EN IEC 62453-2:2022

SLOVENSKI STANDARD
01-december-2022
Nadomešča:
SIST EN 62453-2:2017
Specifikacija vmesnika orodja procesne naprave - 2. del: Osnutki in podrobna
razlaga (IEC 62453-2:2022)
Field device tool (FDT) interface specification - Part 2: Concepts and detailed description
(IEC 62453-2:2022)
Field Device Tool (FDT)-Schnittstellenspezifikation - Teil 2: Konzept und grundlegende
Beschreibung (IEC 62453-2:2022)
Spécification des interfaces des outils des dispositifs de terrain (FDT) - Partie 2:
Concepts et description détaillée (IEC 62453-2:2022)
Ta slovenski standard je istoveten z: EN IEC 62453-2:2022
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62453-2

NORME EUROPÉENNE
EUROPÄISCHE NORM October 2022
ICS 25.040.40; 35.100.05; 35.110 Supersedes EN 62453-2:2017
English Version
Field device tool (FDT) interface specification - Part 2: Concepts
and detailed description
(IEC 62453-2:2022)
Spécification des interfaces des outils des dispositifs de Field Device Tool (FDT)-Schnittstellenspezifikation - Teil 2:
terrain (FDT) - Partie 2: Concepts et description détaillée Konzept und grundlegende Beschreibung
(IEC 62453-2:2022) (IEC 62453-2:2022)
This European Standard was approved by CENELEC on 2022-10-05. 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
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62453-2:2022 E

European foreword
The text of document 65E/906/FDIS, future edition 3 of IEC 62453-2, prepared by SC 65E "Devices
and integration in enterprise systems" of IEC/TC 65 "Industrial-process measurement, control and
automation" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2023-07-05
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-10-05
document have to be withdrawn
This document supersedes EN 62453-2:2017 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 62453-2:2022 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/TR 62453-41 NOTE Harmonized as CLC/TR IEC 62453-41
IEC/TR 62453-42 NOTE Harmonized as CLC/TR IEC 62453-42
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 61131 series Programmable controllers EN 61131 series
IEC/TR 62390 2005 Common automation device - Profile - -
guideline
IEC 62453-1 2016 Field device tool (FDT) interface specification EN 62453-1 2017
- Part 1: Overview and guidance
IEC 62453-3xy series Field device tool (FDT) interface specification EN 62453-3xy series
- Part 3xy: Communication profile integration

IEC 62453-2 ®
Edition 3.0 2022-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Field device tool (FDT) interface specification –
Part 2: Concepts and detailed description
Spécification des interfaces des outils des dispositifs de terrain (FDT) –
Partie 2: Concepts et description détaillée
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.05; 35.110 ISBN 978-2-8322-4532-3
– 2 – IEC 62453-2:2022 © IEC 2022
CONTENTS
FOREWORD . 10
INTRODUCTION . 12
1 Scope . 13
2 Normative references . 13
3 Terms, definitions, symbols, abbreviated terms and conventions . 13
3.1 Terms and definitions . 13
3.2 Symbols and abbreviated terms . 14
3.3 Conventions . 14
3.3.1 Use of UML . 14
3.3.2 State availability statement . 14
3.3.3 Data type names and references to data types . 14
4 Fundamentals . 14
4.1 General . 14
4.2 Abstract FDT model . 15
4.2.1 FDT model overview . 15
4.2.2 Frame Application (FA) . 18
4.2.3 Device Type Manager (DTM) . 19
4.2.4 Channel object . 26
4.3 Modularity . 28
4.4 Bus categories . 28
4.5 Identification . 29
4.5.1 DTM instance identification . 29
4.6 System and FDT topology . 30
4.7 FDT Communication . 31
4.7.1 General . 31
4.7.2 Handling of communication requests . 32
4.7.3 Handling of communication errors . 32
4.7.4 Handling of loss of connection . 32
4.7.5 Point-to-point communication . 32
4.7.6 Nested communication . 33
4.8 DTM, DTM Device Type and hardware identification information . 35
4.8.1 DTM and DTM Device Type . 35
4.8.2 Supported hardware identification . 36
4.8.3 Connected hardware identification . 36
4.9 DTM data persistence and synchronization . 37
4.10 DTM device parameter access . 38
4.11 DTM state machine . 38
4.11.1 DTM states . 38
4.11.2 'Communication allowed' substates. 39
4.12 Basic operation phases . 40
4.12.1 Roles and access rights . 40
4.12.2 Operation phases . 40
4.13 FDT version interoperability . 41
4.13.1 Version interoperability overview . 41
4.13.2 DTM and device versions. 42
4.13.3 Persistence . 42

IEC 62453-2:2022 © IEC 2022 – 3 –
4.13.4 Nested communication . 43
5 FDT session model and use cases . 43
5.1 Session model overview. 43
5.2 Actors . 44
5.3 Use cases . 46
5.3.1 Use case overview . 46
5.3.2 Observation . 46
5.3.3 Operation . 46
5.3.4 Maintenance . 50
5.3.5 Planning . 53
5.3.6 OEM service . 56
5.3.7 Administration. 56
6 General concepts . 57
6.1 Address management . 57
6.2 Scanning and DTM assignment . 58
6.2.1 Scanning overview . 58
6.2.2 Scanning . 58
6.2.3 DTM assignment . 59
6.2.4 Manufacturer-specific device identification . 59
6.2.5 Scan for communication hardware . 60
6.3 Configuration of Fieldbus Master or Communication Scheduler . 60
6.4 PLC tool support . 61
6.4.1 General . 61
6.4.2 Process image modifications while PLC is running . 62
6.5 Slave redundancy . 63
6.5.1 Redundancy overview . 63
6.5.2 Redundancy support in Frame Application . 64
6.5.3 Parent component for redundant fieldbus . 64
6.5.4 Redundancy support in Device DTM . 65
6.5.5 Scan and redundant slaves . 65
7 FDT service specification . 65
7.1 Service specification overview . 65
7.2 DTM services . 66
7.2.1 General services. 66
7.2.2 DTM services related to installation . 68
7.2.3 DTM services related to DTM/device information . 69
7.2.4 DTM services related to the DTM state machine . 71
7.2.5 DTM services related to functions . 74
7.2.6 DTM services related to Channel objects – service GetChannels . 77
7.2.7 DTM services related to documentation – service GetDocumentation . 77
7.2.8 DTM services to access the instance data . 77
7.2.9 DTM services to evaluate the instance data . 79
7.2.10 DTM services to access the device data . 80
7.2.11 DTM services related to network management information . 81
7.2.12 DTM services related to online operation . 82
7.2.13 DTM services related to data synchronization . 84
7.2.14 DTM services related to import and export . 86
7.3 Presentation object services . 86
7.4 Channel object service . 87

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7.4.1 Channel object service overview . 87
7.4.2 Service ReadChannelInformation . 87
7.4.3 Service WriteChannelInformation . 87
7.5 Process Channel object services – services for I/O related information . 87
7.5.1 Service ReadChannelData . 87
7.5.2 Service WriteChannelData . 88
7.6 Communication Channel object services . 88
7.6.1 Services related to communication . 88
7.6.2 Services related to sub-topology management . 92
7.6.3 Services related to GUI and functions . 94
7.6.4 Service Scan . 95
7.7 Frame Application services . 96
7.7.1 General state availability . 96
7.7.2 FA services related to general events . 96
7.7.3 FA services related to topology management . 97
7.7.4 FA services related to redundancy . 100
7.7.5 FA services related to storage of DTM data . 101
7.7.6 FA services related to DTM data synchronization. 102
7.7.7 FA service related to process image validation – service
ValidateProcessImage . 103
7.7.8 FA services related to presentation . 104
7.7.9 FA Services related to audit trail – service RecordAuditTrailEvent . 105
8 FDT dynamic behavior . 105
8.1 Generate FDT topology . 105
8.1.1 FDT topology generation triggered by the Frame Application . 105
8.1.2 FDT topology generation triggered by the DTM . 106
8.2 Address setting . 107
8.2.1 Address setting overview . 107
8.2.2 Set or modify device address – with user interface . 107
8.2.3 Set or modify device address – without user interface . 107
8.2.4 Display or modify all child device addresses with user interface . 108
8.3 Communication . 109
8.3.1 Communication overview . 109
8.3.2 Point-to-point communication . 109
8.3.3 Nested communication . 109
8.3.4 Device-initiated data transfer . 110
8.4 Scanning and DTM assignment . 111
8.5 Multi-user scenarios . 112
8.5.1 General . 112
8.5.2 Synchronized and non-synchronized locking mechanism for DTMs . 114
8.5.3 Additional rules . 116
8.6 Notification of changes. 116
8.7 DTM instance data state machines . 116
8.7.1 Instance data set overview . 116
8.7.2 Modifications state machine . 117
8.7.3 Persistence state machine . 118
8.7.4 Modification in device . 118
8.7.5 Storage life cycle . 119
8.8 Parent component handling redundant slave . 120

IEC 62453-2:2022 © IEC 2022 – 5 –
8.9 DTM upgrade . 121
8.9.1 General rules . 121
8.9.2 Saving data from a DTM to be upgraded . 122
8.9.3 Loading data in the replacement DTM. 122
Annex A (normative) FDT data types definition . 124
A.1 General . 124
A.2 Basic data types . 125
A.3 General data types. 125
A.4 User information data types . 141
A.5 DTM information data type . 142
A.6 BTM data types . 142
A.7 Device and Scan identification data types . 144
A.8 Function data types . 148
A.9 AuditTrail data types . 151
A.10 Documentation data types . 152
A.11 DeviceList data type . 153
A.12 Network management data types . 155
A.13 Instance data types . 156
A.14 DeviceStatus data types . 161
A.15 OnlineCompare data types . 161
A.16 UserInterface data types . 162
A.17 Fieldbus-specific data types . 163
Bibliography . 165

Figure 1 – Part 2 of the IEC 62453 series . 12
Figure 2 – Abstract FDT model . 15
Figure 3 – Frame Application with integrated Communication Channel . 19
Figure 4 – Device Type Manager (DTM) . 19
Figure 5 – Communication DTM . 20
Figure 6 – Device DTM . 21
Figure 7 – Gateway DTM . 21
Figure 8 – Composite Device DTM . 22
Figure 9 – Module DTM . 23
Figure 10 – Block Type Manager (BTM) . 24
Figure 11 – Presentation object . 25
Figure 12 – Channel object . 26
Figure 13 – Communication Channel . 27
Figure 14 – Combined Process/Communication Channel . 28
Figure 15 – Identification of connected devices . 29
Figure 16 – FDT topology for a simple system topology . 30
Figure 17 – FDT topology for a complex system topology . 31
Figure 18 – Point-to-point communication . 33
Figure 19 – Nested communication . 34
Figure 20 – DTM, DTM Device Type and device identification information. 35
Figure 21 – Connected hardware identification . 36
Figure 22 – FDT storage and synchronization mechanisms . 37

– 6 – IEC 62453-2:2022 © IEC 2022
Figure 23 – DTM state machine . 38
Figure 24 – Substates of communication allowed . 39
Figure 25 – Main use case diagram . 44
Figure 26 – Observation use cases . 46
Figure 27 – Operation use cases . 47
Figure 28 – Maintenance use cases . 50
Figure 29 – Planning use cases . 54
Figure 30 – OEM Service . 56
Figure 31 – Administrator use cases . 56
Figure 32 – Address setting via DTM Presentation object . 58
Figure 33 – Fieldbus scanning . 59
Figure 34 – Fieldbus master configuration tool as part of a DTM . 61
Figure 35 – Process Image . 62
Figure 36 – Transfer of layout information using ProcessImage services. 62
Figure 37 – Redundancy scenarios . 63
Figure 38 – FDT topology generation triggered by the Frame Applications . 106
Figure 39 – FDT topology generation triggered by a DTM . 106
Figure 40 – Set or modify device address – with user interface . 107
Figure 41 – Set or modify device address – without user interface . 108
Figure 42 – Set or modify all device addresses – with user interface . 108
Figure 43 – Point-to-point communication . 109
Figure 44 – Nested communication . 110
Figure 45 – Device-initiated data transfer . 111
Figure 46 – Scanning and DTM assignment . 112
Figure 47 – Multi-user system . 113
Figure 48 – General synchronized locking mechanism . 114
Figure 49 – General non-synchronized locking mechanism . 115
Figure 50 – Parameterization in the case of synchronized locking mechanism . 115
Figure 51 – Modifications state machine of instance data . 117
Figure 52 – Persistence state machine of instance data . 118
Figure 53 – Management of redundant topology . 121
Figure 54 – Associating data to a dataSetId . 122
Figure 55 – Loading data for a supported dataSetId . 123

Table 1 – Description of FDT objects . 16
Table 2 – Description of associations between FDT objects . 17
Table 3 – Transitions of DTM states . 39
Table 4 – Transitions of DTM 'communication allowed' substates. 40
Table 5 – Operation phases . 41
Table 6 – Actors . 45
Table 7 – Operation use cases . 48
Table 8 – Maintenance use cases . 51
Table 9 – Planning use cases . 54

IEC 62453-2:2022 © IEC 2022 – 7 –
Table 10 – Administrator use cases . 57
Table 11 – Arguments for service PrivateDialogEnabled . 66
Table 12 – Arguments for service SetLanguage . 67
Table 13 – Arguments for service SetSystemGuiLabel . 68
Table 14 – Arguments for service GetTypeInformation (for DTM) . 69
Table 15 – Arguments for service GetTypeInformation (for BTM) . 69
Table 16 – Arguments for service GetIdentificationInformation (for DTM) . 69
Table 17 – Arguments for service GetIdentificationInformation (for BTM) . 70
Table 18 – Arguments for service Hardware information (for DTM) . 70
Table 19 – Arguments for service GetActiveTypeInfo . 70
Table 20 – Arguments for service GetActiveTypeInfo (for BTM) . 71
Table 21 – Arguments for service Initialize (for DTM) . 71
Table 22 – Arguments for service Initialize (for BTM) . 72
Table 23 – Arguments for service SetLinkedCommunicationChannel . 72
Table 24 – Arguments for service EnableCommunication . 72
Table 25 – Arguments for service ReleaseLinkedCommunicationChannel . 73
Table 26 – Arguments for service ClearInstanceData . 73
Table 27 – Arguments for service Terminate . 74
Table 28 – Arguments for service GetFunctions . 74
Table 29 – Arguments for service InvokeFunctions . 75
Table 30 – Arguments for service GetGuiInformation . 75
Table 31 – Arguments for service OpenPresentation . 76
Table 32 – Arguments for service ClosePresentation . 76
Table 33 – Arguments for service GetChannels . 77
Table 34 – Arguments for service GetDocumentation . 77
Table 35 – Arguments for service InstanceDataInformation . 78
Table 36 – Arguments for service InstanceDataRead . 78
Table 37 – Arguments for service InstanceDataWrite . 79
Table 38 – Arguments for service Verify . 79
Table 39 – Arguments for service CompareDataValueSets . 79
Table 40 – Arguments for service DeviceDataInformation . 80
Table 41 – Arguments for service DeviceDataRead . 80
Table 42 – Arguments for service DeviceDataWrite . 81
Table 43 – Arguments for service NetworkManagementInfoRead . 81
Table 44 – Arguments for service NetworkManagementInfoWrite . 82
Table 45 – Arguments for service DeviceStatus (for DTM) . 82
Table 46 – Arguments for service CompareInstanceDataWithDeviceData (for DTM) . 83
Table 47 – Arguments for service WriteDataToDevice (for DTM) . 83
Table 48 – Arguments for service ReadDataFromDevice(for DTM) . 84
Table 49 – Arguments for service OnLockInstanceData . 84
Table 50 – Arguments for service OnUnlockInstanceData . 85
Table 51 – Arguments for service OnInstanceDataChanged . 85
Table 52 – Arguments for service OnInstanceChildDataChanged . 85

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Table 53 – Arguments for service Export . 86
Table 54 – Arguments for service Import . 86
Table 55 – Arguments for service ReadChannelInformation . 87
Table 56 – Arguments for service WriteChannelInformation . 87
Table 57 – Arguments for service ReadChannelData . 87
Table 58 – Arguments for service WriteChannelData . 88
Table 59 – Arguments for service GetSupportedProtocols. 88
Table 60 – Arguments for service Connect . 89
Table 61 – Arguments for service Disconnect . 90
Table 62 – Arguments for service AbortRequest . 90
Table 63 – Arguments for service AbortIndication . 90
Table 64 – Arguments for service Transaction . 91
Table 65 – Arguments for service SequenceDefine . 92
Table 66 – Arguments for service SequenceStart . 92
Table 67 – Arguments for service ValidateAddChild . 92
Table 68 – Arguments for service ChildAdded . 93
Table 69 – Arguments for service ValidateRemoveChild . 93
Table 70 – Arguments for service ChildRemoved . 94
Table 71 – Arguments for service SetChildrenAddresses . 94
Table 72 – Arguments for service GetChannelFunctions . 95
Table 73 – Arguments for service GetGuiInformation . 95
Table 74 – Arguments for service Scan . 95
Table 75 – Arguments for service OnErrorMessage . 96
Table 76 – Arguments for service OnProgress . 96
Table 77 – Arguments for service OnOnlineStatusChanged . 97
Table 78 – Arguments for service OnFunctionsChanged . 97
Table 79 – Arguments for service GetDtmInfoList . 97
Table 80 – Arguments for service CreateChild (DTM) . 98
Table 81 – Arguments for service CreateChild (BTM) . 98
Table 82 – Arguments for service DeleteChild. 98
Table 83 – Arguments for service MoveChild . 99
Table 84 – Arguments for service GetParentNodes . 99
Table 85 – Arguments for service GetChildNodes . 99
Table 86 – Arguments for service GetDtm . 100
Table 87 – Arguments for service ReleaseDtm . 100
Table 88 – Arguments for service OnAddedRedundantChild . 100
Table 89 – Arguments for service OnRemovedRedundantChild . 101
Table 90 – Arguments for service SaveInstanceData . 101
Table 91 – Arguments for service LoadInstanceData . 101
Table 92 – Arguments for service GetPrivateDtmStorageInformation . 102
Table 93 – Arguments for service LockInstanceData . 102
Table 94 – Arguments for service UnlockInstanceData. 103
Table 95 – Arguments for service OnInstanceDataChanged . 103

IEC 62453-2:2022 © IEC 2022 – 9 –
Table 96 – Arguments for service ValidateProcessImage . 103
Table 97 – Arguments for service OpenPresentationRequest . 104
Table 98 – Arguments for service ClosePresentationRequest . 104
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