70022-0123-00PROTOCOL DOCUMENT 05/2007

Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material.

2007 Schneider Electric. All rights reserved.

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DLMS/COSEM and IONTechnologyThistechnicalnoteprovidessetupandconfigurationinstructionsforusingIONtechnologywithDLMS/COSEMandassumesthatyouhavesomefamiliaritywithDLMS/COSEM.Formoreinformation,seetheAdditionalInformationreferenceslistedbelow.

Currently,onlyPowerLogicION8800meterssupportDLMS/COSEM.

In This Document

Introduction to DLMS/COSEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Specific Implementation of DLMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3PhysicalLayer......................................................... 3DataLinkLayer....................................................... 3ApplicationLayer ..................................................... 4COSEMLayer ......................................................... 4TimeSynchronization .................................................. 6

Using ION Meters with DLMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7ConfiguringMeterCommunications..................................... 7

Additional Information

DLMSUserAssociationwebsitehttp://dlms.com

GreenBook5thEditionCOSEMArchitectureandProtocols

BlueBook7thEditionCOSEMIdentificationSystemandInterfaceClasses

YellowBook2ndEditionCOSEMConformanceTestProcess

WhiteBook1stEditionCOSEMGlossaryofTerms

ION8800InstallationGuide

IONReference

Introduction to DLMS/COSEM DLMS/COSEM and ION Technology

Page 2 2007 Schneider Electric. All rights reserved.

Introduction to DLMS/COSEMDLMSbeganasDistributionLineMessageSpecification,anapplicationlayerspecificationdesignedtosupportmessagingtoandfrom(energy)distributiondevicesinacomputerintegratedenvironment.ItisaninternationalstandardestablishedbyIECTC57andpublishedasIEC61334441.

TheconceptlaterbecameDeviceLanguageMessageSpecificationwiththeobjectiveofprovidinganinteroperableenvironmentforstructuredmodelingandmeterdataexchange.Applicationslikeremotemeterreading,remotecontrolandvalueaddedservicesformeteringanykindofenergy,likeelectricity,water,gasorheat,aresupported.

COSEMstandsforCOmpanionSpecificationforEnergyMetering.Itisaninterfacemodelofcommunicatingwithenergymeteringequipment,providingaviewofthefunctionalityavailablethroughthecommunicationinterfaces.Themodelingusesanobjectorientedapproach.

TheCOSEMmodelallowsforamanufacturerindependent,controlledandsecurewaytoindentify,retrieveandinterprettheinformationheldinanymeter.

NOTEAs currently implemented, each ION meter running the DLMS protocol will contain a single logical device.

Terminology

Client(master)istheworkstationrunningsoftware

Server(slave)isthemeter

OnlytheClientcaninitiaterequests.

COSEM Interface

ByusingtheCOSEMinterfacespecifications,datacollectionsystemsandmeteringequipmentfromdifferentvendorscanexchangedatainaninteroperableway.

Thisinteroperabilityisaccomplishedthroughobjectmodeling.Anobjectisacollectionofattributesandmethods.

Theinformationofanobjectisorganizedinattributes.Theyrepresentthecharacteristicsofanobjectbymeansofattributevalues.Thevalueofanattributemayaffectthebehaviorofanobject.Anobjectmayofferanumberofmethodstoeitherexamineormodifythevaluesoftheattributes.

Objectsthatsharecommoncharacteristicsaregeneralizedasaninterfaceclasswithaclass_id.Withinaspecificclass,thecommoncharacteristics(attributesandmethods)aredescribedonceforallobjects.EachinstanceofaninterfaceclassiscalledaCOSEMobject.

DLMS/COSEM and ION Technology Specific Implementation of DLMS

2007 Schneider Electric. All rights reserved. Page 3

Specific Implementation of DLMSDetailsofthisimplementationoftheDLMSprotocolareoutlinedbelow.

Physical LayerOnlyserialportcommunicationsaresupportedinthisimplementationoftheprotocol.DLMSisavailableonthefollowingserialcommunicationsports:Optical,RS232,RS485andModem.

Data Link LayerThefollowingoperationselectionsforHDLC(ISO/IEC13239)werechosenforusewithDLMS:

unbalancedconnectionmodedatalinkoperation

twowayalternatedatatransfer

theselectedHDLCclassofprocedureisUNC,extendedwithUIframes

nonbasicframeformattransparency(HDLCFrameformattype3)

DLMS/COSEM Specification Supported by ION Implementation

Maximum Info Field Transmit 128

Maximum Info Field Receive 128

Maximum Window Size Transmit 1

Maximum Window Size Receive 1

Transparent transfer of long MSDUs Not supported

Inactivity time out 120 seconds

Inter-frame time out Configured RxTimeout register value

Device Addressing Length 4 bytes

Physical Device Address Configured in meters UnitID register value

Logical Device(s) Management Logical Device only at specified address 0x0001

Application Layer DLMS/COSEM and ION Technology

Page 4 2007 Schneider Electric. All rights reserved.

Application Layer

COSEM LayerTheregisterattributeslistedinthetablebelowarescaledby1000toprovideresolutiontothreedecimalpoints.

DLMS/COSEM Specification Supported Implementation

Supported application context LN referencing

Available services

attribute0-supported-with-GET

block-transfer-with-get

get

set (supported for time synchronization only)

selective-access

Supported COSEM Objects Capture Objects COSEM/OBIS Representation of Capture Objects

Association LN - 0-0:40.0.0*255

SAP Assignment - 0-0:41.0.0*255

Logical Device Name - 0-0:42.0.0*255

Clock - 0-0:1.0.0*255

Profile Generic 1-0:99.1.0*255 (Load Profile)

Record Timestamp Clock attribute 2 - 0-0:1.0.0*255

Status Data attribute 2 - 0-0:97.97.0*255

kWh del int Register attribute 2 - 1-1:1.29.0*255

kVARh del int Register attribute 2 - 1-1:3.29.0*255

kWh rec int Register attribute 2 - 1-1:2.29.0*255

kVARh rec int Register attribute 2 - 1-1:4.29.0*255

DLMS/COSEM and ION Technology COSEM Layer

2007 Schneider Electric. All rights reserved. Page 5

Whenallbitsareset,thestatusisconsideredinvalid.

Profile Generic 1-0:98.1.0*255(Billing Data)

Record Timestamp Clock attribute 2 - 0-0:1.0.0*255

Status (see below) Data attribute 2 - 0-0:97.97.0*255

kWh del Register attribute 2 - 1-1:1.8.0*255

kWh rec Register attribute 2 - 1-1:2.8.0*255

kWh del-rec Register attribute 2 - 1-1:16.8.0*255

kVARh del Register attribute 2 - 1-1:3.8.0*255

kVARh rec Register attribute 2 - 1-1:4.8.0*255

kVARh del-rec Register attribute 2 - 1-1:128.8.0*255

kVAh del+rec Register attribute 2 - 1-1:9.8.0*255

kW sd del-rec Register attribute 2 - 1-1:16.4.0*255

kVAR sd del-rec Register attribute 2 - 1-1:128.4.0*255

kVA sd del+rec Register attribute 2 - 1-1:9.4.0*255

PF sign mean Register attribute 2 - 1-1:13.0.0*255

Supported COSEM Objects Capture Objects COSEM/OBIS Representation of Capture Objects

Status (unsigned 16 bit) Value

bit 15 Reserved

bit 14 Reserved

bit 13 Reserved

bit 12 Reserved

bit 11 Reserved

bit 10 Reserved

bit 9 DST Ended

bit 8 DST Started

bit 7 Power Down

bit 6 Power Up

bit 5 Time Changed

bit 4 Reserved

bit 3 Master Reset

bit 2 Reserved

bit 1 Reserved

bit 0 Reserved

Time Synchronization DLMS/COSEM and ION Technology

Page 6 2007 Schneider Electric. All rights reserved.

Time SynchronizationThisimplementationofDLMStimesynchronizationusestheSETservicetowriteanewvalueforattribute2(time)ontheClockobject.

Toworkcorrectly,theClockmoduleonyourIONmetermustbesetuptoreceivetimesyncsonthecommunicationsportusedforDLMS.SettheTimeSyncSourcesetupregisterontheClockmoduletotheportusedforDLMS.SeetheIONReferenceforadetaileddescriptionoftheClockmodule.

Tosetthetimeonthemeter,anApplicationAssociation(AA)thatsupportstheSETservicemustfirstbeestablished.TheclientsoftwarecanthenissueatimesyncbysendingaSETrequestforattribute2ontheClockobject.

Thetypeofattributeisdate_time.Thisattributedefinesanumberofvaluesforeachfield.Thisimplementationsupportsallofthenotspecifiedvalues.Afieldwillnotchangeifavalueisnotspecified.

Thefollowingarenotsupported:

ThedayOfWeekfieldisignored

Thefollowingspecialvaluesareinterpretedasinvalid

monthfieldsettingsof0xFD(DSTendmonth)and0xFE(DSTbeginmonth) dayOfMonthfieldsettingsof0xFD(2ndlastday)and0xFE(lastday)

Thisimplementationperformsacheckofrangesoneachfieldandthetimesyncwillfailifanyfieldisoutsideofthevalidrange.

DLMS/COSEM and ION Technology Using ION Meters with DLMS

2007 Schneider Electric. All rights reserved. Page 7

Using ION Meters with DLMSDLMSenabledIONmeterscomepreconfiguredwithframeworksthatallowthemetertoprovidevaluestoaDLMSmaster.ThemodulesinvolvedaretheFactorymodule,theClockmodule,theEventLogControllermodule,andDataRecorders1and10andtheirinputs.

NOTEChanging these modules and any of their inputs from the default template is an advanced setupprocedure that requires an understanding of the protocol, as well as an understanding of the metersinternal operation.

Configuring Meter CommunicationsUsersneedtoconfigurethemeterscommunicationsettingsbeforetheycanaccessvaluesusingDLMSmastersoftware.

DLMSisavailableonallserialports,includingthefrontopticalport.UsethefrontpanelorIONsoftwaretoselectthecommunicationportyouwanttouseforDLMS.

SeeyourmetersUserGuide(Communicationschapter)forinstructions.

Introduction to DLMS/COSEMSpecific Implementation of DLMSPhysical LayerData Link LayerApplication LayerCOSEM LayerTime Synchronization

Using ION Meters with DLMSConfiguring Meter Communications

/ColorImageDict > /JPEG2000ColorACSImageDict > /JPEG2000ColorImageDict > /AntiAliasGrayImages false /CropGrayImages true /GrayImageMinResolution 300 /GrayImageMinResolutionPolicy /OK /DownsampleGrayImages true /GrayImageDownsampleType /Bicubic /GrayImageResolution 300 /GrayImageDepth -1 /GrayImageMinDownsampleDepth 2 /GrayImageDownsampleThreshold 1.50000 /EncodeGrayImages true /GrayImageFilter /DCTEncode /AutoFilterGrayImages true /GrayImageAutoFilterStrategy /JPEG /GrayACSImageDict > /GrayImageDict > /JPEG2000GrayACSImageDict > /JPEG2000GrayImageDict > /AntiAliasMonoImages false /CropMonoImages true /MonoImageMinResolution 1200 /MonoImageMinResolutionPolicy /OK /DownsampleMonoImages true /MonoImageDownsampleType /Bicubic /MonoImageResolution 1200 /MonoImageDepth -1 /MonoImageDownsampleThreshold 1.50000 /EncodeMonoImages true /MonoImageFilter /CCITTFaxEncode /MonoImageDict > /AllowPSXObjects false /CheckCompliance [ /None ] /PDFX1aCheck false /PDFX3Check false /PDFXCompliantPDFOnly false /PDFXNoTrimBoxError true /PDFXTrimBoxToMediaBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXSetBleedBoxToMediaBox true /PDFXBleedBoxToTrimBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXOutputIntentProfile () /PDFXOutputConditionIdentifier () /PDFXOutputCondition () /PDFXRegistryName () /PDFXTrapped /False

/Description > /Namespace [ (Adobe) (Common) (1.0) ] /OtherNamespaces [ > /FormElements false /GenerateStructure false /IncludeBookmarks false /IncludeHyperlinks false /IncludeInteractive false /IncludeLayers false /IncludeProfiles false /MultimediaHandling /UseObjectSettings /Namespace [ (Adobe) (CreativeSuite) (2.0) ] /PDFXOutputIntentProfileSelector /DocumentCMYK /PreserveEditing true /UntaggedCMYKHandling /LeaveUntagged /UntaggedRGBHandling /UseDocumentProfile /UseDocumentBleed false >> ]>> setdistillerparams> setpagedevice