2. Burkert
  3. 8746
8746

Burkert 8746 Operating instructions

  • Hello! I am an AI chatbot trained to assist you with the Burkert 8746 Operating instructions. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Operating Instructions
Bedienungsanleitung
Manuel d‘utilisation
Type 8746
Profibus
Analogue
Mass Flow Meter (MFM) / Mass Flow Controller (MFC)
Massendurchflussmesser (MFM) / Massendurchflussregler (MFC)
Débitmètre massique (MFM) / Régulateur de débit massique (MFC)
We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modifications techniques.
© Bürkert SAS, 2020 - 2021
Operating Instructions 2103/01_EU-ML_00573732 / Original EN
3
Table of contents
Type 8746 Profibus, 8746 Analogue
1 THE OPERATING INSTRUCTIONS ............................................. 6
1.1 Denitionofthetermproduct ........................................ 6
1.2 AboutNAMURandtheNAMURRecommen-
dationNE107 ................................................................ 6
1.3 Symbolsused ................................................................ 6
2 INTENDED USE .................................................................... 7
2.1 ProductvariantwithATEXcertication ......................... 8
3 BASIC SAFETY INFORMATION ............................................ 8
4 GENERAL INFORMATION .................................................. 10
4.1 Contact ........................................................................ 10
4.2 Warranty ...................................................................... 10
4.3 InformationontheInternet .......................................... 10
5 DESCRIPTION ..................................................................... 11
5.1 Productvariants ........................................................... 11
5.1.1 MassFlowMeter(MFM) ................................ 11
5.1.2 MassFlowController(MFC)with
proportionalvalve .......................................... 12
5.1.3 MassFlowController(MFC)withmotorvalve 13
5.2 Productstatusindicator .............................................. 13
5.3 MotorvalvestatusLED ............................................... 15
5.4 StatusLEDfortheeldbuscommunication ..................... 15
5.5 Memorycard ............................................................... 16
5.6 büS-interface ............................................................... 16
5.7 ControlvalveofanMFC .............................................. 16
6 TECHNICAL DATA ............................................................... 17
6.1 Conformity ................................................................... 17
6.2 Standards .................................................................... 17
6.3 Operatingconditions ................................................... 17
6.3.1 MassFlowMeter ............................................ 17
6.3.2 MassFlowControllerwithproportionalvalve 18
6.3.3 MassFlowControllerwithType3280
motorvalve .................................................... 18
6.3.4 MassFlowControllerwithType3285
motorvalve .................................................... 19
6.4 Markings ...................................................................... 19
6.4.1 Calibrationplate ............................................. 19
6.4.2 Typelabel ....................................................... 20
6.4.3 Conformitymarking,certicationmarking ..... 20
6.5 Productmaterials ......................................................... 21
6.6 Dimensions,weight ..................................................... 21
6.7 Fluiddata ..................................................................... 21
6.7.1 MassFlowMeter ............................................ 21
6.7.2 MassFlowControllerwithproportionalvalve 22
6.7.3 MassFlowControllerwithmotorvalve .......... 22
6.7.4 Qualityoftheoperatinguid .......................... 23
6.7.5 Pressureloss(MFM) ....................................... 23
6.7.6 Operatinggasisair ........................................ 23
6.7.7 Operatinggasisnotair .................................. 25
6.8 Electricaldata ...................................................................... 26
6.8.1 ProductvariantAnalogue ............................... 26
6.8.2 ProductvariantProbus ..................................... 27
6.9 Communicationinterface(productvariantProbus) ... 27
English
4
Type 8746 Profibus, 8746 Analogue
7 FLUID INSTALLATION ......................................................... 27
7.1 Safetyinstructions ....................................................... 27
7.2 Installationsteps .......................................................... 28
7.3 ProductvariantwithG-internal-threadeduid
connections ................................................................. 28
7.4 ProductvariantwithNPT-internal-threadedcon-
nections ....................................................................... 31
7.5 Productvariantwithangeconnections ..................... 32
8 ELECTRICAL INSTALLATION ............................................. 32
8.1 Safetyinstructions ....................................................... 32
8.2 Additionaldocumentation ........................................... 33
8.2.1 ProductvariantAnalogue ............................... 33
8.2.2 ProductvariantProbus................................ 33
8.3 WiringtheproductvariantAnalogue ........................... 33
8.3.1 Digitalinput .................................................... 35
8.3.2 Relayoutput ................................................... 36
8.4 WiringtheproductvariantProbus ............................ 37
8.5 Connectingthefunctionalearth .................................. 38
9 COMMISSIONING ............................................................... 39
9.1 Safetyinstructions ....................................................... 39
9.2 Commissioningsteps .................................................. 39
10 SETTING AND OPERATION ............................................... 40
10.1Safetyinstructions ....................................................... 40
10.2Functions ..................................................................... 40
10.2.1 Zero-pointshut-o(MFC) .............................. 40
10.2.2 Flushmode(MFCProbus) ........................... 41
10.3Toolsfordoingsettings ............................................... 41
10.4ConnecttheproducttotheBürkertCommuni-
catorsoftware .............................................................. 41
10.5User-denedadjustment ............................................. 42
10.6OperatingmodesofanMFC ....................................... 42
10.7Normaloperatingmode(MFC) .................................... 43
10.7.1 ProductvariantProbus................................ 43
10.7.2 ProductvariantAnalogue ............................... 43
10.8Optimisetheclosed-loopcontrolparameters(MFC) ........ 44
10.9Choosethesourcegivingtheset-pointvalue(MFC) .. 45
10.10Set-pointvalueswithoutcommunication(MFC
Probus) ...................................................................... 45
11 MAINTENANCE ................................................................... 46
11.1Maintenanceforoperationwithheavilycontami-
nateduids .................................................................. 46
11.1.1 Inspectandcleanthestainlesssteel
mesh-lter ...................................................... 47
11.2Cleaningandrecalibrationatthefactory ..................... 48
11.3Replacethememorycard ........................................... 48
12 TROUBLESHOOTING ......................................................... 49
12.1Problemsshownbytheproductstatusindicator ........ 49
12.1.1 Productstatusindicatorisred(MFM
Analogue) ....................................................... 49
12.1.2 Productstatusindicatorisred(MFM
Probus) ......................................................... 50
12.1.3 Productstatusindicatorisred(MFC
Analogue) ....................................................... 50
English
5
Type 8746 Profibus, 8746 Analogue
12.1.4 Productstatusindicatorisred(MFC
Probus) ......................................................... 50
12.1.5 Productstatusindicatorisorange(MFM) ...... 50
12.1.6 Productstatusindicatorisorange(MFC) ...... 51
12.1.7 Productstatusindicatorisyellow(MFM) ....... 51
12.1.8 Productstatusindicatorisyellow(MFC) ....... 51
12.1.9 Productstatusindicatorisblue ..................... 51
12.2ProblemsshownbythestatusLEDofthemotor
valve ............................................................................. 52
12.2.1 LEDisredandashes,LEDisredandON ... 52
12.2.2 LEDisyellowandashes .............................. 52
12.3Miscellaneousproblems .............................................. 52
12.3.1 Productstatusindicatoriso ....................... 52
12.3.2 Productstatusindicatorashes .................... 52
12.3.3 Productstatusindicatorgoesout
periodically ..................................................... 52
12.3.4 Replacementproductadoptsnone
ofthevaluesfromthedefectiveproduct ....... 53
12.3.5 Replacementproductdoesnot
adoptallofthevaluesfromthe
defectiveproduct ........................................... 53
12.3.6 Nomassowrate(MFM) ............................... 53
12.3.7 Nomassowrate(MFC) ................................ 53
12.3.8 Unstablemeasuredvalue(MFM) ................... 53
12.3.9 Unstablemeasuredvalue(MFC) .................... 54
12.3.10 Set-pointvalueat0%,butoperating
uidstillows(MFC) ...................................... 54
12.3.11 Set-pointvalueat0%,control
valveisclosed,nomassow,buta
non-zeromassowrateismeasured(MFC) . 54
12.3.12 Set-pointvalueisnotreached(MFC) ............ 54
13 ACCESSORIES, SPARE PARTS ......................................... 55
13.1Electricalaccessories .................................................. 55
13.2Compressionttingsforaproductvariantwith
internal-threadeduidconnections ............................. 55
13.3Meshlters .................................................................. 56
13.4Additionalsoftware ...................................................... 56
14 DECOMMISSIONING .......................................................... 56
14.1Safetyinstructions ....................................................... 56
14.2Dismantlingtheproduct .............................................. 57
15 TRANSPORT ....................................................................... 57
16 STORAGE, DISPOSAL ........................................................ 58
17 RETURNING THE PRODUCT ............................................. 58
English
6
The Operating instructions
Type 8746 Profibus, 8746 Analogue
1 THE OPERATING INSTRUCTIONS
The Operating Instructions describe the entire life cycle of the
product.PleasekeeptheOperatingInstructionsinasafeplace,
accessibletoallusersandanynewowners.
Important safety information.
▶ReadtheOperatingInstructions.Ifyoudonotunderstandthe
contentoftheOperatingInstructions,thencontactBürkert.
▶Payparticularattentiontothechpt.Basicsafetyinformation
andtothechpt.Intendeduse.
1.1 
Theterm"product"asusedintheOperatingInstructions,refers
tooneorseveralofthefollowingdevices:
•MassFlowMeter(MFM)Type8746Probus
•MassFlowMeter(MFM)Type8746Analogue
•MassFlowController(MFC)Type8746Probus
•MassFlowController(MFC)Type8746Analogue
1.2 

Standardscommitteeformeasurementandcontroltechnology
(NAMUR)isaninternationalassociationofusersofautomation
systemsfortheprocessindustry.
NAMURrecommendation(NE)107:self-monitoringanddiag-
nosisofelddevices.
1.3 
DANGER
Warns of an immediate danger.
▶Failuretoobservethewarningresultsindeathorinserious
injuries.
WARNING
Warnsofapotentiallydangeroussituation.
▶Failuretoobservethewarningcanresultinseriousinjuriesor
indeath.
CAUTION
Warns of a possible danger.
▶Failuretoobservethewarningcanresultinmoderateorminor
injuries.
NOTICE
Warns of damage to property.
▶Failuretoobservethewarningmayresultindamagetothe
productorsystem.
The symbol indicatesimportantadditionalinformation,
tipsandrecommendations.
English
7
Intended use
Type 8746 Profibus, 8746 Analogue
ThesymbolreferstoinformationintheOperating
Instructions,orinotherdocuments.
▶Designatesaninstructionforriskprevention.
→Designatesaworkstepthatyoumustcarryout.
Indicatesaresult.
MenuDesignatesatextofauserinterface.
2 INTENDED USE
Improper use of the product may be a hazard to people, nearby
equipment and the environment.
MFM Type 8746 Probus or MFM Type 8746 Analogue is
used exclusively to measure the mass ow rate of clean and
dry gases.
MFC Type 8746 Probus or MFC Type 8746 Analogue is used
exclusively to regulate the mass ow rate of clean and dry
gases.
▶Observethedatainthecontractdocuments,intheOperating
Instructions,ontheTypelabelandonthecalibrationplate:
-additionaldata
-operatingconditions
-serviceconditions
▶OnlyusetheproductfortheuidsindicatedontheType
labelandinthecalibrationprotocol.
▶Onlyusetheproductindoors.
▶Onlyusetheproductuptoanaltitudeof2000m.
▶Onlyusetheproductwithexternalinstrumentsthattheproduct
manufacturerrecommends.
▶Onlyusetheproductwithcomponentsthattheproductman-
ufacturerrecommends.
▶Operatetheproductcarefullyandensureregularandprofes-
sionalmaintenance.
▶Operatetheproductonlyinperfectworkingorder.Ensure
appropriatestorage,transport,installationanduse.
▶Onlyusetheproductforitsintendedpurpose.
English
8
Basic safety information
Type 8746 Profibus, 8746 Analogue
2.1 

DANGER
Risk of explosion that is due to improper use of the product
in potentially explosive areas.
▶ObservethespecicationsoftheATEX-conformity
certicate.
▶ObservethespecicationsintheATEXsupplementforType
8746.Thesupplementisavailableatcountry.burkert.com.
The ATEX certication is only valid if the product is used as
describedintheATEXsupplement.
Ifunauthorizedchangesaremadetotheproduct,thentheATEX
certicationbecomesinvalid.
3 
Thissafetyinformationdoesnottakeintoaccountanycontin-
genciesoroccurrencesthatmayariseduringinstallation,use
andmaintenanceoftheproduct.
Theoperatingcompanyisresponsiblefortherespectofthelocal
safetyregulationsincludingforthepersonnelsafety.
Risk of injury that is due to pressure in the installation or in
the product.
▶Beforeworkingontheinstallationorproduct,cutthepres-
sure.Ventanddrainthepipes.
Risk of injury from electric shocks.
▶Beforeworkingontheinstallationorproduct,switchothe
powersupply.Makesurethatnobodycanswitchthepower
supplyon.
▶Observeallapplicableaccidentprotectionandallapplicable
safetyregulationsforelectricalequipment.
Burn hazard and re hazard that are due to hot surface of the
product.
▶Donottouchthehotsurfacewithbarehands.
▶Wearsafetyglovestotouchtheproduct.
▶Keeptheproductawayfromanyhighlyammablematerials
oruids.
Risk of injury that is due to escape of the uid.
▶Observeallapplicableaccidentprotectionandallapplicable
safetyregulationsrelatingtotheoperatinguidused.
English
9
Basic safety information
Type 8746 Profibus, 8746 Analogue
Various dangerous situations.
Toavoidpersonalinjury,obeythefollowinginstructions:
▶Donotoperatetheproductwithoutitsmeshlter.
▶Onlyoperatetheproductintheinstallationpositionthatis
givenonthecalibrationplate.
▶MakesurethattheoperatingpressureoftheMFMisnot
higherthanthemaximumcalibrationpressurethatisgiven
onthecalibrationplate.
▶MakesurethattheoperatingpressureoftheMFCisnot
higherthanthetightsealingpressureofthecontrolvalve.
▶Onlyusetheproductfortheuidspeciedastheoperating
uidinthecalibrationprotocol.
▶Onlyuseagentsthatarestablewiththeproductmaterialsfor
cleaninganddecontamination
Findthecompatibilitychartonourhomepage:
country.burkert.com
Intheeventofanyambiguitypleasecontactyourlocalsales
oce.
▶Do not make any modications to the product and do not
subjecttheproducttomechanicalstress.
▶Protecttheinstallationandtheproductfromaccidental
actuation.
▶Onlytrainedpersonnelmayperformtheinstallationworkand
themaintenancework.
▶Afteraninterruptionintheelectricalsupplyorintheuid
supply,ensureacontrolledrestartoftheprocess.
▶Observebestindustrypractice.
NOTICE
Components or assemblies at risk from electrostatic
charges.
Theproductcontainselectroniccomponentswhicharesuscep-
tibletoelectrostaticdischarge(ESD).Contactwithelectrostati-
callychargedpersonsorobjectsendangersthesecomponents.
Intheworstcase,theywillbecomedefectiveimmediatelyorwill
failwhenenergised.
•Tominimiseorevenavoidanydamagecausedbyanelec-
trostaticdischarge,takealltheprecautionsdescribedinthe
EN61340-5-1.
•Donottouchanyoftheliveelectricalcomponents.
English
10
General information
Type 8746 Profibus, 8746 Analogue
4 
4.1 
Thenameofthemanufacturerisdisplayedasinsetwritingonthe
coverandthehousingoftheproduct.
Tocontactthemanufactureroftheproduct,usethefollowing
address:
BürkertSAS
RueduGiessen
F-67220TRIEMBACH-AUVAL
Theaddressesofourinternationalsalesocesareavailableon
theinternetat:country.burkert.com
4.2 
Thewarrantyisconditionaloncompliantuseoftheproductin
observanceoftheoperatingconditionsspeciedintheOper-
atingInstructions.
4.3 
OperatingInstructionsanddatasheetsfortheproductcanbefound
onlineat:country.burkert.com
English
11
Description
Type 8746 Profibus, 8746 Analogue
5 DESCRIPTION
5.1 
5.1.1 
3
12
11
4
2
7
10
9
8
6
13
5
1
15
14
1. Electricalconnection:
-ProductvariantProbus:5-pinM12femaleconnector,B
coding
-ProductvariantAnalogue:5-pinM12femaleconnector,A
coding
2. Electricalconnection:5-pinM12maleconnector,Acoding
3. Possibleuidconnections:
-G-internal-threadedconnectionsaccordingto
DINISO228/1
-NPT-internal-threadedconnectionsaccordingtoASME/
ANSIB1.20.1
-angeconnection
4. M4screwforfunctionalearthconnection
5. Baseblock
6. Flowdirection
7. Productstatusindicator.Theindicatoroperatesaccording
toNAMURNE107.
8. Notused
9. StatusLEDfortheeldbuscommunication
10.Notused
11. Cover
12. M3screw
13. büSinterfacefortheBürkertCommunicatorsoftware
14. Slotforthememorycard
15. Impactprotection-cover.Theimpactprotection-coveris
onlydeliveredwithanATEXproductvariant.
Fig. 1: Product variants of a Mass Flow Meter
English
12
Description
Type 8746 Profibus, 8746 Analogue
5.1.2 

3
13
12
4
2
8
11
10
9
6
14
5
1
16
15
7
1. Electricalconnection:
-ProductvariantProbus:5-pinM12femaleconnector,B
coding
-ProductvariantAnalogue:5-pinM12femaleconnector,A
coding
2. Electricalconnection:5-pinM12maleconnector,Acoding
3. Possibleuidconnections:
-G-internal-threadedconnectionsaccordingto
DINISO228/1
-NPT-internal-threadedconnectionsaccordingtoASME/
ANSIB1.20.1
-angeconnection
4. M4screwforfunctionalearthconnection
5. Baseblock
6. Flowdirection
7. Proportionalvalve.Theproportionalvalvecanbebuilt
insidetheproduct.
8. Productstatusindicator.Theindicatoroperatesaccording
toNAMURNE107.
9. Notused
10.StatusLEDfortheeldbuscommunication
11. Notused
12. Cover
13. M3screw
14. büSinterfacefortheBürkertCommunicatorsoftware
15. Slotforthememorycard
16. Impactprotection-cover.Theimpactprotection-coveris
onlydeliveredwithanATEXproductvariant.
Fig. 2: Product variants of a Mass Flow Controller
English
13
Description
Type 8746 Profibus, 8746 Analogue
5.1.3 

3
14 13
4
2
9
12
11
10
15
1
16
7
5 6
8
1. Electricalconnection:
-ProductvariantProbus:5-pinM12femaleconnector,B
coding
-ProductvariantAnalogue:5-pinM12femaleconnector,A
coding
2. Electricalconnection:5-pinM12maleconnector,Acoding
3. Possibleuidconnections:
-G-internal-threadedconnectionsaccordingto
DINISO228/1
-NPT-internal-threadedconnectionsaccordingtoASME/
ANSIB1.20.1
-angeconnection
4. M4screwforfunctionalearthconnection
5. Baseblock
6. Flowdirection
7. Motorvalve.
8. StatusLEDforthemotorvalve.
9. Productstatusindicator.Theindicatoroperatesaccording
toNAMURNE107.
10.Notused
11. StatusLEDfortheeldbuscommunication
12. Notused
13. Cover
14. M3screw
15. büSinterfacefortheBürkertCommunicatorsoftware
16. Slotforthememorycard
Fig. 3: Product variants of a Mass Flow Controller
5.2 
Theproductstatusindicatorchangesitscolourbasedonthe
NAMURrecommendationNE107.Thecolouroftheproduct
statusindicatorgivesthefollowingpiecesofinformation:
English
14
Description
Type 8746 Profibus, 8746 Analogue
•Whetherproductdiagnosticsareactiveornot.Diagnosticsareactiveontheproductandcannotbedeactivated.
•Ifproductdiagnosticsareactive,thentheproductstatusindicatorshowswhetherdiagnosticseventshavebeengeneratedornot.
Ifseveraldiagnosticseventshavebeengenerated,thentheproductstatusindicatorshowsthediagnosticseventwiththehighest
priority.RefertoTab.1.
Iftheproductstatusindicatorashes,thentheproductisselectedinaman-machineinterfacesuchastheBürkertCommunicator
software.
Tab. 1: Product status indicator in accordance with NAMUR NE107, edition 2006-06-12, for active diagnostics
Colour
according to
NE107
Colour code
(for a PLC)
Diagnostics event
according to NE107
Meaning for the product
Red 5Failure,errororfault MFM:Duetoamalfunctionoftheproductoritsperiphery,themeasuredvaluesarenotvalid.
MFC:Duetoamalfunctionoftheproductoritsperiphery,themeasuredvaluesarenotvalid
andtheproductcannotregulateanymore.
Orange 4Checkfunction Theproductisbeingworkedon.
•MFM:Theoutputsignalistemporarilyinvalid.
•MFC:Theproductcannotregulatetemporarily.
Yellow 3Outofspecication Theambientconditionsorprocessconditionsfortheproductareoutsidethespecied
ranges.
Productinternaldiagnosticspointtoproblemsintheproductorwiththeprocessproperties.
Blue 2Maintenancerequired →Dotherequiredmaintenanceoperation.
MFM:Theproductcontinuestomeasure.
MFC:Theproductcontinuestoregulate,butafunctionistemporarilyrestricted.
Green 1 - Diagnosticsareactiveandnodiagnosticseventhasbeengenerated.
TheMFCproductvariantoperatesinthenormaloperatingmodeorinStored set-point
valueoperatingmode.Refertochpt.10.7Normaloperatingmode(MFC)andchpt.10.9
Choosethesourcegivingtheset-pointvalue(MFC).
→Tosolveaproblemthatisindicatedbytheproductstatusindicator,refertochpt.12.1Problemsshownbytheproductstatus
indicator.
English
15
Description
Type 8746 Profibus, 8746 Analogue
5.3 
ThecolourandstatusofthemotorvalvestatusLEDgivethefol-
lowingpiecesofinformation:
•Whetherthemotorvalvefacesaproblemornot.
•Whetherthemotorvalveiscompletelyopenorclosed.
Tab. 2: Status of the motor valve depending on the colour of the status
LED
Colour of
the LED
Status of the LED Status of the motor valve
-LEDout Motorvalveisnotenergised
white LEDlit Motorvalveoperatesnormally
yellow LEDlit Motorvalveiscompletelyopen
LEDashing.The
colouralternates
withthecolour
thatindicatesthe
positionofthe
motorvalve.
Theambientconditionsorthe
processconditionsforthemotor
valveareoutsidethespecied
ranges.
green LEDlit Motorvalveisclosed
red LEDashing.The
colouralternates
withthecolour
thatindicatesthe
positionofthe
motorvalve.
Error
5.4 

AproductvariantProbushasanLEDtoshowthestatusofthe
connectiontothenetwork.
StatusLEDfortheeldbus
communication
Fig. 4: Location of the status LED for the eldbus communication
Tab. 3: Description of the status LED for the eldbus communication
Colour of the
LED Meaning
green Cyclicdataisbeingexchangedbetweenthe
productandtheeldbusmaster
red Nocyclicdataisbeingexchangedbetweenthe
productandtheeldbusmaster
English
16
Description
Type 8746 Profibus, 8746 Analogue
5.5 
NOTICE
Ifthememorycardisdefectiveorlost,thenbuyanewmemory
cardfromyourBürkertsalesoce.
Theproductisdeliveredwith a memory cardthat is inserted in
theproduct.
Whentheproductisenergised,therearetwopossibilities:
•Ifproduct-specicdataisstoredontheinsertedmemorycard,
theproductadoptsthedata.Atproductdelivery,thememory
cardcontainsproduct-specicdata.Togetalistofthestored
data,refertotheHelpfortheInitiationlethatcanbedown-
loadedfromcountry.burkert.com.
•Iftheinsertedmemorycardisempty,theproductloadsits
owndataonthememorycard.Anewmemorycardisempty.
Thedataonthememorycardcanbetransferredtoanother
productwiththesamearticlenumber.Forexample,thedatacan
betransferredfromadefectiveproducttoanewproduct.
5.6 
ThebüS-interfaceisusedforshort-termservicingoftheproduct
withtheBürkertCommunicatorsoftware.
→ToconnecttheproducttotheBürkertCommunicator
software,refertochpt.10.4.
5.7 
TheMFCisequippedwithoneofthefollowingcontrolvalvetypes:
•Adirect-actingandnormally-closedproportionalvalve.
•Amotor-drivenvalvethatiscalledmotorvalve.Ifde-energised,
themotorvalveremainsinitslatestposition.
Thecontrolvalveprovidesthesealingfunctionwhenthefol-
lowingconditionsaremet:
•Theproductisusedwithinthespeciedpressurerange.
•Theproductisequippedwithavalveseatsealthatismadeof
asoftmaterialsuchasFKMorEPDM.
NOTICE
If the valve seat seal is made of a hard material such as
PCTFE, then the control valve may not be tight.
Productswithanominalvalvediameterof0.05mmor0.1mm
haveavalveseatsealmadeofahardmaterial.
English
17
Technical data
Type 8746 Profibus, 8746 Analogue
6 TECHNICAL DATA
6.1 
TheproductcomplieswiththeEUdirectivesaccordingtotheEU
declarationofconformity(ifapplicable).
6.2 
Theappliedstandards,whichverifyconformitywiththeEUdirec-
tives,canbefoundontheEUtypeexaminationcerticateand/or
theEUdeclarationofconformity(ifapplicable).
6.3 
WARNING
Risk of injury from malfunction that is due to outdoor use.
▶Donotusetheproductinoutdoorareas.
WARNING
Risk of injury caused by pressure, uid escape.
Importantproduct-specicdataisindicatedontheTypelabel
andthecalibrationplate.
▶Onlyusetheproductforthespeciedoperatinguid.
▶Donotexceedthespeciedcalibrationpressure.
→ForthespecialoperatingconditionsofproductswithATEX
certication,refertotheATEXsupplementfortheproduct.
6.3.1 
Tab. 4: Operating conditions of an MFM
Ambienttemperature –10°C...+50°C
Fluidtemperature •–10°C...+70°C
•–10°C...+60°Cforoxygen
Ambienthumidity <95%,non-condensing
Protectionclass
accordingto
EN60529
1) The IP-Code is
determined by Bürkert.
The IP-Code is not
evaluated by UL.
IP651)
Ifthefollowingconditionsaremet:
•Cablesmustbeconnected.
•Matingconnectorsmustbeplugged
inandtightened.
Operatingpressure Max.22bar
English
18
Technical data
Type 8746 Profibus, 8746 Analogue
6.3.2 

Tab. 5: Operating conditions of an MFC with proportional valve
Ambienttemperature –10°C...+50°C
Fluidtemperature •–10°C...+70°C
•–10°C...+60°Cforoxygen
Ambienthumidity <95%,non-condensing
Protectionclass
accordingto
EN60529
2) The IP-Code is
determined by Bürkert.
The IP-Code is not
evaluated by UL.
IP652)
Ifthefollowingconditionsaremet:
•Cablesmustbeconnected.
•Matingconnectorsmustbeplugged
inandtightened.
Operatingpressure Max.10bar
Dependsonthenominaldiameterof
theproportionalvalve
6.3.3 

Tab. 6: Operating conditions of an MFC with Type 3280 motor valve
Ambienttemperature •–10°C...+50°C
•UL-certiedproductvariant:
–10°C...+40°C
Fluidtemperature •0°C...+70°C
•0°C...+60°Cforoxygen
Ambienthumidity <95%,non-condensing
Protectionclass
accordingto
EN60529
3) The IP-Code is
determined by Bürkert.
The IP-Code is not
evaluated by UL.
IP543)
Ifthefollowingconditionsaremet:
•Cablesmustbeconnected.
•Matingconnectorsmustbeplugged
inandtightened.
Operatingpressure Max.22bar
Dependsonthenominaldiameterof
themotorvalve
English
19
Technical data
Type 8746 Profibus, 8746 Analogue
6.3.4 

Tab. 7: Operating conditions of an MFC with Type 3285 motor valve
Ambienttemperature •–10°C...+50°C
•UL-certiedproductvariant:
–10°C...+40°C
Fluidtemperature •0°C...+70°C
•0°C...+60°Cforoxygen
Ambienthumidity <95%,non-condensing
Protectionclass
accordingto
EN60529
4) The IP-Code is
determined by Bürkert.
The IP-Code is not
evaluated by UL.
•IP504)
Ifthefollowingconditionsaremet:
•Cablesmustbeconnected.
•Matingconnectorsmustbeplugged
inandtightened.
Operatingpressure Max.22bar
Dependsonthenominaldiameterof
themotorvalve
6.4 
WARNING
Risk of injury caused by pressure, uid escape.
Importantproduct-specicdataisindicatedontheTypelabel
andonthecalibrationplate.
▶Onlyusetheproductforthespeciedoperatinguid.
▶Donotexceedthespeciedcalibrationpressure.
6.4.1 
5
4
3
2
1
6
Mass Flow Controller
Medium 1 Medium 2
P1: 1,00 barg P1: 1,00 barg
Mounting: horizontal upright
Id: 00******
QC passed: __ . __ . ____
1. Productvariant
2. Calibrationuid
3. Calibrationpressure
4. Installationposition
5. Productarticlenumber
6. Calibrationdate
Fig. 5: Description of the calibration plate
English
20
Technical data
Type 8746 Profibus, 8746 Analogue
6.4.2 Type label
874x 24V ... 9W [5,5W]
IP65/IP67 NEC Class 2 only
5,0 Nl/min Air
10,0 Nl/min Air
PROFIBUS DPV1 max.12Mbit/s
GR:1 KL:A Ta=-10°C..+50°C
S/N 1000 W41ME PS=100barg EPDM
00******
12 3
4
5
6
7
810
11
9
12
13
14
15
16
1. Typeoftheproduct
2. Supplyvoltage,directcurrent
3. ConsumptionaccordingtoUL61010-1[proportionalvalve:
typicalconsumption1);motorvalve:powerconsumption1)
toholdthepositionofthemotorvalve]
1)Conditions:ambienttemperature23°C,nominalowrate
100%,regulationfor30minutes
4. Warningsymbol:ObservetheOperatingInstructionsdeli-
veredwiththeproduct.
5. Ambienttemperature
6. Sealingmaterial
7. Burstpressure
8. Manufacturingcode
9. ClassofthecontrolvalveaccordingtotheDVGW(Deut-
scherVereindesGas-undWasserfaches)
10.Productarticlenumber
11. Serialnumber
12. Categoryoftheproduct
13. ProductvariantProbus:communicationinterface
ProductvariantAnalogue:inputandoutput
14. Nominalowrate(Qnominal),unitsandoperatinggas2
15. Nominalowrate(Qnominal),unitsandoperatinggas1
16. IP-Code
Fig. 6: Description of the Type label (example)
6.4.3 

Rue du Giessen
F-67220 Triembach
Made in France
Conformitymarking
Certication
WARNING-Hot
surface
Fig. 7: CE marking and UL-certication
English
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
/