IEC 62056 DLMS/COSEM seminar · PDF file1 DLMS seminar EUW 2014 – Interoperability IEC 62056 DLMS/COSEM seminar Interoperability EUW 2014, Amsterdam Győző Kmethy, DLMS UA, ...
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DLMS seminar EUW 2014 – Interoperability 1
IEC 62056 DLMS/COSEM seminar
Interoperability
EUW 2014, Amsterdam
Győző Kmethy, DLMS UA, President
Victoria Varjú, DLMS UA, Support manager Bas Roelofsen, DNV GL, Consultant
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Agenda
• 13:00 Registration • 13:30 DLMS/COSEM overview • 14:00 COSEM model news • 15:00 Coffee break • 15:30 DLMS services news • 16:00 Security extensions • 16:30 DLMS/COSEM communication profiles • 16:45 Interoperability and conformance testing • 17:00 Tools, demo, quiz • 17:15 Q/A • 17:30 End of the program
2 DLMS seminar EUW 2014 – Interoperability 2
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Inter...what?
DLMS seminar EUW 2014 – Interoperability 3
• Interconnectivity: all, what has to be connected, can be connected (physical and abstract level)
• Interoperability: ability of diverse systems to work together – syntactic: ability to exchange data - protocols, formats – semantic: data exchange produces (agreed) useful results
• Interchangeability: elements providing the same function the same way
• Reaching true interoperability – open international standards – partnership and co-operation – discipline in following the standard – conformance testing – companion specifications make the choice between options, and specify project
specific elements that cannot be specified internationally – project specific interoperability testing
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Levels of interoperability
Semantic interoperability
Syntactic interoperability
Business function interoperability
Business process interoperability
Network interop. / coexistence
IEC 62056-6-2 COSEM model IEC 62056-6-1 OBIS identifiers
IEC 62056-5-3 DLMS/COSEM Application layer
IEC 62056, prTS 52056, prTS 50568, prTS 50586 Communication profiles
FR: Linky
ES: IBERDROLA
India: IS 15959
Italy (gas): UNI/TS 11291-11-2:2014
NL: DSMR
UK: GBSC (DECC)
Saudi Arabia
IDIS
Functional testing
against CS
DLMS/COSEM Conformance testing against the standard
Medium spec. testing
(lower layers)
Domains Standards Project spec. Comp specs Testing
Companion specifications (CSs)
DLMS seminar EUW 2014 – Interoperability 4
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Reaching interoperability: International standards and companion specifications
• International standards – specify what can be agreed on – specify only few mandatory elements – leave choices for flexibility – specify the semantics and the syntax of functions but not their details
• Companion specifications close interoperability gaps
– specify elements that must be present to support project use cases – make choices between options to optimize performance and costs – specify project specific elements (e.g. events) – specify processes for data exchange – should be jointly specified by project participants – Examples: Dutch DSMR, French Linky, Spanish T5, GBCS, Indian, Saudi
Arabian, Italian Gas, IDIS....
DLMS seminar EUW 2014 – Interoperability 5
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Closing the gap with companion specifications M
ETER
SYST
EM
Proprietary interface
Proprietary interface
Standard interface
Standard interface
Standard interface + Companion specification
Standard interface + Companion specification
Integration costs
Integration costs
Courtesy IDIS
DLMS seminar EUW 2014 – Interoperability 6
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Companion spec. example - The IDIS project
• Initiative of Iskraemeco, Itron and Landis+Gyr
• learning from Dutch, French, Spanish projects
• Objective: create a market for interoperable meters with standard functions
• Companion specification to IEC 62056 DLMS/COSEM
• specifies details of the functions
• only selections made: nothing modified, nothing added
• IDIS interoperability test
• IDIS meters pass DLMS conformance test
• Publicly available, anybody can make IDIS meters
• Members committed to produce IDIS meters
• http://idis-association.com/
DLMS seminar EUW 2014 – Interoperability 7
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• Purpose: to verify correct implementation in meters (DLMS/COSEM servers)
• Protocol and object model tests • Helps product development
– Optional log module provides detailed, human readable information • Helps system integration • Self testing or third party testing • Accessible to any DLMS UA member
under fair and equal terms
Reaching interoperability: conformance testing
DLMS seminar EUW 2014 – Interoperability 8
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COSEM Server
COSEM Test Client
Test tool architecture
COSEM Test Client
stack
Test programs
Physical IF
COSEM Server Stack
Device application
Physical IF
Test Workstation System under test (SUT)
PDU-s
• Remote test method: Observation and analysis of protocol data units 7EA00A00020023215314B77E 7EA00A2100020023734CE77E
DLMS seminar EUW 2014 – Interoperability 9
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Process implementation
• Automatic test execution by the manufacturer or third party tester
• Verification / certification: DLMS UA Test plans
Test report
Association object
1.8.1.3 12345.67
Test
routines
CTI
Test routines
c
Test
routines
COSEM compliant
Test report Test report
DLMS seminar EUW 2014 – Interoperability 10
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Application layer tests
Test suiteCOSEM Application layer
Test groupAPPL_IDLE
Test groupAPPL_OPEN
Test groupAPPL_DATA_LN
Test groupAPPL_DATA_SN
Test groupAPPL_REL
Test groupAPPL_IDLE_P
Test groupAPPL_
DATA_LN_P
Test groupAPPL_
DATA_SN_N
Test groupAPPL_REL_N
Test cases Test cases Test cases Test cases
Test groupAPPL_
DATA_LN_N
Test casesTest cases
DLMS seminar EUW 2014 – Interoperability 11
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COSEM object tests
• Validity of logical names • Access rights to attributes • Attribute types • Methods not tested –
would change the IUT • Multiple references • Presence of mandatory
objects • Objects found are listed
Test suiteCOSEM interface objects
COSEM_X_Y
Multiple references
Mandatory objects
DLMS seminar EUW 2014 – Interoperability 12
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Conformance assessment process Start
Preparation for testing:IUT & CTT
Test selection andparametrization
Test campaigns:one for each communication
profile and applicationcontext
Conformance test report &log
End
CTI
Test operations
13
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DLMS Certified products and manufacturers
050
100150200250300350400450
2002 2004 2006 2008 2010 2012 2014QIII
• CTT 1 released in 2002, CTT version 2.5 in 2011, CTT version 3 is under development
• To date (October 2014): 450+ certificates, 70+ manufacturers
Certified products
Manufacturers
DLMS seminar EUW 2014 – Interoperability 14
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Conformance testing & certification
• Test plans & Certification: DLMS UA • CTT sales: EURO DCS GmBH • Self-testing / third party testing
– 70+ CTT licenses, 20+ third party test labs
• 70+ manufacturers, 450+ Certificates
TECHNICAL REPORT
Companion Specificationfor Energy Metering
COSEM
Conformance TestTool - Specification
DLMS User Association
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TECHNICAL REPORT
Companion Specificationfor Energy Metering
COSEM
Conformance TestTool - Specification
DLMS User Association
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DLMS seminar EUW 2014 – Interoperability 15
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Examples of test reports
DLMS seminar EUW 2014 – Interoperability 16
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• Certificates listed at www.dlms.com
•Meter type + LDN
• Manufacturer
• Test house
•Test information
•Test report is available from the manufacturer
Example Certificate
DLMS seminar EUW 2014 – Interoperability 17
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A few interesting links… just browse for more • DNV GL Test tool: Link to brochure for test tooling • http://www.dnvkema.com/Images/DLMS%20Test%20Suite%20for%20Smart%
20Meters.pdf • DLMS – The true international metering standard: Kalkitech (video)
– http://www.youtube.com/watch?v=wYdINnOkldw
• DLMS communication packages: I-Cube – http://www.icube.ch/dlmscosem_packages.html
• DLMS for MSP430 E.meter SoCs: Texas Instr. – http://www.ti.com/tool/DLMSOBJ-EVAL
• Kalkitech DLMS/COSEM offerings – http://www.kalkitech.com/solutions/dlms-cosem-solutions/
• IDIS interoperability White Paper – http://www.landisgyr.eu/resource/white-paper
• TEPCO Disclosure of Smart Meter Specification (Metering Part) • Itron Response to AEMC DRAFT REPORT, Framework for Open Access and
Common Communication Standards Review, 19 De 2013 • Great Britain Companion Specification (GBCS) - Gov.UK
DLMS seminar EUW 2014 – Interoperability 18
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