdamage.

applIcatION OF the dIFFereNt VISatrON® deVIceS aNd SuctION SyStemS

4

the detection of damage takes place through a headerpipesamplingsystemwithout localisationof thepointofdamage. themixtureof atmosphere from the crankcasepassesfromallindividualcompartmentsviatheheader

pipe through the detector‘s pipe connector box into theopacitymeasurementpathinthehousingofthemeasuringhead.thealarmthresholdcanbesetto4levels.

the dIFFereNt VISatrONS®

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Original A0 Dimension drawing VN115/87plus

von 2

DC180161 02CAD-ZeichnungBenennung Sach-Nr.Ausg. Datum Ze. RS Datum Name Blieskastel / Saar002 29.07.08 Mü Gez. 12.03.08 Winter003 11.04.16 JH Gepr.

Norm

M21:1

Werkstoff,Halbzeug Toleranzen Masstab

M25x1,5

G 1/2

A-A

G 3/4

G3/4

G 3/4

4 mountingholes for M8screws orthread bolts

compressed airconnection 2-15 barfitting G 1/4

120

175

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ca.113

108 ca.179

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the detection of damage takes place through a headerpipe sampling system with a display of the crankcasecompartment half in which the overheating damage hasarisen.themixtureofatmospherefromthecrankcasepas-ses fromall individualcompartmentsvia theheaderpipethroughthevalveboxintotheopacitymeasurementpathinthehousingofthemeasuringhead.iftheopacityofthemixtureofatmospherefromthecrankcaseexceeds10%ofthealarmthresholdthathasbeenset,aso-calleddamagecheckstarts.

thevalves in thevalveboxareswitchedoveraccordingtoacertainalgorithmduringthedamagecheck,until thehalfofthecrankcasecompartmentswiththeoverheatingdamagehasbeenfound.thealarmthresholdcanbesetto4levels.theincreasedsensitivity,incomparisonwiththeVn115/87plus, results from the fact thatanalarm is trig-gered if thedifference inopacitybetweenthetwohalvesofthecrankcasecompartmentexceeds20%ofthealarmthresholdthathasbeenset.

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162

Original A0 Dimension drawing VN116/87plus

von 2

DC180162 02CAD-ZeichnungBenennung Sach-Nr.Ausg. Datum Ze. RS Datum Name Blieskastel / Saar002 29.07.08 Mü Gez. 12.03.08 Winter003 11.04.16 JH Gepr.

Norm

M21:1

Werkstoff,Halbzeug Toleranzen Masstab

M25x1,5

G 1/2

A-AG 3/4

G3/4G 1/2

G 3/4

4 mountingholes for M8screws orthread bolts

compressed airconnection 2-15 barfitting G 1/4A

120

175

174

ca.112

ca.179

ca.5

3853

4652

123.5197

108

209

7.5140

111

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36

171

VISATRON®Vn115/87plus

VISATRON®Vn116/87plus

4

5

thedetectionofdamagetakesplaceviaasinglepipesam-plingsystemwithadisplayofthecrankcasecompartmentinwhichtheoverheatingdamagehasarisen.themixtureofatmospherefromthecrankcasepassesfromallindividu-alcompartmentsofthemeasuringhead´shousing.iftheopacityofthemixtureofatmospherefromthecrank-caseexceeds10%ofthealarmthresholdthathasbeen

set,aso-calleddamagecheckstarts.thevalvesinthevalveboxareswitchedoveraccordingtoacertainalgorithmduringthedamagecheck,untilthecrankcasecompartmentwiththeoverheatingdamagehasbeenfound.thealarmthresholdcanbesetto4levels.

the dIFFereNt VISatrONS®

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163

Original A0 Dimension drawing VN215/87plus

von 2

DC180163 02CAD-ZeichnungBenennung Sach-Nr.Ausg. Datum Ze. RS Datum Name Blieskastel / Saar002 29.07.08 Mü Gez. 12.03.08 Winter003 11.04.16 JH Gepr.

Norm

M21:1

Werkstoff,Halbzeug Toleranzen Masstab

compressed airconnection 2-15 barfitting G 1/4A

M25x1,5

G 1/2

A-A

G 3/4

4 mountingholes for M8screws orthread bolts

120

175

174

ca.112

ca.179

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108

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VISATRON®Vn215/87plus

mOuNtINg example

6

• Suitableforthemonitoringof4-strokeDiesel,gas-andDualFuelenginesin-lineorV-cylinderarrangements

• AtEx-certifiedforcrankcaseenvironmentaccordingtoii(2g)[ExopisiiBt4gb]

• inthecaseofdangerousoilmistgeneration,Alarmsi-gnalviaAlarmrelayforhighOilmist.noindicationofOilmistsourcelocation.

the detection of damage takes place through a headerpipesamplingsystemwithout localisationof thepointofdamage. themixtureof atmosphere from the crankcasepassesfromallindividualcompartmentsviatheheader

pipe through the detector‘s pipe connector box into theopacitymeasurementpathinthehousingofthemeasuringhead.thealarmthresholdcanbesetto4levels.

the dIFFereNt VISatrONS®

VISATRON®Vn115/87plusEX

10

ca.148

ca.180

angle freely

adjustable

195.

5

ca.186

175

120

15

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174

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164

Original A1 Dimension drawing VN115/87plus EX

von 2

DC180164 02CAD-ZeichnungBenennung Sach-Nr.Ausg. Datum Ze. RS Datum Name Blieskastel / Saar002 06.10.14 Wi Gez. 15.09.14 Winter003 01.07.16 Wi Gepr.

Norm

M21:2

Werkstoff,Halbzeug Toleranzen Masstab

M25x1,5

G1/2

flexible hose with screw connectionfor pipe - diameter 10mm

(included in delivery)

G3/4

compressed airconnection 2-15 barfitting G1/4

4 mounting holesfor M8 screws or

tread bolts

G3/4

G3/4

compressd air inlet003

7

VISatrON® techNIcal data

VISATRON®Vn116/87plusand

VISATRON®Vn215/87plus

Alarmthreshold2%*Opacity(seeBriefDescriptionoftheVn115/87plus),adjustablein4levelsfrom0,5%to25%Opacity.

Damagecheck-startthreshold0,24%*Opacity(seeBriefDescriptionof theVn116/87plus),adjustable in4 levelsfrom0,16%to0,55%Opacity.Differentialalarmthreshold0,49%*Opacity(seeBriefDe-scriptionoftheVn116/87plus),adjustablein4levelsfrom0,33% to 1,1%Opacity. Safety alarm threshold 2,44%*Opacity,adjustablein4levelsfrom1,6%to5,5%Opacity.*Factorysetting

pOwer Supply all VISatrONSElEctricpOwErSupply

SIgNal OutputS aNd dISplaySmAinAlArm

DriVEAirFOrthESuctiOnSyStEmAllViSAtrOnS

VISATRON®Vn115/87plus,VISATRON®

Vn115/87plusExandVISATRON®Vn116/87plusVISATRON®Vn215/87plus

2headerpipes(22x2mm)withthinnerbranchpipes(10x2mm)tothecrankcasecompartments,max.length9m.

individualpipes(14x2mm)fromeachcompartmenttotheOmD,max.length9m.

themaximumnumberofsamplingpointsforbothsystems(headerpipeandindividual)=10Suctionpressuremeasuredagainstatmosphericpressure60mmwc.

Voltage 24VDc-25/+30%,24Vbatteryorpowersupplyunit

note incaseofbatteryoperation,provideadirectpowersup-plyfromthebatteryterminalsdirectlytotheViSAtrOn-device!

currentconsumption max.2A

Adjustmentrangeforthesensitivity canbesetto4levels

remoteSignalling relaywith2potential-freeswitch-overcontacts,excitati-onwithamainalarm.

contactload max.60VDc,1A,60wwire-Breakprotection bridging then.o. contactswith33Kohm resistor.On

request,resistorwithothervalueisavailable.Displayonthedevice permanentlyredAlarmlED

Suction vacuum measured against the atmosphere 60mmwc.themeasurementisperformedwithau-pipema-nometeron themeasuringhead.theu-pipemanometeris a component of the service box (see accessories). Airconsumptionmax.2,5nm3/h(m3atatmosphericpressu-

re).thedriveaircanbetakenfromthepneumaticenginecontrolsystemorfromthestartingairsystem.Apressureregulationunit(seedevicelist)canbedeliveredasanoptionforpressurereduction;max.inletairpressure15bar(additional30barpressureregulatorisalsoavailable).

SeNSItIVItyVISATRON®Vn115/87plus

8

prE-AlArm

cABlEcOnnEctiOnS

Factorypre-Set to70%ofthemainalarmthreshold,notchangeable

remoteSignalling relaywithpotential-freecontact,opensforapre-alarmcontactload max.60VAc,2A,120VA/max.60VDc,2A,60wDisplayondevice blinkingredAlarmrelay

remoteSignalling relaywithpotential-freeswitch-overcontact,excitationwhenthedeviceisfunctioningtroublefree

contactload max.60VAc,2A,120VA/max.60VDc,2A,60wDisplayonthedevice greenready-lEDonwhenthedeviceisfunctioning

troublefree

remoteSignalling Byaremoteindicator,driventhroughtherS485inter-faceor4-20mA

Displayonthedevice BylEDchainwith14lED‘sdisplayoftheopacityrelativetothealarmthresholdin14steps,i.e.themainalarmistriggeredwhentheupperlEDisreached.

housingandbaseplate castaluminium.Supportplateforthemeasuringhead:stainlesssteelplatewithantivibrationsuspension

Allsurfaces lacquered,rAl7035Springs,boltsetc. stainlesssteelrubberpartsforvibrationreductionandselas oilresistant.Built-invibration

reductionfortheelectronicpartSystemofprotection ip54Opertingrange 0°cto70°cStoragetemperature -25°cto+80°c

Vn115/87plusnetweight 7,5kg

grosswithspecialpacking 12,5kgVn116/87plusandVn215/87plusnetweight 9,4kggrosswithspecialpacking 13,5kgVn115/87plusExnetweight 11,0kggrosswithspecialpacking 15,0kg

m25x1,5screwedconnectionsforthecableconnectionoftherelaycontactsandpowersupply

rEADy,inDicAtiOnOFDEVicEinOpErAtiOn

OpAcityDiSplAy

mEchAnicAlDAtA/tEmpErAturE

VISatrON® techNIcal data

9

comprehensiveinvestigationsondifferenttypesofengineshavemade clear that the sampling points for the oilmisthavetobeplacedintheinteriorofthecrankcaseatpointswherethehighestpossibleconcentrationofoilmistcanbeextracted, incaseofdamage,withouta lossof time.theconcentrationofthedrawnoilmististhemessageastotheconditionofthecrankdrivefortheoilmistdetector.itbeco-mesimperativethatagenuineinformationistransmittedas

asignalwiththegreatestpossibleintensityfromthepointofoilmistgeneration,sothatthesensitivityoftheoilmistde-tectordoesn‘thavetobesetunnecessarilyhigh.Otherwise,interferinginfluencesarealsoreceivedandevaluated.Oneofthemostimportantrequirementsforawell-functio-ningoilmistmonitoringsystemistheabsolutenecessityofavoidingfalsealarms.inaddition,thewaythesuctionsys-temisinstalledontheengineisofgreatimportance.

shows the conventional installationof aViSAtrOn® oilmistdetectorVn215.thepipeshavethenecessaryslopeforthereturnoftheoilthathasprecipitatedfromtheoilmist.Duetothisslope,thepipesrequireanotableareaoffreespace,extendingovertheentirelengthoftheengineandpart of its height, avoiding thisway that the pipesobstructtherequiredspaceforaccessingthecrankcasedoorsandcompartments,duringmaintenancework.

shows, the installation of a ViSAtrOn® oilmist detec-tor, type Vn215, with individual compartment suctionpipesystemconsistingof a space-savingsiphonblockassemblyset.theadvantageofhorizontalpipeinstalla-tioncanbeclearlyrecognised.Oilthatprecipitatesinthesuctionpipesisledbackintothecrankcasethroughthesiphonblocks.

shows a further alternative in tubing arrangement forVn115/87plusandVn116/87plus.toavoidcollectionofexcessiveoilinthehorizontaltubingsystem,oilseparati-onunitsareinstalled(seemarking).

showsthesectionalviewthroughasuctionheadwithitslabyrinth,whicheffectivelypreventssprayoilfromgettingintothesuctionpipesystem.

VISatrON® aSSembly SyStem

illuStrAtiOn1

illuStrAtiOn2

illuStrAtiOn3

illuStrAtiOn4

10

VISatrON® aSSembly SyStem

the engine wall connections join the labyrinth suctionheadslocatedinsidethecrankcasecompartmentandthesuctionpipesontheoutside,andareavailableinvariousdesignswith differentmetric or pipe thread sizes. laby-rinthsuctionheadswithdifferentpipelengthscanbeins-talled(seeillustration4).theenginewallconnectionscanbeusedforconventionalsuctionpipesystemsoralso inconnectionwithViSAtrOn®siphonblocks.

SchAllEr AutOmAtiOn has developed various typesofViSAtrOn®assemblyunits,inordertoadapttothein-stallation conditions on almost every engine design. theassembly units consist of a ViSAtrOn® OmD, a speci-fic engine adapted bracket, available for crosshead andtrunkpistonengines,anintegratedprotectivecover,anairpressureregulationunit,fixturesandfittingsforthecom-pressedairsupply.theassemblyunit isacomponentoftheViSAtrOn®assemblyset.SchAllErAutOmAtiOnsupplies special, ready-mademodular assembly sets forVISATRON®oilmistdetectors,foravarietyofenginetypesfromworldwidemanufacturers.Anoilmistdetectionsys-temforaspecificengine,(illustration6)consistsof:•theassemblyunitwithoilmistdetector•thepipeconnections,eitherwithenginewallconnections•orsiphonblocks•theready-madepipes•Allnecessaryfittingmaterial,suchaspipesupportsand•fasteningelements

pressure regulation unit (illus. 8) the pressure regulationunit consistsof apressure regulatoranda throttleblockwithanintegratedairfilter.thethrottleblockensuresthatthedriveairpressure in theViSAtrOn®oilmistdetectordoesnotincreasetoanexcessivelyhighlevelifthepres-sureregulatorfails,(e.g.failureofdiaphragm).thepressu-reregulationunitisdelivered,pre-assembledandreadytooperate,withitsbracket.

SchAllErAutOmAtiOnoffersaspecialdesignservice,set up for the ViSAtrOn® adaptation to the engine forquickassembly,thatisavailabletoallourclients.ServiceBox (illus.7)on request.theserviceboxcontainsall re-placementparts,toolsanddevicesnecessaryfortheiniti-aloperation,therepairandthefixingofmalfunctions.theamountofreplacementpartsintheserviceboxisdesignedinsuchawaythatastockofreplacementpartsisavailableforanoperatingperiodofoneyear.

illuStrAtiOn5

illuStrAtiOn6

illuStrAtiOn7

illuStrAtiOn8

11

SyStEmFEAturES

theideaofOmDEAistofindoutthehighestpossibleOmDsensitivityandsotheshortestresponsetimeatmaximumfalseAlarmimmunity,adaptedtoaspecificenginetype.

withreleaseoftheunifiedrequirements(ur)m10(‘pro-tectionof internalcombustionenginesagainstcrankcaseexplosions’)andm67(‘typetestingprocedureforcrank-case Oil mist Detection and Alarm Equipment’) in 2006,iAcS first-time requested similar tests via classificationsocietiesfornewenginetypesresp.vesselnewbuildings.

Omdea® OIl mISt detectION eFFIcIeNcy apprOVal

SchAllEr AutOmAtiOn offers damage simulation tointegrate theOmDSystem in best possiblemanner to aspecificenginetype.

Oilmistgeneratorsproviding realOilmist inorder tosi-mulatee.g.anacutebearingdamageatarunningengine.

ShanghaiShanghai

Singapore

Ft. lauderdale

headquarterblieskastel

germanybusan

Schaller autOmatIONIndustrielle automationstechnik gmbh & co. KgIndustriering 14 • 66440 Blieskastel • GermanyTel. +49 (0) 68 42 / 5 08 - 0 Fax +49 (0) 68 42 / 5 08 - 260info@schaller.de

For all asia:Key Account Management CenterSchaller Automation Singapore Pte. Ltd.114 Lavender Street#09-93 CT Hub 2Singapore 338729Phone +65 6643 5151; 24/7 ServiceFax +65 6643 5150

headquarter

SerVIce partNer: cONtact detaIlS See www.schaller.de

www.schaller.de

certifiedaccordingtoDinEniSO9001glc-cert.nr.QS-760hh

projekt:Smm2016Erstelltam:08/2016Version:1.0

for all Key Account Management Centers and Service Partners see: www.schaller.de

For all americas:Key Account Management CenterSchaller Automation LP811 Shotgun RoadSunrise, FL 33326United States of AmericaPhone: +1 954 794 1950 ext. 115Mobile: +1 561 289 1495Fax: +1 954 794 1951

For all europe, africa and middle east:ServiceSchaller Automation, Office HamburgAdmiralitätstraße 6020459 Hamburg / GermanyPhone: +49 (0) 40 / 253 2985 10Fax: +49 (0) 40 / 253 2985 29service.hamburg@schaller.de