IEC 61968-9:2024

IEC 61968-9 ®
Edition 3.0 2024-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Enterprise business function interfaces for utility operations –
Part 9: Interfaces for meter reading and control

Interfaces de fonctions métier d'entreprise pour l'exploitation des services –
Partie 9: Interfaces pour le relevé et la commande des compteurs
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IEC 61968-9 ®
Edition 3.0 2024-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Enterprise business function interfaces for utility operations –

Part 9: Interfaces for meter reading and control

Interfaces de fonctions métier d'entreprise pour l'exploitation des services –

Partie 9: Interfaces pour le relevé et la commande des compteurs

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.200  ISBN 978-2-8322-9296-9

– 2 – IEC 61968-9:2024 © IEC 2024
CONTENTS
FOREWORD . 13
INTRODUCTION . 16
1 Scope . 17
2 Normative references . 18
3 Terms, definitions and abbreviated terms . 19
3.1 Terms and definitions. 19
3.2 Abbreviated terms . 21
4 Reference and information models . 21
4.1 General approach to messaging. 21
4.2 General approach to metering systems . 22
4.3 Meter reading and control functions and components . 22
4.4 Static information model . 23
4.4.1 General . 23
4.4.2 Classes for meter reading and control . 24
4.4.3 Classes related to meter reading and control . 26
5 Meter reading and control message types . 27
5.1 General . 27
5.2 End device event messages . 28
5.2.1 General . 28
5.2.2 Applications . 28
5.2.3 Message format . 33
5.3 Meter reading messages . 35
5.3.1 General . 35
5.3.2 Applications . 36
5.3.3 Message formats . 41
5.4 End device control messages. 54
5.4.1 General . 54
5.4.2 Applications . 54
5.4.3 Message format . 61
5.5 Meter service requests . 65
5.5.1 General . 65
5.6 Metering system events . 66
5.6.1 General . 66
5.6.2 Applications – Firmware upgrade . 67
5.6.3 Message formats . 67
5.7 Premises area networks . 67
5.7.1 General . 67
5.7.2 Applications . 68
5.7.3 Message formats . 70
5.8 Master data management messages . 70
5.8.1 General . 70
5.8.2 Applications . 71
5.8.3 Message formats . 74
Annex A (informative) Recommended use of message type verbs . 84
Annex B (informative) Reply error codes . 88
Annex C (normative) Procedure for the generation of a ReadingType name . 89

C.1 General . 89
C.2 Understanding the important attributes of a data element name . 89
C.2.1 General . 89
C.2.2 Attribute #1, macroPeriod . 89
C.2.3 Attribute #2, aggregate . 90
C.2.4 Attribute #3, measuringPeriod . 91
C.2.5 Attribute #4, accumulation . 94
C.2.6 Attribute #5, flowDirection . 97
C.2.7 Attribute #6, commodity . 104
C.2.8 Attribute #7, measurementKind . 106
C.2.9 Attribute #8, interharmonicNumerator . 113
C.2.10 Attribute #9, interharmonicDenominator . 113
C.2.11 Attribute #10, argumentNumerator . 114
C.2.12 Attribute #11, argumentDenominator . 114
C.2.13 Attribute #12, tou . 116
C.2.14 Attribute #13, cpp . 116
C.2.15 Attribute #14, consumptionTier . 117
C.2.16 Attribute #15, phases . 118
C.2.17 Attribute #16, multiplier . 122
C.2.18 Attribute #17, unit . 123
C.2.19 Attribute #18, currency . 140
C.3 Using data element attributes to define the ReadingType name –
Construction formula with example ReadingType codes . 140
Annex D (normative) Quality code enumerations . 146
D.1 General . 146
D.2 Identification of the system offering commentary on the data . 146
D.3 Construction . 146
D.4 Quality code system identifier . 146
D.5 Quality code categorization . 147
D.6 Quality code index . 148
D.7 Example quality codes . 158
Annex E (normative) EndDeviceEventType enumerations . 160
E.1 General . 160
E.2 Alarm conditions . 160
E.2.1 General . 160
E.2.2 Clearing alarm conditions and communicating state/condition changes . 160
E.3 Event data . 161
E.4 The 4-Part ID: EndDeviceEventType . 163
E.5 EndDeviceType . 163
E.6 EndDeviceDomain . 165
E.7 EndDeviceSubDomain . 166
E.8 EndDeviceEventOrAction . 172
E.9 Normative EndDeviceEventTypes . 180
Annex F (normative) EndDeviceControlType enumerations . 201
F.1 General . 201
F.2 Normative EndDeviceControlType Enumerations . 201
Annex G (normative) XML schemas for message payloads . 204
G.1 General . 204
G.2 ComModuleConfig . 204

– 4 – IEC 61968-9:2024 © IEC 2024
G.3 EndDeviceConfig . 204
G.4 EndDeviceControls . 204
G.5 EndDeviceEvents . 204
G.6 GetComModuleConfig . 205
G.7 GetEndDeviceConfig . 205
G.8 GetEndDeviceControls . 205
G.9 GetEndDeviceEvents . 205
G.10 GetEndDeviceGroups . 205
G.11 GetMeterConfig . 205
G.12 GetMeterReadings . 205
G.13 GetMeterReadSchedules . 205
G.14 GetUsagePointConfig . 206
G.15 GetUsagePointGroups . 206
G.16 GetUsagePointLocationConfig . 206
G.17 MasterDataLinkageConfig . 206
G.18 MeterConfig . 206
G.19 MeterReadings . 206
G.20 MeterReadSchedules . 206
G.21 UsagePointConfig . 206
G.22 UsagePointGroups . 207
G.23 UsagePointLocationConfig . 207
Annex H (normative) Querying data using Get profiles . 208
H.1 General . 208
H.2 GetMeterReadings . 208
H.3 GetEndDeviceConfig . 209
Annex I (informative) Master data management transaction processing . 211
Annex J (informative) Master data management use cases . 212
J.1 General . 212
J.2 Sample XML for Exemplary Master Data Management use cases . 228
J.2.1 General . 228
J.2.2 Create MeterConfig – Two Meters – Step 1 . 229
J.2.3 Create MeterConfig – Two Meters – Step 2 . 231
J.2.4 Create MeterConfig – Two Meters – Step 3 . 231
J.2.5 Create MeterConfig – Two Meters – Step 4 . 232
J.2.6 Update MeterConfig (add MeterMultipliers, modify formNumber and
ConfigurationEvent) – Step 1 . 233
J.2.7 Update MeterConfig (add MeterMultipliers, modify formNumber and
ConfigurationEvent) – Step 2 . 235
J.2.8 Update MeterConfig (add MeterMultipliers, modify formNumber and
ConfigurationEvent) – Step 3 . 236
J.2.9 UpdateMeterConfig (add MeterMultipliers, modify formNumber and
ConfigurationEvent) – Step 4 . 237
J.2.10 Update MeterConfig (delete details) – Step 1. 238
J.2.11 Update MeterConfig (delete details) – Step 2. 239
J.2.12 Update MeterConfig (delete details) – Step 3. 240
J.2.13 Update MeterConfig (delete details) – Step 4. 241
J.2.14 Delete MeterConfig – Step 1 . 242
J.2.15 Delete MeterConfig – Step 2 . 243
J.2.16 Delete MeterConfig – Step 3 . 244

J.2.17 Delete MeterConfig – Step 4 . 245
J.2.18 Create UsagePointConfig – Step 1 . 246
J.2.19 Create UsagePointConfig – Step 2 . 247
J.2.20 Create UsagePointConfig – Step 3 . 247
J.2.21 Create UsagePointConfig – Step 4 . 248
J.2.22 Create MasterDataLinkageConfig – Step 1 . 249
J.2.23 Create MasterDataLinkageConfig – Step 1 . 250
J.2.24 Create MasterDataLinkageConfig – Step 3 . 251
J.2.25 Create MasterDataLinkageConfig – Step 4 . 252
J.2.26 Delete MasterDataLinkageConfig – Step 1 . 253
J.2.27 Delete MasterDataLinkageConfig – Step 2 . 254
J.2.28 Delete MasterDataLinkageConfig – Step 3 . 255
J.2.29 Delete MasterDataLinkageConfig – Step 4 . 256
J.2.30 Execute OperationSet – Step 1 . 256
J.2.31 Execute OperationSet – Step 2 . 258
J.2.32 Execute OperationSet – Step 3 . 259
J.2.33 Execute OperationSet – Step 4 . 259
J.2.34 Change ObjectNamesConfig . 260
Annex K (normative) EUMED Metering UML Model . 261
K.1 EUMED Metering profile and associated European regulation . 261
K.1.1 The EUMED Metering profile . 261
K.1.2 The Associated European regulation . 261
K.2 EUMED Metering global view . 262
K.3 EUMED Metering Entities . 265
K.3.1 General . 265
K.3.2 MeterReadingSet Entity . 265
K.3.3 MeterReading Entity . 265
K.3.4 Meter Entity . 266
K.3.5 Customer Entity . 266
K.3.6 IntervalBlock Entity . 267
K.3.7 IntervalReading Entity . 267
K.3.8 ReadingQuality Entity . 268
K.3.9 UsagePoint Entity . 269
K.3.10 UsagePointLocation Entity . 269
K.3.11 ReadingType Entity . 270
K.3.12 Name Entity . 273
K.3.13 NameType Entity . 273
K.3.14 NameTypeAuthority Entity . 274
K.4 EUMED Metering Datatypes . 275
K.4.1 General . 275
K.4.2 AccumulationKind enumeration Datatype . 276
K.4.3 AggregateKind enumeration Datatype . 277
K.4.4 CommodityKind enumeration Datatype . 278
K.4.5 Currency enumeration Datatype . 279
K.4.6 CustomerKind enumeration Datatype . 282
K.4.7 DateTimeInterval compound Datatype . 283
K.4.8 FlowDirectionKind enumeration Datatype . 283
K.4.9 MacroPeriodKind enumeration Datatype . 285
K.4.10 MeasurementKind enumeration Datatype. 285

– 6 – IEC 61968-9:2024 © IEC 2024
K.4.11 MeasuringPeriodKind enumeration Datatype . 288
K.4.12 PhaseCode enumeration Datatype . 290
K.4.13 RationalNumber compound Datatype . 291
K.4.14 ReadingInterharmonic compound Datatype . 291
K.4.15 UnitMultiplier enumeration Datatype . 291
K.4.16 UnitSymbol enumeration Datatype . 292
Annex L (normative) EUMED Metering XSD schema . 298
L.1 EUMED Metering Entities global view . 298
L.1.1 General . 298
L.1.2 MeterReadingSet Entity . 298
L.1.3 MeterReading Entity . 298
L.1.4 Meter Entity . 299
L.1.5 Customer Entity . 299
L.1.6 IntervalBlock Entity . 300
L.1.7 IntervalReading Entity . 300
L.1.8 ReadingQuality Entity . 301
L.1.9 UsagePoint Entity . 302
L.1.10 UsagePointLocation Entity . 302
L.1.11 ReadingType Entity . 302
L.1.12 Name Entity . 303
L.1.13 NameType Entity . 304
L.1.14 NameTypeAuthority Entity . 304
L.2 EUMED Metering Entities description . 305
L.3 EUMED Metering Datatypes Description . 311
Annex M (informative) Contextualization and examples of EUMED metering messages . 351
M.1 Overview . 351
M.2 EUMED Metering Load Curve message payload . 351
M.3 EUMED Metering Max Power message payload . 352
M.4 EUMED Metering Index message payload . 352
Bibliography . 355

Figure 1 – IEC 61968-9 scope . 18
Figure 2 – Outage Detection, request/reply message exchange, Example 1 . 29
Figure 3 – Outage Detection, request / reply message exchange, Example 2 . 29
Figure 4 – Outage Detection, publish/subscribe exchange, Example 1 . 30
Figure 5 – Outage Detection, publish/subscribe exchange, Example 2 . 31
Figure 6 – Meter Health Event exchange, Example 1 . 32
Figure 7 – Meter Health Event exchange, Example 2 . 32
Figure 8 – Power quality event exchange, Example 1 . 33
Figure 9 – Power quality event exchange, Example 2 . 33
Figure 10 – End device event message format . 34
Figure 11 – EndDeviceEvents example . 35
Figure 12 – Example use of meter read schedule to create subscription . 36
Figure 13 – Example manual meter reading exchange . 37
Figure 14 – Example On-Request meter read . 39
Figure 15 – Historical MeterData exchange . 40

Figure 16 – Example billing inquiry message exchange . 40
Figure 17 – Meter readings message format . 41
Figure 18 – Reading structure . 44
Figure 19 – Timestamps assigned between systems . 45
Figure 20 – Conventions for timeStamp and timePeriod . 45
Figure 21 – IntervalBlock structure . 46
Figure 22 – Interval data timestamp generation . 47
Figure 23 – Time interval conventions . 47
Figure 24 – ReadingType structure . 48
Figure 25 – MeterReadings Example 1 . 49
Figure 26 – MeterReadings Example 2 . 50
Figure 27 – Coincident readings example . 51
Figure 28 – Final meter reading coincident with disconnect example . 51
Figure 29 – GetMeterReadings example . 52
Figure 30 – Meter read schedules message format . 53
Figure 31 – Example load control message exchange . 55
Figure 32 – Example message exchange for LC unit installation . 56
Figure 33 – Example message exchange for change of customer program . 57
Figure 34 – Example message exchange for change of customer program w/o MDM . 57
Figure 35 – Example for change of customer program with meter change out . 58
Figure 36 – Example message exchange for meter connect/disconnect . 59
Figure 37 – Example of remote connect/disconnect directly between CIS and MS . 60
Figure 38 – Example message exchange for real-time price signal . 61
Figure 39 – End device controls message format . 62
Figure 40 – EndDevice example . 63
Figure 41 – EndDeviceControl example . 64
Figure 42 – EndDeviceControls disconnect by group example . 64
Figure 43 – EndDeviceControls meter connection example . 65
Figure 44 – Example end device event message exchange due to meter changeout . 66
Figure 45 – Example firmware upgrade message exchange . 67
Figure 46 – Pairing of a PAN device . 68
Figure 47 – PAN device events . 69
Figure 48 – PAN device controls . 70
Figure 49 – Master data linkages . 72
Figure 50 – Message exchange for transferring usage point information . 73
Figure 51 – Message exchange for transferring meter information . 74
Figure 52 – Message exchange for transferring end device information . 74
Figure 53 – MasterDataLinkageConfig message format . 75
Figure 54 – MaterDataLinkageConfig example . 76
Figure 55 – UsagePointConfig message format . 77
Figure 56 – UsagePointConfig example . 78
Figure 57 – UsagePointLocationConfig message format . 79
Figure 58 – UsagePointLocationConfig example . 80

– 8 – IEC 61968-9:2024 © IEC 2024
Figure 59 – End device config message format . 81
Figure 60 – Meter configuration message . 82
Figure 61 – MeterConfig example . 83
Figure 62 – ComModuleConfig message format . 83
Figure C.1 – Typical enumerations for accumulation behaviour . 97
Figure C.2 – Typical enumerations for direction of flow . 104
Figure C.3 – Voltage measurements . 113
Figure E.1 – Event data . 162
Figure E.2 – Multiple EndDeviceEventDetails Example 1 . 162
Figure E.3 – EndDeviceEventDetails example 2 . 163
Figure E.4 – EndDeviceEvent Example 3 . 163
Figure H.1 – GetMeterReadings . 209
Figure H.2 – GetMeterConfig . 210
Figure J.1 – Create MeterConfig – Two Meters – Step 1 . 230
Figure J.2 – Create MeterConfig – Two Meters – Step 2 . 231
Figure J.3 – Create MeterConfig – Two Meters – Step 3 . 232
Figure J.4 – Create MeterConfig – Two Meters – Step 4 . 233
Figure J.5 – Create MeterConfig – Update MeterConfig (add MeterMultiplies, modify
formNumber and ConfigurationEvent) Step 1 . 234
Figure J.6 – Update MeterConfig (add MeterMultiplies, modify formNumber and
ConfigurationEvent) Step 2 . 235
Figure J.7 – Update MeterConfig (add MeterMultiplies, modify formNumber and
ConfigurationEvent) Step 3 . 236
Figure J.8 – Update MeterConfig (add MeterMultiplies, modify formNumber and
ConfigurationEvent) Step 4 . 237
Figure J.9 – Update MeterConfig (delete details) – Step 1 . 238
Figure J.10 – Update MeterConfig (delete details) – Step 2 . 239
Figure J.11 – Update MeterConfig (delete details) – Step 3 . 240
Figure J.12 – Update MeterConfig (delete details) – Step 4 . 241
Figure J.13 – Delete MeterConfig – Step 1 . 242
Figure J.14 – Delete MeterConfig – Step 2 . 243
Figure J.15 – Delete MeterConfig – Step 3 . 244
Figure J.16 – Delete MeterConfig – Step 4 . 245
Figure J.17 – Create UsagePointConfig – Step 1 . 246
Figure J.18 – Create UsagePointConfig – Step 2 . 247
Figure J.19 – Create UsagePointConfig – Step 3 . 247
Figure J.20 – Create UsagePointConfig – Step 4 . 248
Figure J.21 – Create MasterDataLinkageConfig – Step 1 . 249
Figure J.22 – Create MasterDataLinkageConfig – Step 2 . 250
Figure J.23 – Create MasterDataLinkageConfig – Step 3 . 251
Figure J.24 – Create MasterDataLinkageConfig – Step 4 . 252
Figure J.25 – Delete MasterDataLinkageConfig – Step 1 . 253
Figure J.26 – Delete MasterDataLinkageConfig – Step 2 . 254
Figure J.27 – Delete MasterDataLinkageConfig – Step 3 . 255

Figure J.28 – Delete MasterDataLinkageConfig – Step 4 . 256
Figure J.29 – Execute OperationSet – Step 1 . 258
Figure J.30 – Execute OperationSet – Step 2 . 258
Figure J.31 – Execute OperationSet – Step 3 . 259
Figure J.32 – Execute OperationSet – Step 4 . 260
Figure K.1 – EUMED Metering Class diagram . 264
Figure L.1 – MeterReadingSet schema for EUMED Metering . 298
Figure L.2 – The MeterReading schema used for EUMED Metering . 299
Figure L.3 – Meter Entity .
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