Industrial communication networks - Fieldbus specifications - Part 6-12: Application layer protocol specification - Type 12 elements (IEC 61158-6-12:2019)

This document 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 12 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. This International Standard defines in an abstract way the externally visible behavior provided by the different Types of the fieldbus Application Layer in terms of a) the abstract syntax defining the application layer protocol data units conveyed between communicating application entities, b) the transfer syntax defining the application layer protocol data units conveyed between communicating application entities, c) the application context state machine defining the application service behavior visible between communicating application entities; and d) the application relationship state machines defining the communication behavior visible between communicating application entities; and. The purpose of this document is to define the protocol provided to a) define the wire-representation of the service primitives defined in IEC 61158-5-12, and b) define the externally visible behavior associated with their transfer. This document specifies the protocol of the IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). FAL services and protocols are provided by FAL application-entities (AE) contained within the application processes. The FAL AE is composed of a set of object-oriented Application Service Elements (ASEs) and a Layer Management Entity (LME) that manages the AE. The ASEs provide communication services that operate on a set of related application process object (APO) classes. One of the FAL ASEs is a management ASE that provides a common set of services for the management of the instances of FAL classes. Although these services specify, from the perspective of applications, how request and responses are issued and delivered, they do not include a specification of what the requesting and responding applications are to do with them. That is, the behavioral aspects of the applications are not specified; only a definition of what requests and responses they can send/receive is specified. This permits greater flexibility to the FAL users in standardizing such object behavior. In addition to these services, some supporting services are also defined in this document to provide access to the FAL to control certain aspects of its operation.

Industrielle Kommunikationsnetze - Feldbusse - Teil 6-12: Protokollspezifikation des Application Layer (Anwendungsschicht) - Typ 12-Elemente (IEC 61158-6-12:2019)

Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-12: Spécification du protocole de la couche application - Eléments de type 12 (IEC 61158-6-12:2019)

L’IEC 61158-6-12:2019 fournit des éléments communs pour les communications de messagerie prioritaires et non prioritaires élémentaires entre les programmes d’application des environnements d’automatisation et le matériel spécifique au bus de terrain de type 12. On utilise le terme "prioritaire" pour traduire la présence d’une fenêtre temporelle, à l’intérieur de laquelle il est exigé qu’une ou plusieurs actions spécifiées soient terminées avec un niveau de certitude défini. Si les actions spécifiées ne sont pas réalisées dans la fenêtre temporelle, les applications demandant les actions risquent de connaître une défaillance, avec les risques que cela comporte pour les équipements, les installations et éventuellement la vie humaine.
La présente norme définit de manière abstraite le comportement, visible par un observateur externe, assuré par les différents Types de la couche Application de bus de terrain, en termes
a) de syntaxe abstraite définissant les unités de données de protocole de la couche Application, transmises entre les entités d’application en communication,
b) de syntaxe de transfert définissant les unités de données de protocole de la couche Application, transmises entre les entités d’application en communication;
c) de diagramme d’états de contexte d’application définissant le comportement de service d’application observable entre les entités d’application en communication; et
d) de diagrammes d’états de relations entre applications définissant le comportement de communication visible entre les entités d’application en communication

Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 6-12. del: Specifikacija protokola na aplikacijski ravni - Elementi tipa 12 (IEC 61158-6-12:2019)

Ta dokument določa skupne elemente za osnovne časovno kritične in časovno nekritične sporočilne komunikacije med aplikacijami v avtomatizacijskem okolju ter materialu, specifičnem za procesna vodila tipa 12. 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 mednarodni standard na abstrakten način določa zunanje vidno vedenje, ki ga zagotavljajo različni tipi aplikacijskega nivoja procesnih vodil v zvezi s/z: a) abstraktno sintakso, ki opredeljuje podatkovne enote protokola aplikacijskega nivoja, ki se prenašajo med aplikacijskimi osebki, ki komunicirajo, b) prenosno sintakso, ki opredeljuje podatkovne enote protokola aplikacijskega nivoja, ki se prenašajo med aplikacijskimi osebki, ki komunicirajo, c) strojem stanj aplikacijskega konteksta, ki opredeljuje vedenje aplikacijskega opravila, vidnega med aplikacijskimi osebki, ki komunicirajo, in d) stroji stanj aplikacijskega razmerja, ki opredeljujejo komunikacijsko vedenje med aplikacijskimi osebki, ki komunicirajo. Namen tega standarda je opredeliti protokol za: a) določitev žične predstavitve primitivov opravil iz standarda IEC 61158-5-12 in b) določitev zunanje vidnega vedenja, povezanega z njihovim prenosom. Ta dokument določa protokol aplikacijskega nivoja procesnih vodil IEC v skladu z osnovnim referenčnim modelom OSI (ISO/IEC 7498) in strukturo aplikacijskega nivoja OSI (ISO/IEC 9545). Opravila in protokole aplikacijskega nivoja procesnih vodil zagotavljajo aplikacijski osebki (AE) aplikacijskega nivoja procesnih vodil znotraj aplikacijskih procesov. Aplikacijski osebek aplikacijskega nivoja procesnih vodil sestavljata sklop objektno usmerjenih aplikacijskih opravilnih elementov (ASE) in osebek za upravljanje nivojev (LME), ki upravlja aplikacijski osebek. Aplikacijski opravilni elementi zagotavljajo komunikacijska opravila, ki delujejo na sklopu povezanih razredov objektov aplikacijskega procesa (APO). Med aplikacijske opravilne elemente aplikacijskega nivoja procesnih vodil spada aplikacijski opravilni element za upravljanje, ki zagotavlja skupen sklop opravil za upravljanje primerkov razredov aplikacijskega nivoja procesnih vodil. Čeprav ta opravila določajo način izdajanja ter dostavljanja zahtev in odzivov z vidika aplikacij, ne zajemajo specifikacije v zvezi s tem, kako naj se nanje odzovejo aplikacije, ki te zahteve in odzive oddajajo. To pomeni, da vedenjski vidiki aplikacij niso opredeljeni; opredeljena je le definicija zahtev in odzivov, ki jih lahko pošiljajo/prejemajo. Tako se uporabnikom aplikacijskega nivoja procesnih vodil omogoči večja prilagodljivost pri standardizaciji takega vedenja objektov. Poleg teh opravil so v tem dokumentu opredeljena tudi nekatera podporna opravila, da se omogoči dostop do aplikacijskega nivoja procesnih vodil za nadzorovanje nekaterih vidikov njegovega delovanja.

General Information

Status
Published
Publication Date
10-Oct-2019
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Aug-2019
Due Date
04-Nov-2019
Completion Date
11-Oct-2019

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SLOVENSKI STANDARD
SIST EN IEC 61158-6-12:2019
01-november-2019
Nadomešča:
SIST EN 61158-6-12:2015
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 6-12. del:
Specifikacija protokola na aplikacijski ravni - Elementi tipa 12 (IEC 61158-6-
12:2019)
Industrial communication networks - Fieldbus specifications - Part 6-12: Application layer
protocol specification - Type 12 elements (IEC 61158-6-12:2019)
Industrielle Kommunikationsnetze - Feldbusse - Teil 6-12: Protokollspezifikation des
Application Layer (Anwendungsschicht) - Typ 12-Elemente (IEC 61158-6-12:2019)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 6-12:
Spécification du protocole de la couche application - Eléments de type 12 (IEC 61158-6-
12:2019)
Ta slovenski standard je istoveten z: EN IEC 61158-6-12:2019
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 IEC 61158-6-12:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 61158-6-12:2019

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SIST EN IEC 61158-6-12:2019


EUROPEAN STANDARD EN IEC 61158-6-12

NORME EUROPÉENNE

EUROPÄISCHE NORM
August 2019
ICS 25.040.40; 35.100.70; 35.110 Supersedes EN 61158-6-12:2014 and all of its
amendments and corrigenda (if any)
English Version
Industrial communication networks - Fieldbus specifications -
Part 6-12: Application layer protocol specification - Type 12
elements
(IEC 61158-6-12:2019)
Réseaux de communication industriels - Spécifications des Industrielle Kommunikationsnetze - Feldbusse - Teil 6-12:
bus de terrain - Partie 6-12: Spécification du protocole de la Protokollspezifikation des Application Layer
couche application - Eléments de type 12 (Anwendungsschicht) - Typ 12-Elemente
(IEC 61158-6-12:2019) (IEC 61158-6-12:2019)
This European Standard was approved by CENELEC on 2019-07-25. 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,
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
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 61158-6-12:2019 E

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SIST EN IEC 61158-6-12:2019
EN IEC 61158-6-12:2019 (E)
European foreword
The text of document 65C/948/FDIS, future edition 4 of IEC 61158-6-12, 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-
12:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-04-25
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-07-25
document have to be withdrawn

This document supersedes EN 61158-6-12:2014 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.
Endorsement notice
The text of the International Standard IEC 61158-6-12:2019 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 61158-1:2019 NOTE Harmonized as EN IEC 61158-1:2019 (not modified)
IEC 61158-4-12 NOTE Harmonized as EN IEC 61158-4-12
IEC 61784-1 NOTE Harmonized as EN IEC 61784-1
IEC 61784-2 NOTE Harmonized as EN IEC 61784-2

2

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SIST EN IEC 61158-6-12:2019
EN IEC 61158-6-12:2019 (E)
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 61158-3-12 -  Industrial communication networks - EN IEC 61158-3-12 -
Fieldbus specifications - Part 3-12: Data-
link layer service definition - Type 12
elements
IEC 61158-5-12 -  Industrial communication networks - EN IEC 61158-5-12 -
Fieldbus specifications - Part 5-12:
Application layer service definition - Type
12 elements
IEC 61158-6 series Industrial communication networks - - -
Fieldbus specifications - Part 6: Application
layer protocol specification
ISO/IEC 7498-1 -  Information technology - Open Systems - -
Interconnection - Basic reference model:
The basic model
ISO/IEC 7498-3 -  Information technology - Open Systems - -
Interconnection - Basic reference model:
Naming and addressing
ISO/IEC 9545 -  Information technology - Open Systems - -
Interconnection - Application layer
structure
ISO/IEC 9899 -  Information technology – Programming - -
languages – C
ISO/IEC 10731 -  Information technology - Open Systems - -
Interconnection - Basic Reference Model -
Conventions for the definition of OSI
services
IEEE Std 802.1D - IEEE standard for Local and metropolitan
area networks – Common specifications –
Media access control (MAC) Bridges
IEEE Std 802.1Q - IEEE standard for Local and metropolitan
area networks – Bridges and Bridged
Networks
IETF RFC 768 -  User Datagram Protocol - -
IETF RFC 791 -  Internet protocol darpa internet program - -
protocol specification
3

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SIST EN IEC 61158-6-12:2019
EN IEC 61158-6-12:2019 (E)
IETF RFC 826 -  Ethernet Address Resolution Protocol: Or - -
Converting Network Protocol Addresses to
48.bit Ethernet Address for Transmission
on Ethernet Hardware
ISO/IEC/IEEE -  Information technology - Microprocessor - -
60559 Systems - Floating-Point arithmetic
ISO/IEC/IEEE 8802--  Standard for Ethernet - -
3

4

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SIST EN IEC 61158-6-12:2019



IEC 61158-6-12

®


Edition 4.0 2019-06




INTERNATIONAL



STANDARD



















Industrial communication networks – Fieldbus specifications –

Part 6-12: Application layer protocol specification – Type 12 elements



























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-7011-0




  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 IEC 61158-6-12:2019
– 2 – IEC 61158-6-12:2019 © IEC 2019
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 11
1.1 General . 11
1.2 Specifications . 12
1.3 Conformance . 12
2 Normative references . 12
3 Terms, definitions, symbols, abbreviations and conventions . 13
3.1 Reference model terms and definitions . 13
3.2 Service convention terms and definitions . 14
3.3 Application layer definitions . 14
3.4 Common symbols and abbreviations . 19
3.5 Additional symbols and abbreviations . 20
3.6 Conventions . 20
3.6.1 General concept . 20
3.6.2 Convention for the encoding of reserved bits and octets . 21
3.6.3 Conventions for the common codings of specific field octets . 21
3.6.4 Abstract syntax conventions . 22
3.6.5 State machine conventions . 23
4 Application layer protocol specification . 25
4.1 Operating principle . 25
4.2 Node reference model . 25
4.2.1 Mapping onto OSI basic reference model. 25
4.2.2 Data Link Layer features . 26
4.2.3 Application Layer structure . 26
5 FAL syntax description . 27
5.1 Coding principles . 27
5.2 Data types and encoding rules . 27
5.2.1 General description of data types and encoding rules . 27
5.2.2 Encoding of a Boolean value . 27
5.2.3 Encoding of a Time Of Day with and without date indication value . 27
5.2.4 Encoding of a Time Difference with and without date indication value . 28
5.2.5 Transfer syntax for bit sequences . 28
5.2.6 Encoding of a Unsigned Integer value . 28
5.2.7 Encoding of a Signed Integer value . 29
5.2.8 Encoding of a Floating Point value . 30
5.2.9 Encoding of a Visible String value. 30
5.2.10 Encoding of a Unicode String value . 30
5.2.11 Encoding of an Octet String value . 30
5.2.12 Encoding of GUID . 30
5.3 AR coding . 30
5.3.1 AL Control Request (Indication) . 30
5.3.2 AL Control Response (Confirmation) . 31
5.3.3 AL State Changed . 33
5.3.4 AL AR Attributes . 34
5.4 SII coding . 36

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IEC 61158-6-12:2019 © IEC 2019 – 3 –
5.5 Isochronous PDI coding . 41
5.6 CoE coding . 43
5.6.1 PDU structure . 43
5.6.2 SDO . 44
5.6.3 SDO Information . 56
5.6.4 Emergency . 65
5.6.5 Process Data . 69
5.6.6 Command . 70
5.6.7 Object Dictionary . 71
5.7 EoE coding . 81
5.7.1 Initiate EoE . 81
5.7.2 EoE Fragment Data . 83
5.7.3 Data element for EoE . 84
5.7.4 Set IP Parameter . 85
5.7.5 Set Address Filter . 88
5.8 FoE Coding . 90
5.8.1 Read Request . 90
5.8.2 Write Request . 91
5.8.3 Data Request . 92
5.8.4 Ack Request . 93
5.8.5 Error Request . 94
5.8.6 Busy Request . 95
6 FAL protocol state machines . 96
6.1 Overall structure . 96
6.1.1 Overview . 96
6.1.2 Fieldbus Service Protocol Machines (FSPM). 97
6.1.3 Application Relationship Protocol Machines (ARPM) . 97
6.1.4 DLL Mapping Protocol Machines (DMPM) . 98
6.2 AP-Context state machine . 98
6.3 FAL service protocol machine (FSPM) . 98
6.4 Application Relationship Protocol Machines (ARPMs) . 98
6.4.1 AL state machine . 98
6.4.2 Mailbox handler state machine . 117
6.4.3 CoE state machine . 118
6.4.4 EoE state machine . 129
6.4.5 FoE state machine . 136
6.5 DLL mapping protocol machine (DMPM) . 141
Bibliography . 142

Figure 1 – Common structure of specific fields . 21
Figure 2 – Type description example. 22
Figure 3 – Slave Node Reference Model . 26
Figure 4 – Encoding of Time of Day value . 27
Figure 5 – Encoding of Time Difference value . 28
Figure 6 – AL Control Request structure . 30
Figure 7 – AL Control Response structure . 31
Figure 8 – AL State Changed structure . 34

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SIST EN IEC 61158-6-12:2019
– 4 – IEC 61158-6-12:2019 © IEC 2019
Figure 9 – PDI Control type description . 34
Figure 10 – Sync Configuration type description . 35
Figure 11 – Distributed Clock sync and latch type description . 41
Figure 12 – CoE general structure . 43
Figure 13 – SDO Download Expedited Request structure . 44
Figure 14 – SDO Download Expedited Response structure . 45
Figure 15 – SDO Download Normal Request structure . 46
Figure 16 – Download SDO Segment Request structure . 48
Figure 17 – Download SDO Segment Response structure . 49
Figure 18 – SDO Upload Expedited Request structure . 49
Figure 19 – SDO Upload Expedited Response structure . 50
Figure 20 – SDO Upload Normal Response structure . 52
Figure 21 – Upload SDO Segment Request structure . 53
Figure 22 – Upload SDO Segment Response structure . 53
Figure 23 – Abort SDO Transfer Request structure . 54
Figure 24 – SDO Information Service structure . 57
Figure 25 – Get OD List Request structure . 58
Figure 26 – Get OD List Response structure . 59
Figure 27 – Get Object Description Request structure . 60
Figure 28 – Get Object Description Response structure . 61
Figure 29 – Get Entry Description Request structure . 62
Figure 30 – Get Entry Description Response structure . 63
Figure 31 – SDO Info Error Request structure . 64
Figure 32 – EoE general structure . 81
Figure 33 – EoE Timestamp structure . 82
Figure 34 – EoE Fragment Data structure . 83
Figure 35 – Set IP Parameter Request structure . 85
Figure 36 – Set IP Parameter Response structure . 87
Figure 37 – Set MAC Filter Request structure . 88
Figure 38 – Set MAC Filter Response structure . 89
Figure 39 – Read Request structure. 90
Figure 40 – Write Request structure . 91
Figure 41 – Data Request structure . 92
Figure 42 – Ack Request structure . 93
Figure 43 – Error Request structure . 94
Figure 44 – Busy Request structure . 96
Figure 45 – Relationship among Protocol Machines . 97
Figure 46 – AR Protocol machines . 98
Figure 47 – ESM Diagramm . 100

Table 1 – PDU element description example . 22
Table 2 – Example attribute description . 23
Table 3 – State machine description elements . 24

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Table 4 – Description of state machine elements . 24
Table 5 – Conventions used in state machines . 24
Table 6 – Transfer Syntax for bit sequences . 28
Table 7 – Transfer syntax for data type Unsignedn . 29
Table 8 – Transfer syntax for data type Integern . 30
Table 9 – AL Control Description . 31
Table 10 – AL Control Response . 32
Table 11 – AL Status Codes . 32
Table 12 – AL State Changed . 34
Table 13 – PDI Control . 35
Table 14 – PDI Configuration . 35
Table 15 – Sync Configuration . 35
Table 16 – Slave Information Interface Area . 36
Table 17 – Slave Information Interface Categories . 37
Table 18 – Mailbox Protocols Supported Types . 37
Table 19 – Categories Types . 37
Table 20 – Structure Category String . 38
Table 21 – Structure Category General . 38
Table 22 – Identification Methods . 39
Table 23 – Structure Category FMMU . 39
Table 24 – Structure Category SyncM for each Element . 40
Table 25 – Structure Category TXPDO and RXPDO for each PDO . 40
Table 26 – Structure PDO Entry . 41
Table 27 – Distributed Clock sync parameter . 42
Table 28 – Distributed Clock latch data . 43
Table 29 – CoE elements . 44
Table 30 – SDO Download Expedited Request . 45
Table 31 – SDO Download Expedited Response . 46
Table 32 – SDO Download Normal Request . 47
Table 33 – Download SDO Segment Request . 48
Table 34 – Download SDO Segment Response. 49
Table 35 – SDO Upload Expedited Request . 50
Table 36 – SDO Upload Expedited Response . 51
Table 37 – SDO Upload Normal Response. 52
Table 38 – Upload SDO Segment Request. 53
Table 39 – Upload SDO Segment Response . 54
Table 40 – Abort SDO Transfer Request . 55
Table 41 – SDO Abort Codes . 56
Table 42 – SDO Information Service . 57
Table 43 – Get OD List Request . 58
Table 44 – Get OD List Response .
...

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