Industrial networks - Wireless communication network and communication profiles - WIA-FA

IEC 62948:2017(E) specifies the system architecture and communication protocol of WIA-FA (Wireless Networks for Industrial Automation - Factory Automation) based on IEEE STD 802.11-2012 physical layer (PHY). This document applies to wireless network systems for factory automation measuring, monitoring and control.

Industrielle Kommunikationsnetze - Kommunikationsnetze und Kommunikationsprofile - WIA-FA

Réseaux industriels - Réseau de communication sans fil et profils de communication - WIA-FA

IEC 62948:2017 spécifie l'architecture du système et le protocole de communication des WIA-FA (Wireless Networks for Industrial Automation - Factory Automation) basés sur la couche physique (PHY) de l'IEEE STD 802.11-2012. Le présent document s'applique aux systèmes de réseau sans fil pour la mesure, la surveillance et la commande de l'automatisation d'usine. Le contenu du rectificatif de mars 2021 a été inclus dans cette copie.

Industrijska omrežja - Brezžično komunikacijsko omrežje in komunikacijski profili - WIA-FA (IEC 62948:2017)

Ta mednarodni standard določa sistemsko arhitekturo in komunikacijski protokol WIA-FA (brezžična omrežja za industrijsko avtomatizacijo – tovarniška avtomatizacija), ki temelji na fizični plasti IEEE STD 802.11-2012 (PHY).
Ta dokument se uporablja za brezžične omrežne sisteme za merjenje, spremljanje in nadzorovanje tovarniške avtomatizacije.

General Information

Status
Published
Publication Date
30-Nov-2017
Technical Committee
Drafting Committee
Current Stage
6060 - Document made available
Due Date
26-Sep-2017

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SLOVENSKI STANDARD
SIST EN 62948:2018
01-februar-2018

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Industrial networks - Wireless communication network and communication profiles - WIA-

FA (IEC 62948:2017)

Industrielle Kommunikationsnetze - Kommunikationsnetze und Kommunikationsprofile -

WIA-FA (IEC 62948:2017)

Réseaux industriels - Réseau de communication sans fil et profils de communication -

WIA-FA (IEC 62948:2017)
Ta slovenski standard je istoveten z: EN 62948:2017
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.110 Omreževanje Networking
SIST EN 62948:2018 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62948:2018
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SIST EN 62948:2018
EUROPEAN STANDARD EN 62948
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2017
ICS 25.040.40; 35.110
English Version
Industrial networks - Wireless communication network
and communication profiles - WIA-FA
(IEC 62948:2017)

Réseaux industriels - Réseau de communication sans fil et Industrielle Kommunikationsnetze - Kommunikationsnetze

profils de communication - WIA-FA und Kommunikationsprofile - WIA-FA
(IEC 62948:2017) (IEC 62948:2017)

This European Standard was approved by CENELEC on 2017-08-31. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62948:2017 E
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SIST EN 62948:2018
EN 62948:2017
European foreword

The text of document 65C/877/FDIS, future edition 1 of IEC 62948, prepared by SC 65C "Industrial

networks" of IEC/TC 65 "Industrial-process measurement, control and automation" was submitted to

the IEC-CENELEC parallel vote and approved by CENELEC as EN 62948:2017.
The following dates are fixed:
(dop) 2018-06-01
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-12-01
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice

The text of the International Standard IEC 62948:2017 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following note has to be added for the standard indicated:

IEC 62657-2 NOTE Harmonized as EN 62657-2.
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SIST EN 62948:2018
EN 62948:2017
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments)

applies.

NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61588 - Precision clock synchronization protocol - -
for networked measurement and control
systems
IEEE 802.11 2012 IEEE Standard for Information technology - - -
Telecommunications and information
exchange between systems - Local and
metropolitan area networks - Specific
requirements -
Part 11: Wireless LAN Medium Access
Control (MAC) and Physical Layer (PHY)
Specifications
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SIST EN 62948:2018
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SIST EN 62948:2018
IEC 62948
Edition 1.0 2017-07
INTERNATIONAL
STANDARD
colour
inside
Industrial networks – Wireless communication network and communication
profiles – WIA-FA
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.110 ISBN 978-2-8322-4607-8

Warning! Make sure that you obtained this publication from an authorized distributor.

® Registered trademark of the International Electrotechnical Commission
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SIST EN 62948:2018
– 2 – IEC 62948:2017 © IEC 2017
CONTENTS

FOREWORD ......................................................................................................................... 12

1 Scope ............................................................................................................................ 14

2 Normative references .................................................................................................... 14

3 Terms, definitions, abbreviated terms, and conventions ................................................. 14

3.1 Terms and definitions ............................................................................................ 14

3.2 Abbreviated terms ................................................................................................. 17

3.3 Conventions .......................................................................................................... 19

4 Data coding ................................................................................................................... 20

4.1 Overview............................................................................................................... 20

4.2 Basic data type coding .......................................................................................... 21

4.2.1 Integer coding................................................................................................ 21

4.2.2 Unsigned coding ............................................................................................ 21

4.2.3 Float coding ................................................................................................... 22

4.2.4 Octetstring coding ......................................................................................... 23

4.2.5 BitField coding ............................................................................................... 23

4.2.6 Bitstring coding .............................................................................................. 24

4.2.7 TimeData coding ........................................................................................... 24

4.2.8 KeyData coding ............................................................................................. 25

4.3 Structured data type coding .................................................................................. 25

4.3.1 Structure type coding ..................................................................................... 25

4.3.2 List type coding ............................................................................................. 25

5 WIA-FA overview ........................................................................................................... 25

5.1 Device types ......................................................................................................... 25

5.1.1 General ......................................................................................................... 25

5.1.2 Host computer ............................................................................................... 25

5.1.3 Gateway device ............................................................................................. 25

5.1.4 Access device ............................................................................................... 26

5.1.5 Field device ................................................................................................... 26

5.1.6 Handheld device ............................................................................................ 26

5.2 Network topology .................................................................................................. 26

5.3 Protocol architecture ............................................................................................. 27

6 System management ..................................................................................................... 29

6.1 Overview............................................................................................................... 29

6.2 Device Management Application Process .............................................................. 30

6.2.1 General ......................................................................................................... 30

6.2.2 Network manager .......................................................................................... 32

6.2.3 Security manager .......................................................................................... 32

6.2.4 Network management module ........................................................................ 32

6.2.5 Security management module ........................................................................ 32

6.2.6 DMAP state machines ................................................................................... 32

6.3 Addressing and address assignment ..................................................................... 44

6.4 Communication resource allocation ....................................................................... 45

6.4.1 General ......................................................................................................... 45

6.4.2 Communication resource allocation ............................................................... 45

6.5 Joining and leave process of field device .............................................................. 46

6.5.1 Join process of a field device ......................................................................... 46

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6.5.2 Communication resource allocation to field device ......................................... 47

6.5.3 Leaving process of a field device ................................................................... 48

6.6 Network performance monitoring ........................................................................... 49

6.6.1 Device status report ....................................................................................... 49

6.6.2 Channel condition report ................................................................................ 50

6.7 Management information base and services .......................................................... 50

6.7.1 Management information base ....................................................................... 50

6.7.2 MIB services .................................................................................................. 61

7 Physical layer ................................................................................................................ 64

7.1 General ................................................................................................................. 64

7.2 General requirements based on IEEE STD 802.11-2012 ....................................... 64

7.3 Additional requirements ........................................................................................ 65

7.3.1 General ......................................................................................................... 65

7.3.2 Frequency band ............................................................................................. 65

7.3.3 Channel bitmap ............................................................................................. 65

7.3.4 Transmit power .............................................................................................. 67

7.3.5 Data rate ....................................................................................................... 67

8 Data Link Layer ............................................................................................................. 67

8.1 General ................................................................................................................. 67

8.1.1 DLL functions ................................................................................................ 67

8.1.2 Protocol architecture ...................................................................................... 67

8.1.3 WIA-FA superframe ....................................................................................... 68

8.1.4 Communication based on multiple access devices ......................................... 70

8.1.5 Time synchronization ..................................................................................... 72

8.1.6 Frame aggregation/disaggregation................................................................. 73

8.1.7 Fragmentation and reassembly ...................................................................... 74

8.1.8 Retransmission .............................................................................................. 74

8.2 Data link sub-layer data services .......................................................................... 77

8.2.1 General ......................................................................................................... 77

8.2.2 DLDE-DATA.request primitive ........................................................................ 77

8.2.3 DLDE-DATA.indication primitive .................................................................... 78

8.2.4 Time sequence of DLL data service ............................................................... 79

8.3 Data link sub-layer management services ............................................................. 80

8.3.1 General ......................................................................................................... 80

8.3.2 Network discovery services ........................................................................... 81

8.3.3 Time synchronization services ....................................................................... 83

8.3.4 Device joining services .................................................................................. 85

8.3.5 Device status report services ......................................................................... 88

8.3.6 Channel condition report services .................................................................. 90

8.3.7 Remote attribute get services ........................................................................ 92

8.3.8 Remote attribute set services ........................................................................ 96

8.3.9 Device leaving services ............................................................................... 100

8.4 DLL frame formats .............................................................................................. 102

8.4.1 General frame format ................................................................................... 102

8.4.2 Date frame format ........................................................................................ 103

8.4.3 Aggregation frame format ............................................................................ 104

8.4.4 NACK frame format ..................................................................................... 104

8.4.5 GACK frame format ..................................................................................... 104

8.4.6 Beacon frame format ................................................................................... 105

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8.4.7 Join request frame format ............................................................................ 106

8.4.8 Join response frame format ......................................................................... 106

8.4.9 Leave request frame format ......................................................................... 106

8.4.10 Leave response frame format ...................................................................... 106

8.4.11 Device status report frame format ................................................................ 106

8.4.12 Channel condition report frame format ......................................................... 107

8.4.13 Time synchronization request frame format ................................................. 107

8.4.14 Time synchronization response frame format ............................................... 107

8.4.15 Remote attribute get request frame format ................................................... 107

8.4.16 Remote attribute get response frame format ................................................ 108

8.4.17 Remote attribute set request frame format ................................................... 108

8.4.18 Remote attribute set response frame format ................................................ 109

8.5 Data link layer state machines ............................................................................ 109

8.5.1 DLL state machine of access device ............................................................ 109

8.5.2 DLL state machine of field device ................................................................ 117

8.5.3 Functions used in DLL state machines ......................................................... 123

9 Wired specifications between GW and AD ................................................................... 124

9.1 Overview............................................................................................................. 124

9.2 Join process of access device ............................................................................. 124

9.3 Frame formats between GW and AD ................................................................... 124

9.4 Communication based on multiple access device ................................................ 127

10 Application Layer ......................................................................................................... 127

10.1 Overview............................................................................................................. 127

10.2 AL protocol stack ................................................................................................ 127

10.3 AL functions ........................................................................................................ 128

10.3.1 Data functions ............................................................................................. 128

10.3.2 Management functions ................................................................................. 128

10.3.3 Communication models ................................................................................ 129

10.4 Application data .................................................................................................. 129

10.4.1 General ....................................................................................................... 129

10.4.2 Attribute data ............................................................................................... 129

10.4.3 Process data ............................................................................................... 129

10.4.4 Event data ................................................................................................... 130

10.5 User application process ..................................................................................... 131

10.5.1 General ....................................................................................................... 131

10.5.2 User application object ................................................................................ 132

10.5.3 IO data image on gateway device ................................................................ 132

10.5.4 Alarm mechanism ........................................................................................ 133

10.5.5 Application configuration.............................................................................. 134

10.6 Application services ............................................................................................ 140

10.6.1 Confirmed services and unconfirmed services ............................................. 140

10.6.2 Read service ............................................................................................... 141

10.6.3 Write service ............................................................................................... 143

10.6.4 Publish service ............................................................................................ 144

10.6.5 Report service ............................................................................................. 145

10.6.6 Report ACK service ..................................................................................... 146

10.6.7 Start service ................................................................................................ 147

10.6.8 Stop service ................................................................................................ 148

10.7 Application sub-layer .......................................................................................... 149

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10.7.1 Overview ..................................................................................................... 149

10.7.2 ASL data service ......................................................................................... 149

10.7.3 ASL management service ............................................................................ 152

10.7.4 ASL message format ................................................................................... 153

11 Security ....................................................................................................................... 172

11.1 General ............................................................................................................... 172

11.1.1 Security management architecture ............................................................... 172

11.1.2 Security functions ........................................................................................ 174

11.1.3 Keys ............................................................................................................ 174

11.2 Security services ................................................................................................ 175

11.2.1 General ....................................................................................................... 175

11.2.2 Key establish service ................................................................................... 175

11.2.3 Key update service ...................................................................................... 178

11.2.4 Security alarm service ................................................................................. 180

11.3 Secure join ......................................................................................................... 181

11.3.1 General ....................................................................................................... 181

11.3.2 Secure join process of FD............................................................................ 182

11.4 Key management ................................................................................................ 183

11.4.1 General ....................................................................................................... 183

11.4.2 Key establish process .................................................................................. 183

11.4.3 Key update process ..................................................................................... 184

11.5 DLL secure communication ................................................................................. 186

11.6 Security alarm ..................................................................................................... 187

11.7 Secure frame format ........................................................................................... 187

11.7.1 General secure DLL frame format ................................................................ 187

11.7.2 Secure aggregation frame format ................................................................. 188

11.7.3 Key establish request frame format .............................................................. 188

11.7.4 Key establish response frame format ........................................................... 189

11.7.5 Key update request frame format ................................................................. 189

11.7.6 Key update response frame format .............................................................. 189

11.7.7 Security alarm request frame format ............................................................ 190

Annex A (informative) Security strategy for WIA-FA network .............................................. 191

A.1 Risk analysis for WIA-FA network ....................................................................... 191

A.2 Security principles for WIA-FA network ............................................................... 191

A.3 Security objectives for WIA-FA network .............................................................. 191

A.4 Security grade of WIA-FA network ...................................................................... 191

Annex B (informative) Regional modification for compliance with ETSI standards .............. 193

B.1 General ............................................................................................................... 193

B.2 Compliance with ETSI EN 300 440-2 V1.4.1 ....................................................... 193

B.3 Compliance with ETSI EN 300 328V1.9.1............................................................ 193

Bibliography ........................................................................................................................ 197

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 .............................................................................................. 23

Figure 6 – WIA-FA redundant star topology .......................................................................... 27

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Figure 7 – OSI basic reference model mapped to WIA-FA ..................................................... 27

Figure 8 – Protocol architecture of WIA-FA ........................................................................... 28

Figure 9 – Data flow over WIA-FA network ............................................................................ 29

Figure 10 – System management scheme ............................................................................. 29

Figure 11 – DMAP of management system............................................................................ 30

Figure 12 – DMAP state machine of gateway device ............................................................. 33

Figu
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