SIST EN 61158-6-2:2015

SLOVENSKI STANDARD
SIST EN 61158-6-2:2015
01-marec-2015
1DGRPHãþD
SIST EN 61158-6-2:2012
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 6-2. del:
Specifikacija protokola na aplikacijski ravni - Elementi tipa 2 (IEC 61158-6-2:2014)
Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer
protocol specification - Type 2 elements (IEC 61158-6-2:2014)
Industrielle Kommunikationsnetze - Feldbusse - Teil 6-2: Protokollspezifikation des
Application Layer (Anwendungsschicht) - Typ 2-Elemente (IEC 61158-6-2:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-2:
Spécification de protocole de couche application - Éléments de Type 2 (CEI 61158-6-
2:2014)
Ta slovenski standard je istoveten z: EN 61158-6-2:2014
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.70 Uporabniški sloj Application layer
35.110 Omreževanje Networking
SIST EN 61158-6-2:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 61158-6-2:2015

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SIST EN 61158-6-2:2015


EUROPEAN STANDARD EN 61158-6-2

NORME EUROPÉENNE

EUROPÄISCHE NORM
October 2014
ICS 25.040.40; 35.100.70; 35.110 Supersedes EN 61158-6-2:2012
English Version
Industrial communication networks - Fieldbus specifications -
Part 6-2: Application layer protocol specification - Type 2
elements
(IEC 61158-6-2:2014)
Réseaux de communication industriels - Spécifications des Industrielle Kommunikationsnetze - Feldbusse - Teil 6-2:
bus de terrain - Partie 6-2: Spécification du protocole de la Protokollspezifikation des Application Layer
couche application - Éléments de type 2 (Anwendungsschicht) - Typ 2-Elemente
(CEI 61158-6-2:2014) (IEC 61158-6-2:2014)
This European Standard was approved by CENELEC on 2014-09-23. 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
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 61158-6-2:2014 E

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SIST EN 61158-6-2:2015
EN 61158-6-2:2014 - 2 -
Foreword
The text of document 65C/764/FDIS, future edition 3 of IEC 61158-6-2, 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 61158-6-2:2014.
The following dates are fixed:
(dop) 2015-06-23
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2017-09-23
• latest date by which the national standards conflicting with
the document have to be withdrawn

This document supersedes EN 61158-6-2:2012.
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.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.
Endorsement notice
The text of the International Standard IEC 61158-6-2:2014 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 61131-3 NOTE Harmonized as EN 61131-3.
IEC 61784-1:2014 NOTE Harmonized as EN 61784-1:2014 (not modified).
IEC 61784-2:2014 NOTE Harmonized as EN 61784-2:2014 (not modified).

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SIST EN 61158-6-2:2015
- 3 - EN 61158-6-2:2014
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
IEC 61158-1 2014 Industrial communication networks - EN 61158-1 2014
Fieldbus specifications -
Part 1: Overview and guidance for the
IEC 61158 and IEC 61784 series
IEC 61158-3-2 2014 Industrial communication networks - EN 61158-3-2 2014
Fieldbus specifications -
Part 3-2: Data-link layer service definition -
Type 2 elements
1)
IEC 61158-4-2 2014 Industrial communication networks - EN 61158-4-2
Fieldbus specifications -
Part 4-2: Data-link layer protocol
specification - Type 2 elements
IEC 61158-5-2 2014 Industrial communication networks - EN 61158-5-2 2014
Fieldbus specifications -
Part 5-2: Application layer service
definition - Type 2 elements
IEC 61588 2009 Precision clock synchronization protocol for - -
networked measurement and control
systems
IEC 61784-3-2 -  Industrial communication networks - EN 61784-3-2 -
Profiles -
Part 3-2: Functional safety fieldbuses -
Additional specifications for CPF 2
IEC 61800-7-202 -  Adjustable speed electrical power drive EN 61800-7-202 -
systems -
Part 7-202: Generic interface and use of
profiles for power drive systems - Profile
type 2 specification

1) To be published.

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SIST EN 61158-6-2:2015
EN 61158-6-2:2014 - 4 -
Publication Year Title EN/HD Year
IEC 62026-3 2008 Low-voltage switchgear and controlgear - EN 62026-3 2009
Controller-device interfaces (CDIs) -
Part 3: DeviceNet
ISO/IEC 7498-1 -  Information technology - Open Systems - -
Interconnection - Basic reference model:
The basic model
ISO/IEC 8802-3 -  Information technology - - -
Telecommunications and information
exchange between systems - Local and
metropolitan area networks - Specific
requirements -
Part 3: Carrier sense multiple access with
collision detection (CSMA/CD) access
method and physical layer specifications
ISO/IEC 8824-1 -  Information technology - Abstract Syntax - -
Notation One (ASN.1): Specification of
basic notation
ISO/IEC 8825-1 -  Information technology - ASN.1 encoding - -
rules: Specification of Basic Encoding
Rules (BER), Canonical Encoding Rules
(CER) and Distinguished Encoding Rules
(DER)
ISO/IEC 9545 -  Information technology - Open Systems - -
Interconnection - Application layer structure
ISO/IEC 10646 -  Information technology - Universal Coded - -
Character Set (UCS)
ISO/IEC 10731 -  Information technology - Open Systems - -
Interconnection - Basic Reference Model -
Conventions for the definition of OSI
services
ISO 639-2 -  Codes for the representation of names of - -
languages -
Part-2: Alpha-3 code
ISO 11898 1993 Road vehicles - Interchange of digital - -
information - Controller area network (CAN)
for high-speed communication
IEEE 802.1D 2004 IEEE Standard for local and metropolitan - -
area networks - Media Access Control
(MAC) Bridges
IEEE 802.1Q 2005 IEEE Standard for Local and Metropolitan - -
Area Networks - Virtual Bridged Local Area
Networks
IEEE 802.3 2008 IEEE Standard for Information technology - - -
Telecommunications and information
exchange between systems - Local and
metropolitan area networks - Specific
requirements -
Part 3: Carrier Sense Multiple Access with
Collision Detection (CSMA/CD) Access
Method and Physical Layer Specifications

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SIST EN 61158-6-2:2015
- 5 - EN 61158-6-2:2014
Publication Year Title EN/HD Year
IETF RFC 791 -  Internet Protocol - -
IETF RFC 1035 -  Domain Names - Implementation and - -
Specification
IETF RFC 1112 -  Host Extensions for IP Multicasting - -
IETF RFC 1117 -  Internet numbers - -
IETF RFC 1122 -  Requirements for Internet Hosts - - -
Communication Layers
IETF RFC 1759 -  Printer MIB - -
IETF RFC 2236 -  Internet Group Management Protocol, - -
Version 2
IETF RFC 2474 -  Definition of the Differentiated Services - -
Field (DS Field) in the IPv4 and IPv6
Headers
IETF RFC 2475 -  An Architecture for Differentiated Services - -
IETF RFC 2597 -  Assured Forwarding PHB Group - -
IETF RFC 2873 -  TCP Processing of the IPv4 Precedence - -
Field
IETF RFC 3140 -  Per Hop Behavior Identification Codes - -
IETF RFC 3246 -  An Expedited Forwarding PHB (Per-Hop - -
Behavior)
IETF RFC 3376 -  Internet Group Management Protocol, - -
Version 3
IETF RFC 4594 -  Configuration Guidelines for DiffServ - -
Service Classes

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SIST EN 61158-6-2:2015

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SIST EN 61158-6-2:2015



IEC 61158-6-2

®


Edition 3.0 2014-08




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Industrial communication networks – Fieldbus specifications –

Part 6-2: Application layer protocol specification – Type 2 elements




Réseaux de communication industriels – Spécifications des bus de terrain –

Partie 6-2: Spécification du protocole de la couche application – Eléments

de type 2















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX XH


ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-1756-6




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

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 61158-6-2:2015
– 2 – IEC 61158-6-2:2014 © IEC 2014
CONTENTS
FOREWORD . 12
INTRODUCTION . 14
1 Scope . 15
1.1 General . 15
1.2 Specifications . 15
1.3 Conformance . 16
2 Normative references . 16
3 Terms, definitions, symbols, abbreviations and conventions . 18
3.1 Terms and definitions from other ISO/IEC standards . 18
3.2 Terms and definitions from IEC 61158-5-2. 19
3.3 Additional terms and definitions . 19
3.4 Abbreviations and symbols . 26
3.5 Conventions . 27
4 Abstract syntax . 32
4.1 FAL PDU abstract syntax . 32
4.2 Data abstract syntax specification . 149
4.3 Encapsulation abstract syntax . 154
5 Transfer syntax . 171
5.1 Compact encoding . 171
5.2 Data type reporting . 179
6 Structure of FAL protocol state machines . 186
7 AP-Context state machine . 187
7.1 Overview . 187
7.2 Connection object state machine . 187
8 FAL service protocol machine (FSPM) . 195
8.1 General . 195
8.2 Primitive definitions . 195
8.3 Parameters of primitives . 199
8.4 FSPM state machines . 200
9 Application relationship protocol machines (ARPMs) . 200
9.1 General . 200
9.2 Connection-less ARPM (UCMM) . 201
9.3 Connection-oriented ARPMs (transports) . 210
10 DLL mapping protocol machine 1 (DMPM 1) . 238
10.1 General . 238
10.2 Link producer . 238
10.3 Link consumer . 239
10.4 Primitive definitions . 239
10.5 DMPM state machine . 241
10.6 Data-link Layer service selection . 243
11 DLL mapping protocol machine 2 (DMPM 2) . 243
11.1 General . 243
11.2 Mapping of UCMM PDUs . 243
11.3 Mapping of transport class 0 and class 1 PDUs . 251
11.4 Mapping of transport class 2 and class 3 PDU’s . 252

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SIST EN 61158-6-2:2015
IEC 61158-6-2:2014 © IEC 2014 – 3 –
11.5 Mapping of transport classes 4 to 6 . 253
11.6 IGMP Usage . 253
11.7 Quality of Service (QoS) for CP 2/2 messages . 254
11.8 Management of an encapsulation session . 258
12 DLL mapping protocol machine 3 (DMPM 3) . 258
Bibliography . 259

Figure 1 – Attribute table format and terms . 27
Figure 2 – Service request/response parameter . 28
Figure 3 – Example of an STD . 31
Figure 4 – Network connection parameters . 54
Figure 5 – Time tick . 57
Figure 6 – Connection establishment time-out . 59
Figure 7 – Member ID/EX description (WORD) . 71
Figure 8 – Transport Class Trigger attribute . 103
Figure 9 – CP2/3_initial_comm_characteristics attribute format . 107
Figure 10 – Segment type . 116
Figure 11 – Port segment . 117
Figure 12 – Logical segment encoding . 119
Figure 13 – Extended network segment . 124
Figure 14 – Symbolic segment encoding . 125
Figure 15 – Encapsulation message . 154
Figure 16 – FixedLengthBitString compact encoding bit placement rules . 176
Figure 17 – Example compact encoding of a SWORD FixedLengthBitString . 176
Figure 18 – Example compact encoding of a WORD FixedLengthBitString . 176
Figure 19 – Example compact encoding of a DWORD FixedLengthBitString . 176
Figure 20 – Example compact encoding of a LWORD FixedLengthBitString . 176
Figure 21 – Example 1 of formal encoding of a structure type specification . 181
Figure 22 – Example 2 of formal encoding of a structure type specification . 182
Figure 23 – Example 3 of formal encoding of a handle structure type specification . 182
Figure 24 – Example 4 of formal encoding of a handle structure type specification . 183
Figure 25 – Example 5 of abbreviated encoding of a structure type specification . 183
Figure 26 – Example 1 of formal encoding of an array type specification . 184
Figure 27 – Example 2 of formal encoding of an array type specification . 185
Figure 28 – Example 1 of abbreviated encoding of an array type specification . 186
Figure 29 – Example 2 of abbreviated encoding of an array type specification . 186
Figure 30 – I/O Connection object state transition diagram . 187
Figure 31 – Bridged Connection object state transition diagram . 191
Figure 32 – Explicit Messaging Connection object state transition diagram . 192
Figure 33 – State transition diagram of UCMM client9 . 203
Figure 34 – State transition diagram of high–end UCMM server . 205
Figure 35 – State transition diagram of low–end UCMM server . 207
Figure 36 – Sequence diagram for a UCMM with one outstanding message . 208
Figure 37 – Sequence diagram for a UCMM with multiple outstanding messages . 209

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SIST EN 61158-6-2:2015
– 4 – IEC 61158-6-2:2014 © IEC 2014
Figure 38 – TPDU buffer . 210
Figure 39 – Data flow diagram using a client transport class 0 and server transport
class 0 . 213
Figure 40 – Sequence diagram of data transfer using transport class 0. 213
Figure 41 – Class 0 client STD . 214
Figure 42 – Class 0 server STD . 215
Figure 43 – Data flow diagram using client transport class 1 and server transport
class 1 . 216
Figure 44 – Sequence diagram of data transfer using client transport class 1 and
server transport class 1 . 217
Figure 45 – Class 1 client STD . 219
Figure 46 – Class 1 server STD . 220
Figure 47 – Data flow diagram using client transport class 2 and server transport
class 2 . 222
Figure 48 – Diagram of data transfer using client transport class 2 and server transport
class 2 without returned data . 223
Figure 49 – Sequence diagram of data transfer using client transport class 2 and
server transport class 2 with returned data . 224
Figure 50 – Class 2 client STD . 225
Figure 51 – Class 2 server STD . 227
Figure 52 – Data flow diagram using client transport class 3 and server transport
class 3 . 230
Figure 53 – Sequence diagram of data transfer using client transport class 3 and
server transport class 3 without returned data . 231
Figure 54 – Sequence diagram of data transfer using client transport class 3 and
server transport class 3 with returned data . 232
Figure 55 – Class 3 client STD . 234
Figure 56 – Class 3 server STD . 236
Figure 57 – Data flow diagram for a link producer and consumer . 238
Figure 58 – State transition diagram for a link producer . 242
Figure 59 – State transition diagram for a link consumer . 242
Figure 60 – DS field in the IP header . 255
Figure 61 – IEEE 802.1Q tagged frame . 256

Table 1 – Get_Attribute_All response service rules . 28
Table 2 – Example class level object/service specific response data of
Get_Attribute_All . 29
Table 3 – Example Get_Attribute_All data array method . 29
Table 4 – Set_Attribute_All request service rules . 30
Table 5 – Example Set_Attribute_All attribute ordering method . 30
Table 6 – Example Set_Attribute_All data array method . 30
Table 7 – State event matrix format . 32
Table 8 – Example state event matrix . 32
Table 9 – UCMM_PDU header format . 36
Table 10 – UCMM command codes . 36
Table 11 – Transport class 0 header . 37

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SIST EN 61158-6-2:2015
IEC 61158-6-2:2014 © IEC 2014 – 5 –
Table 12 – Transport class 1 header . 37
Table 13 – Transport class 2 header . 37
Table 14 – Transport class 3 header . 37
Table 15 – Real-time data header – exclusive owner . 38
Table 16 – Real-time data header– redundant owner . 38
Table 17 – Forward_Open request format . 42
Table 18 – Forward_Open_Good response format . 43
Table 19 – Forward_Open_Bad response format . 44
Table 20 – Large_Forward_Open request format . 44
Table 21 – Large_Forward_Open_Good response format . 45
Table 22 – Large_Forward_Open_Bad response format . 46
Table 23 – Forward_Close request format . 46
Table 24 – Forward_Close_Good response format . 47
Table 25 – Forward_Close_Bad response format . 47
Table 26 – Unconnected_Send request format . 48
Table 27 – Unconnected_Send_Good response format . 49
Table 28 – Unconnected_Send_Bad response format . 49
Table 29 – Unconnected_Send request format (modified) . 50
Table 30 – Unconnected_Send_Good response format (modified) . 51
Table 31 – Unconnected_Send_Bad response format (modified). 51
Table 32 – Get
...