Burkert 8681 User manual

Operating Instructions
Type 8681
Control Head
Designs: 24 V DC, 120 V AC, AS-i,
DeviceNet, IO-Link, büS/CANopen

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous resérve de modication techniques.
© Bürkert Werke GmbH, 2010 - 2020
Operating Instructions 2004/07_EN_00806150 / Original DE

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Control Head Type 8681
Contents
1 OPERATING INSTRUCTIONS ..............................................................................................................10
1.1 Symbols......................................................................................................................................10
1.2 Denitionofterms:“device”and“büS”....................................................................................10
2 AUTHORISED USE ...............................................................................................................................11
3 BASIC SAFETY INSTRUCTIONS .........................................................................................................12
4 GENERAL INFORMATION....................................................................................................................14
4.1 Contactaddress.........................................................................................................................14
4.2 Warranty .....................................................................................................................................14
4.3 Informationandinstructionson the Internet ............................................................................14
5 SYSTEM DESCRIPTION.......................................................................................................................15
5.1 Intendedapplicationarea..........................................................................................................15
5.2 Generaldescription....................................................................................................................15
5.3 Functions/options/variants....................................................................................................16
5.3.1 Structure of the control head..........................................................................................16
5.3.2 Fluid diagrams Type 8681 – examples............................................................................17
5.3.3 Number of solenoid valves .............................................................................................18
5.3.4 Pneumatic interfaces ......................................................................................................19
5.3.5 Magnetic and mechanical manual override....................................................................19
5.3.6 Position measuring system.............................................................................................19
5.3.7 Other features.................................................................................................................20
6 TECHNICAL DATA ................................................................................................................................21
6.1 Operatingconditions .................................................................................................................21
6.2 Conformity/standards..............................................................................................................21
6.3 Type label ..................................................................................................................................22
6.4 Additionalwarningsigns ...........................................................................................................23
6.5 Mechanicaldata.........................................................................................................................24
6.6 Pneumaticdata.......................................................................................................................... 26
6.7 Positionmeasuringsystemdata ...............................................................................................27
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6.8 Factorysettingsinthermware................................................................................................28
6.8.1 Feedbackelds(positionmeasuringsystem).................................................................28
6.8.2 Service/maintenancenotication(maintenancerequest).............................................29
6.8.3 Manualoverridefunction(magnetic) ..............................................................................29
6.9 Resettingthedevice(DeviceReset) .........................................................................................30
7 ASSEMBLY ...........................................................................................................................................31
7.1 Safetyinstructions .....................................................................................................................31
7.2 Assemblyofthecontrolhead....................................................................................................31
7.2.1 Hubange/Adapter ......................................................................................................32
7.2.2 Assemblysequenceontheexampleofadouble-seatedvalve .....................................33
7.2.3 Realignment of the control head ....................................................................................33
7.2.4 Assembly of the pneumatic and electrical connections .................................................33
7.2.5 Recommended auxiliary materials..................................................................................34
8 OPENING AND CLOSING THE HOUSING ...........................................................................................35
8.1 Safetyinstructions .....................................................................................................................35
8.2 Openingandclosingthehousing .............................................................................................35
8.2.1 Opening the housing ......................................................................................................35
8.2.2 Closing the housing........................................................................................................36
9 PNEUMATIC INSTALLATION................................................................................................................37
9.1 Safetyinstructions .....................................................................................................................37
9.2 Pneumaticconnectionofthecontrolhead ..............................................................................37
9.3 Flowrestrictionfunctionofthesolenoidvalves.......................................................................38
10 24VDC-DESIGN................................................................................................................................ 40
10.1 Electricalconnectionoptions...................................................................................................40
10.2 Electricaldata ............................................................................................................................40
10.3 Designaid...................................................................................................................................42
10.4 Safetyinstructions .....................................................................................................................43
10.5 Electricalinstallation/start-up .................................................................................................43
10.5.1 Cable gland with screw terminals...................................................................................43
10.5.2 Multi-pole connection.....................................................................................................46
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11 120VAC-DESIGN .............................................................................................................................47
11.1 Electricalconnectionoptions...................................................................................................47
11.2 Electricaldata ............................................................................................................................47
11.3 Designaid...................................................................................................................................48
11.4 Safetyinstructions .....................................................................................................................49
11.5 Electricalinstallation/start-up .................................................................................................50
12 ASINTERFACE-DESIGN....................................................................................................................53
12.1 Denition ....................................................................................................................................53
12.2 ElectricalconnectionoptionsforASinterface........................................................................54
12.3 Numberofconnectablecontrolheads .....................................................................................54
12.4 Maximumlengthofthebusline ................................................................................................54
12.5 Electricaldata ............................................................................................................................55
12.6 Designaid...................................................................................................................................57
12.7 Safetyinstructions .....................................................................................................................58
12.8 ElectricalinstallationoftheASinterface..................................................................................59
12.9 Programmingdata .....................................................................................................................61
13 DEVICENET-DESIGN .........................................................................................................................62
13.1 Denition ....................................................................................................................................62
13.2 Electricalconnectionoption.....................................................................................................62
13.3 DeviceNetspecication.............................................................................................................62
13.3.1 TotallinelengthandmaximumlinelengthaccordingtoDeviceNetspecication .........63
13.3.2 Drop line length...............................................................................................................63
13.4 Electricaldata ............................................................................................................................64
13.5 Safetypositionifthebusfails ...................................................................................................64
13.6 Designaid...................................................................................................................................65
13.7 Safetyinstructions .....................................................................................................................66
13.8 Electricalinstallation-DeviceNet .............................................................................................66
13.9 NetworktopologyofaDeviceNetsystem ................................................................................68
13.10ConguringtheDeviceNetaddress/baudrate.......................................................................68
13.10.1Settings of the DeviceNet address .................................................................................69
13.10.2Setting the baud rate ......................................................................................................70
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13.11Congurationoftheprocessdata ............................................................................................70
13.11.1Static input assemblies...................................................................................................70
13.11.2Static output assembly...................................................................................................71
13.12Congurationofthedevice .......................................................................................................71
13.12.1Congurationofthesafetypositionofsolenoidvalvesduringabuserror ....................71
13.12.2Congurationexample...................................................................................................72
13.13DisplayofthestatusLEDsintheeventofabuserror.............................................................73
13.13.1Status of the device status LED "Modules" ...................................................................73
13.13.2Status of bus status LED "Network" ..............................................................................74
14 IO-LINK-DESIGN ................................................................................................................................75
14.1 Networkprinciple/interfaces ...................................................................................................75
14.2 QuickstartforType8681IO-Link...............................................................................................76
14.3 Technicaldata/specication....................................................................................................76
14.4 IO-Linkmaster/communication/conguration...................................................................... 77
14.5 Electricaldataformthecontrolhead(IO-Link).........................................................................77
14.5.1 Electrical connection options / interface ........................................................................77
14.5.2 Electrical data of the control head..................................................................................78
14.5.3 Design aid.......................................................................................................................80
14.5.4 Electrical installation – IO-Link .......................................................................................82
14.5.5 Pinassignment(portclassAorB)..................................................................................83
14.6 Software/rmwareupdates .....................................................................................................84
14.6.1 Software..........................................................................................................................84
14.6.2 Firmware updates ...........................................................................................................84
14.7 Safetypositionifthebusfails ...................................................................................................84
15 BÜS/CANOPEN-DESIGN ....................................................................................................................85
15.1 Denition ..................................................................................................................................85
15.2 Networkprinciple/Interfaces ...................................................................................................85
15.3 QuickstartforType8681büS/CANopen...................................................................................87
15.4 büS/CANopenspecication ......................................................................................................88
15.4.1 General data ...................................................................................................................88
15.4.2 Total line length and drop line lengths of the bus cables ...............................................88
15.5 Electricalconnectionoptions.................................................................................................... 89
15.6 Electricaldataofthecontrolhead............................................................................................89
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15.7 Safetypositionifthebusfails ...................................................................................................90
15.8 Designaid...................................................................................................................................91
15.9 Installation–Safetyinstructions ...............................................................................................92
15.10Gateway.....................................................................................................................................92
15.11Gatewayinstallation...................................................................................................................92
15.12Electricalinstallation-büS/CANopen......................................................................................93
15.12.1Electronic module büS/CANopen: .................................................................................94
15.12.2Terminalstripconguration: ...........................................................................................94
15.12.3Details on the DIP switches for colour coding:...............................................................94
15.13NetworktopologyofabüS/CANopen system ..........................................................................95
15.14ConguringtheNodeID/baudrate......................................................................................... 95
15.14.1Setting the baud rate ......................................................................................................96
15.14.2SettingthebüS/CANopenaddress(NodeID) ................................................................97
15.14.3Factorysettingsofthecontrolheadregardingthegatewayconguration ....................99
15.14.4Centralcongurationmanagement(Congurationclient) ............................................100
15.15ChangingthegatewayIPaddress .........................................................................................100
15.15.1Changing the gateway IP address using web server ...................................................100
15.15.2ChangingthegatewayIPaddressusing“BürkertCommunicator” .............................102
15.15.3Changing the gateway IP address via Logix Designer .................................................103
15.15.4Changing the gateway IP address using RS Linx.........................................................106
15.16RegistrationofagatewayviaLogixDesigner ........................................................................107
15.17InstallationofagatewayviaLogixDesigner ..........................................................................108
15.18Congurationofthecontrolheadnetwork.............................................................................110
15.18.1“Hidefunction”viasoftware“LogixDesigner”............................................................110
15.18.2“Hidefunction”via“BürkertCommunicator” ..............................................................111
15.19Descriptionofthe(cyclical)I/Odata.......................................................................................113
15.20Accesstoparameters(Read/Write) ......................................................................................114
15.20.1Parameter – reading via Logix Designer .......................................................................114
15.20.2Parameters – writing via Logix Designer.......................................................................116
15.20.3AccesstoparametersviaBürkertCommunicator........................................................116
15.20.4Accesstofurtherparameters(cyclicandacyclic) ........................................................117
15.21DisplayofthestatusLEDsforbuserror.................................................................................118
15.22Firmwareupdates ....................................................................................................................119
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16 ACCESSORIESFORBÜSDEVICES..................................................................................................120
17 CABLINGEXAMPLES(BÜS/CANOPEN) ..........................................................................................122
18 CONNECTION OF AN EXTERNAL INITIATOR ...................................................................................125
19 SPECIAL DESIGNS ............................................................................................................................127
19.1 Controlheadfordouble-actingactuators ..............................................................................127
19.1.1 Anomalies .....................................................................................................................127
19.1.2 Fluid diagram ...............................................................................................................127
19.1.3 Activation of a double-acting actuator .........................................................................127
19.2 Controlhead(AS-i)with2externalinitiators ..........................................................................128
19.2.1 Anomalies .....................................................................................................................128
19.2.2 Electrical installation and programming data ...............................................................128
20 POSITION MEASURING SYSTEM .....................................................................................................129
20.1 Settingthepositionmeasuringsystem(Teachprocedure)....................................................130
20.2 Teachbuttons/Teachfunctions ............................................................................................131
20.2.1 Teach functions and Teach reset ..................................................................................131
20.2.2 AutomaticTeachfunctions(Autotune)..........................................................................132
20.2.3 SequenceoftheautomticTeachfunctions(Autotune).................................................133
21 LED COLOUR ASSIGNMENTS ..........................................................................................................136
21.1 Displaymodi–overview..........................................................................................................136
21.1.1 DevicespecicLEDmode“8681ClassicMode”.........................................................138
21.1.2 NAMUR mode...............................................................................................................139
21.1.3 Valve mode ...................................................................................................................140
21.1.4 Valve mode + Errors .....................................................................................................141
21.1.5 Valve mode + Errors + Warnings ..................................................................................142
21.1.6 Displaymode“Fixedcolour”........................................................................................143
21.2 Flashingpattern&faultsignalling...........................................................................................143
21.2.1 Position feedback in normal operation .........................................................................143
21.2.2 Feedback in case of errors / warnings..........................................................................144
21.2.3 Localisation function.....................................................................................................147
21.3 Signalpriorities ........................................................................................................................148
21.3.1 When several statuses overlap for one valve ..............................................................148
21.3.2 When position feedback overlaps ...............................................................................148
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22 SERVICEMODE/MANUALOVERRIDE...........................................................................................151
22.1 Magneticmanualoverride.......................................................................................................151
22.2 Mechanicalmanualoverride ...................................................................................................152
23 MAINTENANCE, TROUBLESHOOTING.............................................................................................153
23.1 Safetyinstructions ...................................................................................................................153
23.2 Safetypositions .......................................................................................................................154
23.3 Maintenance/service..............................................................................................................155
23.4 Cleaning....................................................................................................................................155
23.5 Malfunctions.............................................................................................................................155
24 REPLACEMENT OF COMPONENTS AND MODULES......................................................................157
24.1 Safetyinstructions ...................................................................................................................157
24.2 Changingtheelectronicmodule .............................................................................................158
24.3 Changingthevalves ................................................................................................................159
24.4 Changingthepositionmeasuringsystem ..............................................................................160
25 SHUTDOWN .......................................................................................................................................163
25.1 Safetyinstructions ...................................................................................................................163
25.2 DismantlingthecontrolheadType8681 ................................................................................163
26 PACKAGINGANDTRANSPORT........................................................................................................164
27 STORAGE ...........................................................................................................................................164
28 DISPOSAL ..........................................................................................................................................164
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Operating Instructions
1 OPERATING INSTRUCTIONS
The operating instructions describe the entire life cycle of the device. Keep these instructions in a location which
is easily accessible to every user, and make these instructions available to every new owner of the device.
WARNING!
The operating instructions contain 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 in serious injuries or death.
CAUTION!
Warns of a possible danger!
`Failure to observe this warning may result in a moderate or minor injury.
NOTE!
Warns of damage to property!
`Failuretoobservethewarningmayresultindamagetothedeviceortheequipment.
Indicates important additional information, tips and recommendations.
`Designates an instruction for risk prevention.
→Designates a procedure which you must carry out.
1.2 Denition of terms: “device” and “büS”
Theterm“device”usedinthismanualgenerallydenotestheControlheadType8681in its several designs
and variants.
Theterm“büS”(Bürkertsystembus)usedinthismanualstandsforthecommunicationbusdevelopedby
Bürkert,basedontheCANopenprotocol.
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Control Head Type 8681