IEC 61850-8-2:2018

IEC 61850-8-2 ®
Edition 1.0 2018-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Communication networks and systems for power utility automation –
Part 8-2: Specific Communication Service Mapping (SCSM) – Mapping to
Extensible Messaging Presence Protocol (XMPP)

Réseaux et systèmes de communication pour l'automatisation des systèmes
électriques –
Partie 8-2: Mapping des services de communication spécifiques (SCSM) –
Mapping avec le protocole XMPP (Extensible Messaging Presence Protocol)

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IEC 61850-8-2 ®
Edition 1.0 2018-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Communication networks and systems for power utility automation –

Part 8-2: Specific Communication Service Mapping (SCSM) – Mapping to

Extensible Messaging Presence Protocol (XMPP)

Réseaux et systèmes de communication pour l'automatisation des systèmes

électriques –
Partie 8-2: Mapping des services de communication spécifiques (SCSM) –

Mapping avec le protocole XMPP (Extensible Messaging Presence Protocol)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.200 ISBN 978-2-8322-6158-3

– 2 – IEC 61850-8-2:2018  IEC 2018
CONTENTS
FOREWORD . 13
INTRODUCTION . 15
1 Scope . 16
1.1 General . 16
1.2 Namespace name and version . 16
1.3 Code Component distribution . 17
2 Normative references . 17
3 Terms and definitions . 19
4 Abbreviated terms . 21
5 Overview . 22
5.1 General . 22
5.2 Mapping of client/server services . 23
5.2.1 General . 23
5.2.2 XML payloads . 24
5.2.3 Implementation agreements . 25
5.2.4 XMPP . 25
5.3 Time sync services . 26
6 Usage of XMPP . 26
6.1 Principles . 26
6.2 Connection establishment . 26
6.2.1 General . 26
6.2.2 Usage of TLS and SASL . 26
6.2.3 Stream Compression . 27
6.3 Mapping of ACSI services . 27
6.4 Usage of XMPP presence . 28
6.5 Usage of the Roster . 28
6.6 XMPP extensions . 28
6.6.1 Usage of XMPP PING – XEP 0199 . 28
6.6.2 Usage of Stream Management – XEP 0198 . 28
6.7 Implementation agreements – XMPP PING – XEP 0199 . 28
7 End-to-end security . 29
8 Payload description . 29
8.1 XSD overview . 29
8.2 Objects of IEC 61850 . 29
8.2.1 General . 29
8.2.2 Logical Node (LN) . 30
8.2.3 Mapping of references of Logical Nodes to
VariableAccessSpecifications . 33
8.2.4 Mapping of DataObjects reference to VariableAccessSpecifications . 34
8.2.5 Mapping of DataAttributes (DataAttr) reference to
VariableAccessSpecifications . 35
8.2.6 Usage of alternate access for DataObjects and DataAttributes references . 35
8.3 Mapping of IEC 61850-7-2 data attributes . 40
8.3.1 BasicTypes . 40
8.3.2 Additional definitions of BasicType . 41
8.3.3 Common ACSITypes . 43

8.3.4 Mapping of quality common data attribute type specified in IEC 61850-7-2 . 54
8.4 General mapping of data values within XML payloads . 55
8.5 Extended behaviour for optimization of bandwidth . 56
9 Server class model . 56
9.1 General . 56
9.2 GetServerDirectory . 57
9.2.1 General . 57
10 Association model . 60
10.1 Association relation to communication profiles . 60
10.2 Two party association model for client/server communication profile . 61
10.2.1 Establishment of a secured end-to-end association . 61
10.2.2 Association services . 61
11 Logical device model . 66
11.1 General . 66
11.2 Response- . 68
11.3 Extended behaviour . 69
12 Logical Node model . 70
12.1 General . 70
12.2 GetLogicalNodeDirectory . 71
12.2.1 General . 71
12.2.2 Response- . 73
12.2.3 Extended behaviour . 73
12.3 GetAllDataValues . 76
12.3.1 General . 76
13 DataObject, DataAttribute, SubDataAttribute model . 79
13.1 General . 79
13.2 GetDataValues . 79
13.3 SetDataValues . 81
13.4 GetDataDirectory . 82
13.4.1 General . 82
13.4.2 Response- . 84
13.4.3 Extended behaviour . 85
13.5 GetDataDefinition . 87
14 Data set class model . 87
14.1 General . 87
14.2 GetDataSetValues . 88
14.2.1 General . 88
14.2.2 Response− . 90
14.3 SetDataSetValues . 91
14.3.1 General . 91
14.3.2 Response- . 92
14.4 CreateDataSet . 93
14.4.1 General . 93
14.4.2 Response− . 95
14.5 DeleteDataSet . 96
14.5.1 General . 96
14.5.2 Errors . 97
14.6 GetDataSetDirectory . 98

– 4 – IEC 61850-8-2:2018  IEC 2018
14.6.1 General . 98
14.6.2 Response- . 100
15 ServiceTracking model . 101
16 Setting group control class model . 104
16.1 Setting group control block definition . 104
16.2 Setting group control class services . 104
16.2.1 SelectActiveSG . 104
16.2.2 SelectEditSG . 106
16.2.3 SetEditSGValue . 106
16.2.4 ConfirmEditSGValues . 107
16.2.5 GetEditSGValue . 108
16.2.6 GetSGCBValues . 109
17 Reporting and logging class model . 110
17.1 Report model – Report control blocks . 110
17.1.1 Buffered report control block . 110
17.1.2 Unbuffered report control block . 112
17.2 Reporting services . 113
17.2.1 Report service . 113
17.2.2 GetBRCBValues . 116
17.2.3 SetBRCBValues . 119
17.2.4 GetURCBValues . 122
17.2.5 SetURCBValues . 122
17.3 Log model . 122
17.3.1 Overview . 122
17.3.2 Description of LCB attributes . 124
17.3.3 Mapping of log and log control services . 124
17.3.4 Conformance . 130
18 Mapping of the generic substation event model (GSE) – Generic object oriented
substation event (GOOSE) . 130
18.1 GOOSE control definition . 130
18.2 Specialization for Layer 2 GoCB . 131
18.3 Specialization for Routable GOOSE . 131
18.4 GOOSE services . 131
18.4.1 General . 131
18.4.2 GetGoCBValues . 131
18.4.3 SetGoCBValues . 131
19 Transmission of sampled values class model . 131
19.1 Sampled value control block . 131
19.1.1 General . 131
19.1.2 Specialization for Layer 2 Sampled value . 131
19.1.3 Specialization for Routable Sampled value . 132
19.1.4 Specialization for Unicast Sampled value . 132
19.2 Sampled value services . 132
19.2.1 General . 132
19.2.2 GetMSVCBValues . 132
19.2.3 SetMSVCBValues . 132
20 Control class model . 132
20.1 General . 132

20.2 Overview of control services mapping . 134
20.3 Select . 134
20.4 SelectWithValue . 136
20.4.1 SelectWithValue service parameter mapping . 136
20.4.2 General mapping of the SelectWithValue service . 136
20.4.3 SelectWithValue response– . 139
20.5 Cancel . 139
20.5.1 Cancel service parameter mapping . 139
20.5.2 General mapping of the Cancel service . 140
20.5.3 Cancel response– . 141
20.6 Operate . 142
20.6.1 Operate service parameter mapping . 142
20.6.2 General mapping of the Operate service . 142
20.6.3 Operate response– . 144
20.6.4 CommandTermination service parameter mapping . 144
20.6.5 General mapping of the CommandTermination service . 144
20.7 TimeActivatedOperate . 148
20.7.1 TimeActivatedOperate service parameter mapping . 148
20.7.2 Mapping of the TimeActivatedOperate service . 148
20.8 TimeActivatedOperateTermination service . 148
20.9 AdditionalCauseDiagnosis in negative control service responses . 149
20.10 Tracking of control services . 152
20.10.1 General . 152
20.10.2 Mapping of the Control service tracking (CTS) . 152
21 Time and time synchronization model . 153
22 Naming conventions . 153
23 File transfer . 153
23.1 File transfer model . 153
23.2 File services . 155
23.2.1 GetFile . 155
23.2.2 SetFile . 161
23.2.3 DeleteFile . 163
23.2.4 GetFileAttributeValues . 164
24 Conformance . 166
24.1 Notation . 166
24.2 PICS . 166
24.2.1 Profile conformance . 166
24.2.2 XML Payload conformance . 168
24.3 PICS Statement . 189
24.3.1 General . 189
24.3.2 Substation configuration language . 189
25 Substation Configuration Language (SCL) . 189
Annex A (normative) Communication stack . 190
A.1 Overview. 190
A.1.1 General . 190
A.1.2 XMPP communication profiles . 191
A.1.3 Non-XMPP communication profiles . 191
A.2 Communication stack . 192

– 6 – IEC 61850-8-2:2018  IEC 2018
A.2.1 Overview of the protocol usage . 192
A.2.2 Client/server services and communication profiles . 192
A.2.3 Time sync . 194
Annex B (informative) Deployment of XMPP infrastructure . 196
B.1 General . 196
B.2 Deployment of XMPP within one XMPP domain . 196
B.2.1 Use case facility . 196
B.2.2 Use case hierarchy within a facility . 197
B.3 Deployment of XMPP while interconnecting more than one XMPP domain . 198
B.3.1 Interconnection of XMPP Domain . 198
B.3.2 Definition of a federation communication between XMPP domains . 204
B.3.3 Interconnection of Domain with federation . 205
B.4 Communication path outage and recovery. 209
Annex C (informative) Security for DER integration based on XMPP . 210
C.1 General . 210
C.2 Assumptions and boundary conditions . 211
C.3 Derivation of security requirements . 211
C.4 Mapping of security options to XMPP based integration of DER . 212
C.5 Sequence diagrams . 213
C.5.1 General . 213
C.5.2 XMPP and Stream opening . 213
C.5.3 Stream establishment, ROSTER and presence . 214
C.5.4 Communication outage . 215
C.5.5 Request Response (Clear Transfer) . 218
Annex D (normative) Mapping of services and errors over XMPP stanzas . 220
Annex E (informative) Intentional deviations from IEC 61850-8-1 SCSM . 223
Annex F (informative) SCL conformance . 224
Annex G (normative) XML schema definitions for the XML payload . 225
G.1 General . 225
G.2 XML schema of the Virtual API for IEC 61850-8-2 . 225
G.3 XML schema of the applicative payload for IEC 61850-8-2 . 225
G.4 Extension of IEC 62351-4 when E2E security is turned off . 252
Bibliography . 253

Figure 1 – Overview of functionality and profiles . 22
Figure 2 – Example of XML Payload . 25
Figure 3 – Generic structure of client/server ACSI services . 27
Figure 4 – Algorithm for logical node mapping . 30
Figure 5 – Ordered list of functional constraints . 31
Figure 6 – Example of Logical Node type description . 32
Figure 7 – List of the flattened Named Variables corresponding to an LN . 33
Figure 8 – XML mapping of a LNReference with direct access . 34
Figure 9 – XML mapping of a LNReference with alternate access . 34
Figure 10 – Direct XML mapping of a FCD . 35
Figure 11 – Direct XML mapping of a FCDA . 35
Figure 12 – Alternate access without array element . 36

Figure 13 – Alternate access with array element . 38
Figure 14 – Alternate access with flattened variable and array element . 39
Figure 15 – XML structure of GetServerDirectory-Request (LD) . 58
Figure 16 – XML structure of GetServerDirectory-Response (LD) . 58
Figure 17 – XML structure of GetServerDirectory-Request (FILE) . 60
Figure 18 – XML structure of GetServerDirectory-Response (FILE). 60
Figure 19 – XML structure of Associate-Request. 63
Figure 20 – XML structure of Associate-Response . 63
Figure 21 – XML structure of GetLogicalDeviceDirectory-Request . 68
Figure 22 – XML structure of GetLogicalDeviceDirectory-Response . 68
Figure 23 – XML structure of extended GetLogicalDeviceDirectory-Request . 70
Figure 24 – XML structure of extended GetLogicalDeviceDirectory-Response . 70
Figure 25 – XML structure of GetLogicalNodeDirectory-Request . 72
Figure 26 – XML structure of GetLogicalNodeDirectory-Response . 73
Figure 27 – XML structure of extended GetLogicalNodeDirectory-Request (step 1) . 75
Figure 28 – XML structure of extended GetLogicalNodeDirectory-Response (step 1) . 75
Figure 29 – XML structure of extended GetLogicalNodeDirectory-Request (step 2) . 75
Figure 30 – XML structure of extended GetLogicalNodeDirectory-Response (step 2) . 76
Figure 31 – XML structure of GetAllDataValues-Request . 78
Figure 32 – XML structure of GetAllDataValues-Response . 79
Figure 33 – XML structure of GetDataValues-Request . 80
Figure 34 – XML structure of GetDataValues-Response. 81
Figure 35 – XML structure of SetDataValues-Request. 82
Figure 36 – XML structure of SetDataValues-Response . 82
Figure 37 – XML structure of GetDataDirectory-Request . 83
Figure 38 – XML structure of GetDataDirectory-Response . 84
Figure 39 – XML structure of extended GetDataDirectory-Request. 86
Figure 40 – XML structure of extended GetDataDirectory-Response . 87
Figure 41 – Mapping of reference to persistent data set within logical device . 87
Figure 42 – Mapping of reference to persistent data set ouside logical device . 88
Figure 43 – Mapping of reference to non-persistent data set . 88
Figure 44 – XML structure of GetDataSetValues-Request . 89
Figure 45 – XML structure of GetDataSetValues-Response . 90
Figure 46 – XML structure of SetDataSetValues-Request . 92
Figure 47 – XML structure of SetDataSetValues-Response . 92
Figure 48 – XML structure of CreateDataSet-Request . 94
Figure 49 – XML structure of CreateDataSet-Response . 95
Figure 50 – XML structure of DeleteDataSet-Request . 97
Figure 51 – XML structure of DeleteDataSet-Response . 97
Figure 52 – XML structure of GetDataSetDirectory-Request . 99
Figure 53 – XML structure of GetDataSetDirectory-Response . 100
Figure 54 – XML structure of SelectActiveSG-Request. 105
Figure 55 – XML structure of SelectActiveSG-Response+ . 105

– 8 – IEC 61850-8-2:2018  IEC 2018
Figure 56 – XML structure of SelectActiveSG-Response- . 105
Figure 57 – XML structure of SelectEditSG-Request . 106
Figure 58 – XML structure of SetEditSGValue-Request . 107
Figure 59 – XML structure of ConfirmEditSGValues . 108
Figure 60 – XML structure of GetEditSGValue-Request . 108
Figure 61 – XML structure of GetEditSGValue-Response . 109
Figure 62 – XML structure of GetSGCBValues-Request . 109
Figure 63 – XML structure of GetSGCBValues-Response . 110
Figure 64 – XML structure of Report . 115
Figure 65 – XML structure of GetBRCBValues-Request . 117
Figure 66 – XML structure of GetBRCBValues-Response . 119
Figure 67 – XML structure of SetBRCBValues-Request . 121
Figure 68 – XML structure of SetBRCBValues-Response . 122
Figure 69 – Relationship of LCB attributes to IEC 61850-7-2 log definitions . 123
Figure 70 – XML structure of QueryLogByTime-Request . 126
Figure 71 – XML structure of QueryLogByTime-Response . 127
Figure 72 – XML structure of QueryLogAfter-Request . 129
Figure 73 – XML structure of Select-Request . 135
Figure 74 – XML structure of Select-Response . 136
Figure 75 – XML structure of SelectWithValue-Request . 138
Figure 76 – XML structure of SelectWithValue-Response+ . 139
Figure 77 – XML structure of SelectWithValue-Response- . 139
Figure 78 – XML structure of CommandTermination Request+ . 146
Figure 79 – XML structure of CommandTermination Request-. 148
Figure 80 – XML structure of InformationReport with AdditionalCauseDiagnosis . 150
Figure 81 – Mapping of ACSI GetFile to FileOpen, FileRead, FileClose . 156
Figure 82 – XML example of FileOpen Request . 158
Figure 83 – XML example of FileOpen Response+ . 158
Figure 84 – XML example of FileRead Request (first) . 158
Figure 85 – XML example of FileRead Response+ (first) . 159
Figure 86 – XML example of FileRead Request (second) . 159
Figure 87 – XML example of FileRead Response+ (second) . 159
Figure 88 – XML example of FileClose Request . 159
Figure 89 – XML example of FileClose Response . 159
Figure 90 – Mapping of ACSI SetFile service . 161
Figure 91 – XML example of ObtainFile Request . 162
Figure 92 – XML example of ObtainFile Response . 162
Figure 93 – XML example of DeleteFile Request . 164
Figure 94 – XML example of DeleteFile Response . 164
Figure 95 – XML example of GetFileAttributeValues Request . 165
Figure 96 – XML example of GetFileAttributeValues Response . 166
Figure 97 – VariableSpecification for LDevice/MHAI1.HA.phsAHar(7).cVal.mag.f . 178

Figure 98 – Shorter VariableSpecification for
LDevice/MHAI1.HA.phsAHar(7).cVal.mag.f .
...