Field device tool (FDT) interface specification - Part 2: Concepts and detailed description

IEC 62453-2:2022 is available as IEC 62453-2:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62453-2:2022 explains the common principles of the field device tool concept. These principles can be used in various industrial applications such as engineering systems, configuration programs and monitoring and diagnostic applications. This document specifies the general objects, general object behavior and general object interactions that provide the base of FDT.

Spécification des interfaces des outils des dispositifs de terrain (FDT) - Partie 2: Concepts et description détaillée

IEC 62453-2:2022 est disponible sous forme de IEC 62453-2:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 62453-2:2022 explique les principes courants du concept relatif aux outils des dispositifs de terrain. Ces principes peuvent être utilisés dans plusieurs applications industrielles telles que les systèmes d'ingénierie, les programmes de configuration et les applications de surveillance et de diagnostic. Le présent document spécifie les objets généraux, leur comportement ainsi que leurs interactions qui constituent la base des FDT.

General Information

Status
Published
Publication Date
30-Aug-2022
Current Stage
PPUB - Publication issued
Completion Date
31-Aug-2022
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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
IEC 62453-2:2022-08(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
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

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

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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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– 4 – IEC 62453-2:2022 © IEC 2022

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

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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

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– 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 ..............................
...

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