Burkert 3281 User manual

Quickstart
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Type 3281
Motor valve
Motorventil
Vanne motorisée

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modifications techniques.
© Bürkert Werke GmbH & Co. KG, 2022
Operating Instructions 2207/00_EU-ML_00815151 / Original DE

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1 DER QUICKSTART................................................................ 4
1.1 Denitionofterms ....................................................... 4
1.2 Symbols....................................................................... 4
2 INTENDED USE .................................................................... 5
3 BASIC SAFETY INSTRUCTIONS.......................................... 5
4 GENERAL NOTES................................................................. 6
4.1 Contact addresses ...................................................... 6
4.2 Warranty ...................................................................... 6
4.3 InformationontheInternet.......................................... 6
5 PRODUCT DESCRIPTION .................................................... 7
5.1 Intendedareaofapplication........................................ 7
5.2 Variants........................................................................ 7
5.3 Structureandfunction................................................. 7
6 TECHNICAL DATA................................................................. 8
6.1 Conformity................................................................... 8
6.2 Standards .................................................................... 8
6.3 Operatingconditions ................................................... 8
6.4 Typelabel .................................................................... 8
6.5 Electrical data.............................................................. 9
6.6 Mechanicaldata ........................................................ 10
6.7 Fluidic data................................................................ 10
7 INSTALLATION .................................................................... 11
7.1 Installingthedeviceuidically................................... 11
7.2 Mountingthevalveseat ............................................ 11
7.3 Installingvalvebody.................................................. 12
7.4 Installingdeviceswithweldedconnection................ 12
7.5 Turningactuator ........................................................ 13
7.6 Installingthedeviceelectrically................................. 14
7.7 LEDdisplay ............................................................... 17
8 START-UP............................................................................ 18
9 MAINTENANCE................................................................... 18
9.1 Maintenancework ..................................................... 18
9.2 Cleaning .................................................................... 18
9.3 Troubleshooting......................................................... 18
10 TRANSPORT, STORAGE, DISPOSAL................................. 20
Table of contents
Type 3281
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Der Quickstart
Type 3281
1 DER QUICKSTART
TheQuickstartcontainsthemostimportantinformationaboutthe
device.Keeptheseinstructionsreadytohandattheoperatingsite.
Important safety information.
▶Readtheseinstructionscarefully.
▶Aboveall,observethesafetyinstructions,intendeduseand
operatingconditions.
▶Personswhoworkonthedevicemustreadandunderstand
theseinstructions.
TheoperatinginstructionscanbefoundontheInternetat:
www.burkert.com
1.1 Denition of terms
Term in these instructions, refers to
Device MotorvalveType3281
CANopen AeldbusbasedonCAN(ControllerAreaNetwork)
whichisusedinautomationtechnologytonetwork
devices
büS ACANopen-basedeldbuswithadditional
functionalities
1.2 Symbols
DANGER
Warns of an immediate danger.
▶Failuretoobservetheseinstructionswillresultinserious
injuriesordeath.
WARNING
Warns of a potentially dangerous situation.
▶Failuretoobservetheseinstructionsmayresultinserious
injuriesordeath.
CAUTION
Warns of a potential hazard.
▶Failuretoobservetheseinstructionsmayresultinmoderate
or minor injuries.
NOTE
Warns of damage to property.
Indicatesimportantadditionalinformation,tipsand
recommendations.
Referstoinformationintheseoperatinginstructionsorin
otherdocumentation.
▶designatesinstructionsforriskprevention.
→designatesaprocedurewhichyoumustcarryout.
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Intended use
Type 3281
2 INTENDED USE
The 2-way motor valve Type 3281 is designed to control the
ow of liquid and gaseous media.
▶Use the device only as intended. Non-intended use of the
devicemaybedangeroustopeople,nearbyequipmentand
theenvironment.
▶Donotusethedeviceoutdoors.
▶Donotexposethevalvetodirectsunlight.
▶To use the device, observe the permissible data, operating
conditionsandconditionsofuse.Thesespecicationscanbe
foundin thecontractdocuments, theoperatinginstructions
andontheTypelabel.
▶Usethedeviceonlyinconjunctionwiththird-partydevicesand
componentsrecommendedorapprovedbyBürkert.
▶Thedevicemustonlybeusedinperfectworkingorder;
alwaysensureproperstorage,transportation,installation
andoperation.
3 BASIC SAFETY INSTRUCTIONS
Thesesafetyinstructionsdonottakeintoaccountany
unforeseencircumstancesandeventswhichoccurduringinstal-
lation,operationandmaintenance.Theoperatorisresponsible
forobservingthelocation-specicsafetyregulations,alsowith
referencetopersonnel.
Risk of injury due to high pressure and escaping medium.
▶Switchothepressurebeforeworkingonthesystemor
device.Ventoremptythelines.
Risk of injury from electric shock.
▶Beforeworkingonthesystemordevice,switchothepower
supplyandsecuretopreventreactivation.
▶Observeanyapplicableaccidentpreventionregulationsand
safetyregulationsforelectricaldevices.
Risk of burns or re from hot device surfaces due to prolonged
operation.
▶Keepthedeviceawayfromhighlyammablesubstancesand
media.
▶Onlytouchthedevicewhenwearingprotectivegloves.
General hazardous situations.
Topreventinjuries,observethefollowing:
▶Thedeviceonlywhenitisinperfectconditionandinaccor-
dancewiththeoperatinginstructions.
▶Heavyequipmentmustonlybetransported,assembledand
disassembledwiththehelpofasecondpersonasappropri-
ateandusingsuitableapparatus.
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General notes
Type 3281
▶Donotusethedeviceinareaswhereexplosionsarepossible.
▶Donotmakeanyinternalorexternalchangestothedevice.
Donotpainthousingpartsorscrews.
▶Securethedeviceorsystemtopreventunintentionalactivation.
▶Onlytrainedtechniciansmayperforminstallationandmainte-
nancework.
▶Installthedeviceaccordingtotheregulationsapplicablein
therespectivecountry.
▶Afteraninterruptioninthepowersupply,ensurethatthe
processisrestartedinacontrolledmanner.
▶Observethegeneralrulesoftechnology.
NOTE
Electrostatically sensitive components and assemblies.
Thedevicecontainselectroniccomponentsthataresusceptible
to the eects of electrostatic discharging (ESD). Components
that come into contact with electrostatically charged persons
or objects are at risk. In the worst-case scenario they will be
destroyedimmediatelyorwillfailafterstart-up.
▶ObservetherequirementsofEN61340-5-1forminimizingor
avoidingthepossibilityofdamagecausedbysuddenelectro-
staticdischarge.
▶Donottouchelectroniccomponentswhenthesupplyvoltage
is connected.
4 GENERAL NOTES
4.1 Contact addresses
Germany
BürkertFluidControlSystems
Sales Center
Christian-Bürkert-Str.13-17
D-74653Ingelngen
Tel.+49(0)7940-10-91111
Fax+49(0)7940-10-91448
E-mail:[email protected]
International
Thecontactaddressescanbefoundonthebackpagesofthe
printedoperatinginstructions.
AlsoontheInternetat:
www.burkert.com
4.2 Warranty
Apreconditionforthewarrantyisthatthedeviceisusedasintended
inconsiderationofthespeciedoperatingconditions.
4.3 Information on the Internet
OperatinginstructionsanddatasheetsforType3281canbefound
ontheInternetat:www.burkert.com
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Product description
Type 3281
5 PRODUCT DESCRIPTION
5.1 Intended area of application
ThemotorvalveType3281isdesignedtocontroltheowofliquid
andgaseousmedia.Onlyclean,liquidorgaseousmediathatdo
notattackthevalvebodyandsealmaterialsmaybecontrolled.
NOTE
Damage to the valve body and seals due to unsuitable media.
▶Use only suitable media.
▶Checkresistanceineachindividualcase.
5.2 Variants
Type Seat diameter Variants Options
3281 4, 6, 8, 10 withintegrated
positioner
analogue1)
digital2)
withintegrated
processcontroller
analogue1)
digital2)
Thevariantscanberecognizedbytheplugcongurationor
ontheTypelabel:CstandsforpositionerandDforprocess
controller.
1) analogue - Set-point values are transmitted analogue via the standard
signals
2) digital - Set-point values are transmitted digitally via CANopen/büS
Both variants have special functions that can be set using the
BürkertCommunicator.
5.3 Structure and function
Circularplug-in
connector
Valve body
Actuator cover
Control cone
Valvespindle
Steppermotor
Wrenchat
ofthebody
connection
Fig. 1: Structure of the valve
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Technical data
Type 3281
6 TECHNICAL DATA
6.1 Conformity
TheType3281conformstotheEUdirectivesaccordingtotheEU
declarationofconformity(ifapplicable).
6.2 Standards
ThestandardsappliedtodemonstrateconformitywiththeDirectives
canbefoundintheEUtypeexaminationcerticateand/ortheEU
declarationofconformity(ifapplicable).
6.3 Operating conditions
WARNING
Risk of injury due to malfunction if used outdoors.
▶Donotusethedeviceoutdoorsandkeepitawayfromheat
sourcesthatcouldcausethepermissibletemperaturerange
to be exceeded.
▶Protectthedevicefromdirectsunlightandhumidity.
Ambienttemperature  -10...+60°C(notederatingcurve,
seechapter“6.5.1”)
Mediumtemperature  0...+130°C
Airhumidity     <95%,non-condensing
Media       non-aggressive,pureandnon-cor-
rosiveliquidandgaseousmediathat
donotattackvalvebodiesandseal
materials.Checkresistanceineach
individual case.
Circuit function
2 (A)
1 (P)
Direct-acting2-wayvalve,motor-
driven,currentlessinposition
6.4 Type label
Type
Electronic variant
Seat diameter
Seal material
Bodymaterial
Order number, serial number
Ambienttemperature
Voltage,powerconsumption
Portconnection,pressurerange
3281 X DN10 PTFE VA
D-74653 Ingelfingen
268611 SN000000
W3ZLT
24 V DC 20 W
G 3/8 PN 6 bar
Tamb see manual
Fig. 2: Location and description of the type label (example)
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Technical data
Type 3281
6.5 Electrical data
Electrical data Positioner analog Positioner digital Process controller analog Process controller digital
Connections Circularplug-inconnector
M12x1,8-pin
Circularplug-inconnector
M12x1,5-pin
Circularplug-inconnector
M12x1,8-pinand5-pin
Circularplug-inconnector
M12x1,5-pinand8-pin
Operatingvoltage 24VDC±10%,residualripple<10% 24VDC±10%,residualripple<10%
Powerconsumption max.12W max.12W
Standbypower
consumption
ca.2W ca.2W
Actuatingtime(0-100%) ca.2.5s ca.2.5s
Analogueinput(set-point
valueinput)
0...20mA,4...20mA,0...5V
or0...10V
0...20mA,4...20mA,0...5V
or0...10V
Analogueinput(actualvalue
input)
0...20mA,4...20mA,0...5V
or0...10V
0...20mA,4...20mA,0...5V,
0...10Vorfrequency:
Measuringrange5...2000Hz
Inputresistance>22kΩ
Inputsignal>10Vss
signalformsquarewave
Inputimpedanceforana-
logueinput
60 Ω at 0...20 mA and
4...20mA/Resolution 40 μA
22kΩat0...5Vand0...10V/
Resolution20mV
60 Ω at 0...20 mA and
4...20mA /Resolution 40 μA
22kΩat0...5Vand0...10V/
Resolution20mV
Analogueoutput(actual
valueoutput)
0...20mA,4...20mA,
0...5V,0...10V
0...20mA,4...20mA,0...5V,
0...10V
Analogueoutput max.Currentforvoltage
output10mAmax.Loadfor
currentoutput560Ω
max.Currentforvoltage
output10mAmax.Loadfor
currentoutput560Ω
Position sensor Contactless,high-resolutionandthuswear-freeposition
sensor
Contactless,high-resolutionandthuswear-freeposition
sensor
Parameterizationinterface büSorCANopen büSorCANopen
Communication CANopen/büS CANopen/büS
Duty cycle accordingtoEN60034-1:S350%,dependingonthe
operatingconditions.Observethederatingcurve
accordingtoEN60034-1:S350%,dependingontheoper-
atingconditions.Observethederatingcurve
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Technical data
Type 3281
6.5.1 Derating
Themaximumdutycycleofthevalvedependsonthemaximum
ambienttemperatures,themediatemperatureandthecoilcurrent
ofthesteppermotor.
Thedutycycledoesnotmeanthedutycycleofthedevice
butthedutycycleofthesteppermotor.
Fromthederatingcurveitcanbereadwhichmaximumdutycycle
ispermissibleatwhichmaximumambienttemperature.
10 %
20 %
30 %
40 %
50 %
60 %
70 %
80 %
90 %
100 %
0510 15 20 25 30 35 40 45 50 55 60
Ambienttemperature[°C]
Dutycycle[%]
Fig. 3: Derating curve at max. media temperature for positioner and
process controllers
6.6 Mechanical data
Materials
Actuatorcover   Plasticpartsblack:PPSGF40,
Plasticpartsanthracite:PCGF10
Valve body Stainless steel VA
Seal material PTFE
Othermaterialsin
theuidsector   StainlesssteelVA
Connections    G1/2,RC1/2,NPT1/2
Weight     seedatasheet
Dimensions    seedatasheet
6.7 Fluidic data
Seat
diameter
KVs-value [m³/h] 3) Max. pressure [bar]
4 0.57
Seeindicationonthetype
label
6 1.25
8 1.8
10 2.25
3) The KVs value is a ow value for water, measurement at +20°C and
1bar pressure dierence above the fully open valve.
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