Safety Instructions1Safety InstructionsPrior to performing any work on the unit the user must familiarize himself with the unit.This includes especiallythe knowledge and observance of the safety and warning directions.The pictographs used in this instructionmanual have following meaning:DangerRefers to danger of life by electric current.WarningRefers to possible danger of injury or life.NoteRefers to tips and additional information1.1ValidityThe information contained in the technical documentation,as well as any user-specific advice in spoken andwritten and through tests,are made to best of our knowledge and information about the application.However,they are considered for information only without responsibility.This also applies to any violation of industrialproperty rights of a third-party.Inspection of our units in view of their suitability for the intended use must be done generally by the user.Inspections are particularly necessary,if changes are executed,which serve for the further development oradaption of our products to the applications (hardware,software or download lists).Inspections must be re-peated pletely,even if only parts of hardware,software or download lists are modified.Controlling byApplication and use of our units in the target products is outside of our control andthe usertherefore lies exclusively in the area of responsibility of the user.The used semiconductors and ponents of KEB are developed and dimensi-oned for the use in industrial products.If the KEB COMBIVERT is used in ma个Use under spe-cial conditionschines,which work under exceptional conditions or if essential functions,life-sup-porting measures or an extraordinary safety step must be fulfilled,the necessaryreliability and security must be ensured by the machine builder.1.2QualificationAll operations serving transport,installation and missioning as well as maintenance are to be carriedout by skilled technical personnel (observe IEC 364 or CENELEC HD 384 or DIN VDE 0100 and nationalaccident prevention rules!).According to this manual qualified staff means those who are able to recogniseand judge the possible dangers based on their technical training and experience and those with knowledgeof the relevant standards and who are familiar with the field of power transmission (VDE 0100,VDE 0160(EN50178),VDE 0113(EN 60204)as well as the appropriate regulations for your area.KEB electronics ponents contain dangerous voltages which can cause deathor serious injury.In operation,drive converters,depending on their degree ofDanger by highprotection,may have live,uninsulated,and possibly also moving and hot surfaces.voltageIn case of inadmissible removal of the required covers,of improper use,wronginstallation or maloperation,there is the danger of serious personal injury anddamage to property.GB-4Safety InstructionsKEBProduct DescriptionFigure 2:Incremental encoder HTL without inverted signals on channel 1For housing size D and EX3BChannel 2X3AChannel 1X3BX3AChannel 2Channel 1see material numberwithout inverse signals2.1GeneralEach of the interface cards delivered by KEB include two interfaces.As there are numerousdifferent binations available each interface will be described by means of separateinstructions.The instruction covers the installation of the interface card,the connection aswell as the start-up of a suitable encoder.Further information and the parameter adjust-ments are described in the application manual for the inverter/servo.2.2Material numberTerm of deli-very0installedOption,spare partInterfaceSTTL-output4029 TTTL-input4028F5Seriesapplicable for housing size1M D,E (circuit board 1MF5280-xxxx see above)2.3Scope of delivery (option or replacement delivery)·Encoder interfacetwo instruction manuals·fixing bolt·packing materialGB-5Safety Instructions2.4Mechanical installationAll kind of works on the inverter may be carried out by authorized personnel in accordancewith the EMC and safety rules only.Switch inverter de-energized and await capacitor discharge time·Pull off operator·Remove plastic cover·Remove fixing boltFix interface board beginning from the socket connector straightly·Screw in fixing bolt·Attach plastic cover3.Description of the Interface3.1Setting the voltage supplyFigure 3.1.a:Setting the encoder voltage by the DIL switch S124Vdc15Vdc78GB-6Safety InstructionsKEBFigure 3.1.b Voltage supply of encoder interfacesUint24VDCInternal voltage supply of theCOMBIVERT (Imax 120 mA).X2ACurrent l reduces itself by draw current atthe 5V-output,as well as at the 15V-output inUextaccordance with the following formula:lint15VX3A15/24VControl terminal strip (X2A)of theX3BUext24V24...30 Vdc.max.1A5V5V15/24VVoltage output of encoder interfaces X3A forencoder supply.Voltage output for encoder supply (Imax5V300mA).5V are obtained from the 24V vol-Uinttage.24VVoltage supply of encoder interfaces X3B forencoder supply.3.2Description of channel 13.2.1Interface typeIncremental Encoder InputInput signalsHTL 15...30V without inverse signalsA+,B+,N+OutputVoltage output 15/24V for encoder supplyParticularitiesEncoder breakage recognition for all signalsLimiting frequency100kHzIncrements per revolution1...16383inc (remendation 2500inc for speed upto2400rpmInput resistance50m,the value is additionally limited by the signal fre-Max.line lengthquency,cable capacity and supply voltage (see chap-ter,encoder line length").GB-7Safety Instructions3.2.2Description of X3AVersionplug in terminal blockTerminals8Tightening torque0.22..0.25Nmpermissible cable cross-section0.14..1.5mm2Stripping length7mmTerminal assign-The pin assignment has changed in relation to the previ-ment changedous version.3.2.3Assignment of X3AFigure 3.2.3 Description of terminal strip X3A12345678PINNameDescription1A+Encoder track A HTL signal+2n.c.3B+Encoder track B HTL signal+4n.c.N+Zero track HTL signal+n.c.15/24Vswitchable voltage supply for encoder8COMReference potential for signals and voltage supply3.2.4Input signals3.2.4.1Signal tracks A and BIn case of HTL-encoder interface the signals A+and B+are rectangular signals with aphase-angle displacement by 90 degrees.The inverted signals will be generated internallyand does not need to be provided by the encoder.Signal tracks A+and B++A-15..30VCOMOV+B15..30VCOM-tGB-8Safety InstructionsKEB3.2.4.2 Evaluation of the Zero SignalThe zero impulse is required to determine valid position points.In case of pure speed con-trols the signal does not need to be connected.In the following signal sequence the maxi-mum permissible length of the zero impulse of the encoder is visible.The zero signal willbe acquired if A+,B+and N+are at high level.By that there is only one valid position pointwhich is independent from the travel direction.Evaluation of the Zero Signal+A+B+NmaxN3.2.5Encoder breakage recognitionFor a monitoring of the encoder and the encoder cable the signal tracks and the zero trackare monitored.Input N+must be connected with input 15/24V if the connected encodershould not have a zero track.The monitoring for channel 1 will be switched on/off with pa-rameter Ec.42 (in the past Ec.20).The recognition of encoder breakage triggers an ,error"!encoder 1"(value 32),if the voltage at the signal input is smaller than 6V.Parameterr/wEnterprog.Ec.42 Encoder alarm modeyesnonoDependent on Ec.42Error!Encoder 1"(value 32)or a warning is triggered,if the permis-sible signal levels are fallen below.Setting rangeSettingMeaning0Encoder monitoring off1Encoder monitoring on12Encoder monitoring on (open-loop off)3WarningGB-9Safety Instructions3.2.6Connection of the encoder3.2.6.1 Encoder cable at terminal strip X3AEncoder cable double-shielded and twisted in pairsConnect exterior shielding at both ends to PE/GNDConnect interior shieldings at one side to COMDo not connect exterior and interior shieldingN+is only required for posi functionFigure 3.2.6.1Connection of the encoderMotor encoder plugSocket X3A유12345678NamePINPINNameCore colorA+51A+greenCOM10COMyellowB+8B+blueCOM108COMredN+35N+grayCOM108COMpinkUin12715/24VbrownCOM108COMwhiteHousingPE invertershielding3.2.7Encoder cableKEB encoder cables are corresponding to the following specification:Signal linesSupply lines2x0,5mm2Particularitiestrailing capable,oil-resistantTemperature rangeconstant up to80°CColorgreen RAL 60183.2.8Encoder line lengthThe maximum line length of the encoder cable is 50 m.It results from the voltage drop of thesupply line.The value is calculated as follows:U-UminEncoder cable lengthlmax·2·Rmax.encoder current Imax:see encoder descriptionSupply voltage U:15V or 24Vminimum input voltage Umin:see encoder descriptionKEB encoder cable resistance R:0,036 Q/m at 0,5mm2GB-10Safety InstructionsKEB3.2.9Tested encodersThe following encoder can be used dependent on the interface and the control:Manufacturer TypeEncoder typeHeidenhain·RoD436HTL-Incremental EncoderHowever,this does not restrict the use of rotary encoder with same specifications of othermanufacturers.3.3Description of channel 2The description of input X3B is depending on the used encoder interface.It is described ina separate manual.4.Start-upAfter the installation or exchange of an encoder interface some adjustments of the inverter/servo software have to be done before operation:Switch on inverterSelect application modeSelect parameter Ec.00 and control whether value27"is entered.The displayed va-lue has to be confirmed by ,ENTER"in any case.Select Ec.01 and adjust increments per revolution.Select Ec.42(Ec.20 upto V2.8)and adjust the encoder breakage recognition depen-dent on the case of operation.5.Error MessagesError messages and their meaning are described in the application manual.Error,E.hYb can be reset by a Power-On-Reset.Error,E.EncC"can by writingon parameter Ec.00 and additional also be reset by a Hardware-Reset or Bus-Reset(control word)since software version 4.1.GB-11KEBKEB Automation 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