IEC 62601:2011
(Main)Industrial communication networks - Fieldbus specifications - WIA-PA communication network and communication profile
Industrial communication networks - Fieldbus specifications - WIA-PA communication network and communication profile
IEC 62061:2011(E) specifies the system architecture and the communication protocol of Wireless networks for Industrial Automation - Process Automation (WIA-PA) built on IEEE STD 802.15.4-2006. It cancels and replaces IEC/PAS 62601 published in 2009. This first edition constitutes a technical revision
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IEC 62601
®
Edition 1.0 2011-11
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications – WIA-PA
communication network and communication profile
IEC 62601:2011(E)
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IEC 62601
®
Edition 1.0 2011-11
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications – WIA-PA
communication network and communication profile
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XH
ICS 25.040.40; 35.100.05 ISBN 978-2-88912-788-7
® Registered trademark of the International Electrotechnical Commission
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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 Specification of data types . 21
4.1 Representation of boolean type . 21
4.2 Representation of unsigned integer type . 21
4.3 Representation of octet type . 21
4.4 Representation of floating point number type . 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 . 25
6.1 General . 25
6.2 Framework of system management . 27
6.3 Joining process . 28
6.3.1 Joining process of routing device . 28
6.3.2 Joining process of field device . 30
6.3.3 Addressing and address assignment . 31
6.4 Virtual Communication Relationship (VCR) . 31
6.4.1 Definition . 31
6.4.2 Protocol support for VCR . 32
6.4.3 VCR establishment . 33
6.4.4 VCR release . 33
6.5 Routing configuration and communication resource allocation . 33
6.5.1 Routing configuration. 33
6.5.2 Framework of communication resource allocation . 33
6.5.3 DLPDU priority and scheduling rules . 34
6.5.4 Communication resource allocation to routing device . 35
6.5.5 Communication resource allocation to field device . 35
6.6 Aggregation and disaggregation . 36
6.6.1 Aggregation . 36
6.6.2 Disaggregation . 38
6.6.3 An example of the two level aggregation process . 39
6.6.4 Management of aggregation and disaggregation objects. 41
6.7 Performance monitoring . 43
6.7.1 Path failure report . 43
6.7.2 Device status report . 43
6.7.3 Channel condition report. 44
6.8 Leaving process . 44
6.8.1 General . 44
6.8.2 Leaving process of routing device. 44
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62601 © IEC:2011(E) – 3 –
6.8.3 Leaving process of field device . 46
6.9 Management information base and services . 47
6.9.1 Management information base . 47
6.9.2 MIB services . 59
7 Physical Layer . 61
8 Data link layer . 62
8.1 General . 62
8.2 Protocol stack . 62
8.3 MAC overview and function extension . 62
8.3.1 MAC overview . 62
8.3.2 MAC function extension . 63
8.4 DLSL function description . 66
8.4.1 General . 66
8.4.2 Coexistence . 67
8.4.3 Timeslot communication . 67
8.4.4 WIA-PA superframe . 68
8.4.5 Frequency hopping . 68
8.4.6 Transmission of long cycle data . 70
8.4.7 Retry strategy . 71
8.4.8 Management service . 71
8.4.9 Radio link quality and channel condition measurement . 71
8.4.10 Security . 71
8.4.11 DLSL state machine . 71
8.5 Data link sub-layer data services . 73
8.5.1 General . 73
8.5.2 DLDE-DATA.request . 73
8.5.3 DLDE-DATA.confirm . 74
8.5.4 DLDE-DATA.indication . 75
8.5.5 Time sequence of DLSL data service . 76
8.6 Data link sub-layer management services. 77
8.6.1 General . 77
8.6.2 Network discovery services . 77
8.6.3 Device joining services . 79
8.6.4 Device leaving services . 81
8.6.5 DLME-CHANNEL-CONDITION.indication. 82
8.6.6 DLME-NEIGHBOR-INFO.indication . 83
8.6.7 DLME-COMM-STATUS.indication . 83
8.6.8 Keep-alive services . 84
8.6.9 Time synchronization services . 85
8.7 DLSL frame formats . 86
8.7.1 General frame format . 86
8.7.2 Date frame format. 86
8.7.3 Command frame format . 87
9 Network layer . 87
9.1 General . 87
9.2 Protocol stack . 87
9.3 Function description . 88
9.3.1 General . 88
9.3.2 Addressing . 88
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9.3.3 Routing . 89
9.3.4 Packet lifecycle management . 89
9.3.5 Joining and leaving network of device . 89
9.3.6 End-to-end network performance monitoring . 89
9.3.7 Fragmentation and reassembly . 90
9.3.8 Network layer state machine . 90
9.4 Network layer data services . 91
9.4.1 General . 91
9.4.2 NLDE-DATA.request . 91
9.4.3 NLDE-DATA.confirm . 91
9.4.4 NLDE-DATA.indication . 92
9.4.5 Time sequence of NL data services . 92
9.5 Network layer management services . 93
9.5.1 General . 93
9.5.2 Network communication status report services . 93
9.5.3 Network joining services . 95
9.5.4 Network leaving services . 101
9.5.5 Cluster member report services . 107
9.5.6 Neighbor information report services . 109
9.5.7 Route allocation services . 110
9.5.8 Communication resource allocation services . 116
9.5.9 Aggregation and disaggregation services . 131
9.5.10 Device status report services . 132
9.5.11 Channel condition report services . 134
9.5.12 Failure path report services . 136
9.5.13 Network attribute getting services . 137
9.5.14 Network attribute setting services . 140
9.6 Network layer packet formats . 143
9.6.1 Common packet format . 143
9.6.2 Data packet format . 144
9.6.3 Aggregated packet format . 144
9.6.4 Command packet format . 145
10 Application Layer . 160
10.1 Overview . 160
10.1.1 General . 160
10.1.2 AL structure . 160
10.1.3 Functions of UAP. 161
10.1.4 Functions of ASL . 161
10.2 UAP . 161
10.2.1 General . 161
10.2.2 UAO . 162
10.2.3 Method definition . 163
10.3 Application sub-layer . 166
10.3.1 General . 166
10.3.2 Application sub-layer data entity . 166
10.4 Application sub-layer packet formats . 171
10.4.1 General . 171
10.4.2 ASL general packet format . 172
10.4.3 Packet formats . 173
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11 Security . 175
11.1 General . 175
11.2 Security management framework . 175
11.3 Secure communication protocol stack . 176
11.3.1 General . 176
11.3.2 MAC layer security . 177
11.3.3 Data link sub-layer security . 177
11.3.4 Application sub-layer security . 179
11.4 Key management . 180
11.4.1 Key type . 180
11.4.2 Key distribution . 181
11.4.3 Key update . 181
11.4.4 Key status . 182
11.5 Secure joining process . 182
11.5.1 Secure joining process of a new WIA-PA device . 182
11.5.2 Device security material getting services . 183
11.6 Secure transportation . 187
11.6.1 Process of secure transportation from field device to host
configuration computer . 187
11.6.2 Process of secure transportation from host configuration computer to
field device . 188
Annex A (informative) Security strategy for WIA-PA network . 189
Annex B (informative) Format description for WIA-PA standard . 191
Annex C (informative) Example of UAO . 193
Bibliography . 195
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 . 29
Figure 9 – Joining process of field device through a gateway device . 30
Figure 10 – Joining process of field device through a routing device . 30
Figure 11 – Long address structure of device. 31
Figure 12 – Short address structure of routing device . 31
Figure 13 – Short address structure of field device . 31
Figure 14 – An example of resource allocation . 34
Figure 15 – Allocation process of routing device’s communication resources . 35
Figure 16 – Allocation process of field device’s communication resources . 36
Figure 17 – Example of aggregation and disaggregation . 40
Figure 18 – Process of path failure report . 43
Figure 19 – Device status report process of field device . 43
Figure 20 – Device status report process of routing device . 44
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Figure 21 – Process of channel condition report . 44
Figure 22 – Active leaving process of routing device . 45
Figure 23 – Passive leaving process of routing device . 45
Figure 24 – Active leaving process of field device (leaving from gateway device) . 46
Figure 25 – Active leaving process of field device (leaving from routing device) . 46
Figure 26 – Passive leaving process of field device (leaving from gateway device) . 47
Figure 27 – Passive leaving process of field device (leaving from routing device) . 47
Figure 28 – WIA-PA DLL protocol stack . 62
Figure 29 – WIA-PA DLSL reference model . 67
Figure 30 – WIA-PA superframe . 68
Figure 31 – R1, R2 and R3 superframe structures . 70
Figure 32 – An example of long cycle data transmission . 70
Figure 33 – DLSL state machine . 72
Figure 34 – Time sequence of data service . 76
Figure 35 – Time sequence of network discovery . 79
Figure 36 – General frame format . 86
Figure 37 – WIA-PA network layer protocol stack . 87
Figure 38 – WIA-PA Network layer reference model . 88
Figure 39 – Network layer state machine . 90
Figure 40 – Time sequence of NL data services . 93
Figure 41 – Time sequence for field device joining through routing device . 98
Figure 42 – One-hop joining process for routing device . 99
Figure 43 – Multi-hop join process of routing device . 100
Figure 44 – Active leaving process of field device (leaving routing device) . 103
Figure 45 – Passive leaving of field device . 104
Figure 46 – Active leaving process of routing device . 105
Figure 47 – Passive leaving process of routing device . 106
Figure 48 – Cluster member reporting process . 108
Figure 49 – Neighbor information reporting process . 110
Figure 50 – Time sequence for route adding . 112
Figure 51 – Time sequence for route updating . 114
Figure 52 – Time sequence for route deleting . 116
Figure 53 – Adding a link originated from gateway device to routing device . 119
Figure 54 – Adding a link originated from routing device to field device. 119
Figure 55 – Updating a link originated by gateway device to routing device . 121
Figure 56 – Updating a link originated from routing device to field device . 121
Figure 57 – Releasing a link originated from gateway device to routing device. 123
Figure 58 – Releasing a link originated from routing device to field device . 124
Figure 59 – Adding a superframe originated from gateway device to routing device . 126
Figure 60 – Adding a superframe originated from routing device to field device . 126
Figure 61 – Updating a superframe originated from gateway device to routing device . 128
Figure 62 – Updating a superframe originated from routing device to field device . 128
Figure 63 – Releasing a superframe originated from gateway device to routing device . 130
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62601 © IEC:2011(E) – 7 –
Figure 64 – Releasing a superframe originated from routing device to field devic
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