Burkert 8695 Series User manual

Quickstart
English Deutsch Français
Type 8695 REV.3
Control Head
Steuerkopf
Tête de commande

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modications techniques.
© Bürkert Werke GmbH & Co. KG, 2022
Quickstart 2211/00_EU-ML_00815435 / Original DE

3
1 ABOUT THESE INSTRUCTIONS .......................................... 4
1.1 Symbols....................................................................... 4
1.2 Denitionofterm ......................................................... 4
2 INTENDED USE .................................................................... 5
3 BASIC SAFETY INSTRUCTIONS.......................................... 5
4 GENERAL INFORMATION .................................................... 6
4.1 Contact address.......................................................... 6
4.2 Warranty ...................................................................... 6
4.3 Informationontheinternet .......................................... 6
5 SYSTEM DESCRIPTION ....................................................... 7
5.1 Structureandfunction................................................. 7
6 TECHNICAL DATA................................................................. 8
6.1 Standardsanddirectives............................................. 8
6.2 Approvals .................................................................... 8
6.3 Operatingconditions................................................... 8
6.4 Mechanicaldata .......................................................... 9
6.5 Type labels................................................................... 9
6.6 Pneumaticdata ......................................................... 10
6.7 Electricaldata............................................................ 10
6.8 Communication ......................................................... 12
7 INSTALLATION .................................................................... 12
7.1 Safetyinstructions..................................................... 12
7.2 Installationofthecontrolheadonprocessvalves
 ofseries21xx ............................................................ 13
7.3 Installationofthecontrolheadonprocessvalves
 ofseries20xx ............................................................ 14
7.4 Manualactuationoftheactuatorviapilotvalve........ 16
8 PNEUMATIC INSTALLATION .............................................. 17
9 ELECTRICAL INSTALLATION ............................................. 18
9.1 Safetyinstructions..................................................... 18
9.2 Electricalinstallation,withouteldbus
 communication.......................................................... 18
9.3 Electricalinstallation,IO-Link,portclassBand
 portclassA ............................................................... 19
9.4 Electricalinstallation,büS ......................................... 19
9.5 Electricalinstallation,AS-Interface............................ 20
10 START-UP............................................................................ 21
10.1 Invertprocessvalvedirection.................................... 21
10.2 Teachfunction:Determineendpositionsand
 savethese,REV.3...................................................... 23
10.3 SettingthedevicewithBürkertCommunicator ........ 27
10.4 IO-Link....................................................................... 28
10.5 büS ............................................................................ 28
10.6 AS-Interface .............................................................. 28
11 CONTROL AND DISPLAY ELEMENTS............................... 29
11.1 Openandclosethedevice........................................ 30
11.2 Operatingstate ........................................................... 30
11.3 Functionsoftheoperatinganddisplayelements...... 30
12 SAFETY END POSITIONS ................................................. 35
13 ACCESSORIES ................................................................... 36
13.1 Communicationssoftware......................................... 36
14 PACKAGING, TRANSPORT, STORAGE ............................. 36
Table of Contents
english
Type 8695 REV.3

4
About these instructions
1 ABOUT THESE INSTRUCTIONS
The Quickstart contains extremely important information on 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.
TheoperatinginstructionscanbefoundontheInternetat:
www.burkert.com
1.1 Symbols
DANGER!
Warns of an immediate danger.
▶Failuretoobservethewarningmayresultinafatalorserious
injury.
WARNING!
Warns of a potentially dangerous situation.
▶Failuretoobservethewarningmayresultinseriousorfatal
injuries.
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the
deviceorsystem.
Indicatesimportantadditionalinformation,tipsand
recommendations.
Referstoinformationintheseinstructionsorinother
documentation.
▶Designatesaninstructiontopreventrisks.
→Designatesaprocedurethatmustbecarriedout.
Indicatesaresult.
1.2 Denition of term
Theterm“device”usedintheseinstructionsalwaysstandsfor
the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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Type 8695 REV.3

5
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people,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,opera-
ting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authorized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infor-
mationprovidedontheseparateExtypelabelandtheaddi-
tionalexplosion-relatedinformationorseparateexplosion-
relatedoperatinginstructions.
3 BASIC SAFETY INSTRUCTIONS
Thesesafetyinstructionsdonotconsideranycontingenciesorinci-
dents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pres-
sure.Ventordrainlines.
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regulati-
onsforelectricalequipment.
To prevent injury, ensure the following:
▶Securedeviceorsystemtopreventunintentionalactivation.
▶Onlytrainedtechniciansmayperforminstallationandmain-
tenance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.
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Type 8695 REV.3

6
General information
▶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man-
ner.Observesequence:
1.Connectelectricalorpneumaticpowersupply.
2.Chargethedevicewithmedium.
▶Observeintendeduse.
4 GENERAL INFORMATION
4.1 Contact address
Germany
BürkertFluidControlSystem
Chr.-Bürkert-Str.13-17
D-74653Ingelngen
TE-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 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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Type 8695 REV.3

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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.
Controlhead
Actuator
Valvebody
Processvalve
Fig. 1: Structure 1
Dependingontheconditionsofuse,dierentprocessvalvesfrom
theBürkertrangecanbecombinedwiththecontrolhead.Angle-
seat valves, globe valves and diaphragm valves of series 21xx
(ELEMENT)and20xx(CLASSIC)aresuitable.
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
variant.
Basichousing
Electricalconnection
Circularplug-inconnectorM12x1
Exhaustairport
(label:3)
Pressurelimitingvalve(forpro-
tectionagainsttoohighinternal
pressureincaseoferror)
Pilotairport
(label:1)
Fasteningscrews(2x)
Viewwithouttransparentcap,series21xx(ELEMENT):
Pilotairoutlet22
Pilotairoutlet21
Variantforseries20xx(CLASSIC)
Fig. 2: Structure 2
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Type 8695 REV.3

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Technical data
6 TECHNICAL DATA
6.1 Standards and directives
ThedevicecomplieswiththerelevantEUharmonisationlegis-
lation.Inaddition,thedevicealsocomplieswiththerequire-
mentsofthelawsoftheUnitedKingdom.
Theharmonisedstandardsthathavebeenappliedforthecon-
formityassessmentprocedurearelistedinthecurrentversionof
theEUDeclarationofConformity/UKDeclarationofConformity.
6.2 Approvals
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anpotentially
explosiveatmosphere(Exarea).ObservetheATEXaddi-
tional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 mal-
functions 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only1)
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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Type 8695 REV.3

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Technical data
6.4 Mechanical data
Dimensions        Seedatasheet
Bodymaterial  exterior   PPS,PC,stainlesssteel
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7bar
Tamb0°C-+55°CREV.3
Ser.-Nr.001000
00185114
D-74653Ingelfingen
W14UN
Order number
Supplyvoltageoreldbuscontrol
Max.operating
pressure
Type
Controlfunction,
pilotvalve
Barcode
Serialnumber,
CEmarking
Ambienttemper-
ature,version
Fig. 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.3
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
Fig. 4: UL type label (example)
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
Fig. 5: UL additional label (example)
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Type 8695 REV.3

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Technical data
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
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)
Connections
 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)
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Type 8695 REV.3

11
Technical data
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
Communication
software     BürkertCommunicator
2) Actuator supply is galvanically isolated from system supply in accor-
dance with IEC 60664 and for electrical safety in accordance with
SELV from IEC 61010-2-201
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
valves
6.7.4 Electrical data, AS-Interface
Protectionclass   IIIasperDINEN61140(VDE0140-1)
Connection
 Supply,ASi   Circularplug-inconnectorM12x1,4-pin
 Communication  büSserviceinterface
Operatingvoltage
 SystemsupplyASi
  (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
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Type 8695 REV.3

12
Installation
Currentconsumption max.110mA,onlywithinstalledpilot
valve
Communication
software     BürkertCommunicator
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 Ye s
Max.cablelength 20m
7 INSTALLATION
Onlyforcontrolheadwithoutpre-assembledprocess
valve.
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.
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Type 8695 REV.3

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Installation
7.2 Installation of the control head on
process valves of series 21xx
ATTENTION!
When mounting on process valves with a welded connection,
follow the installation instructions in the operating instructions
for the process valve.
Whenthecontrolheadisbeinginstalled,thecolletsofthe
pilotairportsmustnotbettedtotheactuator.
ATTENTION!
Damaged printed circuit board or malfunction.
▶Ensurethatthepuckissituatedatontheguiderail.
→Alignthepuckandthecontrolheaduntil
1. thepuckcanbeinsertedintotheguiderailofthe
 controlhead(see“Fig.6”)and
2. theconnectionpiecesofthecontrolheadcanbeinserted
intothepilotairportsoftheactuator(seealso“Fig.7”).
Guiderail
Puck
Connection
pieces
Fig. 6: Aligning the puck
→Pushthecontrolhead,withoutturningit,ontotheactuator
untilnogapisvisibleontheformseal.
ATTENTION!
Too high torque when screwing in the fastening screw does
not ensure protection class IP65 / IP67.
▶Thefasteningscrewsmaybetightenedtoamaximum
torqueof1.5Nmonly.
→Attachthecontrolheadtotheactuatorusingthetwoside
fasteningscrews.Indoingso,tightenthescrewsonlyhand-
tight(max.torque:1.5Nm).
Connection
pieces
Pilotair
ports
(actuator)
Fastening
screws
max.1.5Nm
Fig. 7: Installation of control head, 21xx series
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Type 8695 REV.3

14
Installation
7.3 Installation of the control head on
process valves of series 20xx
Procedure:
Guiderail
Puck
Fig. 8: Aligning the puck
ATTENTION!
Damaged printed circuit board or malfunction.
▶Ensurethatthepuckissituatedatontheguiderail.
→Pushthe controlhead onto the actuator. Thepuck mustbe
alignedinsuchawaythatitisinsertedintotheguiderailofthe
controlhead(see“Fig.8”).
→Pressthecontrolheadallthewaydownasfarastheactuator
andturnitintotherequiredposition.
Ensurethatthepneumaticconnectionsofthecontrol
headandthoseofthevalveactuatoraresituatedpref-
erablyverticallyoneabovetheother(see“Fig.9”).
ATTENTION!
Too high torque when screwing in the fastening screw does
not ensure protection class IP65 / IP67.
▶Thefasteningscrewsmaybetightenedtoamaximum
torqueof1.5Nmonly.
→Attachthecontrolheadtotheactuatorusingthetwoside
fasteningscrews.Indoingso,tightenthefasteningscrews
hand-tightonly(maximumtorque:1.5Nm).
Pilotairoutlet21
Pilotairoutlet22
Upperpilotairport
Lowerpilotairport
Fasteningscrews(2x)
Fig. 9: Installing the pneumatic connection, 20xx series
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Type 8695 REV.3

15
Installation
→Screwtheplug-inhoseconnectorsontothecontrolheadand
theactuator.
→Usingthehosessuppliedintheaccessorykit,makethe
pneumaticconnectionbetweenthecontrolheadandactuator
withthe“Tab.1:Pneumaticconnectiontoactuator”.
ATTENTION!
Damage or malfunction due to ingress of dirt and moisture.
▶TocomplywithprotectionclassIP65/IP67,connectthe
pilotairoutlet (onlyforCFAorCFB)whichisnotrequiredto
thefreepilotairportoftheactuatororsealwithaplug.
“Inrestposition”meansthatthepilotvalvesofthe
controlheadType8695areisolatedornotactuated.
If the ambient air is humid, a hose can be connected
between pilot air outlet 22 of the control head and the
unconnected pilot air port of the actuator for control
function A or control function B. As a result, the spring
chamberoftheactuatorissuppliedwithdryairfromthe
ventductofthecontrolhead.
Control function A (CFA)
Processvalveclosedinrestposition(byspringforce)
Control head
Pilotairoutlet 2221
or
2221
Actuator
Upperpilotairport
Lowerpilotairport
Control function B (CFB)
Processvalveopeninrestposition(byspringforce)
Control head
Pilotairoutlet 2221
or
2221
Actuator
Upperpilotairport
Lowerpilotairport
Control function I (CFI)
Processvalveinrestposition closed open
Control head
Pilotairoutlet 22212221
Actuator
Upperpilotairport
Lowerpilotairport
Tab. 1: Pneumatic connection to actuator
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Type 8695 REV.3

16
Installation
7.4 Manual actuation of the actuator via
pilot valve
Theactuatorcanbemovedwithoutapowersupplyfromtherest
positiontoitsendpositionandbackagain,when the control air is
connected.
Todothis,thepilotvalvemustbeactuatedwithascrewdriver.
ATTENTION!
Breakage of the pneumatic connection pieces due to rota-
tional impact.
▶Whenunscrewingandscrewinginthebodycasingortrans-
parentcap,donotholdtheactuatoroftheprocessvalvebut
thebasichousing.
→Toactivatethedevicemanually,unscrewthebodycasing.
Bodycasing
Basichousing
Actuator
Transparent cap
Fig. 10: Opening and closing the device
ATTENTION!
Damage or malfunction due to ingress of dirt or moisture.
ToobservethedegreeofprotectionIP65orIP67:
▶Screwinbodycasingtothestop.
ATTENTION!
The manual override may be damaged if it is simultaneously
pressed and turned.
▶Donotpressthemanualoverridewhenturningit.
Pilot valve non activated
(normal position)
Manual
override
Manual
override
totheleft
Pilot valve activated
Manual
override
totheright
Fig. 11: Pilot valve for aerate and deaerate the actuator
Move actuator to end position
→Turnthemanualoverridetotherightusingascrewdriver.
Note: Donotpressthemanualoverridewhenturningit
Move actuator back to the rest position
→Turnthemanualoverridetotheleftusingascrewdriver.
Note: Donotpressthemanualoverridewhenturningit
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Type 8695 REV.3

17
Pneumatic installation
8 PNEUMATIC INSTALLATION
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.
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installation,ensureacontrolledrestart.
Procedure:
→Connectthecontrolmediumtothepilotairport(1)
(3–7bar;instrumentair,freeofoil,wateranddust).
→Attachtheexhaustairlineorasilencertotheexhaustairport(3)
(see“Fig.12:Pneumaticconnection”).
Keeptheadjacentsupplypressurealways at least
0.5–1barabovethepressurewhichisrequiredtomove
theactuatortoitsendposition.
Importantinformationfortheproblem-freefunctioningof
thedevice:
▶Theinstallationmustnotcausebackpressuretobuild
up.
▶Selectahosefortheconnectionwithanadequate
cross-section.
▶Theexhaustairlinemustbedesignedinsuchawaythat
nowaterorotherliquidcangetintothedevicethrough
theexhaustairport.
Pilotairport
(label:1)
Exhaustairport
(label:3)
Fig. 12: Pneumatic connection
Exhaust air concept:
IncompliancewithprotectionclassIP67,anexhaustair
linemustbeinstalledinthedryarea.
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Type 8695 REV.3

18
Electrical installation
9 ELECTRICAL INSTALLATION
9.1 Safety instructions
DANGER!
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installation,ensureacontrolledrestart.
Minimumtemperatureratingofthecabletobeconnectedtothe
eldwiringterminals:75°C
9.2 Electrical installation, without eldbus
communication
→Connectthecontrolheadaccordingtothetable.
6
1
7
54
3
2
8
Fig. 13: Circular plug M12 x 1, 8-pin
Pin Wire color3) Designation Conguration
1white Digitaloutputendposition
withactuatoractivated DO2+
2brown Digitaloutputendposition
withactuatordeactivated DO1+
3green Operatingvoltage GND
4yellow Operatingvoltage+ 24VDC
5grey Digitalinput,valvecontrol+ Valve+
6pink Digitalinput,valvecontrol– Valve–
7- Notassigned
8- Notassigned
Tab. 2: Connection with circular plug-in connector
3) The indicated colors refer to the connecting cable available as an
accessory.
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Type 8695 REV.3

19
Electrical installation
9.3 Electrical installation, IO-Link,
portclassB and portclassA
Port class B Pin Desi-
gnation
Conguration
1 2
34
5
1L+ 24VDC System supply
2 P24 24VDC Actuator supply
3L– 0V(GND) System supply
4C/Q IO-Link
5 M24 0V(GND) Actuator supply
Tab. 3: Pin assignment, port class B
Port class A Pin Desi-
gnation
Conguration
1 2
34
5
1L+ 24VDC System supply
2Notassigned
3L– 0V(GND) System supply
4C/Q IO-Link
5Notassigned
Tab. 4: Pin assignment, port class A
9.4 Electrical installation, büS
1 2
34
5
Fig. 14: Pin assignment
Pin Wire color Conguration
1CANplate/shielding CANplate/shielding
2red +24VDC±25%,
max.residualripple10%
3 black GND/CAN_GND
4white CAN_H
5 blue CAN_L
Tab. 5: Pin assignment
For electrical installation with büS network, note:
Usea5-pinroundplugandshielded5-corecable.
Theshieldinginthedeviceisnotconnectedtothefunc-
tionalearth.
english
Type 8695 REV.3

20
Electrical installation
9.5 Electrical installation, AS-Interface
9.5.1 Connection with with circular plug-in
connector
4
1
3
2
Bus-
NC
NC
Bus+
Fig. 15: Pin assignment
Pin Designation Conguration
1Bus+ AS-Interfacebusline+
2NC Notassigned
3Bus– AS-Interfacebusline–
4NC Notassigned
Tab. 6: Pin assignment of circular plug-in connector for AS-Interface
9.5.2 Connection with multi-pole cable and
ribbon cable terminal
Asanalternativetothebusconnectionmodelwith4-polecircular
plug,thereisthecontrolheadwithmultipolecable(M12circular
plug)andribboncableterminal.Thewiringdiagramofthecircular
plugcorrespondstothebusconnectionoftheM124-polecircular
plugandcaneasilybeconnectedtotheribboncableterminal.
Screws
M12plug-inconnectorbranchcircuit
Fig. 16: Control head 8695 with multi-pole cable and ribbon cable
terminal
Handling the ribbon cable terminal
Themulti-polecablefeaturesaribboncableterminal-withM12
plug-inconnectorbranchcircuit-forASInterfacecableharness.
TheribboncableterminalcontactstheAS-Interfacecable
harnessbymeansofpenetrationtechnologywhichallowsinstal-
lationby“clippingin”theAS-Interfacecableharnesswithout
cuttingandwithoutremovinginsulation.
→Opentheribboncableterminal
(loosenscrewsandremovecover)
→Insertcableharnessconclusively
→Closeribboncableterminalagain
→Tightenscrews
Slightlyundothread-formingscrews
(approx.3/4turntotheleft)andpositionthemontheexisting
tappedboreandscrewin.
english
Type 8695 REV.3