IEC 62601:2015

IEC 62601 ®
Edition 2.0 2015-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Wireless communication network and communication
profiles – WIA-PA
Réseaux industriels – Réseau de communications sans fil et profils de
communication – WIA-PA
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IEC 62601 ®
Edition 2.0 2015-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Wireless communication network and communication

profiles – WIA-PA
Réseaux industriels – Réseau de communications sans fil et profils de

communication – WIA-PA
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40 ; 35.100.05 ISBN 978-2-8322-3040-4

– 2 – IEC 62601:2015 © IEC 2015
CONTENTS
FOREWORD . 13
1 Scope . 15
2 Normative references . 15
3 Terms, definitions and abbreviations . 15
3.1 Terms and definitions . 15
3.2 Abbreviations . 19
4 Definition of data types . 21
5 WIA-PA overview . 22
5.1 Device types . 22
5.2 Network topology . 22
5.3 Protocol architecture . 24
5.4 Interconnection . 25
6 System management . 26
6.1 General . 26
6.2 Framework of system management . 27
6.3 Joining process . 28
6.3.1 Provisioning process . 28
6.3.2 Joining process of routing device . 29
6.3.3 Joining process of field device . 30
6.3.4 Addressing and address assignment. 31
6.4 Virtual Communication Relationship (VCR) . 32
6.4.1 Definition . 32
6.4.2 Protocol support for VCR . 33
6.4.3 VCR establishment . 33
6.4.4 VCR release . 34
6.5 Routing configuration and communication resource allocation . 34
6.5.1 Routing configuration . 34
6.5.2 Framework of communication resource allocation . 34
6.5.3 DLPDU priority and scheduling rules . 35
6.5.4 Communication resource allocation to routing device . 35
6.5.5 Communication resource allocation to field device . 37
6.6 Aggregation and disaggregation . 39
6.6.1 Aggregation . 39
6.6.2 Disaggregation . 41
6.6.3 An example of the two level aggregation process . 41
6.6.4 Management of aggregation and disaggregation objects . 43
6.7 Performance monitoring . 45
6.7.1 Path failure report . 45
6.7.2 Device status report . 45
6.7.3 Channel condition report . 46
6.8 Leaving process . 46
6.8.1 General . 46
6.8.2 Leaving process of routing device . 46
6.8.3 Leaving process of field device . 48
6.9 Management information base and services . 49
6.9.1 Management information base . 49

6.9.2 MIB services . 63
7 Physical layer . 65
7.1 General . 65
7.2 General requirements based on IEEE STD 802.15.4-2011 . 66
7.3 Additional requirements . 67
7.3.1 General . 67
7.3.2 Frequency allocations . 67
7.3.3 Channel numbers and frequency assignments . 67
7.3.4 Radio transceivers . 67
7.3.5 Unspecified or improved required radio performance . 67
7.3.6 Transmit power . 68
7.3.7 Output power control . 68
7.3.8 Receiver sensitivity . 68
7.3.9 PHY PIB attributes . 68
8 Data link layer . 69
8.1 General . 69
8.2 Protocol stack . 69
8.3 MAC overview and function extension . 70
8.3.1 MAC overview . 70
8.3.2 General requirements based on IEEE STD 802.15.4-2011 . 70
8.3.3 MAC function extension . 73
8.4 DLSL function description . 74
8.4.1 General . 74
8.4.2 Coexistence . 75
8.4.3 Timeslot communication . 75
8.4.4 WIA-PA superframe . 76
8.4.5 Frequency hopping . 76
8.4.6 Transmission of long cycle data . 78
8.4.7 Retry strategy . 79
8.4.8 Management service . 79
8.4.9 Radio link quality and channel condition measurement . 79
8.4.10 Security . 80
8.4.11 Country code . 80
8.4.12 DLSL state machine . 80
8.5 Data link sub-layer data services . 86
8.5.1 General . 86
8.5.2 DLDE-DATA.request . 86
8.5.3 DLDE-DATA.confirm . 87
8.5.4 DLDE-DATA.indication . 88
8.5.5 Time sequence of DLSL data service . 89
8.6 Data link sub-layer management services . 90
8.6.1 General . 90
8.6.2 Network discovery services . 90
8.6.3 Device joining services . 92
8.6.4 Device leaving services . 94
8.6.5 DLME-CHANNEL-CONDITION.indication . 96
8.6.6 DLME-NEIGHBOUR-INFO.indication . 96
8.6.7 DLME-COMM-STATUS.indication . 97
8.6.8 Keep-alive services . 97

– 4 – IEC 62601:2015 © IEC 2015
8.6.9 Time synchronization services . 98
8.7 DLSL frame formats . 99
8.7.1 General frame format . 99
8.7.2 Date frame format . 100
8.7.3 Command frame format . 100
9 Network layer . 102
9.1 General . 102
9.2 Protocol stack . 102
9.3 Function description . 103
9.3.1 General . 103
9.3.2 Addressing . 103
9.3.3 Routing . 104
9.3.4 Packet lifecycle management . 104
9.3.5 Joining and leaving network of device . 104
9.3.6 End-to-end network performance monitoring . 105
9.3.7 Fragmentation and reassembly . 105
9.3.8 Network layer state machine . 105
9.4 Network layer data services . 110
9.4.1 General . 110
9.4.2 NLDE-DATA.request . 110
9.4.3 NLDE-DATA.confirm . 111
9.4.4 NLDE-DATA.indication . 111
9.4.5 Time sequence of NL data services . 112
9.5 Network layer management services . 112
9.5.1 General . 112
9.5.2 Network communication status report services . 112
9.5.3 Network joining services . 115
9.5.4 Networkleaving services . 120
9.5.5 Cluster member report services . 124
9.5.6 Neighbour information report services . 126
9.5.7 Route allocation services . 128
9.5.8 Communication resource allocation services. 134
9.5.9 Aggregation and disaggregation services. 150
9.5.10 Device status report services . 151
9.5.11 Channel condition report services . 153
9.5.12 Failure path report services . 155
9.5.13 Network attribute getting services . 156
9.5.14 Network attribute setting services . 160
9.6 Network layer packet formats . 163
9.6.1 Common packet format . 163
9.6.2 Data packet format . 164
9.6.3 Aggregated packet format . 165
9.6.4 Command packet format . 165
10 Application layer . 182
10.1 Overview. 182
10.1.1 General . 182
10.1.2 AL structure . 182
10.1.3 Functions of UAP . 182
10.1.4 Functions of ASL . 183

10.2 UAP . 183
10.2.1 General . 183
10.2.2 UAO . 183
10.2.3 Method definition . 184
10.3 Application sub-layer . 188
10.3.1 General . 188
10.3.2 Application sub-layer data entity . 188
10.4 Application sub-layer packet formats . 193
10.4.1 General . 193
10.4.2 ASL general packet format . 193
10.4.3 Packet formats . 195
11 Security . 196
11.1 General . 196
11.2 Security management framework . 197
11.3 Secure communication protocol stack . 198
11.3.1 General . 198
11.3.2 Data link sub-layer security . 199
11.3.3 Application sub-layer security . 200
11.4 Key management . 201
11.4.1 Key type . 201
11.4.2 Key distribution . 202
11.4.3 Key update . 202
11.4.4 Key status . 202
11.5 Secure joining process . 203
11.5.1 Secure joining process of a new WIA-PA device . 203
11.5.2 Device security material getting services . 204
11.6 Secure transportation . 211
11.6.1 Process of secure transportation from field device to host configuration
computer . 211
11.6.2 Process of secure transportation from host configuration computer to
field device . 212
Annex A (informative) Security strategy for WIA-PA network . 213
A.1 Risk analysis for WIA-PA network . 213
A.2 Security principles for WIA-PA network . 213
A.3 Security objectives for WIA-PA network . 213
A.4 Graded and layered security system . 213
Annex B (informative) Format description . 215
B.1 Time sequence diagram . 215
B.2 Packet or frame format . 215
Annex C (informative) Example of UAO . 217
C.1 General . 217
C.2 Analog input object . 217
C.2.1 Overview . 217
C.2.2 Class attribute of AIO . 217
C.2.3 Instance attribute of AIO . 217
Annex D (informative) Country-specific and region-specific provisions . 219
Annex E (informative) Regional modification for compliance with ETSI standards . 220
E.1 General . 220
E.2 Compliance with EN 300 440-2 V1.4.1 . 220

– 6 – IEC 62601:2015 © IEC 2015
E.3 Compliance with EN 300 328 V1.8.1 . 220
Bibliography . 222

Figure 1 – Example of WIA-PA physical topology (combination of star and mesh) . 23
Figure 2 – Example of WIA-PA physical topology (star-only) . 23
Figure 3 – OSI basic reference model mapped to WIA-PA . 24
Figure 4 – The architecture of WIA-PA gateway . 25
Figure 5 – DMAP in system management . 26
Figure 6 – Hybrid centralized and distributed system management scheme . 28
Figure 7 – Joining process of routing device through the gateway device . 29
Figure 8 – Joining process of routing device through an online routing device . 30
Figure 9 – Joining process of field device through a gateway device . 31
Figure 10 – Joining process of field device through a routing device . 31
Figure 11 – Long address structure of device . 31
Figure 12 – Short address structure of routing device . 32
Figure 13 – Short address structure of field device . 32
Figure 14 – An example of resource allocation . 35
Figure 15 – Allocation process of routing device’s communication resources . 36
Figure 16 – Allocation process of field device’s communication resources . 38
Figure 17 – Example of aggregation and disaggregation . 42
Figure 18 – Process of path failure report . 45
Figure 19 – Device status report process of field device . 45
Figure 20 – Device status report process of routing device . 46
Figure 21 – Process of channel condition report . 46
Figure 22 – Active leaving process of routing device . 47
Figure 23 – Passive leaving process of routing device . 47
Figure 24 – Active leaving process of field device (leaving from gateway device) . 48
Figure 25 – Active leaving process of field device (leaving from routing device) . 48
Figure 26 – Passive leaving process of field device (leaving from gateway device) . 49
Figure 27 – Passive leaving process of field device (leaving from routing device) . 49
Figure 28 – WIA-PA DLL protocol stack . 69
Figure 29 – WIA-PA DLSL reference model . 75
Figure 30 – WIA-PA superframe . 76
Figure 31 – R1, R2 and R3 superframe structures . 78
Figure 32 – An example of long cycle data transmission . 79
Figure 33 – DLSL state machine for device joining . 81
Figure 34 – DLSL state machine for in-network running . 83
Figure 35 – Time sequence of data service . 89
Figure 36 – Time sequence of network discovery . 92
Figure 37 – General frame format . 99
Figure 38 – WIA-PA network layer protocol stack . 102
Figure 39 – WIA-PA network layer reference model . 103
Figure 40 – Network layer state machine . 105

Figure 41 – Time sequence of NL data services . 112
Figure 42 – Time sequence for field device joining through routing device . 118
Figure 43 – One-hop joining process for routing device . 119
Figure 44 – Multi-hop join process of routing device . 119
Figure 45 – Active leaving process of field device (leaving routing device) . 122
Figure 46 – Passive leaving of field device . 122
Figure 47 – Active leaving process of routing device . 123
Figure 48 – Passive leaving process of routing device . 123
Figure 49 – Cluster member reporting process . 126
Figure 50 – Neighbour information reporting process . 128
Figure 51 – Time sequence for route adding . 130
Figure 52 – Time sequence for route updating . 132
Figure 53 – Time sequence for route deleting . 134
Figure 54 – Adding a link originating from gateway device to routing device . 137
Figure 55 – Adding a link originating from routing device to field device . 137
Figure 56 – Updating a link originating by gateway device to routing device . 139
Figure 57 – Updating a link originating from routing device to field device . 140
Figure 58 – Releasing a link originating from gateway device to routing device . 142
Figure 59 – Releasing a link originating from routing device to field device . 142
Figure 60 – Adding a superframe originating from gateway device to routing device . 144
Figure 61 – Adding a superframe originating from routing device to field device. 144
Figure 62 – Updating a superframe originating from gateway device to routing device . 146
Figure 63 – Updating a superframe originating from routing device to field device . 147
Figure 64 – Releasing a superframe originating from gateway device to routing device. 149
Figure 65 – Releasing a superframe originating from routing device to field device . 149
Figure 66 – Device status reporting process from field device to routing device . 152
Figure 67 – Device status reporting process from routing device to gateway device . 153
Figure 68 – Channel condition reporting process from field device to routing device . 154
Figure 69 – Channel condition reporting process from routing device to gateway device . 155
Figure 70 – Failure path reporting process . 156
Figure 71 – AL structure . 182
Figure 72 – User application process . 183
Figure 73 – C/S communication process . 191
Figure 74 – P/S communication process (disable aggregation function) . 192
Figure 75 – P/S communication process (enable aggregation function) . 192
Figure 76 – R/S communication process . 193
Figure 77 – Security management framework of WIA-PA network . 197
Figure 78 – Security communication protocol stack . 199
Figure 79 – Key lifecycle . 202
Figure 80 – Secure joining process of WIA-PA device . 203
Figure 81 – Time sequence for field device joining (field device to routing device) . 207
Figure 82 – Time sequence for field device joining (routing device to gateway device) . 208
Figure 83 – One-hop joining process for routing device . 209

– 8 – IEC 62601:2015 © IEC 2015
Figure 84 – Multi-hop join process of routing device (new routing device to routing
device) . 210
Figure 85 – Multi-hop join process of routing device (routing device to gateway device) . 211
Figure B.1 – Time sequence diagram . 215

Table 1 – Definition of data types . 22
Table 2 – Protocol support for VCR . 33
Table 3 – Relations between VCR and aggregation function . 39
Table 4 – Format of aggregated data followed by field device’s DAGO. 41
Table 5 – Format of aggregated packet followed by routing device’s PAGO . 41
Table 6 – DAGO class attributes . 43
Table 7 – DAGO instance attributes . 43
Table 8 – MEM_STRUCT structure . 44
Table 9 – PAGO class attributes . 44
Table 10 – PAGO instance attributes . 44
Table 11 – DGO class attributes . 44
Table 12 – DGO instance attributes . 45
Table 13 – Unstructured attributes (1 of 5) . 50
Table 14 – Structured attributes . 55
Table 15 – NLRoute_Struct structure . 56
Table 16 – Superframe_Struct structure . 56
Table 17 – Link_Struct structure . 57
Table 18 – Neighbour_Struct structure . 58
Table 19 – ChanCon_Struct structure . 58
Table 20 – Device_struct structure (1 of 3) . 59
Table 21 – VCR_Struct structure . 61
Table 22 – DevConRep_Struct structure . 62
Table 23 – Key_Struct structure . 62
Table 24 – ObjList_Struct structure . 62
Table 25 – DMAP-MIB-GET.request parameters . 63
Table 26 – DMAP-MIB-GET.confirm parameters . 64
Table 27 – DMAP-MIB-SET.request parameters . 64
Table 28 – DMAP-MIB-SET.confirm parameters . 65
Table 29 – PHY protocol selection . 66
Table 30 – Frequency band and data rate . 67
Table 31 – Frequency assignments . 67
Table 32 – PHY PIB attributes (1 of 2) . 68
Table 33 – MAC protocol selection (1 of 2) . 71
Table 34 – MAC PIB attributes . 73
Table 35 – MAC extended PIB attributes . 73
Table 36 – Beacon payload . 74
Table 37 – Format of Capability Information field . 74
Table 38 – Hopping mechanisms . 77

Table 39 – DLSL state transitions for device joining . 82
Table 40 – DLSL state transitions for in-network running (1 of 3) . 83
Table 41 – DLDE-DATA.re
...