SIST EN 61158-5-2:2015
(Main)Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer service definition - Type 2 elements (IEC 61158-5-2:2014)
Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer service definition - Type 2 elements (IEC 61158-5-2:2014)
1.1 General
The fieldbus application layer (FAL) provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a “window between corresponding application programs.”
This standard 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.
This standard defines in an abstract way the externally visible service provided by the Type 2 fieldbus application layer in terms of
a) an abstract model for defining application resources (objects) capable of being manipulated by users via the use of the FAL service,
b) the primitive actions and events of the service;
c) the parameters associated with each primitive action and event, and the form which they take; and
d) the interrelationship between these actions and events, and their valid sequences.
The purpose of this standard is to define the services provided to
a) the FAL user at the boundary between the user and the application layer of the fieldbus reference model, and
b) Systems Management at the boundary between the application layer and Systems Management of the fieldbus reference model.
This standard specifies the structure and services of the Type 2 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) 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 standard to provide access to the FAL to control certain aspects of its operation.
Industrielle Kommunikationsnetze - Feldbusse - Teil 5-2: Dienstfestlegungen des Application Layer (Anwendungsschicht) - Typ 2-Elemente (IEC 61158-5-2:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 5-2: Définition des services de la couche application - Éléments de Type 2 (CEI 61158-5-2:2014)
L'IEC 61158-5-2:2014 défini les services mis en place pour l'utilisateur de FAL, à la frontière entre l'utilisateur et la couche application du modèle de référence de bus de terrain; et la Gestion des systèmes, à la frontière entre la couche application et la Gestion des systèmes selon le modèle de référence de bus de terrain. La présente norme spécifie la structure et les services de la couche application de bus de terrain de Type 2, en conformité avec le modèle de référence de base de l'OSI (ISO/CEI 7498-1) et la structure de la couche application de l'OSI (ISO/CEI 9545). Cette troisième édition annule et remplace la deuxième édition parue en 2010. Elle constitue une révision technique. Cette édition inclut les modifications majeures suivantes:
- mise à jour des définitions utilisées par l'ASE Time Sync;
- correction de la numérotation des services en 6.2;
- ajout de "membre" et des services spécifiques aux objets en 6.2.1.2.1, 6.2.1.2.3, 6.2.1.3.1, 6.2.1.3.20 à 6.2.1.3.23, 6.2.1.3.28 et 6.5;
- mise à jour de l'ASE Identity en 6.2.1.2.2;
- mise à jour de l'ASE Assembly en 6.2.1.2.3;
- mise à jour de l'ASE Message Router en 6.2.1.2.4;
- mise à jour de l'ASE Time Sync en 6.2.1.2.6;
- mise à jour des codes de statut des services FAL en 6.2.1.3.3;
- clarifications diverses des services FAL en 6.2.1.3.4 à 6.2.1.3.19;
- mise à jour de l'ASE Connection Manager en 6.2.2;
- mise à jour de l'ASE Connection en 6.2.3;
- suppression des classes de transport obsolètes 4 à 6 en 6.3.1, 6.3.3 et 6.4;
- corrections rédactionnelles diverses.
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 5-2. del: Definicija opravil na aplikacijski ravni - Elementi tipa 2 (IEC 61158-5-2:2014)
1.1 General
Aplikacijski nivo procesnih vodil (FAL) omogoča uporabniškim programom dostop do komunikacijskega okolja procesnih vodil. Glede na to je mogoče aplikacijski nivo procesnih vodil šteti za »okno med ustreznimi aplikacijami«.
Ta standard določa skupne elemente za osnovne časovno kritične in časovno nekritične sporočilne komunikacije med aplikacijami v avtomatizacijskem okolju in 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 standard na abstrakten način določa na zunaj vidno opravilo, ki ga zagotavlja aplikacijski nivo procesnih vodil tipa 2 v smislu
a) abstraktnega modela za določanje aplikacijskih virov (objektov), ki ga lahko upravljajo uporabniki prek opravila aplikacijskega nivoja procesnih vodil,
b) primitivnih dejanj in dogodkov opravila;
c) parametrov, povezanih z vsakim primitivnim dejanjem in dogodkom, ter obliko, ki jo prevzamejo; in
d) medsebojne povezave med temi dejanji in dogodki ter njihovimi veljavnimi zaporedji.
Namen tega standarda je določiti opravila, ki se zagotavljajo za
a) uporabnika FAL na meji med uporabnikom in referenčnim modelom aplikacijskega nivoja procesnega vodila, in
b) upravljanje sistemov na meji med aplikacijskim nivojem in upravljanjem sistemov za referenčni model procesnega vodila.
Ta standard določa strukturo in opravila aplikacijskega nivoja procesnih vodil tipa 2 v skladu z osnovnim referenčnim modelom OSI (ISO/IEC 7498-1) 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 in 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 standardu opredeljena tudi nekatera podporna opravila, da se omogoči dostop do aplikacijskega nivoja procesnih vodil za nadzorovanje nekaterih vidikov njegovega delovanja.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61158-5-2:2015
01-marec-2015
1DGRPHãþD
SIST EN 61158-5-2:2012
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 5-2. del:
Definicija opravil na aplikacijski ravni - Elementi tipa 2 (IEC 61158-5-2:2014)
Industrial communication networks - Fieldbus specifications - Part 5-2: Application layer
service definition - Type 2 elements (IEC 61158-5-2:2014)
Industrielle Kommunikationsnetze - Feldbusse - Teil 5-2: Dienstfestlegungen des
Application Layer (Anwendungsschicht) - Typ 2-Elemente (IEC 61158-5-2:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 5-2:
Définition des services de la couche application - Éléments de Type 2 (CEI 61158-5-
2:2014)
Ta slovenski standard je istoveten z: EN 61158-5-2:2014
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 61158-5-2:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 61158-5-2:2015
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SIST EN 61158-5-2:2015
EUROPEAN STANDARD EN 61158-5-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 25.040.40; 35.100.70; 35.110 Supersedes EN 61158-5-2:2012
English Version
Industrial communication networks - Fieldbus specifications -
Part 5-2: Application layer service definition - Type 2 elements
(IEC 61158-5-2:2014)
Réseaux de communication industriels - Spécifications Industrielle Kommunikationsnetze - Feldbusse -
des bus de terrain - Teil 5-2: Dienstfestlegungen des Application Layer
Partie 5-2: Définition des services de la couche application - (Anwendungsschicht) - Typ 2-Elemente
Eléments de type 2 (IEC 61158-5-2:2014)
(CEI 61158-5-2:2014)
This European Standard was approved by CENELEC on 2014-09-22. 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 61158-5-2:2014 E
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SIST EN 61158-5-2:2015
EN 61158-5-2:2014 - 2 -
Foreword
The text of document 65C/763/FDIS, future edition 3 of IEC 61158-5-2, 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 61158-5-2:2014.
The following dates are fixed:
(dop) 2015-06-22
• 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) 2017-09-22
standards conflicting with the
document have to be withdrawn
This document supersedes EN 61158-5-2:2012.
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 61158-5-2:2014 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 61131-1 NOTE Harmonized as EN 61131-1.
1)
IEC 61158-2:2014 NOTE Harmonized as EN 61158-2 (not modified).
IEC 61784-1:2014 NOTE Harmonized as EN 61784-1:2014 (not modified).
1)
IEC 61784-2:2014 NOTE Harmonized as EN 61784-2 (not modified).
IEC 62026-3 NOTE Harmonized as EN 62026-3 (not modified).
1)
To be published.
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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
2) 3)
IEC 61131-3 2003 Programmable controllers - EN 61131-3 2003
Part 3: Programming languages
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
4)
IEC 61158-3-2 2014 Industrial communication networks - EN 61158-3-2 -
Fieldbus specifications -
Part 3-2: Data-link layer service definition -
Type 2 elements
4)
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
4)
IEC 61158-6-2 2014 Industrial communication networks - EN 61158-6-2 -
Fieldbus specifications -
Part 6-2: Application layer protocol
specification - 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
ISO/IEC 646 - Information technology - ISO 7-bit coded - -
character set for information interchange
ISO/IEC 7498-1 - Information technology - Open Systems - -
Interconnection - Basic reference model:
The basic model
2)
Superseded by IEC 61131-3:2013.
3)
Superseded by EN 61131-3:2013 (IEC 61131-3:2013).
4)
To be published.
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EN 61158-5-2:2014 - 4 -
Publication Year Title EN/HD Year
ISO/IEC 8859-1 - Information technology - 8-bit single-byte - -
coded graphic character sets -
Part-1: Latin alphabet No. 1
5)
ISO/IEC 8859-5 1988 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part 5: Latin/Cyrillic alphabet
6)
ISO/IEC 8859-9 1989 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part 9: Latin alphabet No. 5
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/IEC/IEEE - Information technology - Microprocessor - -
60559 Systems - Floating-Point arithmetic
ISO 639-2 - Codes for the representation of names of - -
languages -
Part-2: Alpha-3 code
7)
ISO 8859-1 1987 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part 1: Latin alphabet No. 1
8)
ISO 8859-2 1987 Information processing - 8-bit single byte - -
coded graphic character sets -
Part 2: Latin alphabet No. 2
9)
ISO 8859-3 1988 Information processing - 8-bit single-byte - -
coded graphic character sets - Part-3: Latin
alphabet no. 3
10)
ISO 8859-4 1988 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part-4: Latin alphabet no. 4
11)
ISO 8859-6 1987 Information processing - 8-Bit single-byte - -
coded graphic character sets -
Part 6: Latin/Arabic alphabet
5)
Superseded by ISO/IEC 8859-5:1999.
6)
Superseded by ISO/IEC 8859-9:1999.
7)
Superseded by ISO/IEC 8859-1:1998.
8)
Superseded by ISO/IEC 8859-2:1999.
9)
Superseded by ISO/IEC 8859-3:1999.
10)
Superseded by ISO/IEC 8859-4:1998.
11)
Superseded by ISO/IEC 8859-6:1999.
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Publication Year Title EN/HD Year
12)
ISO 8859-7 1987 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part 7: Latin/Greek alphabet
13)
ISO 8859-8 1988 Information processing - 8-bit single-byte - -
coded graphic character sets -
Part-8: Latin/hebrew alphabet
14)
ISO 11898 1993 Road vehicles - Interchange of digital - -
information - Controller area network
(CAN) for high-speed communication
IETF RFC 1759 - Printer MIB - -
12)
Superseded by ISO/IEC 8859-7:2003.
13)
Superseded by ISO/IEC 8859-8:1999.
14)
Superseded by ISO 11898-1:2003 and ISO 11898-2:2003.
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SIST EN 61158-5-2:2015
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SIST EN 61158-5-2:2015
IEC 61158-5-2
®
Edition 3.0 2014-08
INTERNATIONAL
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Industrial communication networks – Fieldbus specifications –
Part 5-2: Application layer service definition – Type 2 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 5-2: Définition des services de la couche application – Eléments de type 2
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SIST EN 61158-5-2:2015
– 2 – IEC 61158-5-2:2014 © IEC 2014
CONTENTS
FOREWORD . 6
INTRODUCTION . 9
1 Scope . 10
1.1 General . 10
1.2 Specifications . 11
1.3 Conformance . 11
2 Normative references . 11
3 Terms, definitions, symbols, abbreviations and conventions . 13
3.1 ISO/IEC 7498-1 terms . 13
3.2 ISO/IEC 8822 terms . 13
3.3 ISO/IEC 9545 terms . 13
3.4 ISO/IEC 8824-1 terms . 13
3.5 Type 2 fieldbus data-link layer terms . 14
3.6 Type 2 fieldbus application-layer specific definitions. 14
3.7 Type 2 abbreviations and symbols . 22
3.8 Conventions . 23
4 Common concepts . 26
5 Data type ASE . 26
5.1 General . 26
5.2 Formal definition of data type objects . 26
5.3 FAL defined data types . 26
5.4 Data type ASE service specification . 36
6 Communication model specification . 36
6.1 Concepts . 36
6.2 ASEs . 45
6.3 ARs . 175
6.4 Summary of FAL classes . 206
6.5 Permitted FAL services by AR type . 206
Bibliography . 208
Figure 1 – Overview of ASEs and object classes . 38
Figure 2 – Addressing format using MAC, class, instance and attribute IDs . 39
Figure 3 – Identity object state transition diagram . 58
Figure 4 – Static Assembly state transition diagram . 63
Figure 5 – Dynamic Assembly state transition diagram . 64
Figure 6 – Typical timing relationships for acknowledged data production . 74
Figure 7 – Example of a COS system with two acking devices . 75
Figure 8 – Message flow in COS connection – one Connection object, one consumer . 75
Figure 9 – Message flow in COS connection – multiple consumers . 76
Figure 10 – Path Reconfiguration in a ring topology . 88
Figure 11 – CPF2 time synchronization offset clock model . 89
Figure 12 – CPF2 time synchronization system with offset clock model . 90
Figure 13 – CPF2 time synchronization group startup sequence . 93
Figure 14 – Parameter object state transition diagram . 99
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Figure 15 – Example of Find_Next_Object_Instance service . 125
Figure 16 – Transmission trigger timer . 169
Figure 17 – Inactivity watchdog timer . 170
Figure 18 – Using tools for configuration . 171
Figure 19 – Production inhibit timer . 172
Figure 20 – Context of transport services within the connection model . 178
Figure 21 – Application–to–application view of data transfer . 178
Figure 22 – Data flow diagram for a link producer . 179
Figure 23 – Data flow diagram for a link consumer . 180
Figure 24 – Triggers . 181
Figure 25 – Binding transport instances to the producer and consumer of a transport
connection that does not have a reverse data path . 182
Figure 26 – Binding transport instances to the producers and consumers of a transport
connection that does have a reverse data path . 182
Figure 27 – Binding transport instances to the producer and consumers of a multipoint
connection when the transport connection does not have a reverse data path . 183
Figure 28 – Binding transport instances to the producers and consumers of a
multipoint connection when the transport connection does have reverse data paths . 183
Table 1 – Valid IANA MIB printer codes for character set selection . 35
Table 2 – Common elements . 42
Table 3 – ST language elements . 43
Table 4 – Type conversion operations. 43
Table 5 – Values of implementation-dependent parameters . 44
Table 6 – Extensions to IEC 61131-3:2003 . 45
Table 7 – Identity object state event matrix . 59
Table 8 – Static Assembly state event matrix . 64
Table 9 – Static Assembly instance attribute access . 64
Table 10 – Dynamic Assembly state event matrix . 65
Table 11 – Dynamic Assembly instance attribute access. 65
Table 12 – Message Router object Forward_Open parameters . 68
Table 13 – Acknowledge Handler object state event matrix . 71
Table 14 – Producing I/O application object state event matrix . 72
Table 15 – Profile identification . 85
Table 16 – Profile default settings and ranges . 85
Table 17 – Profile transports . 85
Table 18 – Default PTP clock settings . 86
Table 19 – Hand_Set clock quality management . 87
Table 20 – Path Reconfiguration Signalling message . 88
Table 21 – Parameter object state event matrix . 99
Table 22 – Status codes . 101
Table 23 – Get_Attribute_All service parameters . 104
Table 24 – Set_Attribute_All service parameters . 106
Table 25 – Get_Attribute_List service parameters . 108
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Table 26 – Set_Attribute_List service parameters . 110
Table 27 – Reset service parameters . 112
Table 28 – Start service parameters . 114
Table 29 – Stop service parameters . 116
Table 30 – Create service parameters . 117
Table 31 – Delete service parameters . 119
Table 32 – Get_Attribute_Single service parameters . 120
Table 33 – Set_Attribute_Single service parameters . 122
Table 34 – Find_Next_Object_Instance service parameters . 124
Table 35 – NOP service parameters . 126
Table 36 – Apply_Attributes service parameters . 127
Table 37 – Save service parameters . 129
Table 38 – Restore service parameters . 130
Table 39 – Get_Member service parameters . 132
Table 40 – Set_Member service parameters . 134
Table 41 – Insert_Member service parameters. 135
Table 42 – Remove_Member service parameters . 137
Table 43 – Group_Sync service parameters . 138
Table 44 – Add_AckData_Path service parameters . 140
Table 45 – Remove_AckData_Path service parameters . 141
Table 46 – Get_Enum_String service parameters . 142
Table 47 – Symbolic_Translation service parameters . 144
Table 48 – CM_Open service parameters . 152
Table 49 – CM_Close service parameters . 154
Table 50 – CM_ Unconnected_Send service parameters . 156
Table 51 – CM_Get_Connection_Data service parameters . 158
Table 52 – CM_Search_Connection_Data service parameters . 160
Table 53 – CM_Get_Connection_Data service parameters . 161
Table 54 – I/O Connection object attribute access . 166
Table 55 – Bridged Connection object attribute access . 166
Table 56 – Explicit messaging object attribute access . 167
Table 57 – Connection_Bind service parameters . 173
Table 58 – Service_Name service parameters . 174
Table 59 – How production trigger, transport class, and CM_RPI determine when data
is produced . 177
Table 60 – Transport classes . 188
Table 61 – UCMM_Create service parameters . 199
Table 62 – UCMM_Delete service parameters . 200
Table 63 – UCMM_Write service parameters . 200
Table 64 – UCMM_Abort service parameters . 202
Table 65 – TR_Write service parameters . 203
Table 66 – TR_Trigger service parameters . 203
Table 67 – TR_Packet_arrived service parameters . 204
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Table 68 – TR_Ack_received service parameters . 204
Table 69 – TR_Verify service parameters . 205
Table 70 – TR_Status_updated service parameters . 205
Table 71 – FAL class summary . 206
Table 72 – FAL services by AR type . 207
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
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INDUSTRIAL COMMUNICATION NETWORKS –
FIELDBUS SPECIFICATIONS –
Part 5-2: Application layer service definition –
Type 2 elements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their nati
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