PROTOCOLSPECIFICATION设备对接协议doc 62页.docx

PROTOCOLSPECIFICATION设备对接协议doc 62页.docx

《PROTOCOLSPECIFICATION设备对接协议doc 62页.docx》由会员分享，可在线阅读，更多相关《PROTOCOLSPECIFICATION设备对接协议doc 62页.docx（54页珍藏版）》请在冰豆网上搜索。

PROTOCOLSPECIFICATION设备对接协议doc62页

HUSKYMACHINEOPERATIONS

HUSKYHOSTINTERFACEPROTOCOLSPECIFICATION

ThismanualdescribestheinterfacebetweenaHuskyInjectionMoldingMachinewiththeHuskyHostInterfaceoptionandtheHostsystem.Anoverviewofthesystemandadetailedcommandsetaregiven.ThismanualisissuedbytheSystemsSoftwareGroup.

SPECIFICATIONSUBJECTTOCHANGE

HuskyInjectionMoldingSystemsLtd.

MachineOperations

560QueenStreetSouth

Bolton,Ontario,CanadaL7E5S5

REVISIONRECORD

Revision

Date

Comments

1.00

19941212

InitialRelease.

1.01

1995411

Addedtextdatavariablesupport,reformatted.

1.02

1995515

CleanedupperMD,SPCIIandTandemupdates.

1.03

1995728

RestoredreferencetoRFC1179forprinting.

2.00

1998417

UpdatedforG-Line,addedEventFunction,updatedvariablelist,muchcleanup.

2.01

19991012

AddedStatusFunction.

2.02

19991108

Changereferencesto“Alarm”to“CycleInterruption”

Contents

1.Introduction

ThisdocumentdescribesthefunctionsandinterfaceoftheHuskyHostInterfaceoption.ThisproductisdesignedtoconnectaHuskyMoldingMachinetoahostcomputer,enablingauser-suppliedhostsystemtoobtainprocessvariabledataandmachineevents,receivemachinecycleinterruptions,andSPCinformation（ifequipped）,sendandreceivesetupfiles,querymachinestatus,andcommunicatewithshopflooroperatorsviaadedicatedHostTerminalscreenontheHuskyOperatorInterface.

Note:

TheHuskyHostInterfaceoptiononlysuppliesthesoftwareandhardwareimplementingtheprotocolontheHuskyMoldingMachine.Thehostsystemmustbesuppliedbythecustomerandisnotprovidedwiththisoption.

Thedocumentbeginswithanoverviewofatypicalsystem.Thisisfollowedbyadescriptionofuserfunctions,includinghowtheuserviewsthesystem,andthenbyatechnicaldescriptionoftheinterface.Thisinterfaceisdividedintothreelogicalsections,whereeachsectionprovidesadistinctfunction.Themessagesdescribedineachofthesesectionsflowthroughseparatevirtualcommunicationsportsofthenetworkinterface.

2.SystemOverview

ThedatacommunicationsmessagesbetweenthehostsystemandtheHuskyOperatorInterface（OI）aresentviaanEthernetconnectionusingTCP/IPsocketstreams.（seeFigure1）.

Processdata,events,cycleinterruptions,SPCinformation,machineset-upinformation,machinestatus,andterminalcommandsaretransmittedbetweenthehostandthemoldingmachines.ThehostcommunicationsoptionalsoaddsremoteprintingcapabilitiestotheHuskyOI,allowingamachineoperatortouseaprintersupportedbytheprinthost.

ThehostsystemandtheprinthostshownbelowinFigure1aredepictedasseparatenodesonthenetwork,buttheymaybeconfiguredonasinglenode.TheinterfaceallowsanyhostsystemtocommunicatewithanynumberofHuskymachinesandanyOItousetheprintingfacilitiesprovidedbyanyprinthost.

Figure1-SystemOverview

3.Functions

3.1HostDisplayInterface

TheHostsystemcontrolswhatappearsontheallocatedareaoftheOIscreenandmenulabels.TheoperatorexitstheHostTerminalscreenbypressingoneofthededicatedscreenkeysfromthelowerrowofthe“ScreenSelectionKeypad”.

Thedisplaysupportstextandgraphics,withtextpresentedoncharactercellboundaries.Thereare25linesofcharactercellsby78columns,borderedbyathinoutline.Eachcellis8pixelswideand16pixelshigh.Thetotalgraphicsareais425pixelshighand636pixelswide.Eachofthetenmenulabelsonthescreenaremadeoftwolinesofeightcharacterseach.

Thedisplaycanbeeithercolourormonochrome.Commandsareprovidedtoallowthehostsystemtosetthecolourscheme.

TheHuskyOItransmitsallkey-strokestothehostwiththeexpectionofthebottomrowofscreenselectionkeys,andtheprintscreenkey.

Figure2-OIScreenAreaforHostTerminal

3.2SendingMachineSet-upstoHost

Machineset-upscontainasetofoperatingparametersforaspecificjoborproduct.Set-upfunctionsrequiretheHusky“operator”securitylevel.

WhenconfiguredwiththeHuskyHostInterfaceoption,Huskyset-upnumberoneisreserved.Whentheoperatorsavestoset-upnumberone,itistransmittedtothehostsystem.

Set-upsbeingsenttothehostsystemareidentifiedby:

∙Dateandtime（19characters,“YYYY-MM-DDHH:

MM:

SS”）

∙Moldnumber（8characters）

∙Machinetype（9characters）

∙Machineserialnumber（6characters）

∙Resintypeandname（16characters）.

Thehostmustonlysaveset-upsonitsdiskifthewholedatafileisreceivedcorrectly.Theset-upwillnotappearinset-upnumberoneuntilthehosthasreceivedtheentiredatafilewithnoerrors.Ifanerroroccurswhensendingamachineset-up,theHuskyOIdisplaysanerrormessageonthewarninglineandpromptstheoperatorforaresponsebeforecontinuing.

Ifthehostinterfaceisdown,theoperatorcannotsavetoset-upnumberone.Theset-upwillhavetobesavedtoanotherset-upnumberandtransferredtoset-upnumberonewhentheinterfacehasbeenre-established.

3.3ReceivingMachineSet-upsfromHost

WhenconfiguredwiththeHuskyHostInterfaceoption,theHuskymachinecanalsoreceivemachineset-upsintoset-upnumberonefromthehostsystem.

Whenthehostsystemtransfersaset-uptothemachine,itisstoredintheset-upnumberoneslot.Loadingthenewset-upnumberoneintotheHuskymachineisunderthecontroloftheoperator.Theoperatorloadsthisnewmachineset-upwhenready.

IfthemachineserialnumbersaredifferentwhentheHuskymachineisreceivinganewset-up,theOIpromptstheoperatoronthewarninglinebeforethenewset-upisaccepted.Typically,onlyset-upsfromsimilarmachinesareaccepted.

Set-upsareidentifiedontheHuskymachineby:

∙Dateandtime（19characters,“YYYY-MM-DDHH:

MM:

SS”）

∙Moldnumber（8characters）

∙Machinetype（9characters）

∙Machineserialnumber（6characters）

∙Resintypeandname（16characters）.

Forsecurityandsafetyreasons,set-upsmustnotbemodifiedinanywaybythehostsystem.ChecksinternaltotheHuskysystemwillpreventtheuseofalteredset-ups.Theoperatorinterfacedisplaysamessageonthewarninglinewhenitisreceivinganewset-up.

TheHuskymachineonlysavesset-upsinitsmemoryifthewholedatafilehasbeenreceivedcorrectlyandtheinternalcheckscompletesuccessfully.Ifanerroroccurswhenreceivingamachineset-up,theHuskyOIdisplaysanerrormessageonthewarninglineandpromptstheoperatorforaresponsebeforethemachinecontinues.

3.4ReadProcessData

Attheendofeverycycle,theHuskymachinewilltransmitprocessdatacollectedduringthelastcycletothehostsystem.（seeAppendixA）.

3.5Events

TheOperatorInterfacewilltransmittotheHostComputeralleventsnormallystoredintheEventLogincluding:

∙Cyc.Int.-CycleInterruptionactiveandinactive.

∙Alarm-MachineAlarmsactiveandinactive.

∙Setpoint-Changestosetpoints,options,selections,etc.

∙Machine-Changesinmachinestate（Idle/Manual,AutoCycling,etc.）

∙OIStart-StartupoftheOperatorInterface.

∙PLCLink-PLCcommunicationsstatus.

∙PLC2Link-SecondPLCcommunicationsstatus.

∙CLCLink-CLCRobotControllercommunicationsstatus.

∙Bnchmark-CycleTimeBreakdownBenchmarkcaptured.

∙Setup-MoldSetupsaveandrecall.

∙Heats-BrokenThermocoupleorControllerfaults.

∙SPC-IndividualSPCvariablealarms.

∙Log-EventandDatalogcreationortransfer.

∙Access-OperatorAccessLogin/Logout.

∙Reason-SetpointChangeReasons.

∙Inv.Alrm-UnconfiguredAlarms.

Someoftheseeventsonlyapplytomachineswhichincludecertainoptions（SPC,Reasons,Access）oraredependantuponthevintageorconfigurationofthemachine（PLC2Link,CLCLink,Heats）.OldermachinesnotequippedwiththeTroubleshootingpackagewillgenerateonlyOIStartevents（andSPCandLogeventsifequipped）.Specialsoftwareorfutureenhancementsmayadd,change,oreliminateeventtypes.

Eventsmessageswillonlybesenttothehostastheyoccur,andwillnotbebufferediftheconnectiontothehostislost.Theeventtextwillbesentinallsupportedlanguages.

3.6CycleInterruptions

TheHuskymachinetransmitscycleinterruptions,astheyoccur,tothehost（seeAppendixB）.Thehostcanalsorequestthelastcycleinterruptionconditionatanytime.TheHuskymachinewillsendthecycleinterruptiontexttothehostinallsupportedlanguages.

3.7SPC

IftheHuskySPCoptionisinstalled,theHuskymachinewilltransmitSPCinformationtothehostwhenachangeinanyoftheparametersisdetected.Thehostcanalsorequestthisinformationatanytime.

3.8MachineStatus

“QueryMachineStatus”willreturnanASCIIstringindicatingthestatusofthemachine.

3.9RemotePrinting

WhentheoperatorpressesthePrint-screenkey,thecurrentdisplayimageistransmittedtothespecifiedprintqueue.ThisrequirestheHuskyprint-screenoption.

Toenableremoteprintingonthehostprinter,itmustbeselectedviatheOIprintsettingsscreen.Forremoteprintingtoworkasdesired,theprinthostmustbeconnectedtoaprintersupportedbyHuskyprintingfunctions.

4.TechnicalImplementation

4.1CommunicationsInterface

ThissectiondefinestheHuskyHostInterface.Thisinterfaceiscomprisedofthreelinks:

Type1-Machinefunctions（HuskytoHost）

Type2-Displayinterface（HuskytoHost）

Type3-Remoteprinting（HuskytoPrintHost）.

EachlinkusesaseparateTCP/IPsocketconnection.Atstart-upthehostsystemcallstheHuskymachine.

IfthelinkbetweentheHuskymachineandthehostsystemfailsordisconnects,thehostsystemmustre-establishtheconnection.Whenthehostlinkisdown,awarningisdis