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The Rotary Cam Switch Line

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Page 1:No.715134E.Edition0712;Subjecttomodification.Replacesedition0012.... rugged and reliable for decadesThe Rotary Cam Switch LineBalluff GmbHSchurwaldstrasse 973765 Neuhausen a.d.F.GermanyPhone 49 7158 173-0Fax 49 7158 5010balluff@balluff.de www.balluff.comObject DetectionLinear Position SensingIndustrial IdentificationIndustrial Networking and ConnectivityMechanical Accessories

Page 2:Balluff is a world leader inthe field of position sensing.Our products rangeincludes electronic sensors,transducers based onvarious operating principles,identification systems, bus-compatible sensors as wellas mechanical and inductivesingle and multiple positionswitches. Balluff productsare found wherever accuracyand reliability are demanded.Whether it's automation,object detection or rotaryand linear motion feedback –Balluff is always the rightpartner.Our QM system meets therequirements ofDIN EN ISO 9001:2000.Eleven Balluff companieshave a certified QM system,and two a certified environ-mental management system.Through the mastery ofprocess-capable productionand assembly technologiesas well as statistical processcontrol, we achieveconsistently high productquality. Intensive testingbefore series productionguarantees reliable function.With more than 50 years ofexperience in the field ofsensors, Balluff is today oneof the most capablemanufacturers of standardas well as custom rotarycam switches.Innovative engineering andapplication-specific customsolutions are the outstandingfeatures of our entire productrange.Highly qualified developmentengineers and experienceddesigners work closely withthe production areas toguarantee mature standardproducts which can be usedsuccessfully and reliably inevery area of automation –even under extremeoperating conditions.Protecting the environmentand thrifty use of energyand raw materials are basicprinciples of our company.Our environmentalmanagement system hasbeen DIN EN ISO 14001certified by the DQS since2000.The CE Marking is yourguarantee that our productsmeet the requirements ofEC Directive 89/336/EC (EMCDirective) and 73/23/EC(Low-Voltage Directive).QM System(Quality ManagementSystem)

Page 3:The Rotary Cam Switch Line123451iwww.balluff.comwww.balluff.comThe Balluff TestingLaboratory operates inaccordance with ISO/IEC17025 and is accreditedby the DATech for Testingof ElectromagneticCompatibility (EMC).The Test Mark is yourassurance that our productsconform with therequirements of the followinginstitutions: "US SafetySystem" and "CanadianStandards Association"under the auspices ofUnderwriters LaboratoriesInc. (UL).BSW 819-492BSW 819-493BSW 819-494BSW 813-493BSW 813-495BSW 816-203BSW 816-204BSW 816-207BSW 813-494Switch elementsSpeed monitorCouplingStep-up/step-down gearBasicsMechanicalRotary Cam SwitchesMechanicalRotary Cam SwitchesDIN EN 60204-1/VDE 0113InductiveRotary Cam SwitchesMixedAssembliesAccessories,Replacement Parts

Page 4:Rotary cam switches areused for controlling,automating, monitoring andcounting work and cyclesequences based on givenmovements of a machine.ApplicationsBalluff rotary cam switchesare used successfully onpresses, stampingmachines, forging presses,sheet metal formingmachines, weldingmachinery, machine tools,packaging machines,assembly machinery, transferlines, transport equipment,lifts, elevators, constructionmachinery, miningequipment, steelworks andin the automobile industry.Mechanical and InductiveRotary Cam SwitchesFeatures,ApplicationsTheir proven design principleand large number ofpossible switchingoperations as well asconsistent inspection ensurelasting quality and reliability.The system for translatingmachine programsTwo independently rotatingeccentric cam rings oneach switch position enablestepless setting of pulseduration (on- and off-point)and pulse location (0° to360°).The machine program set tothese parameters runsautomatically. A mechanicalor inductive switch elementpasses electrical controlcommands to the machinecontroller.Reliable switching underextreme conditionsBalluff rotary cam switcheshave for decades proventhemselves under the mostdifficult conditions. Theyensure trouble-free functionunder conditions of vibration,shock, rapid temperaturefluctuations and heavypresence of chips. Inductiverotary cam switches alsofeature high electromagneticcompatibility.Safety of man andmachineFor safety functions such asE-Stop or end-of-travelrestriction, Balluff designsspecial safety rotary camswitches to DIN EN 60204-1/VDE 0113, which offer thehighest level of safety.DIN EN 60204-1/VDE 0113..Standard andapplication-specific rotarycam switchesIn addition to standardapplications, Balluff offersspecial rotary cam switcheswith features such as shaftbreak security as part ofthe safety regulations of theGerman Iron andMetalworkers Association.Included in the scope ofdelivery are also specialversions with additionalsecuring of the cam rings. Avariety of accessories suchas couplings and gears aswell as additional equipmentfor special applicationsround out this versatile line.

Page 5:Mechanical and InductiveRotary Cam SwitchesFeatures,ApplicationsMechanical rotary camswitchesRotary cam switches withmechanical switch elementsare used for rotary speedsup to 300/min.The following torques areneeded to turn the rotarycam switch shaft with evenactuation of all plungers.3-position BSW 0.5 Nm6-position BSW 1.0 Nm9-position BSW 1.5 Nm12-position BSW 2.0 Nm20-position BSW 3.5 NmIf multiple rotary camswitches are coupledtogether, the torques for theindividual rotary camswitches add up accordingly.When the rotation speedis changed using gearing,the torque changes also inrelation to the step-up orstep-down.Drive typeThe rotary cam switches can be driven from either the rightor left side by a standard shaft end (40 or 20 mm long,∅ 20 mm) with fit-in key. Each shaft end has an M10 centerthread 9 mm deep.3iFeatures– No mechanical wear– Up to 20 switch positionsin one housing– Wear- and maintenance-free– Switching frequencies upto 1500 Hz– AC-, DC-, 2-wire andNAMUR switch elementswith different switchingresponse for any electricalrequirement– Can be retrofitted withspeed monitor, couplingand step-up or step-downgearsSafety rotary camswitches meeting tradeassociation requirementsSpecial rotary cam switchesfitted with shaft breakmonitoring as part of thesafety requirements of theGerman Iron andMetalworkers Associationare also included.Depending on the specificrequirement, the rotary camswitch can be equippedin part or completelywith forced opening creepswitches (BSE 61) toEN 60 947-5-1: 1997 foruse as safety rotary camswitches in accordance withthe safety rules for presssafety (ZH 1/457).Special versions withencoderOn request.Features– Plexiglas protective coveragainst unauthorizedaccess– Cam rings with securitydevices againstunintended adjustmentAccessories, Spare Parts– Electromechanical switchelements– Inductive switch elements– Speed monitor– Coupling– Step-up/step-down gearFeatures– Up to 20 switch positionsin one housing– Rugged construction– Maintenance-free, longservice life– No tightening or looseningof the cam rings– Creep or snap switchelements with forcedopening in accordancewith DIN EN 60204-1/VDE 0113 for the greatestpossible safety– Enclosure rating IP 65– Mixed assemblies withsafety and standardswitch positions possible– Broad range ofapplications– Can be retrofitted withspeed monitor, couplingand step-up or step-downgearsInductiveRotary Cam SwitchesNon-contact electronicswitching. The switchingoperation is triggered byinduction in an electronicswitch element. Suitable forrotary speed up to 700/min.

Page 6:MechanicalRotary Cam Switches ConstructionConstructionThe shaft, cam ring set andplunger which actuates themechanical switch elementsare contained in a ruggedhousing.The housing is divided into alower section and cover,which are joined by hinges.M25×1.5 cable fittings arelocated on three sides of thelower section for electricalinstallation.A transparent shield protectsthe free shaft end oppositethe drive side from touchingand allows you to view thescaling ring with etchedmarkings.Balluff rotary cam switchescan be ordered with 3, 6, 9,12 or 20 switch positions.Mounting holes for flange-mounting couplings andgear units (see Accessories)are located on both bearingflanges of the rotary camswitch).A cam ring set for eachswitch position is located onthe shaft for actuating theindividual switch elements.The shaft runs inmaintenance-free bearings.A cam ring set consists of:– a support ring with scale– two independentlyadjustable cam rings withadjusting rings– a compression disc withscale.This construction enablesstepless adjustment of theswitching points for eachindividual switch positionbetween 0° and 360°without having to loosen ortighten a nut or screw.The switching point ismarked by a line on eachcam ring.The support ring andcompression disc attachedto the shaft have degreesmarked in oppositedirections for steplesssetting of the pulse lengthand position.The scale ring, which is alsoreads in both directions,allows the respectiveposition of the shaft to beread off.Shield for shaft endScale ringCam ring setHousingShaftSwitch element4Cam ring with adjusting ringSupport ring with scaleCompression disc with scale

Page 7:MechanicalRotary Cam SwitchesSwitch Elements,Switch CharacteristicsThe right switch elementfor every applicationThe switch elementdetermines the switchingbehavior and, in emergencycases, the switching safety.Balluff offers switch elementsfor various functions.www.balluff.comSwitch elements forstandard applicationsRotary cam switches forstandard applicationswithout safety function arefitted with snap switchelements. Our line includesthe following variants:Snap switch elementBSE 67Single-pole changeoverSnap switch elementBSE 44.0Dual changeover, onenormally open and onenormally closed, galvanicallyisolated.5i

Page 8:Multiple rotary camswitches with safetyswitch positionsper DIN EN 60204-1/VDE 0113ApplicationFor use in safety circuits perDIN EN 60204-1/VDE 0113,e.g. for end-of-travelrestriction and E-Stop, rotarycam switches can be fittedwith safety switches at all orindividual switch positions.MechanicalRotary Cam SwitchesDIN EN 60204-1/VDE 0113ConstructionSwitch Elements, Switching CharacteristicsSwitch positioncombinationsSwitches with safety switchpositions can be assembledusing both other mechanicalelements and inductiveelements. Such mixedassemblies can be providedon request. Refer also toSection 4.Safety switchpositionsare indicated byred notches.Switch elements forsafety functionsSwitch elements for safetyfunctions, such as E-Stop,end-of-travel restriction,have forced openingcontacts in compliance withDIN EN 60204-1/VDE 0113.We offer the followingvariants:Creep switch elementBSE 61NC, double-interrupting,forced opening.Snap switch elementBSE 85Dual changeover, normally-open with snap function,normally-closed forcedopening, double interruption,galvanically isolatedMechanical rotary camswitches with safetyswitch positions incompliance with tradeassociationEN 60 947-5-1: 1997 incompliance with thesafety rules for press safety(ZH 1/457).For sizes:BSW 813-493-X64with 6, 9, 12 or 20 positions6

Page 9:Cam ring setSwitch elementInductiveRotary Cam Switches Constructionwww.balluff.comConstruction of theinductive rotary camswitch standard seriesThese rotary cam switchesuse the same housing asthe mechanical versions, butdifferent cam ring sets.The switching function ishandled by an inductiveswitch element whose activesurface is dampedcontactlessly by the targetdiscs (cam ring sets).Two independently rotatableeccentric cam rings(180°), with exact edges forprecisely defining theswitching point, are used todetermine the pulse lengthand pulse position.Principle of operationWhen the cam rings dampthe switch element, energy isremoved from the oscillator,and the oscillator voltagedrops. This changes thestate of the output signal inithe switch element.The switch elements aresuitable for direct logiccontrol.High-quality NeoprenesealInductive switch elementsVersions DC (PNP/NPN,NO/push-pull), AC (NO, NC),DC 2-wire (NO, NC),NAMUR.7iCam ring with adjusting ringSupport ring with scaleCompression disc with scale

Page 10:Rotary cam switch withsecurable cam ringsInductiveRotary Cam Switches ConstructionConstruction ofinductive rotary camswitches BSW 816-207In contrast to the standardseries, here the shaft is fittedwith foil carrier discs insteadof cam rings.The two-part foil carrier discis made of plastic with aguide scale from 0° to 360°with a clamp for holding thedamping section.Aluminum foils are (withpolyester or aluminumcoating) are used to dampthe individual inductiveswitch elements and aresteplessly adjustable on thefoil carrier disc and canbe clamped at any angle.Depending on theapplication each switchposition can also be fittedwith several equally orvariously long aluminum foils(corresponding to pulses).For these rotary camswitches the same housingsand same switch elementsare used as for the inductiverotary cam switches in thestandard series.Special versionFor run checking or speedmonitoring an etched, epoxyresin coated copper foilis available for retrofitting aswitch position.8Foil carrier discClampTensioning disc

Page 11:Mechanical and InductiveRotary Cam Switches Special Configurationswww.balluff.comRotary cam switches withsecurable cam rings X64These rotary cam switchesare also equipped with asecuring fixture, i.e. eachindividual cam ring isequipped with an adjustingring and security plate. Bysimply bending the securityplate into the slots of theadjusting ring each individualcam ring can be secured atany desired angle position(no drilling out necessary).Rotary cam switcheswith speed monitor or runcheckingThe switch position furthestaway as viewed from thedrive side of the rotary camswitch is equipped, insteadof the usual cam ring set andthe corresponding snapswitch, with a pulse sensor,consisting of a toothed discwith 30 teeth (= 30 pulsesper revolution) and inductiveelectronic switch element(NO and NC).The rotary motion of the camswitch shaft is monitored bythis pulse sensor andevaluated with a speedmonitor.Rotary cam switches withadditional speed monitoror run checkingThis rotary cam switchesincludes an additional pulsesensor, so that no normalswitch positions have to besacrificed. There are twoversions available.– One pulse wheel each islocated to the left or rightof the complete camring package for optionalassembly of thecorresponding proximityswitch– Proximity switch or slotsensor is attached onthe side opposite the drive(after the last normalswitch position).9i

Page 12:Series BSW 819-492,BSW 819-493, BSW 819-494Features– Adjusting mechanismfor stepless setting of theswitching pulses– No loosening or tighteningof the cam rings– Precision snap switchesdepending on the BSWseries:Model BSE 44.0 perDIN EN 50047 orModel BSE 67– Drive can be located oneither end of the shaft;guard cover and scalering can be attached onboth sides (shaft ends)– Suitable for clockwise orcounterclockwise rotation;the scale ring can bescaled in both directions– Available with short(20 mm) or long(40 mm) shaft end with∅ 20 mmDimensions (in mm)Number of switch positions 3 6 9 12 20Dimension A 125 185 245 305 503B 105 165 225 285 483C, Version L 199 259 319 379 577C, Version K 159 219 279 339 537Number of cable fittings 3 4 5 5 7Mixed assemblyAn extended mixedassembly with safety switchelements type BSE 61 ispossible. For ordering codesee page 18.Ordering examples:BSW 819-492-06L3BSW 819-493-12K2BSW 819-494-09L2BSW 819-_ _ _-_ _ _ _10MechanicalRotary Cam SwitchesNo. of switchpositionsL Exposed length40 mmK Exposed length20 mmShaft ends∅ 20 mm03 3x06 6x09 9x12 12x20 20xRotary cam switch2 Drive left side,rotation directionleft and right3 Drive right side,rotation directionleft and rightDrive type492 Snap switch BSE 44.0to DIN 43695,Pulse location alsoadjustable individually by±20° for each switchposition while running493 Snap switch BSE 44.0to DIN EN 50047,not adjustable whilerunning494 Snap switch BSE 67,pulse location notadjustable during running

Page 13:5AccessoriesReplacementPartsBSE 67Silver with parallel grooves in thesnap springsSnap switchSingle-pole changeoversee page 21Duroplast> 30 mil. switching operations (VDE 0660)BSE 44.0 (to DIN EN 50047)Silver, gold platedSnap switchDual changeover, one NO andone NC, galvanically and thermallyisolatedsee page 21Duroplast, cover Thermoplast> 30 mil. switching operations (VDE 0660)With switch elementWiring diagram, styleSwitch elementContact materialSwitching principleContact systemElectrical dataHousing materialMechanical life expectancyTypeDescriptionHousing materialCable fitting in housingShaftCam ringsPlunger materialLubricationEnclosure ratingSpeedSmallest opening anglePermissible ambient temperatureService lifeRotary cam switchBSW 819-492, BSW 819-493, BSW 819-494Cast aluminum, corrosion-resistant, anodized finishThread M25×1.5Steel, in maintenance-free roller bearingsSteel, run surfaces hardened and polishedSteel (rustproof); with built-in ball bearing as rollerNone, maintenance-free, plunger in DU sleeveIP 65 per DIN 40050max. 200/min10° (BSW 819-494), 15° (BSW 819-492, BSW 819-493)–5... 80 °C> 30 mil. revolutions1Series BSW 819-492,BSW 819-493, BSW 819-494ReferenceedgeHingeKey A6×6×25or A6×6×16M10; 9 mm deepM10; 9 mm deepScale ringCover(transparent)11www.balluff.comMechanicalRotary Cam SwitchesRotary camswitchesBSW819-492819-493819-494

Page 14:Series BSW 813-493-X64,BSW 813-494-X64,BSW 813-495-X64Features– Rotary cam switch withsafety switch positionsper DIN EN 60204-1/VDE 0113– Adjusting mechanismfor stepless setting of theswitching pulses– No loosening or tighteningof the cam rings– Switch elements BSE 61or BSE 85 with safetyswitch positionsper DIN EN 60204-1/VDE 0113– Guard for protectingswitch elements fromunauthorized access– Drive can be located oneither end of the shaft;guard cover and scalering can be attached onboth sides (shaft ends)– Suitable for clockwise orcounterclockwise rotation;the scale ring can bescaled in both directions– Long exposed shaft end(40 mm) with ∅ 20 mmMixed assemblyAn extended mixedassembly with safety switchelements type BSE 44.0,BSE 61, BSE 67 or BSE 85is possible. For orderingcode see page 18.MechanicalRotary Cam SwitchesDIN EN 60204-1/VDE 0113VDE 0113DIN EN 60204-1Safety rotary cam switchBSW 813-493 X64...Ordering examples:BSW 813-493-X64-12L2BSW 813-494-X64-03K3BSW 813-495-X64-09L3BSW 813-_ _ _-X64-_ _ _ _Dimensions (in mm)Number of switch positions 3 6 9 12 20Dimension A 125 185 245 305 503B 105 165 225 285 483C, Version L 199 259 319 379 577C, Version K 159 219 279 339 537Number of cable fittings 3 4 5 5 7Securable cam ringsto protect againstunintended adjustmentThese rotary camswitches are alsoequipped with a securingfixture, i.e. each individualcam ring is equipped withan adjusting ring andsecurity plate. Simplybending the securitypanel into the slots of theadjusting ring secureseach individual cam ring.For mechanical presseswith manual insertion,note 5.4 of EN 692:1996.12No. of switchpositions03 3x06 6x09 9x12 12x20 20xRotary cam switch493 Creep switch elementBSE 61 perDIN EN 60204-1/VDE0113494 Creep switch elementBSE 61 perDIN EN 60204-1/VDE0113495 Creep switch elementBSE 85 perDIN EN 60204-1/VDE0113As per trade associationrules only sizes with 6to 20 switch positions arepermitted.L Exposed shaftlength 40 mmK Exposed shaftlength 20 mmShaft ends∅ 20 mm2 Drive left side,rotation directionleft and right3 Drive right side,rotation directionleft and rightDrive type

Page 15:5AccessoriesReplacementPartsTypeDescriptionHousing materialCable fitting in housingShaftCam ringsPlunger materialLubricationEnclosure ratingSpeedSmallest opening anglePermissible ambient temperatureService lifeRotary cam switchBSW 813-493-X64, BSW 813-494-X64, BSW 813-495-X64with forced opening contactsCast aluminum, corrosion-resistant, anodized finishThread M25×1.5Steel, in maintenance-free roller bearingsSteel, run surfaces hardened and polishedSteel (rustproof); with built-in ball bearing as rollerNone, maintenance-free, plunger in DU sleeveIP 65 per DIN 40050max. 200/min15°–5... 80 °C> 30 mil. revolutions2MechanicalRotary Cam SwitchesDIN EN 60204-1/VDE 0113BSE 85SilverSnap switch circuit, forced openingDual changeover, normally-openwith snap function, normally-closedforced opening, double interruption,galvanically isolatedsee page 21Thermoplast> 1 mil. switching operations (VDE 0660)BSE 61SilverCreep switch circuit, forced openingNormally-closed, double interruptionsee page 21Duroplast, cover Thermoplast> 30 mil. switching operations (VDE 0660)With switch element to DIN EN 60204-1/VDE 0113Wiring diagram, styleSwitch elementContact materialSwitching principleContact systemElectrical dataHousing materialMechanical life expectancySeries BSW 813-493-X64,BSW 813-494-X64,BSW 813-495-X6413www.balluff.comReferenceedgeHingeKey A6×6×25or A6×6×16M10; 9 mm deepM10; 9 mm deepScale ringCover(transparent)Rotary camswitchesBSW813-493-X64813-494-X64813-495-X64

Page 16:Features– With inductive switchelements for 10...60 V(PNP/NPN) or 35...250 VAC– Switch elements suitablefor direct logic control– Speeds up to 700/min– Long life expectancywith wear-free switchingoperationsInductiveRotary Cam Switches– Smooth running thanksto low centrifugal mass– Unaffectedby acceleration– Enclosure rating IP 65– Drive can be locatedon either end of the shaft;guard cover and scalering can be attached onboth sides (shaft ends)Dimensions (in mm)Number of switch positions 3 6 9 12 20Dimension A 125 185 245 305 503B 105 165 225 285 483C, Version L 199 259 319 379 577No. of cable fittings 3 4 5 5 7Ordering examples:BSW 816-203-03L3-PABSW 816-204-12L2-NABSW 816-_ _ _-_ _ L _-_ _Mixed assemblyAn extended mixedassembly with standard andsafety switch elements ispossible. For ordering codesee page 18.– Suitable for clockwise orcounterclockwise rotation;the scale ring can bescaled in both directions– Long exposed shaft end(40 mm) with ∅ 20 mmSeries BSW 816-203,BSW 816-204Inductive switch elements14Rotary cam switch203 Pulse position alsoadjustable on the flyby ±20° for eachswitch position204 Pulse position notadjustable on the flyExposed shaft length40 mm M10 centerthread on both shaftends, 9 mm deepShaft ends∅ 20 mmNo. of switchpositions03 3x06 6x09 9x12 12x20 20x2 Drive left side,rotation directionleft and right3 Drive right side,rotation directionleft and rightDrive type(see table at right)Code forswitch element

Page 17:5AccessoriesReplacementPartsRotary cam switchBSW 816-203 with inductive switch elementsBSW 816-204(switchpoint adjustable on the fly by ±20°)Cast aluminum, corrosion-resistant, anodized finishThread M25×1.5Steel, in maintenance-free roller bearingsNon-rusting steelPlastic guardIP 65 per DIN 40050max. 700/minmin. 10° at max. 100 rpmmin. 15° at max. 200 rpmmin. 45° at max. 300 rpmmin. 75° at max. 700 rpm–5... 80 °C> 50 mil. revolutionsTypeDescriptionHousing materialCable fitting in housingShaftCam ringsSafety for AC switch elementsEnclosure ratingSpeedSmallest opening angle when usingDC switch elementsAC switch elementsPermissible ambient temperatureService lifeRated switching Assured switchingElectrical type distance sn distance saPNP, complementary, 10...60 V DC, short circuit protected 2 mm 0...1.6 mmNPN, complementary, 10...60 V DC, short circuit protected 2 mm 0...1.6 mmNO, 35...250 V AC, 10 Hz 2 mm 0...1.6 mmNC, 35...250 V AC, 10 Hz 2 mm 0...1.6 mmNC, 2-wire, NAMUR, 7.7... 9 V DC 2 mm 0...1.6 mmInductiveRotary Cam Switches3Inductive switch elements with ∅ 10 mm headFor additional electrical data see page 23CodePANAWSWONGSeries BSW 816-203,BSW 816-20415www.balluff.comReferenceedgeHingeKey A6×6×25or A6×6×16M10; 9 mm deepM10; 9 mm deepScale ringCover(transparent)Rotary camswitches BSW816-203816-204816-207

Page 18:Series BSW 816-207InductiveRotary Cam SwitchesFeatures– With inductive switchelements for 10...60 V(PNP/NPN) or 40...250 VAC– Switch elements suitablefor direct logic control– Speeds up to 700/min– Long life expectancywith wear-free switchingoperations– Smooth running thanksto low centrifugal mass– Unaffectedby acceleration– Enclosure rating IP 65– Drive can be locatedon either end of the shaft;guard cover and scalering can be attached onboth sides (shaft ends)– Suitable for clockwise orcounterclockwise rotation;the scale ring can bescaled in both directionsDimensions (in mm)Number of switch positions 3 6 9 12 20Dimension A 125 185 245 305 503B 105 165 225 285 483C, Version L 199 259 319 379 577No. of cable fittings 3 4 5 5 7Ordering example:BSW 816-207-12L3-PABSW 816-207-_ _ L _-_ _– Long exposed shaft end(40 mm) with ∅ 20 mmDepending on theapplication each switchposition can also be fittedwith several equally orvariously long aluminum foils(corresponding to pulses)(order separately).Damping theswitch positionsTwo types of damping foilare offered:– For short pulse lengths upto max. 180°Order code 706687– For longer pulse lengths180° to max. 360°Order code 70668816Aluminum damping foilfor rotary cam switch BSW 816-207Replacement needs– For short pulse lengths up to max. 180°Order code 706687– For longer pulse lengths 180° to max. 360°Order code 706688The damping foils can be trimmed exactly to any desiredlength. Depending on the application each switch positioncan also be fitted with several equally or variously longaluminum foils (corresponding to pulses).Damping foilThe damping foils can betrimmed exactly to anydesired length.Run checking,speed monitoringFor retrofitting a switchposition for run checking orspeed monitoring, anetched, epoxy resin coatedcopper foil with 30 pulses/revolution is available (ordercode 705413, orderseparately).Mixed assemblyAn extended mixedassembly with standard andsafety switch elements ispossible. For ordering codesee page 18.with foil carrierdisc and dampingsection made ofaluminum foilRotarycam switch2 Drive left side,right rotation3 Drive right side,left rotationDrive typeExposed shaft length40 mmShaft ends∅ 20 mmNo. of switchpositions03 3x06 6x09 9x12 12x20 20x(see table at right)Code forswitch element

Page 19:5AccessoriesReplacementPartsTypeDescriptionHousing materialCable fitting in housingShaftFoil carrier discDamping the switch elementsSafety for AC switch elementsEnclosure ratingSpeedSmallest opening angle when usingDC switch elementsAC switch elementsPermissible ambient temperatureService lifeRotary cam switchBSW 816-207 with inductive switch elementsCast aluminum, corrosion-resistant, anodized finishThread M25×1.5Steel, in maintenance-free roller bearingsPlasticAluminum foil with coating 180° or 360°Plastic guardIP 65 per DIN 40050max. 700/minmin. 10° at max. 100 rpmmin. 15° at max. 200 rpmmin. 45° at max. 300 rpmmin. 75° at max. 700 rpm–5... 80 °C> 50 mil. revolutionsCodePANAWSWONGSeries BSW 816-207InductiveRotary Cam Switches3Rated switching Assured switchingElectrical type distance sn distance saPNP, complementary, 10...60 V DC, short circuit protected 2 mm 0...1.6 mmNPN, complementary, 10...60 V DC, short circuit protected 2 mm 0...1.6 mmNO, 35...250 V AC, 10 Hz 2 mm 0...1.6 mmNC, 35...250 V AC, 10 Hz 2 mm 0...1.6 mmNC, 2-wire, NAMUR, 7.7... 9 V DC 2 mm 0...1.6 mmInductive switch elements with ∅ 10 mm headFor additional electrical data see page 2317www.balluff.comReferenceedgeHingeKey A6×6×25or A6×6×16M10; 9 mm deepM10; 9 mm deepScale ringCover(transparent)Rotary camswitches BSW816-203816-204816-207

Page 20:Mixed AssembliesMechanical and InductiveRotary Cam SwitchesMechanical switchelements(see Section 5 for technicaldata)BSE 44.0, DIN EN 50047BSE 67BSE 61 toDIN EN 60204-1/VDE 0113,BSE 85 toDIN EN 60204-1/VDE 0113Mixing optionsThe individual switchpositions can be customfitted.The following possibilities areavailable:– Mechanical switchelements– Safety switch elements– Inductive switch elementsWhen using safety switchpositions to DIN EN 60204-1/VDE 0113 the instructions inSection 2 must be followed!OrderingWhen ordering, specify theindividual switch positionsin plain English. Always startfrom the exposed (driven)shaft end.Mixed assembly switchesare given a specialorder code (see orderingexamples)When reordering, specify thefull product code includingthe 6-digit code for mixedassembly.Order example for mechanical standard rotary cam switch:BSW 819-493-12L3-55-xxxxRotarycam switchMixedassemblyInternal codeMechanical switch elementsOrder example for inductive standard rotary cam switch:BSW 816-207-06L3-55-xxxxRotarycam switchMixedassemblyInternal codeMechanical and inductive switch positions in one rotary cam switchInductive switch elements(see Section 5 for technicaldata)BES 517-108 (NA)BES 517-110 (PA)BES 517-410 (WS)BES 517-421 (WO)BES 516-314-N (NG)Inductive switch element18