(1)FNL FieldbusNetworkLink:Ethernet/PROFIBUSGateway PROFIBUSDP/DPV1MasterEthernet/MODBUSTCP FNL foranoptimumconnectionoffieldbusandEthernetnetworksupto100Mbit/s.FNLallowstheconnectiontoallPROFIBUSDPnetworksbasedonRS485(upto12Mbit/s)andsupportsDPMasterclass1and2onthebasisofDPandDPV1servicesaswellasDPSlave. TheaccesstoFNLiscarriedoutthroughaTCP/IPsocketinterface.Theinterfaceisoperatingsystemindependent,completelyunfoldedandbecauseofitsquicknessconvincing. TheEthernetbasedoperationmodeasMODBUSTCP/IPSlaveprovideseasyintegrationofFNLasPROFIBUSDPMasterintoalargenumberofvisualisationandcontrolsystems.ThePROFIBUSDPbaseddiagnosticsandIOdataaredynamicallycompiledintotheMODBUSTCP/IPstructureanddonothavetobeconfiguredadditionally. Variousaccessoptionsareofferedonthenetworkside: COMSOFTNetworkConfigurator(CNC) CNCisafullgraphicaltoolfortheintegrationofFNLinyournetwork.CNCscansthenetworkforavailableFNLGatewaysandallowsthecalibrationofalldevice-specificnetworkparametersincludingtheTCP/IPaddress. COMSOFTconfigurationtoolCONFIGURATORII CONFIGURATORIIisapowerfulPROFIBUSconfigurationtool.ItdoesnotchargetheuserwithdifficultPROFIBUSdetailsandsupportsafullgraphicalGSDfilebasedDPSlaveconfigurationaswellasthecomfortablecompilationofOPCTags.Powerfulandextensivedownload,analysisandcontrolfunctionspermitanefficientstart-upandcheck-upoftheconfiguredPROFIBUSDPnetwork.ThecompiledPROFIBUSconfigurationisstoredinXMLformatwhichallowsaneasyintegrationintothirdpartytools. COMSOFTOPCServer TheOPCServerdirectlyconnectsFNLtoallOPC-client-capableWindowsapplications.OPCissupportedbyallcommonSCADA,control,visualization,andprocesscontrolsystems.SomeexamplesareWINCC-Siemens,FIX-Intellution,LabVIEW/BridgeVIEW-NationalInstrumentsorIntouch-Wonderware.StandardWindowsapplicationslikeVisualBasicorExcelcaneasilybeintegratedviathe automationinterface . ProgrammingInterface TheFNLTCP/IPsocketinterfaceprovidestheexchangeoftheDPSlaves'processanddiagnosticsdataaswellasallDP/DPV1Masterclass1/2andDPSlaveservices.SoFNLcanbeeasilyintegratedinanyoperationsystems. ComparedtotraditionalsolutionsbasedonPCinterfaces,FNLofferstotallynewaspectsinthePCconnectiontofieldbuses: Nomorehardware/driverinstallationwithitstypicalrelatedproblems. AccesstotherespectivefieldbusfromanyarbitraryPCnetwork. Trouble-freeintegrationoflowerautomationlevelsintothecontrolanddesignlevel. Up-to-datetechnologies,likeInternet,e-mail,etc.canbeusedintheprocesscontrollevel.