EN 62734:2015

SLOVENSKI STANDARD
01-junij-2015
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Industrial networks - Wireless communication network and communication profiles - ISA
100.11a (IEC 62734:2014)
Industrielle Kommunikationsnetze - Drahtlose Kommunikationsnetze und
Kommunikationsprofile - ISA 100.11a (IEC 62734:2014)
Réseaux industriels - Réseau de communication sans fil et profils de communication -
ISA 100.11a (IEC 62734:2014)
Ta slovenski standard je istoveten z: EN 62734:2015
ICS:
25.040.01 Sistemi za avtomatizacijo v Industrial automation
industriji na splošno systems in general
33.040.40 Podatkovna komunikacijska Data communication
omrežja networks
35.100.01 Medsebojno povezovanje Open systems
odprtih sistemov na splošno interconnection in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 62734
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2015
ICS 25.040; 33.040; 35.100
English Version
Industrial networks - Wireless communication network and
communication profiles - ISA 100.11a
(IEC 62734:2014)
Réseaux industriels - Réseau de communication sans fil et Industrielle Kommunikationsnetze - Drahtlose
profils de communication - ISA 100.11a Kommunikationsnetze und Kommunikationsprofile - ISA
(IEC 62734:2014) 100.11a
(IEC 62734:2014)
This European Standard was approved by CENELEC on 2014-12-02. 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, 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: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62734:2015 E
Foreword
The text of document 65C/778/FDIS, future edition 1 of IEC 62734, 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 62734:2015.

The following dates are fixed:
(dop) 2015-09-02
• 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) 2017-12-02
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 [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62734:2014 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 61158 Series NOTE Harmonized as EN 61158 Series.
1)
IEC 61499-4:2005 NOTE Harmonized as EN 61499-4:2006 (not modified).
IEC 61512-1 NOTE Harmonized as EN 61512-1.
IEC 61804-3 NOTE Harmonized as EN 61804-3.
IEC 62264-1:2013 NOTE Harmonized as EN 62264-1:2013 (not modified).
IEC 62591 NOTE Harmonized as EN 62591.
ISO 3166-1 NOTE Harmonized as EN ISO 3166-1.

1)
Superseded by EN 61499-4:2013 (IEC 61499-4:2013): DOW = 2016-03-06.

- 3 - EN 62734:2015
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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

ISO/IEC 646 -  Information technology; ISO 7-bit coded - -
character set for information interchange
ISO/IEC 10731 -  Information technology - Open Systems - -
Interconnection - Basic Reference Model -
Conventions for the definition of OSI
services
ISO/IEC 18033-3 -  Information technology - Security - -
techniques - Encryption algorithms -
Part 3: Block ciphers
ISO/IEC 19772 -  Information technology - Security - -
techniques - Authenticated encryption
ANSI X 9.63 2011 Public Key Cryptography for Financial - -
Services Industry - Key Agreement and
Key Transport Using Elliptic Curve
Cryptography
IETF RFC 2460 1998 Internet Protocol - Version 6 (IPv6) - - -
Specification
IETF RFC 2464 -  Transmission of IPv6 Packets over - -
Ethernet Networks
IETF RFC 2529 -  Transmission of IPv6 over IPv4 Domains - -
without Explicit Tunnels
IETF RFC 3168 -  The Addition of Explicit Congestion - -
Notification (ECN) to IP
IETF RFC 4213 -  Basic Transition Mechanisms for IPv6 - -
Hosts and Routers
IETF RFC 4291 2006 IP Version 6 Addressing Architecture - -
IETF RFC 4944 -  Transmission of IPv6 Packets over IEEE - -
802.15.4 Networks
IETF RFC 6282 2011 Compression Format for IPv6 Datagrams - -
over IEEE 802.15.4-Based Networks
IETF RFC 6298 -  Computing TCP's Retransmission Timer - -

Publication Year Title EN/HD Year

IEEE 802.15.4 2011 IEEE Standard for Local and metropolitan - -
area networks - Part 15.4: Low-Rate
Wireless Personal Area Networks (LR-
WPANs)
SEC 1 2009 Elliptic Curve Cryptography, version 2
SEC 4 Elliptic Curve Qu-Vanstone Implicit
Certificate Scheme (ECQV), version 0.97

IEC 62734 ®
Edition 1.0 2014-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Wireless communication network and communication

profiles – ISA 100.11a
Réseaux industriels – Réseau de communication sans fil et profils de

communication – ISA 100.11a
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XH
ICS 25.040; 33.040; 35.100 ISBN 978-2-8322-1874-7

– 2 – IEC 62734:2014 © IEC 2014

CONTENTS
FOREWORD . 31
0 Introduction . 33
0.1 General . 33
0.2 Document structure . 33
0.3 Potentially relevant patents . 33
1 Scope . 35
2 Normative references . 35
3 Terms, definitions, abbreviated terms, acronyms, and conventions . 36
3.1 Terms and definitions. 36
3.1.1 (N)-layer and other terms and definitions from the open systems
interconnection Basic Reference Model . 36
3.1.2 Other terms and definitions . 45
3.1.3 Symbols for symmetric keys, and for asymmetric keys and certificates . 63
3.1.4 Terms used to describe device behavior . 64
3.2 Abbreviated terms and acronyms . 65
3.3 Conventions . 71
3.3.1 Service interfaces . 71
3.3.2 Table cells . 72
3.3.3 Italics. 72
3.3.4 Bold face . 73
3.3.5 Informal declarations of named constants . 73
4 Overview . 73
4.1 General . 73
4.2 Interoperability and related issues . 73
4.3 Quality of service . 74
4.4 Worldwide applicability . 74
4.5 Network architecture . 74
4.5.1 Interfaces . 74
4.5.2 Data structures . 75
4.5.3 Network description . 76
4.5.4 Generic protocol data unit construction . 77
4.5.5 Abstract data and concrete representations . 78
4.6 Network characteristics . 80
4.6.1 General . 80
4.6.2 Scalability . 80
4.6.3 Extensibility . 81
4.6.4 Simple operation . 81
4.6.5 Site-license-exempt operation . 81
4.6.6 Robustness in the presence of interference, including from other
wireless systems . 81
4.6.7 Determinism and contention-free media access . 81
4.6.8 Self-organizing networking with support for redundancy . 82
4.6.9 Internet-protocol-compatible NL . 82
4.6.10 Coexistence with other radio frequency systems . 82
4.6.11 Time-slotted assigned-channel D-transactions as the basis for
communication . 84

IEC 62734:2014 © IEC 2014 – 3 –
4.6.12 Robust and flexible security . 86
4.6.13 System management . 87
4.6.14 Application process using standard objects . 87
4.6.15 Tunneling . 87
5 System . 87
5.1 General . 87
5.2 Devices . 88
5.2.1 General . 88
5.2.2 Device interworkability . 88
5.2.3 Profiles . 88
5.2.4 Quality of service . 88
5.2.5 Device worldwide applicability . 88
5.2.6 Device description . 89
5.2.7 Device addressing . 93
5.2.8 Device phases . 93
5.2.9 Device energy sources . 95
5.3 Networks . 95
5.3.1 General . 95
5.3.2 Minimal network. 95
5.3.3 Basic network topologies supported . 96
5.3.4 Network configurations . 99
5.3.5 Gateway, system manager, and security manager . 104
5.4 Protocol suite structure . 105
5.5 Data flow . 106
5.5.1 General . 106
5.5.2 Native communications . 107
5.5.3 Basic data flow . 107
5.5.4 Data flow between I/O devices . 108
5.5.5 Data flow with legacy I/O device . 108
5.5.6 Data flow with backbone . 112
5.5.7 Data flow between I/O devices via backbone . 112
5.5.8 Data flow to a standard-aware control system or device . 112
5.6 Time reference. 113
5.6.1 General . 113
5.6.2 Time synchronization . 114
5.7 Firmware upgrades . 114
5.8 Wireless backbones and other infrastructures . 114
6 System management role . 114
6.1 General . 114
6.1.1 Overview . 114
6.1.2 Components and architecture . 115
6.1.3 Management functions . 116
6.2 DMAP . 116
6.2.1 General . 116
6.2.2 Architecture of device management . 117
6.2.3 Definition of management objects . 117
6.2.4 Management objects in DMAP . 117
6.2.5 Communications services provided to device management objects . 119
6.2.6 Attributes of management objects . 120

– 4 – IEC 62734:2014 © IEC 2014

6.2.7 Definitions of management objects in DMAP . 121
6.2.8 Functions of device management and layer management . 130
6.3 System manager . 140
6.3.1 General . 140
6.3.2 System management architecture . 140
6.3.3 Standard system management object types . 141
6.3.4 Security management . 142
6.3.5 Addresses and address allocation . 143
6.3.6 Firmware upgrade. 147
6.3.7 System performance monitoring . 148
6.3.8 Device provisioning service . 149
6.3.9 Device management services . 149
6.3.10 System time services . 158
6.3.11 System communication configuration . 162
6.3.12 Redundancy management . 195
6.3.13 System management protocols . 196
6.3.14 Management policies and policy administration . 196
6.3.15 Operational interaction with plant operations or maintenance personnel . 196
7 Security . 196
7.1 General . 196
7.2 Security services . 197
7.2.1 Overview . 197
7.2.2 Keys . 198
7.3 PDU security . 202
7.3.1 General . 202
7.3.2 DPDU security . 203
7.3.3 TL security functionality . 218
7.4 Joining process . 234
7.4.1 General . 234
7.4.2 Prerequisites . 234
7.4.3 Desired device end state and properties . 235
7.4.4 Joining process steps common for symmetric-key and asymmetric-key
approaches . 235
7.4.5 Symmetric-key joining process . 238
7.4.6 Asymmetric-key joining process . 248
7.4.7 Joining process and device lifetime failure recovery . 264
7.5 Session establishment . 266
7.5.1 General . 266
7.5.2 Description . 266
7.5.3 Application protocol data unit protection using the master key . 268
7.5.4 Proxy security management object methods related to the session
establishment . 268
7.6 Key update . 271
7.6.1 General . 271
7.6.2 Description . 271
7.6.3 Device security management object methods related to T-key update . 272
7.6.4 Failure recovery . 276
7.7 Functionality of the security manager role . 278
7.7.1 Proxy security management object . 278

IEC 62734:2014 © IEC 2014 – 5 –
7.7.2 Authorization of network devices and generation or derivation of initial
master keys . 279
7.7.3 Interaction with device security management objects . 279
7.7.4 Management of operational keys . 279
7.8 Security policies. 280
7.8.1 Definition of security policy . 280
7.8.2 Policy extent . 280
7.8.3 Unconstrained security policy choices . 281
7.8.4 Policy structures . 281
7.9 Security functions available to the AL . 283
7.9.1 Parameters on transport service requests that relate to security . 283
7.9.2 Direct access to cryptographic primitives . 284
7.9.3 Symmetric-key cryptography . 285
7.10 Security statistics collection, threat detection, and reporting . 286
7.11 DSMO functionality . 287
7.11.1 General . 287
7.11.2 DSMO attributes . 287
7.11.3 KeyDescriptor . 288
7.11.4 DSMO alerts . 293
8 Physical layer . 294
8.1 General . 294
8.2 Default physical layer . 295
8.2.1 General requirements . 295
8.2.2 Additional requirements of IEEE 802.15.4 . 295
8.2.3 Exceptions to the IEEE 802.15.4 physical layer . 296
9 Data-link layer . 296
9.1 General . 296
9.1.1 Overview . 296
9.1.2 Coexistence strategies in the DL . 297
9.1.3 Allocation of digital bandwidth . 297
9.1.4 Structure of the DPDU . 298
9.1.5 The DL and the IEEE 802.15.4 MAC . 298
9.1.6 Routes and graphs . 299
9.1.7 Slotted-channel-hopping, slow-channel-hopping, and timeslots . 306
9.1.8 Superframes . 317
9.1.9 DL time keeping. 329
9.1.10 D-subnet addressing . 348
9.1.11 DL management service . 349
9.1.12 Relationship between DLE and DSC . 351
9.1.13 DLE neighbor discovery . 352
9.1.14 Neighbor discovery and joining – DL considerations . 355
9.1.15 Radio link control and quality measurement . 360
9.1.16 DLE roles and options . 365
9.1.17 DLE energy considerations . 365
9.2 DDSAP . 366
9.2.1 General . 366
9.2.2 DD-DATA.request . 366
9.2.3 DD-DATA.confirm . 368
9.2.4 DD-DATA.indication . 368

– 6 – IEC 62734:2014 © IEC 2014

9.3 Data DPDUs and ACK/NAK DPDUs . 369
9.3.1 General . 369
9.3.2 Octet and bit ordering . 370
9.3.3 Media access control headers . 371
9.3.4 MAC acknowledgment DPDUs . 378
9.3.5 DL auxiliary subheader . 381
9.4 DL management information base . 396
9.4.1 General . 396
9.4.2 DL management object attributes . 396
9.4.3 DLMO attributes (indexed OctetStrings) . 416
9.5 DLE methods . 445
9.5.1 Method for synchronized cutover of DLE attributes . 445
9.5.2 Methods to access indexed OctetString attributes . 445
9.6 DL alerts . 447
9.6.1 DL_Connectivity alert . 447
9.6.2 NeighborDiscovery alert . 449
10 Network layer . 450
10.1 General . 450
10.2 NL functionality overview . 450
10.2.1 General . 450
10.2.2 Addressing . 451
10.2.3 Address translation . 451
10.2.4 Network protocol data unit headers . 453
10.2.5 Fragmentation and reassembly . 453
10.2.6 Routing . 456
10.2.7 Routing examples . 462
10.3 NLE data services . 470
10.3.1 General . 470
10.3.2 N-DATA.request. 471
10.3.3 N-DATA.confirm . 472
10.3.4 N-DATA.indication . 472
10.4 NL management object . 473
10.4.1 NL management information base . 473
10.4.2 Structured management information bases . 477
10.4.3 NL management object methods . 478
10.5 NPDU formats . 481
10.5.1 General . 481
10.5.2 Basic header format for NL . 483
10.5.3 Contract-enabled network header format . 484
10.5.4 Full header (IPv6) format . 486
10.5.5 Fragmentation header format . 488
11 Transport layer . 489
11.1 General . 489
11.2 TLE reference model . 490
11.3 Transport security entity . 490
11.3.1 General . 490
11.3.2 Securing the TL . 490
11.4 Transport data entity . 491
11.4.1 General . 491

IEC 62734:2014 © IEC 2014 – 7 –
11.4.2 UDP over IPv6 . 492
11.4.3 UDP header transmission and compression . 492
11.4.4 TSAPs and UDP ports . 495
11.4.5 Good network citizenship . 496
11.5 TPDU encoding . 496
11.5.1 General . 496
11.5.2 Header compression – User datagram protocol encoding . 496
11.5.3 TPDU security header. 498
11.6 TL model . 498
11.6.1 General . 498
11.6.2 Data services. 498
12 Application layer . 507
12.1 General . 507
12.2 Energy considerations . 508
12.3 Legacy control system considerations . 508
12.4 Overview of object-oriented modeling . 509
12.4.1 General . 509
12.4.2 Object-to-object communication concept. 509
12.4.3 AL structure . 510
12.4.4 UAP structure . 510
12.5 Object model . 511
12.6 Object attribute model . 512
12.6.1 General . 512
12.6.2 Attributes of standard objects . 513
12.6.3 Attribute classification. 513
12.6.4 Attribute accessibility . 514
12.7 Method model . 514
12.8 Alert model . 515
12.9 Alarm state model . 515
12.10 Event state model . 516
12.10.1 General . 516
12.10.2 State table and transitions . 516
12.11 Alert reporting . 517
12.11.1 General . 517
12.11.2 Alert types . 517
12.11.3 Alert report information . 518
12.11.4 Alarm state recovery . 519
12.12 Communication interaction model . 519
12.12.1 General . 519
12.12.2 Buffered unidirectional publication communication . 519
12.12.3 Queued unidirectional communication . 520
12.12.4 Queued bidirectional communication . 520
12.12.5 Communication service contract . 528
12.13 AL addressing . 529
12.13.1 General . 529
12.13.2 Object addressing . 529
12.13.3 Object attribute addressing . 530
12.13.4 Object attribute addressing . 530
12.13.5 Object method addressing . 532

– 8 – IEC 62734:2014 © IEC 2014

12.14 Management objects . 532
12.15 User objects. 533
12.15.1 General . 533
12.15.2 Industry-independent objects . 533
12.16 Data types . 566
12.16.1 Basic data types . 566
12.16.2 Derived atomic data types . 566
12.16.3 Industry-independent standard data structures . 566
12.17 Application services provided by application sublayer . 573
12.17.1 General . 573
12.17.2 Publish/subscribe application communication model . 574
12.17.3 Scheduled periodic buffered communication . 575
12.17.4 Client/server interactions . 580
12.17.5 Unscheduled acyclic queued unidirectional messages (source/sink) . 596
12.17.6 Client/server and source/sink commonalities . 603
12.18 AL flow use of lower layer services . 609
12.18.1 General . 609
12.18.2 AL use of TDSAPs .
...