AtlasCopcoAirpowerNVELEKTRONIKONMkIVUserGuide:ElektronikonMkIVModbusNameUserGuide:ElektronikonMkIVModbusSecr.Class1102K/1DetailPCOwnerAIIEdition06Modifiedfrom:printdate16/09/05FamilyWrittenByCTECompareReplacesDesignationDesignCheckedProductCheckedApprovedDate19/07/20029820358202UserGuide:ElektronikonMkIVModbusiiDocumentInformationEditionDateDescriptionAuthor0001/08/2002FirsteditionCTE0114/01/2003SecondeditionCTE-PDJAddedexceptioncodeCommandRefused(07)..AddedexceptioncodeReprogrammedRefused(06)0220/06/2003ThirdEditionCTE-PDJAddedTurboandPETAddedAnalogueOutputsforTurbo0308/07/2004ModbusaddressforIGVandBOVwaswrong406iso405CTE-PDJ0428/09/2004ES800dataadded+ESMillenniumCTE-PDJ0506/07/2005ChangeAV4000toZHCTE-PDJ0629/08/2005SpecialalarmsCTE-PDJUserGuide:ElektronikonMkIVModbusiiiPrefaceThisdocumentdescribeshowtoimplementaModbusconnectiontotheElektronikonMkIVcompressorcontrollernetwork.UserGuide:ElektronikonMkIVModbusivTableofContents1.ThePhysicalset-up_________________________________________________________61.1Modbus&theNetwork__________________________________________________________61.2TheModule(Combox-S)_________________________________________________________71.3LED’s_________________________________________________________________________91.4Connectorlay-out______________________________________________________________101.4.1PowerSupply_____________________________________________________________________101.4.2LANconnector____________________________________________________________________101.4.3Modbusconnection_________________________________________________________________10PinAssignmentModbus_________________________________________________________________101.5RS485connections_____________________________________________________________111.5.1ModbuswithMKIV_______________________________________________________________111.5.2ModbuswithMKIVandMKIII______________________________________________________121.5.3ModbuswithMKIVandOtherEquipment______________________________________________131.6Softwaredownloading__________________________________________________________142.Modbusprotocolimplementation_____________________________________________152.1Supportedmodbusspecification_________________________________________________152.2SupportedModbusfunctions____________________________________________________152.3ModbusregistersandcoilsforDataReading_______________________________________162.3.1SystemOverview__________________________________________________________________162.3.1.1GeneralCompressorCondition_____________________________________________________162.3.1.2DetailedGeneralCompressorCondition______________________________________________172.3.1.2.1C.C.M._____________________________________________________________________182.3.1.2.2StatusforFixedSpeed,AQFixedSpeed,ES002___________________________________192.3.1.2.3StatusforMCC______________________________________________________________192.3.1.2.4StatusforVSD,AQVSD,PETVSDBooster,ZBVSD_____________________________202.3.1.2.5StatusforZHTurbo___________________________________________________________202.3.1.2.6StatusforSF(Multi)__________________________________________________________202.3.1.2.7StatusforPETFixedSpeed_____________________________________________________212.3.1.2.8StatusforBDDryer(Standalone)________________________________________________222.3.1.2.9StatusforCDDryer(Standalone)_______________________________________________232.3.1.2.10StatusforFD-FixedSpeed&FD-VSDDryer(Standalone)___________________________232.3.1.2.11StatusforMD-FixedSpeedDryer(Standalone)____________________________________232.3.2Inputs&Outputs__________________________________________________________________242.3.2.1AnalogueInputs–Sensors&Calculated______________________________________________242.3.2.2Registers_______________________________________________________________________242.3.2.3“Status”registerInterpretation______________________________________________________252.3.2.4“Value”registerInterpretation______________________________________________________252.3.2.4.1PressureInput_______________________________________________________________252.3.2.4.2TemperatureInput____________________________________________________________252.3.2.4.3VibrationInput_______________________________________________________________252.3.2.4.4LevelInput__________________________________________________________________252.3.2.4.5ConductivityInput____________________________________________________________252.3.2.4.6SPMInput__________________________________________________________________252.3.2.4.7CurrentInput________________________________________________________________262.3.2.4.8SpeedInput_________________________________________________________________262.3.2.5SpecialAlarms__________________________________________________________________272.3.2.6Digital(Voltagefreecontacts)Inputs_________________________________________________282.3.2.7“Status”registerInterpretation______________