PROTOCOLSPECIFICATION设备对接协议

V2.00-November8,1999HUSKYMACHINEOPERATIONSThismanualdescribestheinterfacebetweenaHuskyInjectionMoldingMachinewiththeHuskyHostInterfaceoptionandtheHostsystem.Anoverviewofthesystemandadetailedcommandsetaregiven.ThismanualisissuedbytheSystemsSoftwareGroup.SPECIFICATIONSUBJECTTOCHANGEHuskyInjectionMoldingSystemsLtd.MachineOperations560QueenStreetSouthBolton,Ontario,CanadaL7E5S5HUSKYHOSTINTERFACEPROTOCOLSPECIFICATIONHuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationPageiiSPECIFICATIONSUBJECTTOCHANGENovember8,1999REVISIONRECORDRevisionDateComments1.0019941212InitialRelease.1.011995411Addedtextdatavariablesupport,reformatted.1.021995515CleanedupperMD,SPCIIandTandemupdates.1.031995728RestoredreferencetoRFC1179forprinting.2.001998417UpdatedforG-Line,addedEventFunction,updatedvariablelist,muchcleanup.2.0119991012AddedStatusFunction.2.0219991108Changereferencesto“Alarm”to“CycleInterruption”HuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationSPECIFICATIONSUBJECTTOCHANGEPageiiiNovember8,1999Contents1.INTRODUCTION12.SYSTEMOVERVIEW23.FUNCTIONS33.1HostDisplayInterface33.2SendingMachineSet-upstoHost33.3ReceivingMachineSet-upsfromHost43.4ReadProcessData53.5Events53.6CycleInterruptions63.7SPC63.8MachineStatus63.9RemotePrinting64.TECHNICALIMPLEMENTATION74.1CommunicationsInterface74.2ApplicationInterface84.2.1Type1-MachineFunctions84.2.1.1Initializetheconnection124.2.1.2Startofjob134.2.1.3Languages144.2.1.4Listprocessvariable164.2.1.5Readingprocessvariables184.2.1.6Endofcycle194.2.1.7Events204.2.1.8CycleInterruptions214.2.1.9SPCparameters234.2.1.10MachineStatus254.2.1.11Up-loadamachineset-up264.2.1.12Error314.2.2Type2-DisplayInterface324.2.2.1Initializetheconnection334.2.2.2Startorrefreshthedisplay344.2.2.3Stopthedisplay354.2.2.4Key-strokemessage364.2.2.5Screendisplaycommand374.2.2.6Menukeycommand384.2.2.7Errors394.2.3Type3-RemotePrinting39APPENDIXA-PROCESSVARIABLES40APPENDIXB-CYCLEINTERRUPTIONS43APPENDIXC-KEY-STROKES44APPENDIXD-DISPLAYCOMMANDS45APPENDIXE-EVENTTEXTFORMATS53HuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationSPECIFICATIONSUBJECTTOCHANGEPage1November8,19991.IntroductionThisdocumentdescribesthefunctionsandinterfaceoftheHuskyHostInterfaceoption.ThisproductisdesignedtoconnectaHuskyMoldingMachinetoahostcomputer,enablingauser-suppliedhostsystemtoobtainprocessvariabledataandmachineevents,receivemachinecycleinterruptions,andSPCinformation(ifequipped),sendandreceivesetupfiles,querymachinestatus,andcommunicatewithshopflooroperatorsviaadedicatedHostTerminalscreenontheHuskyOperatorInterface.Note:TheHuskyHostInterfaceoptiononlysuppliesthesoftwareandhardwareimplementingtheprotocolontheHuskyMoldingMachine.Thehostsystemmustbesuppliedbythecustomerandisnotprovidedwiththisoption.Thedocumentbeginswithanoverviewofatypicalsystem.Thisisfollowedbyadescriptionofuserfunctions,includinghowtheuserviewsthesystem,andthenbyatechnicaldescriptionoftheinterface.Thisinterfaceisdividedintothreelogicalsections,whereeachsectionprovidesadistinctfunction.Themessagesdescribedineachofthesesectionsflowthroughseparatevirtualcommunicationsportsofthenetworkinterface.HuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationPage2SPECIFICATIONSUBJECTTOCHANGENovember8,19992.SystemOverviewThedatacommunicationsmessagesbetweenthehostsystemandtheHuskyOperatorInterface(OI)aresentviaanEthernetconnectionusingTCP/IPsocketstreams.(seeFigure1).Processdata,events,cycleinterruptions,SPCinformation,machineset-upinformation,machinestatus,andterminalcommandsaretransmittedbetweenthehostandthemoldingmachines.ThehostcommunicationsoptionalsoaddsremoteprintingcapabilitiestotheHuskyOI,allowingamachineoperatortouseaprintersupportedbytheprinthost.ThehostsystemandtheprinthostshownbelowinFigure1aredepictedasseparatenodesonthenetwork,buttheymaybeconfiguredonasinglenode.TheinterfaceallowsanyhostsystemtocommunicatewithanynumberofHuskymachinesandanyOItousetheprintingfacilitiesprovidedbyanyprinthost.Figure1-SystemOverviewHuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationSPECIFICATIONSUBJECTTOCHANGEPage3November8,19993.Functions3.1HostDisplayInterfaceTheHostsystemcontrolswhatappearsontheallocatedareaoftheOIscreenandmenulabels.TheoperatorexitstheHostTerminalscreenbypressingoneofthededicatedscreenkeysfromthelowerrowofthe“ScreenSelectionKeypad”.Thedisplaysupportstextandgraphics,withtextpresentedoncharactercellboundaries.Thereare25linesofcharactercellsby78columns,borderedbyathinoutline.Eachcellis8pixelswideand16pixelshigh.Thetotalgraphicsareais425pixelshighand636pixelswide.Eachofthetenmenulabelsonthescreenaremadeoftwolinesofeightcharacterseach.Thedisplaycanbeeithercolourormonochrome.Commandsareprovidedtoallowthehostsystemtosetthecolourscheme.TheHuskyOItransmitsallkey-strokestothehostwiththeexpectionofthebottomrowofscreenselectionkeys,andtheprintscreenkey.Figure2-OIScreenAreaforHostTerminal3.2SendingMachineSet-upstoHostHuskyMachineOperationsHuskyHostInterfaceProtocolSpecificationPage4SPECIFICATIONSUBJECTTOCHANGENovember8,1999Machineset-upscontainasetofo