Burkert 8695 Series User manual

Operating Instructions
Type 8695 REV.3
Control Head

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 2209/00_EU-EN_00815434 / Original DE

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Control head Type 8695 REV.3
Table of ConTenTs
1ABOUT THESE INSTRUCTIONS ............................................................................................................7
1.1 Symbols........................................................................................................................................7
1.2 Denitionofterms........................................................................................................................7
2INTENDED USE ......................................................................................................................................8
3BASIC SAFETY INSTRUCTIONS ...........................................................................................................9
4GENERAL INFORMATION....................................................................................................................10
4.1 Contact address.........................................................................................................................10
4.2 Warranty .....................................................................................................................................10
4.3 Trademarks.................................................................................................................................10
4.4 Informationontheinternet ........................................................................................................10
5SYSTEM DESCRIPTION.......................................................................................................................11
5.1 Structureandfunction ...............................................................................................................11
5.1.1 Control head for integrated installation on 21xx series (ELEMENT) ...........................11
5.1.2 Model for control of process valves belonging to the 20xx series (CLASSIC) ...........12
6TECHNICAL DATA ................................................................................................................................13
6.1 Standardsanddirectives...........................................................................................................13
6.2 Licenses .....................................................................................................................................13
6.3 Operatingconditions .................................................................................................................13
6.4 Mechanicaldata.........................................................................................................................14
6.5 Type labels .................................................................................................................................14
6.5.1 Type label standard ....................................................................................................14
6.5.2 UL type label...............................................................................................................14
6.5.3 UL additional label......................................................................................................15
6.6 Pneumaticdata ..........................................................................................................................15
6.7 Electricaldata ............................................................................................................................16
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Inhaltsverzeichnis
6.7.1 Electricaldatawithouteldbuscommunication........................................................16
6.7.2 Electrical data, IO-Link ...............................................................................................16
6.7.3 Electrical data, büS.....................................................................................................17
6.7.4 Electrical data, AS-Interface.......................................................................................17
6.8 Communication..........................................................................................................................18
6.8.1 IO-Link ........................................................................................................................18
7INSTALLATION......................................................................................................................................19
7.1 Safetyinstructions .....................................................................................................................19
7.2 InstallationofthecontrolheadType8695onprocessvalvesofseries21xx(ELEMENT) .....19
7.3 InstallationofthecontrolheadType8695onprocessvalvesofseries20xx(CLASSIC) ......24
7.4 Rotatingtheactuatormoduleonprocessvalvesofseries2100,2101,2000and2012 ........28
7.5 Rotatingthecontrolheadforprocessvalvesbelongingtoseries20xx .................................30
8PNEUMATIC INSTALLATION................................................................................................................31
9ELECTRICAL INSTALLATION...............................................................................................................33
9.1 Safetyinstructions .....................................................................................................................33
9.2 Electricalinstallation,withouteldbuscommunication...........................................................34
9.3 Electricalinstallation,IO-LinkportclassBandportclassA...................................................35
9.4 Electricalinstallation,büS .........................................................................................................35
9.5 Electricalinstallation,AS-Interface ...........................................................................................36
9.5.1 Connection with circular plug-in connector M12 x 1, 4-pin .......................................36
9.5.2 Connectionwithmulti-polecableandribboncableterminal.....................................37
10 START-UP ............................................................................................................................................. 38
10.1 Invertprocessvalvedirection ...................................................................................................38
10.2 Teachfunction:Determineendpositionsandsavethese,REV.3 ...........................................40
10.2.1 Automaticteachfunction............................................................................................40
10.2.2 Manual teach function ................................................................................................42
10.2.3 Teach-in-operation function........................................................................................44
10.3 SettingwithBürkertCommunicator..........................................................................................45
10.3.1 ConnectingIO-LinkdevicewithBürkertCommunicator............................................45
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10.4 IO-Link ........................................................................................................................................47
10.4.1 Information,IO-Link....................................................................................................47
10.5 Congurationoftheeldbus .....................................................................................................47
10.6 büS..............................................................................................................................................47
10.6.1 Information,büS .........................................................................................................47
10.6.2 Congurationoftheeldbus ......................................................................................47
10.7 AS-Interface ...............................................................................................................................48
10.7.1 Certication ................................................................................................................48
10.7.2 Programmingdata ......................................................................................................48
11 CONTROL AND DISPLAY ELEMENTS ................................................................................................49
11.1 Operatingstate............................................................................................................................. 50
11.2 Functionsoftheoperatinganddisplayelements ....................................................................51
11.3 Statusindicator..........................................................................................................................54
11.4 DescriptionoftheLEDmodes ..................................................................................................55
11.4.1 Valvemode .................................................................................................................55
11.4.2 Valvemodeanderror..................................................................................................55
11.4.3 Valvemodeandwarnings...........................................................................................56
11.4.4 NAMURmode.............................................................................................................57
11.4.5 Fixed colour ................................................................................................................57
11.4.6 LEDo........................................................................................................................ 57
11.5 Manualactuationoftheactuatorwithpilotvalve ....................................................................58
11.6 SettingtheLEDmode,statusindicator....................................................................................60
12 SAFETY END POSITIONS ....................................................................................................................61
13 MAINTENANCE ....................................................................................................................................61
14 DISASSEMBLY .....................................................................................................................................62
14.1 Safetyinstructions .....................................................................................................................62
14.2 Disassemblythecontrolhead...................................................................................................62
15 ACCESSORIES .....................................................................................................................................64
15.1 Communicationssoftware.........................................................................................................64
16 PACKAGING AND TRANSPORT .......................................................................................................... 65
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17 STORAGE .............................................................................................................................................65
18 DISPOSAL ............................................................................................................................................65
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About these instructions
1 ABOUT THESE INSTRUCTIONS
The operating instructions describe the entire life cycle of the device.
→Keep these instructions ready to hand at the operation site.
Importantsafetyinformation.
▶Carefully read these instructions.
▶Observe in particular the safety instructions, intended use and operating conditions.
▶Persons,whoworkonthedevice,mustreadandunderstandtheseinstructions.
1.1 Symbols
DANGER
Warnsofanimmediatedanger.
▶Failure to observe the warning will result in a fatal or serious injury.
WARNING
Warnsofapotentiallydangeroussituation.
▶Failuretoobservethewarningmayresultafatalorseriousinjury.
CAUTION
Warnsofapossibledanger.
▶Failuretoobservethewarningmayresultinmoderateorminorinjuries.
ATTENTION
Warnsofdamagetoproperty.
▶Failuretoobservethewarningmayresultindamagetodeviceorsystem.
Indicatesimportantadditionalinformation,tipsandrecommendations.
Referstoinformationintheseoperatinginstructionsorinotherdocumentation.
▶Indicates an instruction for risk prevention.
→Indicatesaprocedurewhichyoumustcarryout.
Indicates a result.
Menu Indicates a interface text.
1.2 Denition of terms
Intheseinstructionstheterm“device”denotesthefollowingdevicetypes:
Control head Type 8695 REV.3.
Theterm“büS”(Bürkertsystembus)usedinthisinstructionstandsforthecommunicationbusdeveloped
by Bürkert and based on the CANopen protocol.
Intheseinstructions,theabbreviation“Ex”alwaysrefersto“potentiallyexplosiveatmosphere”.
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Intended use
2 INTENDED USE
ThecontrolheadType8695REV.3isdesignedtobemountedonpneumaticactuatorsofprocess
valvesforthecontrolofmedia.Thepermitteduidmediaarelistedinthetechnicaldata.
▶Usethedeviceforitsintendedpurposeonly.Non-intendeduseofthedevicemaybedangeroustopeo-
ple,nearbyequipmentandtheenvironment.
▶Correcttransportation,correctstorageaswellascorrectinstallation,commissioning,operationand
maintenanceareessentialforreliableandproblem-freeoperation.
▶Whenusingthedevice,observethepermitteddata,operatingconditionsandapplicationconditions.
Thisinformationcanbefoundinthecontractualdocuments,theoperatinginstructionsandonthetype
label.
▶Usethedeviceonlyinconjunctionwiththird-partydevicesandcomponentsrecommendedandautho-
rized by Bürkert.
▶Donotusethedeviceoutdoorswithoutprotectionfromtheweather.
▶Inpotentiallyexplosiveatmosphere,onlyusedevicesapprovedforuseinthoseareas.Thesedevices
arelabeledwithaseparateExtypelabel.Forsuchuse,notetheinformationprovidedontheseparate
Extypelabelandtheadditionalexplosion-relatedinformationorseparateexplosion-relatedoperating
instructions.
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Basic safety instructions
3 BASIC SAFETY INSTRUCTIONS
These safety instructions do not consider any contingencies or incidents which occur during installation,
operationandmaintenance.
Theoperatorisresponsibleforobservingthelocation-specicsafetyregulations,alsowithreferencetothe
personnel.
DANGER
Riskofinjuryfromhighpressureanddischargeofmedium.
▶Beforeworkingonthedeviceorsystem,switchothepressure.Ventordrainlines.
DANGER
Riskofinjuryfromelectricshock.
▶Beforeworkingonthedeviceorsystem,switchothepowersupply.Secureagainstreactivation.
▶Observeapplicableaccidentpreventionandsafetyregulationsforelectricalequipment.
Topreventinjury,ensurethefollowing:
▶Securedeviceorsystemtopreventunintentionalactivation.
▶Onlytrainedtechniciansmayperforminstallationandmaintenancework.
▶Performinstallationandmaintenancewithsuitabletoolsonly.
▶Donotmakeanychangestothedeviceanddonotsubjectittomechanicalstress.
▶Operate the device only in perfect state and in consideration of the operating instructions.
▶Observe the general rules of technology.
▶Install the device according to the regulations applicable in the respective country.
▶Donotfeedcorrosiveorammablemediaintothedeviceconnections.
▶Donotfeedanyuidsintotheconnectionsofthedevice.
▶Aftertheprocessisinterrupted,restartinacontrolledmanner.Observesequence:
1.Connectelectricalorpneumaticpowersupply.
2.Chargethedevicewithmedium.
▶Observe intended use.
▶When unscrewing and screwing in the body casing or the transparent cap, do not hold the actuator of the
process valve but the basic housing of the device.
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General information
4 GENERAL INFORMATION
4.1 Contact address
Germany
BürkertFluidControlSystem
Chr.-Bürkert-Str. 13-17
D-74653Ingelngen
E-mail:[email protected]
International
Contactaddressescanbefoundonthenalpagesoftheprintedoperatinginstructions.
AndalsoontheInternetat:
www.burkert.com
4.2 Warranty
ThewarrantyisonlyvalidifthecontrolheadType8695isusedasintendedinaccordancewiththespecied
application conditions.
4.3 Trademarks
Brandsandtrademarkslistedbelowaretrademarksofthecorrespondingcompanies/associations/
organizations
Loctite  HenkelLoctiteDeutschlandGmbH
4.4 Information on the internet
TheoperatinginstructionsanddatasheetsforType8695canbefoundontheInternetat:
www.burkert.com
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System description
5 SYSTEM DESCRIPTION
5.1 Structure and function
The control head Type 8695 can control single or double-acting process valves.
ThecontrolheadType8695hasbeenoptimizedfortheintegratedmodularttingofseries21xxprocessvalves
(ELEMENT) with actuator size ∅50.Variousexpansionstagesarepossiblethankstothemodulardesign.
Forinstallationonthe20xxseries(CLASSIC)thereisaspecialmodelwhichisdescribedinchapter“5.1.2”.
Thevalvepositionisrecordedviaacontactless,analogsensorelementwhichautomaticallydetectsandsaves
thevalveendpositionsbymeansoftheteachfunctionduringstart-up.
Variants:
•withouteldbuscommunication:24VdevicewithdigitalinputsandoutputsandbüSserviceinterface
•AS Interface
•IO-Link
•büS
5.1.1 Control head for integrated installation on 21xx series
(ELEMENT)
Electrical connection
Circular plug-in connector
M12 x 1 Air exhaust port
(label:3)
Pressurelimitingvalve
(for protection against too
high internal pressure in
case of error)
Pilot air port
(label:1)
Fastening screws (2 x)
Viewwithouttransparentcap:
Basic housing
Status indicator (RGB LED)
ASi PWR-LED (green)
ASi FAULT-LED (red)
Key 2
Key 1
büS service interface
Inv.ValveDir. LED
Manual LED
Pilot LED
Figure 1: Structure
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System description
5.1.2 Model for control of process valves belonging to the 20xx
series (CLASSIC)
AspecialmodelenablesthecontrolheadType8695tobeattachedtoprocessvalvesbelongingtothe
20xx series.
Thismodelhasadierentpneumaticconnectionmodulesothatthepilotairportscanbeconnectedtothe
outside of the actuator (see “Figure2”).
Pilot air outlet 22
Pilot air outlet 21
Figure 2: Model for control of process valves, 20xx series
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Technical data
6 TECHNICAL DATA
6.1 Standards and directives
ThedevicecomplieswiththerelevantEUharmonisationlegislation.Inaddition,thedevicealsocomplies
withtherequirementsofthelawsoftheUnitedKingdom.
Theharmonisedstandardsthathavebeenappliedfortheconformityassessmentprocedurearelistedinthe
currentversionoftheEUDeclarationofConformity/UKDeclarationofConformity.
6.2 Licenses
Theproductisapprovedforuseinzone2and22inaccordancewithATEXdirective2014/34/EUcategory
3GD.
Observeinstructionsonoperationinapotentiallyexplosiveatmosphere(Exarea).
ObservetheATEXadditionalinstructions.
The product is cULus approved. Instructions for use in the UL area see chapter “6.7Electricaldata”.
6.3 Operating conditions
WARNING!
Solarradiationandtemperatureuctuationsmaycausemalfunctionsorleaks.
▶If the device is used outdoors, do not expose it unprotected to the weather conditions.
▶Ensurethatthepermittedambienttemperaturedoesnotexceedthemaximumvalueordropbelowthe
minimumvalue.
Ambienttemperature       seetypelabel
Degree of protection
Evaluatedbythemanufacturer: EvaluatedbyUL:
IP65/IP67accordingtoEN605291) UL Type 4x Rating, indoor only 1)
Operatingaltitude        upto2000mabovesealevel
Relativeairhumidity       max.90%at55°C/60°C(noncondensing)
1) Only if cables, plugs and sockets have been connected correctly and in compliance with the exhaust air concept see
chapter “8 Pneumatic installation”.
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Technical data
6.4 Mechanical data
Dimensions         Seedatasheet
Bodymaterial    exterior   PPS,PC,VA
interior PA6; ABS
Sealingmaterial   exterior   EPDM/FKM
Stroke range of valve spindle
21xx series (ELEMENT)
and20xxseries(CLASSIC)     2–35mm
Third-party devices
(modiedguideelementrequired)   2–44mm
6.5 Type labels
6.5.1 Type label standard
869524V/DC
single act Pilot 0,6
Pmax7bar
Tamb0°C-+55°CREV.2
S/N001000
00185114
D-74653 Ingelfingen
W14UN
Ordernumber
Supplyvoltageoreldbauscontrol
Max. operating pressure
Type Control function, pilot valve
Barcode
Serialnumber,CEmarking
Ambienttemperature,version
Figure 3: Type label (example)
6.5.2 UL type label
8695 -E1-...-0 PU02
Single act Pilot 0.6 24V
Pmax7bar
Tamb-10-+55°CREV.2
S/N1001
00123456
D-74653 Ingelfingen
W15MA
Ordernumber,manufacturecode
Max. operating pressure
Type, Features of the type code applicable to UL and ATEX
Control function, pilot valve,
supply voltage pilot valve
Barcode
Serialnumber,CEmarking
Ambienttemperature,version
Figure 4: UL type label (example)
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Technical data
6.5.3 UL additional label
E238179
Degree of protection
Circuitwithlimitedpower
Communication,
supply voltage
Type 4X enclosure
NEC Class 2 only
PowerSupply:büS
24V±25%
max.3,5W
Powerconsumption
Figure 5: UL additional label (example)
6.6 Pneumatic data
Controlmedium      neutralgases,air
Quality classes in accordance with ISO 8573-1
  Dustcontent  Class7  max.particlesize40µm,max.particledensity10mg/m³
  Watercontent  Class3  max.pressuredewpoint
-20°Cormin.10°Cbelowthelowestoperatingtemperature
  Oilcontent   ClassX  max.25mg/m³
  Temperaturerange    -10–+50°C
Pressure range 3 – 7 bar
Air output of pilot valve 7 lN/min(foraerationanddeaeration)
(QNn-valueaccordingtodenitionforpressuredropfrom7to6bar
absolute)
Connections 21xx (ELEMENT) Plug-in hose connector ∅6mm(1/4“)
SocketconnectionG1/8
      20xx(CLASSIC) SocketconnectionG1/8
with M5 connection for connecting to the actuator
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Technical data
6.7 Electrical data
WARNING!
OnlycircuitswithlimitedpowermaybeusedforULapprovedcomponentsaccordingto“NECClass2”.
6.7.1 Electrical data without eld bus communication
Protection class III as per DIN EN 61140 (VDE 0140-1)
Connection
Supply Circular plug-in connector (M12 x 1, 8-pin)
  Communication      büSserviceinterface
Operating voltage 24 V ±25%,max.residualripple10%
Currentconsumption     90mA@18V+currentloadforanactivedigitaloutput
Digital output 2 x 24V PNP
  Outputcurrent       max.100mAperoutput
  Outputvoltage       Low=GND+max.2VandHigh=operatingvoltage–max.2V
Digital input 24 V potential-free (suitable for PNP and NPN control)
  Outputcurrent       max.9mA@30V (as per EN 61131-2 Type 1)
Output voltage Low = 0...5 V and High = 15...30 V
(as per EN 61131-2 Type 1)
Powerconsumptionincl.loadon
oneactivedigitaloutput     2W/5W
Communicationsoftware    BürkertCommunicator
6.7.2 Electrical data, IO-Link
Protectionclass      IIIasperDINEN61140(VDE0140-1)
Connection
Supply, IO-Link Circular plug-in connector M12 x 1, 5-pin, port class A
Circular plug-in connector M12 x 1, 5-pin, port class B
  Communication     büSserviceinterface
Operating voltage
  Systemsupply(Pin1+3)   24V ±25%(accordingtospecication)
  OnlyforportclassB:
  Actuatorsupply(Pin2+5)2) 24 V ±25%(accordingtospecication)
Currentconsumption
  Systemsupply(Pin1+3)   PortclassA:max.150mA,onlywithinstalledpilotvalves
            PortclassB:max.100mA
  OnlyforportclassB:
  Actuatorsupply(Pin2+5)  max.50mA
Totalpowerconsumption   max.3.5W
2) Actuator supply is galvanically isolated from system supply in accordance with IEC 60664 and for electrical safety in
accordance with SELV from IEC 61010-2-201
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Technical data
6.7.3 Electrical data, büS
Protectionclass      IIIasperDINEN61140(VDE0140-1)
Connection Circular plug-in connector M12 x 1, 5-pin, A coded
Operating voltage 24 V ±25%
Currentconsumption     max.150mA,onlywithinstalledpilotvalve
Totalpowerconsumption   max.3.5W
6.7.4 Electrical data, AS-Interface
Protection class III as per DIN EN 61140 (VDE 0140-1)
Connection
Supply, AS-Interface Circular plug-in connector M12 x 1, 4-pin
  Communication     büSserviceinterface
Operating voltage
  SystemsupplyAS-Interface
  (Pin1+3)       viaAS-Interfacepowersupplyunitaccordingtospecicationwith
29.5 V...31.6 V
Powerconsumption
Output pilot valve approx. 0.8 W incl. integrated watchdog function
Currentconsumption     max.110mA,onlywithinstalledpilotvalve
Communicationsoftware   BürkertCommunicator
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Technical data
6.8 Communication
6.8.1 IO-Link
Port class A B
IO-LinkSpecication V1.1.2
Supply via IO-Link (M12 x 1, 5-pin, A-coded)
SIOmode No
IODDle see Internet
VendorID 0x0078, 120
DeviceID seeIODDle
ProductID 8695 Class A 8695 Class B
Transmissionspeed COM3(230,4kbit/s)
PD Input Bits 56
PD Output Bits 8
M-sequence Cap. 0x0D
Min.cycletime 5ms
Data Storage Yes
Max. cable length 20m
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Installation
7 INSTALLATION
7.1 Safety instructions
DANGER!
Riskofinjuryfromhighpressureintheequipment/device.
▶Beforeworkingonequipmentordevice,switchothepressureanddeaerate/drainlines.
Riskofelectricshock.
▶Beforeworkingonequipmentordevice,switchothepowersupplyandsecuretopreventreactivation.
▶Observeapplicableaccidentpreventionandsafetyregulationsforelectricalequipment.
WARNING!
Riskofinjuryfromimproperinstallation.
▶Installationmaybecarriedoutbyauthorizedtechniciansonlyandwiththeappropriatetools.
Riskofinjuryfromunintentionalactivationofthesystemandanuncontrolledrestart.
▶Securesystemfromunintentionalactivation.
▶Followingassembly,ensureacontrolledrestart.
7.2 Installation of the control head Type 8695 on process
valves of series 21xx (ELEMENT)
ATTENTION!
Whenmountingonprocessvalveswithaweldedconnection,followtheinstallationinstructionsinthe
operatinginstructionsfortheprocessvalve.
Procedure:
1. Install switch spindle
Transparent cap
Actuator
Pilot air ports
(plug-in hose connectors with collets
or threaded bushings)
Figure 6: Installation of switch spindle (1), series 21xx
→Unscrew the transparent cap on the actuator and unscrew the position display (yellow cap) on the
spindle extension (if present).
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Installation
→Forversionwithplug-inhoseconnector,removethecollets(whitenozzles)frombothpilotairports(if
present).
Spindle extension
O-ring
Guideelement
Actuator cover
Groove ring
Puck
Switch spindle
max.5Nm
max.1Nm
Figure 7: Installation of the switch spindle (2), series 21xx
ATTENTION!
Improperinstallationmaydamagethegrooveringintheguideelement.
Thegrooveringisalreadybepre-assembledintheguideelementandmustbe“lockedintoposition”
intheundercut.
▶Wheninstallingtheswitchspindle,donotdamagethegroovering.
→Pushtheswitchspindlethroughtheguideelement.
ATTENTION!
Screwlockingpaintmaycontaminatethegroovering.
▶Do not apply any screw locking paint to the switch spindle.
→Tosecuretheswitchspindle,applysomescrewlockingpaint(Loctite290)inthetappedboreofthespindle
extension in the actuator.
→Check that the O-ring is correctly positioned.
→Screwtheguideelementtotheactuatorcover(maximumtorque:5Nm).
→Screw switch spindle onto the spindle extension. To do this, there is a slot on the upper side
(maximumtorque:1Nm).
→Push puck onto the switch spindle and lock into position.
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