1、BSI Standards Publication Industrial networks Wireless communication network and communication profiles WIA-FA PD IEC/PAS 62948:2015National foreword This Published Document is the UK implementation of IEC/PAS 62948:2015. The UK participation in its preparation was entrusted to Technical Committee A
2、MT/7, Industrial communications: process measurement and control, including fieldbus. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
3、its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 87640 0 ICS 25.040.40; 35.100.01 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the
4、Standards Policy and Strategy Committee on 31 May 2015. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD IEC/PAS 62948:2015 IEC PAS 62948 Edition 2.0 2015-04 PUBLICLY AVAILABLE SPECIFICATION PRE-STANDARD Industrial networks Wireless communication network and co
5、mmunication profiles WIA-FA INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 25.040.40; 35.100.01 ISBN 978-2-8322-2477-9 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside PD IEC/PAS 6
6、2948:2015 2 IEC PAS 62948:2015 IEC 2015 CONTENTS FOREWORD . 12 1 Scope 14 2 Normative references 14 3 Terms, definitions, abbreviations, and conventions 14 3.1 Terms and definitions 14 3.2 Abbreviations 17 3.3 Conventions 19 4 Data coding . 20 4.1 Overview. 20 4.2 Basic data type coding 21 4.2.1 Int
7、eger coding 21 4.2.2 Unsigned coding 21 4.2.3 Float coding . 22 4.2.4 Octetstring coding . 23 4.2.5 Bit Field coding 23 4.2.6 TimeData coding . 23 4.2.7 KeyData coding . 23 4.3 Structured data type coding 24 4.3.1 Structure type coding . 24 4.3.2 List type coding . 24 5 WIA-FA overview . 24 5.1 Devi
8、ce types . 24 5.1.1 Host computer . 24 5.1.2 Gateway device . 24 5.1.3 Access device . 24 5.1.4 Field device . 25 5.1.5 Handheld device 25 5.2 Network topology 25 5.3 Protocol architecture . 26 6 System management . 28 6.1 Overview. 28 6.2 Device Management Application Process 28 6.2.1 Network manag
9、er 31 6.2.2 Security manager 31 6.2.3 Network management module 31 6.2.4 Security management module 31 6.2.5 DMAP state machines . 31 6.3 Addressing and address assignment . 42 6.4 Communication resource allocation . 42 6.4.1 General . 42 6.4.2 Communication resource allocation . 43 6.5 Joining and
10、leave process of field device 44 6.5.1 Joining process of a field device 44 6.5.2 Communication resource allocation to field device . 45 6.5.3 Leaving process of a field device . 45 6.6 Network performance monitoring . 46 PD IEC/PAS 62948:2015IEC PAS 62948:2015 IEC 2015 3 6.6.1 Device status report
11、. 46 6.6.2 Channel condition report 47 6.7 Management information base and services 47 6.7.1 Management information base . 47 6.7.2 MIB services 57 7 Physical layer 61 7.1 General . 61 7.2 General requirements based on IEEE STD 802.11-2012 . 61 7.3 Additional requirements 62 7.3.1 General . 62 7.3.2
12、 Frequency band . 62 7.3.3 Channel bitmap . 62 7.3.4 Transmission power . 63 7.3.5 Data rate . 63 8 Data Link Layer . 64 8.1 General . 64 8.1.1 Protocol architecture 64 8.1.2 WIA-FA superframe . 64 8.1.3 Communication based on multiple access devices . 67 8.1.4 Time synchronization . 68 8.1.5 Aggreg
13、ation/Disaggregation . 69 8.1.6 Retransmission 70 8.2 Data link sub-layer data services 73 8.2.1 General . 73 8.2.2 DLDE-DATA.request primitive 73 8.2.3 DLDE-DATA.indication primitive 74 8.2.4 Time sequence of DLL data service . 75 8.3 Data link sub-layer management services . 76 8.3.1 General . 76
14、8.3.2 Network discovery services . 76 8.3.3 Time synchronization services . 78 8.3.4 Device joining services 80 8.3.5 Device status report services . 83 8.3.6 Channel condition report services 85 8.3.7 Remote attribute get services 86 8.3.8 Remote attribute configuration services . 90 8.3.9 Device l
15、eaving services . 93 8.4 DLL frame formats 94 8.4.1 General frame format . 94 8.4.2 Date frame format 96 8.4.3 Aggregation frame format 96 8.4.4 NACK frame format . 97 8.4.5 GACK frame format . 97 8.4.6 Beacon frame format . 97 8.4.7 Join request frame format 98 8.4.8 Join response frame format . 98
16、 8.4.9 Leave request frame format . 98 8.4.10 Device status report frame format 99 8.4.11 Channel condition report frame format . 99 PD IEC/PAS 62948:2015 4 IEC PAS 62948:2015 IEC 2015 8.4.12 Time synchronization request frame format . 99 8.4.13 Time synchronization response frame format . 99 8.4.14
17、 Remote attribute get request frame format . 100 8.4.15 Remote attribute get response frame format 100 8.4.16 Remote attribute set request frame format . 101 8.4.17 Remote attribute set response frame format 101 8.5 Data link layer state machines 101 8.5.1 DLL state machine of access field . 101 8.5
18、.2 DLL state machine of field device 105 8.5.3 Functions used in DLL state transitions . 110 9 Wired specifications between GW and AD . 111 9.1 Overview. 111 9.2 Join process of access device . 111 9.3 Frame formats between GW and AD . 111 10 Application Layer . 113 10.1 Overview. 113 10.2 AL protoc
19、ol stack 114 10.3 AL functions 114 10.3.1 Data function . 114 10.3.2 Management function 114 10.3.3 Communication mode 115 10.4 Application data 115 10.4.1 General . 115 10.4.2 Process data . 116 10.4.3 Event data . 117 10.5 User application process . 118 10.5.1 General . 118 10.5.2 User application
20、 object 119 10.5.3 IO data images on gateway device 119 10.5.4 Alarm mechanism 120 10.5.5 Application configuration process 120 10.6 Application services 126 10.6.1 Confirmed services and unconfirmed services . 126 10.6.2 READ service 127 10.6.3 WRITE service . 128 10.6.4 PUBLISH Service 129 10.6.5
21、REPORT Service . 130 10.6.6 REPORT ACK 131 10.7 Application sublayer 132 10.7.1 Overview . 132 10.7.2 ASL data service . 132 10.7.3 ASL packet format . 135 11 Security . 155 11.1 General . 155 11.1.1 Security management architecture . 155 11.1.2 Security functions 156 11.1.3 Keys 156 11.2 Security s
22、ervices 157 11.2.1 General . 157 PD IEC/PAS 62948:2015IEC PAS 62948:2015 IEC 2015 5 11.2.2 Key establish service . 158 11.2.3 Key update service 160 11.2.4 Security alarm service . 162 11.3 Secure join . 164 11.3.1 General . 164 11.3.2 Secure join process of FD 164 11.4 Key management 165 11.4.1 Gen
23、eral . 165 11.4.2 Key establish process 165 11.4.3 Key update process . 166 11.5 DLL secure communication . 168 11.6 Security alarm . 169 11.7 Secure frame format . 169 11.7.1 General secure DLL frame format 169 11.7.2 Secure aggregation frame format . 171 11.7.3 Key establish request frame format 1
24、72 11.7.4 Key establish response frame format . 172 11.7.5 Key update request frame format . 172 11.7.6 Key update response frame format 173 11.7.7 Security alarm request frame format 173 Annex A (informative) Security strategy for WIA-FA network . 174 A.1 Risk analysis for WIA-FA network . 174 A.2
25、Security principles for WIA-FA network . 174 A.3 Security objectives for WIA-FA network 174 A.4 Security grade of WIA-FA network 175 Annex B (informative) Regional modification for compliance with ETSI standards 176 B.1 General . 176 B.2 Compliance with ETSI EN 300 440-2 V1.4.1 . 176 B.3 Compliance
26、with ETSI EN 300 328 V1.8.1. 176 Bibliography 180 Figure 1 Conventions used for state machines . 19 Figure 2 Integer coding 21 Figure 3 Unsigned coding 21 Figure 4 Single float coding . 22 Figure 5 Double float coding 22 Figure 6 WIA-FA enhanced star topology . 25 Figure 7 OSI basic reference model
27、mapped to WIA-FA . 26 Figure 8 Protocol architecture of WIA-FA . 27 Figure 9 Data flow over WIA-FA network 27 Figure 10 System management scheme . 28 Figure 11 DMAP of management system 29 Figure 12 DMAP state machine of gateway device . 32 Figure 13 DMAP state machine of gateway device for each fie
28、ld device . 33 Figure 14 DMAP state machine of a field device 37 Figure 15 Long address structure of device 42 PD IEC/PAS 62948:2015 6 IEC PAS 62948:2015 IEC 2015 Figure 16 Joining process of field device . 44 Figure 17 Communication resource allocation process for a field device 45 Figure 18 Passiv
29、e leave process of a field device 46 Figure 19 Device status report process of field device . 46 Figure 20 Channel condition report process of field device 47 Figure 21 BitMap format . 62 Figure 22 WIA-FA DLL protocol architecture 64 Figure 23 The template of timeslot structure 65 Figure 24 WIA-FA d
30、efault superframe 66 Figure 25 WIA-FA superframe 66 Figure 26 The example of WIA-FA devices multi-channel communication. 66 Figure 27 An example of beacon communication based on multiple ADs 67 Figure 28 Process of one-way time synchronization . 68 Figure 29 Process of two-way time synchronization .
31、 69 Figure 30 Aggregation frame payload format 70 Figure 31 Example of retransmission mode based on NACK 71 Figure 32 Example of multi-unicast retransmission mode . 72 Figure 33 Example of multi-broadcast retransmission mode . 72 Figure 34 Example of GACK-based timeslot backoff mode . 73 Figure 35 T
32、ime sequence of period data service from FD to GW 75 Figure 36 Time sequence of other data service from FD to GW 75 Figure 37 Time sequence of data service from GW to FD . 76 Figure 38 Network discovery process . 78 Figure 39 Time synchronization process 80 Figure 40 Device join process 83 Figure 41
33、 Device status report process 84 Figure 42 Channel condition report process . 86 Figure 43 Remote attribute get process . 89 Figure 44 Remote attribute set process 93 Figure 45 Device leave process . 94 Figure 46 General frame format . 95 Figure 47 DLL frame header 95 Figure 48 DLL frame control for
34、mat 95 Figure 49 DLL Date frame format . 96 Figure 50 DLL Aggregation frame format . 97 Figure 51 NACK frame format 97 Figure 52 GACK frame format 97 Figure 53 GACK information 97 Figure 54 DLL Beacon frame format . 97 Figure 55 Shared timeslot count 98 Figure 56 DLL join request frame format 98 Fig
35、ure 57 DLL join request frame format 98 Figure 58 DLL leave request frame format . 99 PD IEC/PAS 62948:2015IEC PAS 62948:2015 IEC 2015 7 Figure 59 DLL Device status report frame format . 99 Figure 60 DLL Channel condition report frame format 99 Figure 61 DLL time synchronization request frame format
36、 99 Figure 62 DLL time synchronization response frame format . 99 Figure 63 DLL Remote attribute get request frame format 100 Figure 64 DLL remote attribute get response frame format . 100 Figure 65 DLL Remote attribute set request frame format 101 Figure 66 DLL remote attribute set response frame f
37、ormat . 101 Figure 67 DLL state machine of access device. 102 Figure 68 DLL state machine of field device . 106 Figure 69 General frame format between GW and AD 111 Figure 70 AL portions within WIA-FA protocol stack . 114 Figure 71 The relationships between UAPs and DAPs . 118 Figure 72 User applica
38、tion objects . 119 Figure 73 Implementation example of IO data images on the gateway device 120 Figure 74 C/S VCR relationships between GW and FDs . 122 Figure 75 P/S VCR relationships between GW and FDs . 123 Figure 76 P/S VCR relationships between FDs and GW . 123 Figure 77 R/S VCR relationships b
39、etween FDs and GW . 124 Figure 78 Configuration process for a field device 125 Figure 79 UAO aggregation and disaggregation process 126 Figure 80 READ request message format 127 Figure 81 READ response( +) message format . 127 Figure 82 READ response(-) message format 127 Figure 83 READ Service proc
40、ess . 128 Figure 84 WRITE request message format . 128 Figure 85 WRITE response(-) message format . 128 Figure 86 WRITE Service process . 129 Figure 87 PUBLISH request message format . 129 Figure 88 PUBLISH Procedure from Field Device to Gateway Device 130 Figure 89 PUBLISH Procedure from Gateway De
41、vice to Field Device 130 Figure 90 REPORT request message format 130 Figure 91 REPORT Service process 131 Figure 92 REPORT ACK request message format 131 Figure 93 REPORT ACK response( +) message format . 131 Figure 94 REPORT ACK response(-) message format 131 Figure 95 REPORT ACK Service process 13
42、2 Figure 96 ASL general packet format . 135 Figure 97 Format of packet control field . 135 Figure 98 Confirmed service primitives exchanged between layers . 137 Figure 99 Unconfirmed service primitives exchanged between layers 138 Figure 100 Primitives invoking for read/ write MIB between layers . 1
43、39 Figure 101 State transition diagram of AMCL . 140 PD IEC/PAS 62948:2015 8 IEC PAS 62948:2015 IEC 2015 Figure 102 State transition diagram of AMSV . 142 Figure 103 State transition diagram of AMPB . 146 Figure 104 State transition diagram of AMSB . 149 Figure 105 State transition diagram of AMRS .
44、 152 Figure 106 State transition diagram of AMRK . 152 Figure 107 Security management architecture . 155 Figure 108 Life cycle of keys 157 Figure 109 Format of NONCE 158 Figure 110 Time sequence of key establishment 160 Figure 111 Time sequence of key updating 162 Figure 112 SecAlarmt_Struct structu
45、re . 163 Figure 113 Time sequence of security alarm 163 Figure 114 Secure join process of field device . 165 Figure 115 Key establish process for field device . 166 Figure 116 Key update state machine for FD . 167 Figure 117 General secure DLL frame format . 170 Figure 118 Secure aggregation frame f
46、ormat . 171 Figure 119 Key establish request frame format 172 Figure 120 Key establish response frame format 172 Figure 121 Key update request frame format . 172 Figure 122 Key update response frame format . 173 Figure 123 Security alarm request frame format . 173 Figure B.1 Timeslot timing template
47、 . 177 Table 1 Conventions used for state transitions . 20 Table 2 Definition of integer data type 21 Table 3 Unsigned16 coding 21 Table 4 Octetstring coding . 23 Table 5 Coding of Bit Field data with one octet 23 Table 6 Coding of Bit Field data with two octets . 23 Table 7 Coding of Bit Field data
48、 with three octet 23 Table 8 Network management functions . 30 Table 9 Security management functions . 30 Table 10 DMAP state transition of gateway device . 32 Table 11 DMAP state transition of gateway device for each field device . 34 Table 12 DMAP state transition of a field device 38 Table 13 Functions used in DMAP state transition . 41 Table 14 Unstructured attributes 48 Table 15 Structured attributes 50 Table 16 Superframe_Struct structure 50 Table 17 Link_Struct structure . 51 Table 18 ChanCon_Struct structure . 51 Table 19 Device_Struct 52 P
