EN IEC 61158-6-2:2023
(Main)Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer protocol specification - Type 2 elements
Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer protocol specification - Type 2 elements
IEC 61158-6-2:2023 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 2 fieldbus. The term "time-critical" is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life.
Industrielle Kommunikationsnetze - Feldbusse - Teil 6-2: Protokollspezifikation des Application Layer (Anwendungsschicht) - Typ 2-Elemente
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-2: Spécification du protocole de la couche application Éléments de type 2
L'IEC 61158-6-2:2023 fournit des éléments communs pour les communications prioritaires ou non entre des programmes d’application dans un environnement et avec un matériel d’automatisation spécifiques aux bus de terrain de type 2. Le terme "à temps critique" est utilisé pour indiquer la présence d’une fenêtre temporelle, dans laquelle il est exigé de réaliser une ou plusieurs actions spécifiées selon un niveau défini de certitude. Tout manquement à réaliser ces actions dans la fenêtre de temps prévue risque de provoquer la défaillance des applications qui les demandent, avec le risque de mettre en danger l’équipement, l’usine, voire les personnes.
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 6-2. del: Specifikacija protokola na aplikacijski ravni - Elementi tipa 2 (IEC 61158-6-2:2023)
Aplikacijska raven procesnih vodil (FAL) uporabniškim programom omogoča dostop do komunikacijskega okolja procesnih vodil. Glede na to je mogoče aplikacijsko raven procesnih vodil šteti za »okno med ustreznimi aplikacijami«.
Ta del standarda IEC 61158 določa skupne elemente za osnovne časovno kritične in časovno nekritične sporočilne komunikacije med aplikacijami v avtomatizacijskem okolju ter material, specifičen za procesna vodila tipa 2. Izraz »časovno kritičen« se uporablja za predstavitev prisotnosti časovnega okna, v okviru katerega se zahteva dokončanje enega ali več opredeljenih dejanj z določeno stopnjo gotovosti. Zaradi neuspešnega dokončanja opredeljenih dejanj v časovnem oknu je možna odpoved aplikacij, ki zahtevajo dejanja, pri čemer so ogroženi oprema, obrat in morda človeška življenja.
Ta dokument opredeljuje interakcije med oddaljenimi aplikacijami in določa na zunaj vidno vedenje, ki ga zagotavlja aplikacijska raven procesnih vodil tipa 2 v smislu:
– formalne abstraktne sintakse, ki določa podatkovne enote protokola aplikacijske ravni, ki se prenašajo med aplikacijskimi osebki, ki komunicirajo;
– prenosne sintakse, ki opredeljuje pravila kodiranja, ki se uporabljajo za podatkovne enote protokola aplikacijske ravni;
– stroja stanja aplikacijskega konteksta, ki opredeljuje vedenje aplikacijskega opravila, vidnega med aplikacijskimi osebki, ki komunicirajo;
– strojev stanja aplikacijskega razmerja, ki opredeljujejo komunikacijsko vedenje med aplikacijskimi osebki, ki komunicirajo.
Namen tega dokumenta je opredeliti protokol, ki se zagotavlja za:
– določitev žične predstavitve primitivov opravil iz standarda IEC 61158-5-2, in
– določitev na zunaj vidnega vedenja, povezanega z njihovim prenosom.
Ta dokument določa protokol aplikacijske ravni procesnih vodil tipa 2 v skladu z osnovnim referenčnim modelom OSI (ISO/IEC 7498-1) in strukturo aplikacijske ravni OSI (ISO/IEC 9545).
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2023
Nadomešča:
SIST EN IEC 61158-6-2:2019
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 6-2. del:
Specifikacija protokola na aplikacijski ravni - Elementi tipa 2 (IEC 61158-6-2:2023)
Industrial communication networks - Fieldbus specifications - Part 6-2: Application layer
protocol specification - Type 2 elements (IEC 61158-6-2:2023)
Industrielle Kommunikationsnetze - Feldbusse - Teil 6-2: Protokollspezifikation des
Application Layer (Anwendungsschicht) - Typ 2-Elemente (IEC 61158-6-2:2023)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-2:
Spécification du protocole de la couche liaison de données - Eléments de type 2 (IEC
61158-6-2:2023)
Ta slovenski standard je istoveten z: EN IEC 61158-6-2:2023
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
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61158-6-2
NORME EUROPÉENNE
EUROPÄISCHE NORM May 2023
ICS 25.040.40; 35.100.70; 35.110 Supersedes EN IEC 61158-6-2:2019
English Version
Industrial communication networks - Fieldbus specifications -
Part 6-2: Application layer protocol specification - Type 2
elements
(IEC 61158-6-2:2023)
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 liaison de données - Eléments de type 2 (Anwendungsschicht) - Typ 2-Elemente
(IEC 61158-6-2:2023) (IEC 61158-6-2:2023)
This European Standard was approved by CENELEC on 2023-04-28. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye 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
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61158-6-2:2023 E
European foreword
The text of document 65C/1204/FDIS, future edition 5 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 IEC 61158-6-2:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-01-28
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-04-28
document have to be withdrawn
This document supersedes EN IEC 61158-6-2:2019 and all of its amendments and corrigenda (if any).
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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 61158-6-2:2023 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 standard indicated:
IEC 61131-3 NOTE Approved as EN 61131-3
IEC 61131-9 NOTE Approved as EN IEC 61131-9
IEC 61784-1 (series) NOTE Approved as EN IEC 61784-1 (series)
IEC 61784-2 (series) NOTE Approved as EN IEC 61784-2 (series)
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.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 61158-1 2023 Industrial communication networks - Fieldbus - -
specifications - Part 1: Overview and
guidance for the IEC 61158 and IEC 61784
series
IEC 61158-3-2 2023 Industrial communication networks - Fieldbus - -
specifications - Part 3-2: Data-link layer
service definition - Type 2 elements
IEC 61158-4-2 2023 Industrial communication networks - Fieldbus EN IEC 61158-4-2 2023
specifications - Part 4-2: Data-link layer
protocol specification - Type 2 elements
IEC 61158-5-2 2023 Industrial communication networks - Fieldbus - -
specifications - Part 5-2: Application layer
service definition - Type 2 elements
IEC 61588 2021 Precision Clock Synchronization Protocol for - -
Networked Measurement and Control
Systems
IEC 61784-3-2 - Industrial communication networks - Profiles - EN IEC 61784-3-2 -
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
IEC 62026-3 2014 Low-voltage switchgear and controlgear - - -
Controller-device interfaces (CDIs) - Part 3:
DeviceNet
ISO/IEC 7498-1 - Information technology - Open Systems - -
Interconnection - Basic reference model: The
basic model
ISO/IEC/IEEE - Telecommunications and exchange between - -
8802-3 information technology systems -
Requirements for local and metropolitan area
networks - Part 3: Standard for Ethernet
Publication Year Title EN/HD Year
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 11898-1 2015 Road vehicles - Controller area network - -
(CAN) - Part 1: Data link layer and physical
signalling
IEEE 802.1Q 2018 IEEE Standard for Local and Metropolitan - -
Area Networks¿Bridges and Bridged
Networks
IEEE 802.3 2018 IEEE Standard for Ethernet - -
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
IEC 61158-6-2 ®
Edition 5.0 2023-03
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 6-2: Application layer protocol specification – Type 2 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-6631-1
– 2 – IEC 61158-6-2:2023 © IEC 2023
CONTENTS
FOREWORD . 14
INTRODUCTION . 17
1 Scope . 18
1.1 General . 18
1.2 Specifications . 18
1.3 Conformance . 19
2 Normative references . 19
3 Terms, definitions, symbols, abbreviated terms and conventions . 21
3.1 Terms and definitions from other ISO/IEC standards . 21
3.1.1 Terms and definitions from ISO/IEC 7498-1 . 21
3.1.2 Terms and definitions from ISO/IEC 9545 . 21
3.1.3 Terms and definitions from ISO/IEC 8824-1 . 22
3.1.4 Terms and definitions from ISO/IEC 8825-1 . 22
3.2 Terms and definitions from IEC 61158-5-2 . 22
3.3 Additional terms and definitions . 22
3.4 Abbreviated terms and symbols . 30
3.5 Conventions . 30
3.5.1 General concept . 30
3.5.2 Attribute specification . 31
3.5.3 Common services . 31
3.5.4 State machine conventions . 34
4 Abstract syntax . 36
4.1 FAL PDU abstract syntax . 36
4.1.1 General . 36
4.1.2 PDU structure . 36
4.1.3 UCMM_PDUs . 39
4.1.4 Transport_Headers . 40
4.1.5 CM_PDUs . 43
4.1.6 CM PDU components . 56
4.1.7 MR headers . 65
4.1.8 OM_Service_PDU . 66
4.1.9 Message and connection paths . 130
4.1.10 Class, attribute and service codes . 146
4.1.11 Error codes . 154
4.2 Data abstract syntax specification . 169
4.2.1 Transport format specification . 169
4.2.2 Abstract syntax notation . 170
4.2.3 Control network data specification . 170
4.2.4 Data type specification / dictionaries . 172
4.3 Encapsulation abstract syntax . 174
4.3.1 Encapsulation protocol . 174
4.3.2 Encapsulation messages . 175
4.3.3 Command descriptions . 178
4.3.4 Common packet format . 190
5 Transfer syntax . 194
5.1 Compact encoding . 194
IEC 61158-6-2:2023 © IEC 2023 – 3 –
5.1.1 Encoding rules . 194
5.1.2 Encoding constraints . 195
5.1.3 Examples. 195
5.2 Data type reporting . 202
5.2.1 Object data representation. 202
5.2.2 Elementary data type reporting . 202
5.2.3 Constructed data type reporting . 203
6 Structure of FAL protocol state machines . 209
7 AP-Context state machine . 210
7.1 Overview. 210
7.2 Connection object state machine . 210
7.2.1 I/O Connection instance behavior . 210
7.2.2 Bridged Connection instance behavior . 215
7.2.3 Explicit Messaging Connection instance behavior . 217
8 FAL service protocol machine (FSPM) . 219
8.1 General . 219
8.2 Primitive definitions . 219
8.3 Parameters of primitives . 224
8.4 FSPM state machines . 225
9 Application relationship protocol machines (ARPMs) . 225
9.1 General . 225
9.2 Connection-less ARPM (UCMM) . 226
9.2.1 General . 226
9.2.2 Primitive definitions . 226
9.2.3 Parameters of primitives . 227
9.2.4 UCMM state machines . 228
9.2.5 Examples of UCMM sequences . 233
9.2.6 Management UCMM . 235
9.3 Connection-oriented ARPMs (transports) . 236
9.3.1 Transport PDU buffer . 236
9.3.2 Transport classes . 237
9.3.3 Common primitive definitions . 237
9.3.4 Parameters of common primitives . 238
9.3.5 Transport state machines – class 0 . 238
9.3.6 Transport state machines – class 1 . 242
9.3.7 Transport state machines – class 2 . 247
9.3.8 Transport state machines – class 3 . 255
10 DLL mapping protocol machine 1 (DMPM 1) . 265
10.1 General . 265
10.2 Link producer . 265
10.3 Link consumer . 266
10.4 Primitive definitions . 266
10.4.1 Primitives exchanged between DMPM and ARPM . 266
10.4.2 Parameters of ARPM/DMPM primitives . 266
10.4.3 Primitives exchanged between data-link layer and DMPM . 266
10.4.4 Parameters of DMPM/Data-link Layer primitives . 267
10.4.5 Network connection ID . 268
10.5 DMPM state machine . 268
– 4 – IEC 61158-6-2:2023 © IEC 2023
10.5.1 DMPM states . 268
10.5.2 Functions used by DMPM . 270
10.6 Data-link Layer service selection. 270
11 DLL mapping protocol machine 2 (DMPM 2) . 270
11.1 General . 270
11.2 Mapping of UCMM PDUs . 270
11.2.1 General . 270
11.2.2 Common requirements for Connection Manager PDU's . 272
11.2.3 Forward_Open PDU for class 2 and class 3 connections . 274
11.2.4 Forward_Open for class 0 and class 1 connections. 274
11.2.5 Forward_close . 279
11.3 Mapping of transport class 0 and class 1 PDUs. 279
11.3.1 Class 0 and class 1 PDUs. 279
11.3.2 No dependency on TCP connections . 279
11.3.3 Class 0 and class 1 packet ordering . 280
11.3.4 Screening incoming connected data . 280
11.4 Mapping of transport class 2 and class 3 PDU's . 280
11.5 IGMP Usage . 281
11.5.1 Background (informative) . 281
11.5.2 IGMP Membership Report messages . 282
11.5.3 IGMP Leave Group messages . 282
11.6 Quality of Service (QoS) for Type 2 Ethernet messages . 282
11.6.1 Overview . 282
11.6.2 DSCP format . 283
11.6.3 IEEE Std 802.1Q-2018 format . 284
11.6.4 Mapping Type 2 traffic to DSCP and IEEE Std 802.1Q-2018 . 284
11.6.5 Usage of DSCP for Type 2 Ethernet . 285
11.6.6 Usage of IEEE Std 802.1Q-2018 for Type 2 Ethernet . 285
11.6.7 User considerations with IEEE Std 802.1Q-2018 . 286
11.7 Encapsulation using TCP . 286
11.7.1 General . 286
11.7.2 Management of a TCP encapsulation session . 286
11.7.3 TCP connection management . 287
11.8 Encapsulation using UDP . 288
12 DLL mapping protocol machine 3 (DMPM 3) . 288
Bibliography . 289
Figure 1 – Attribute table format and terms . 31
Figure 2 – Service request/response parameter . 31
Figure 3 – Example of an STD . 34
Figure 4 – Network connection parameters . 56
Figure 5 – Priority/Tick_time bit definition . 59
Figure 6 – Member ID/EX description (WORD). 74
Figure 7 – Transport Class Trigger attribute . 118
Figure 8 – DN_initial_comm_characteristics attribute format . 122
Figure 9 – Segment type . 131
Figure 10 – Port segment . 132
IEC 61158-6-2:2023 © IEC 2023 – 5 –
Figure 11 – Logical segment encoding . 134
Figure 12 – Extended network segment . 141
Figure 13 – Symbolic segment encoding . 142
Figure 14 – Encapsulation message . 175
Figure 15 – FixedLengthBitString compact encoding bit placement rules . 199
Figure 16 – Example compact encoding of a SWORD FixedLengthBitString . 199
Figure 17 – Example compact encoding of a WORD FixedLengthBitString . 199
Figure 18 – Example compact encoding of a DWORD FixedLengthBitString . 200
Figure 19 – Example compact encoding of a LWORD FixedLengthBitString . 200
Figure 20 – Example 1 of formal encoding of a structure type specification . 205
Figure 21 – Example 2 of formal encoding of a structure type specification . 205
Figure 22 – Example 3 of formal encoding of a handle structure type specification . 206
Figure 23 – Example 4 of formal encoding of a handle structure type specification . 206
Figure 24 – Example 5 of abbreviated encoding of a structure type specification . 207
Figure 25 – Example 1 of formal encoding of an array type specification. 207
Figure 26 – Example 2 of formal encoding of an array type specification. 208
Figure 27 – Example 1 of abbreviated encoding of an array type specification . 209
Figure 28 – Example 2 of abbreviated encoding of an array type specification . 209
Figure 29 – I/O Connection object state transition diagram . 210
Figure 30 – Bridged Connection object state transition diagram . 215
Figure 31 – Explicit Messaging Connection object state transition diagram . 217
Figure 32 – State transition diagram of UCMM client9 . 229
Figure 33 – State transition diagram of high–end UCMM server . 231
Figure 34 – State transition diagram of low–end UCMM server . 233
Figure 35 – Sequence diagram for a UCMM with one outstanding message . 234
Figure 36 – Sequence diagram for a UCMM with multiple outstanding messages . 235
Figure 37 – TPDU buffer . 236
Figure 38 – Data flow diagram using a client transport class 0 and server transport
class 0 . 239
Figure 39 – Sequence diagram of data transfer using transport class 0 . 239
Figure 40 – Class 0 client STD . 240
Figure 41 – Class 0 server STD . 241
Figure 42 – Data flow diagram using client transport class 1 and server transport
class 1 . 242
Figure 43 – Sequence diagram of data transfer using client transport class 1 and
server transport class 1 . 243
Figure 44 – Class 1 client STD . 245
Figure 45 – Class 1 server STD . 246
Figure 46 – Data flow diagram using client transport class 2 and server transport
class 2 . 248
Figure 47 – Diagram of data transfer using client transport class 2 and server transport
class 2 without returned data . 249
Figure 48 – Sequence diagram of data transfer using client transport class 2 and
server transport class 2 with returned data . 250
Figure 49 – Class 2 client STD . 251
– 6 – IEC 61158-6-2:2023 © IEC 2023
Figure 50 – Class 2 server STD . 253
Figure 51 – Data flow diagram using client transport class 3 and server transport
class 3 . 256
Figure 52 – Sequence diagram of data transfer using client transport class 3 and
server transport class 3 without returned data . 257
Figure 53 – Sequence diagram of data transfer using client transport class 3 and
server transport class 3 with returned data . 258
Figure 54 – Class 3 client STD . 260
Figure 55 – Class 3 server STD . 263
Figure 56 – Data flow diagram for a link producer and consumer . 265
Figure 57 – State transition diagram for a link producer . 269
Figure 58 – State transition diagram for a link consumer . 270
Figure 59 – DS field in the IP header . 284
Figure 60 – IEEE Std 802.1Q-2018 tagged frame . 284
Table 1 – Get_Attributes_All response service rules . 32
Table 2 – Example class level object/service specific response data of
Get_Attributes_All . 32
Table 3 – Set_Attributes_All request service rules . 33
Table 4 – Example request data of Set_Attributes_All . 33
Table 5 – State event matrix format . 35
Table 6 – Example state event matrix . 35
Table 7 – UCMM_PDU header format . 39
Table 8 – UCMM command codes . 39
Table 9 – Transport class 0 header . 40
Table 10 – Transport class 1 header . 40
Table 11 – Transport class 2 header . 40
Table 12 – Transport class 3 header . 41
Table 13 – Real-time data header – exclusive owner . 41
Table 14 – Real-time data header– redundant owner . 41
Table 15 – Forward_Open request format . 46
Table 16 – Forward_Open_Good response format . 47
Table 17 – Forward_Open_Bad response format . 47
Table 18 – Large_Forward_Open request format . 48
Table 19 – Large_Forward_Open_Good response format . 49
Table 20 – Large_Forward_Open_Bad response format . 49
Table 21 – Forward_Close request format. 50
Table 22 – Forward_Close_Good response format . 50
Table 23 – Forward_Close_Bad response format . 51
Table 24 – Unconnected_Send request format . 52
Table 25 – Unconnected_Send_Good response format . 52
Table 26 – Unconnected_Send_Bad response format . 53
Table 27 – Get_Connection_Data request format . 54
Table 28 – Get_Connection_Data response format . 54
IEC 61158-6-2:2023 © IEC 2023 – 7 –
Table 29 – Search_Connection_Data request format . 55
Table 30 – Get_Connection_Owner request format . 55
Table 31 – Get_Connection_Owner response format . 56
Table 32 – Time-out multiplier . 59
Table 33 – Tick time units . 60
Table 34 – Encoded application path ordering. 64
Table 35 – Transport class, trigger and Is_Server format . 65
Table 36 – MR_Request_Header format . 65
Table 37 – MR_Response_Header format . 66
Table 38 – Structure of Get_Attributes_All_ResponsePDU body . 66
Table 39 – Structure of Set_Attributes_All_RequestPDU body . 67
Table 40 – Structure of Get_Attribute_List_RequestPDU body . 67
Table 41 – Structure of Get_Attribute_List_ResponsePDU body . 67
Table 42 – Structure of Set_Attribute_List_RequestPDU body . 67
Table 43 – Structure of Set_Attribute_List_ResponsePDU body . 68
Table 44 – Structure of Reset_RequestPDU body . 68
Table 45 – Structure of Reset_ResponsePDU body . 68
Table 46 – Structure of Start_RequestPDU body . 68
Table 47 – Structure of Start_ResponsePDU body . 68
Table 48 – Structure of Stop_RequestPDU body . 69
Table 49 – Structure of Stop_ResponsePDU body . 69
Table 50 – Structure of Create_RequestPDU body . 69
Table 51 – Structure of Create_ResponsePDU body . 69
Table 52 – Structure of Delete_RequestPDU body . 69
Table 53 – Structure of Delete_ResponsePDU body . 70
Table 54 – Structure of Get_Attribute_Single_ResponsePDU body . 70
Table 55 – Structure of Set_Attribute_Single_RequestPDU body . 70
Table 56 – Structure of Set_Attribute_Single_ResponsePDU body . 70
Table 57 – Structure of Find_Next_Object_Instance_RequestPDU body . 71
Table 58 – Structure of Find_Next_Object_Instance_ResponsePDU body . 71
Table 59 – Structure of Apply_Attributes_RequestPDU body . 71
Table 60 – Structure of Apply_Attributes_ResponsePDU body . 71
Table 61 – Structure of Save_RequestPDU body . 71
Table 62 – Structure of Save_ResponsePDU body . 72
Table 63 – Structure of Restore_RequestPDU body . 72
Table 64 – Structure of Restore_ResponsePDU body . 72
Table 65 – Structure of Get_Member_ResponsePDU body . 72
Table 66 – Structure of Set_Member_RequestPDU body . 72
Table 67 – Structure of Set_Member_ResponsePDU body . 73
Table 68 – Structure of Insert_Member_RequestPDU body . 73
Table 69 – Structure of Insert_Member_ResponsePDU body . 73
Table 70 – Structure of Remove_Member_ResponsePDU body . 73
Table 71 – Common structure of _Member_RequestPDU body (basic format) . 74
– 8 – IEC 61158-6-2:2023 © IEC 2023
Table 72 – Common structure of _Member_ResponsePDU body (basic format) . 75
Table 73 – Common structure of _Member_RequestPDU body (extended format) . 75
Table 74 – Common structure of _Member_ResponsePDU body (extended format) . 75
Table 75 – Extended Protocol ID. 76
Table 76 – Structure of _Member_RequestPDU body (Multiple Sequential Members) . 76
Table 77 – Structure of _Member_ResponsePDU body (Multiple Sequential Members) . 76
Table 78 – Structure of _Member_RequestPDU body (International String Selection) . 77
Table 79 – Structure of _Member_ResponsePDU body (International String Selection) . 77
Table 80 – Structure of Group_Sync_RequestPDU body . 77
Table 81 – Structure of Group_Sync_ResponsePDU body . 78
Table 82 – Structure of Multiple_Service_Packet_RequestPDU body . 78
Table 83 – Structure of Multiple_Service_Packet_ResponsePDU body . 78
Table 84 – Structure of Get_Connection_Point_Member_List_ResponsePDU body . 79
Table 85 – Identity object class attributes . 80
Table 86 – Identity object instance attributes . 80
Table 87 – Identity object Vendor ID ranges . 83
Table 88 – Identity object bit definitions for status instance attribute . 83
Table 89 – Default values for extended device status field (bits 4 to 7) of status
instance attribute . 83
Table 90 – Identity object bit definitions for protection mode instance attribute . 84
Table 91 – Identity object bit definitions for features supported attribute . 84
Table 92 – Class level object/service specific response data of Get_Attributes_All . 84
Table 93 – Instance level object/service specific response data of Get_Attributes_All . 85
Table 94 – Object-specific request parameter for Reset . 86
Table 95 – Reset service parameter values . 86
Table 96 – Communication link attributes that shall be preserved . 86
Table 97 – Structure of Flash_LEDs_Re
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