iccp702.docx

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iccp702

IEC870-6-702

TASE.2Profiles

Version1996-11

ICCP

Inter-ControlCentre

CommunicationsProtocol

Version6.1

Preparedby:

UtilityCommunicationsSpecification

WorkingGroup

February,1997

CONTENTS

Page

FOREWORD

INTRODUCTION

1Scope

2NormativeReferences

3Definitions

4Abbreviations

5Profileprotocolstacks

6Conformancerequirements

6.1TASE.2requirements

6.2MMSRequirements

6.3UpperLayersRequirements

AnnexAISPICSrequirementslists

A.1General

A.2Classificationofrequirements

A.3TASE.2

A.4MMS

A.5ACSE

A.6Presentation

A.7SessionPRL

AnnexBFuturedevelopments

AnnexCBibliography

INTRODUCTION

ThissectionofIEC870-6isoneoftheIEC870-6seriesdefiningfunctionalprofilestobeusedintelecommunicationnetworksforelectricpowersystems.ItislargelybasedonexistingISO/IECInternationalStandardsandInternationalStandardizedProfiles（ISP）.

ThenotionofFunctionalProfilesisfundamentalintheorganizationofIEC870-6.AdescriptionofFunctionalProfiles,theirclassificationschemeandthemannerofdefiningthemarelaiddowninIEC870-6-1.

ThisprofileforTelecontrolApplicationServiceElement（TASE.2,alsoknownasInter-ControlCentreCommunicationsProtocol,ICCP）isanApplication-classProfileprovidingcommunicationscapabilitiestoControlCentreapplications.TheTASE.2intheApplicationLayerisspecifiedinthefutureIEC870-6-503.ThepresentstandardrefinestheApplicationLayerprotocoltomeetinteroperabilityrequirementsandspecifiesrequirementsonthePresentationandSessionLayerssupportforTASE.2.TASE.2operatesinaconnectionmode,sothisA-profileneedstointerfacetoaTransport-classprofileoftheT-profilevariety.

SincetheTASE.2isanMMS-basedprotocol,thisFunctionalProfile（FP）isbasedonMMSprofiles.IntheOSIInternationalStandardizedProfiletaxonomythereisacategoryforMMSA-profiles.ThepresentstandardmakesfrequentuseoftheAMM11profile.

1Scope

ThissectionofIEC870-6isaFunctionalProfile（FP）anddefinestheprovisionoftheTASE.2communicationsservicesbetweentwoControlCentreEndSystems.ItissupportedbytheTransportServicesimplementedinaccordancewithTransport-profilesdefinedforthetypeofnetworkthatinterconnectstheControlCentreEndSystems.Thisisdemonstratedinfigure 1.

1Figure1-ApplicabilityofFunctionalProfile

ThisFPalsodefinestheprovisionoftheOSIConnection-modePresentationandSessionServicesbetweentheEndSystems.

DISP14226specifiestheAMM11profilesforMMS.ThepartsofISP14226thatcovertheprofilethatareusedasabasisforthisFPareISP14226-1andISP14225-2.ThisFPisinalignmentwithISP14226,asfaraspossible,andmaintainsthiscompatibilitybyreference.ThereareTASE.2requirementsinadditiontoISP14226.SuchrequirementsarespecifiedinthisFP.

2NormativeReferences

Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthissectionofIEC870-6.Atthetimeofpublication,theeditionsindicatedwerevalid.Allnormativedocumentsaresubjecttorevision,andpartiestoagreementsbasedonthissectionofIEC870-6areencouragedtoinvestigatethepossibilityofapplyingthemorerecenteditionsofthenormativedocumentsindicatedbelow.MembersofIECandISOmaintainregistersofcurrentlyvalidInternationalStandards.

ISO/IEC8650-2:

1995,Informationtechnology-OpenSystemsInterconnection-ProtocolSpecificationfortheAssociationControlServiceElement-Part2:

ProtocolImplementationConformanceStatement（PICS）Proforma

ISO/IEC8822:

1994,Informationtechnology-OpenSystemsInterconnection-Presentationservicedefinition

ISO/IEC8823-7:

1994,Informationtechnology-OpenSystemsInterconnection-Connection-orientedpresentationprotocol:

Protocolspecification

ISO/IEC8823-2:

1995,Informationtechnology-OpenSystemsInterconnection-Connection-orientedpresentationprotocol-Part2:

ProtocolImplementationConformanceStatement（PICS）Proforma

ISO/IEC8824:

1990,Informationprocessingsystems-OpenSystemsInterconnection-SpecificationofAbstractSyntaxNotationOne（ASN.1）

ISO/IEC8825:

1990,Informationtechnology-OpenSystemsInterconnection-SpecificationofBasicEncodingRulesforAbstractSyntaxNotationOne（ASN.1）

ISO/IEC9506-1:

1990,Industrialautomationsystems-ManufacturingMessageSpecification-Part1:

Servicedefinition

ISO/IEC9506-2:

1990,Industrialautomationsystems-ManufacturingMessageSpecification-Part2:

Protocolspecification

ISO/IECTR10000-1:

1992,Informationtechnology-FrameworkandtaxonomyofInternationalStandardizedProfiles-Part1:

Framework

ISO/IECTR10000-2:

1994,Informationtechnology-FrameworkandtaxonomyofInternationalStandardizedProfiles-Part2:

PrinciplesandTaxonomyforOSIProfiles

ISO/IECDISP14226-1,InformationTechnology-InternationalStandardizedProfileAMM11:

MMSgeneralapplicationbaseprofile-Part1:

SpecificationofACSE,presentationandsessionprotocolsfortheusebyMMS（inpreparation）

ISO/IECDISP14226-2,InformationTechnology-InternationalStandardizedProfileAMM11:

MMSgeneralapplicationbaseprofile-Part2:

CommonMMSrequirements（inpreparation）

ISO8326:

1987,Informationtechnology-OpenSystemsInterconnection-Basicconnectionorientedsessionservicedefinition

ISO8327:

1987,Informationtechnology-OpenSystemsInterconnection-Basicconnectionorientedsessionprotocolspecification

ISO/DIS8327-2,Informationtechnology-OpenSystemsInterconnection-Basicconnectionorientedsessionprotocolspecification-Part2:

Protocolimplementationconformancestatement（PICS）Proforma

ISO8649:

1988,Informationprocessingsystems-OpenSystemsInterconnection-ServiceDefinitionfortheAssociationControlServiceElement（ACSE）

ISO8650:

1988,Informationprocessingsystems-OpenSystemsInterconnection-ProtocolSpecificationfortheAssociationControlServiceElement（ACSE）

57/228/CDV,Telecontrolequipmentandsystems-Part6:

TelecontrolprotocolscompatiblewithISOstandardsandITU-Trecommendations-Section503:

TASE.2servicesandprotocol（futureIEC870-6-503,inpreparation）

3Definitions

Allthetermsusedinthisstandardareasdefinedintheabove-referencedstandards.

4Abbreviations

Alltheabbreviationsusedinthisstandardareasdefinedintheabove-referencedstandards.

5Profileprotocolstacks

Asshowninfigure2,theTASE.2profileincludestheTASE.2,MMSandACSEelementsintheTASE.2protocol,theConnection-ModePresentationprotocol,andtheConnection-ModeSessionprotocol.

2Figure2-TASE.2MMSApplicationProfile

6Conformancerequirements

TheTASE.2ApplicationProfilecanbereferredtoasanTASE.2MMSApplicationProfile.ItshallfollowthesamerulesandregulationsgoverningMMSISPs.RequirementsoftheTASE.2MMSApplicationProfiletosupportTASE.2areseparatedintoUpperLayerRequirements,MMSRequirements,andTASE.2Requirements.

TheISPICSRequirementsListsforTASE.2,MMS,ACSE,PresentationandSessionaregiveninannex A.AnnexAmakesmandatorysomefeaturesthatwereoptionalinISO/IECDISP14226-1andISO/IECDISP14226-2.

ForeachimplementationclaimingconformancetothissectionofIEC870-6anappropriatesetofPICSsshallbemadeavailablestatingsupportornon-supportofeachoptionidentifiedinthissection.

6.1TASE.2requirements

TherearenoTASE.2requirementsbesidesthosespecifiedintheconformancestatementgiveninIEC870-6-503.

6.2MMSRequirements

TheMMSconformancerequirementsarespecifiedinIEC870-6-503.ADataStructureNestingLevelparametervalueofgreaterthan1shallbesupported.

6.3UpperLayersRequirements

UpperlayersrequirementsforTASE.2shallbeasdefinedbyISO/IECDISP14226-1fortheAMM11profile.Inaddition,thePresentationprotocolshallbeabletosupporttheDefaultContextnegotiation,DefaultContextNameandSimplyEncodedDataoptions.

TheTASE.2MMSApplicationProfilerequiresthattherebeamechanismfortheApplicationAssociationperformance/qualityattributestobeconveyedtotheTransport（and,thus,Network）Service.Themechanismemployedisimplementation-defined,buttheTASE.2andTransportprofileimplementatationsmustbecompatible.

Whenanassociationisrequested,ifthereisaPriorityclassagreedforit,thevalueagreedbetweentheControlCentresisgiventotheTransportLayer.EverydataunitthatissentonthisassociationistreatedaccordingtothePriorityclassintheTransportService.Ifnopriorityvalueisagreed,thennoneisexpressedandadefaultvalueisassumed.

AnnexAISPICSrequirementslists

A.1General

ThisannexdescribestheTASE.2,ACSE,PresentationandSessionrequirementsintermsoftableswhichreferencethebasestandardPICSproforma.TheMMSrequirementsarealsodescribedintermsoftableswhichwerederivedfromthebasestandard.Thetablesareintendedtogiveaprecisespecificationofrequirements.Incaseofarbitrationordispute,thisannextakesprecedenceoverclause6.

InthePICSproformareferencecolumnofA.3andA.5toA.7,andinthelistsofconditionalexpressionsunderneaththetables,tableswithinthebasestandardPICSproformasarereferenced.ThefirstletteridentifiesthespecificPICSproforma:

∙TASE.2-IEC870-6-503;

∙ACSE-ISO/IEC8650-2;

∙Presentation-ISO/IEC8823-2;

∙Session-ISO8327-2.

Thecharactersfromthesecondcharactertothesolidus（/）formareferencetothespecificsubclauseinannexAofthatPICSproformawhichcontainsthetableinquestion.Thenumberafter