IEC 62453-2:2016

IEC 62453-2 ®
Edition 2.0 2016-12
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

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IEC 62453-2 ®
Edition 2.0 2016-12
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 978-2-8322-3758-8

– 2 – IEC 62453-2:2016 © IEC 2016
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 . 14
4.2.1 FDT model overview . 14
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 . 29
4.5 Identification . 29
4.5.1 DTM instance identification . 29
4.6 System and FDT topology . 30
4.7 FDT Communication . 32
4.7.1 General . 32
4.7.2 Handling of communication requests . 33
4.7.3 Handling of communication errors . 33
4.7.4 Handling of loss of connection . 33
4.7.5 Point–to-point communication . 33
4.7.6 Nested communication . 34
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 . 37
4.9 DTM data persistence and synchronization . 37
4.10 DTM device parameter access . 38
4.11 DTM state machine . 39
4.11.1 DTM states . 39
4.11.2 ‘Communication allowed’ sub-states . 40
4.12 Basic operation phases . 41
4.12.1 Roles and access rights . 41
4.12.2 Operation phases . 41
4.13 FDT version interoperability . 42
4.13.1 Version interoperability overview . 42
4.13.2 DTM and device versions. 43
4.13.3 Persistence . 43
4.13.4 Nested communication . 43

5 FDT session model and use cases . 44
5.1 Session model overview. 44
5.2 Actors . 45
5.3 Use cases . 47
5.3.1 Use case overview . 47
5.3.2 Observation . 47
5.3.3 Operation . 47
5.3.4 Maintenance . 50
5.3.5 Planning . 55
5.3.6 OEM service . 58
5.3.7 Administration. 58
6 General concepts . 59
6.1 Address management . 59
6.2 Scanning and DTM assignment . 60
6.2.1 Scanning overview . 60
6.2.2 Scanning . 60
6.2.3 DTM assignment . 61
6.2.4 Manufacturer specific device identification . 61
6.2.5 Scan for communication hardware . 62
6.3 Configuration of Fieldbus Master or Communication Scheduler . 62
6.4 PLC tool support . 63
6.4.1 General . 63
6.4.2 Process image modifications while PLC is running . 64
6.5 Slave redundancy . 65
6.5.1 Redundancy overview . 65
6.5.2 Redundancy support in Frame Application . 66
6.5.3 Parent component for redundant fieldbus . 66
6.5.4 Redundancy support in Device DTM . 66
6.5.5 Scan and redundant slaves . 67
7 FDT service specification . 67
7.1 Service specification overview . 67
7.2 DTM services . 68
7.2.1 General services. 68
7.2.2 DTM services related to installation . 70
7.2.3 DTM services related to DTM/device information . 70
7.2.4 DTM services related to the DTM state machine . 73
7.2.5 DTM services related to functions . 75
7.2.6 DTM services related to channel objects – service GetChannels . 78
7.2.7 DTM services related to documentation – service GetDocumentation . 79
7.2.8 DTM services to access the instance data . 79
7.2.9 DTM services to evaluate the instance data . 80
7.2.10 DTM services to access the device data . 81
7.2.11 DTM services related to network management information . 83
7.2.12 DTM services related to online operation . 84
7.2.13 DTM services related to data synchronization . 85
7.2.14 DTM services related to import and export . 87
7.3 Presentation object services . 88
7.4 Channel object service . 88
7.4.1 Channel object service overview . 88

– 4 – IEC 62453-2:2016 © IEC 2016
7.4.2 Service ReadChannelInformation . 88
7.4.3 Service WriteChannelInformation . 88
7.5 Process Channel object services – services for I/O related information . 89
7.5.1 Service ReadChannelData . 89
7.5.2 Service WriteChannelData . 89
7.6 Communication Channel object services . 90
7.6.1 Services related to communication . 90
7.6.2 Services related to sub-topology management . 93
7.6.3 Services related to GUI and functions . 96
7.6.4 Service Scan . 96
7.7 Frame Application services . 97
7.7.1 General state availability . 97
7.7.2 FA services related to general events . 97
7.7.3 FA services related to topology management . 98
7.7.4 FA services related to redundancy . 101
7.7.5 FA services related to storage of DTM data . 102
7.7.6 FA services related to DTM data synchronization. 103
7.7.7 FA service related to process image validation – service
ValidateProcessImage . 104
7.7.8 FA services related to presentation . 105
7.7.9 FA Services related to audit trail – service RecordAuditTrailEvent . 106
8 FDT dynamic behavior . 107
8.1 Generate FDT topology . 107
8.1.1 FDT topology generation triggered by the Frame Application . 107
8.1.2 FDT topology generation triggered by the DTM . 107
8.2 Address setting . 108
8.2.1 Address setting overview . 108
8.2.2 Set or modify device address – with user interface . 108
8.2.3 Set or modify device address – without user interface . 109
8.2.4 Display or modify all child device addresses with user interface . 109
8.3 Communication . 110
8.3.1 Communication overview . 110
8.3.2 Point-to-point communication . 110
8.3.3 Nested communication . 111
8.3.4 Device initiated data transfer . 112
8.4 Scanning and DTM assignment . 113
8.5 Multi-user scenarios . 114
8.5.1 General . 114
8.5.2 Synchronized and non-synchronized locking mechanism for DTMs . 116
8.5.3 Additional rules . 118
8.6 Notification of changes. 118
8.7 DTM instance data state machines . 118
8.7.1 Instance data set overview . 118
8.7.2 Modifications state machine . 119
8.7.3 Persistence state machine . 120
8.7.4 Modification in device . 120
8.7.5 Storage life cycle . 121
8.8 Parent component handling redundant slave . 122
8.9 DTM upgrade . 124

8.9.1 General rules . 124
8.9.2 Saving data from a DTM to be upgraded . 124
8.9.3 Loading data in the replacement DTM. 125
Annex A (normative) FDT data types definition . 126
A.1 General . 126
A.2 Basic data types . 126
A.3 General data types. 127
A.4 User information data types . 144
A.5 DTM information data type . 145
A.6 BTM data types . 146
A.7 Device and Scan identification data types . 147
A.8 Function data types . 151
A.9 AuditTrail data types . 154
A.10 Documentation data types . 155
A.11 DeviceList data type . 156
A.12 Network management data types . 158
A.13 Instance data types . 159
A.14 DeviceStatus data types . 164
A.15 OnlineCompare data types . 164
A.16 UserInterface data types . 165
A.17 Fieldbus-specific data types . 166
Bibliography . 168

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 . 30
Figure 16 – FDT topology for a simple system topology . 31
Figure 17 – FDT topology for a complex system topology . 32
Figure 18 – Point-to-point communication . 34
Figure 19 – Nested communication . 35
Figure 20 – DTM, DTM Device Type and Device Identification Information . 36
Figure 21 – Connected Hardware Identification . 37
Figure 22 – FDT storage and synchronization mechanisms . 38
Figure 23 – DTM state machine . 39

– 6 – IEC 62453-2:2016 © IEC 2016
Figure 24 – Substates of communication allowed . 40
Figure 25 – Main use case diagram . 45
Figure 26 – Observation use cases . 47
Figure 27 – Operation use cases . 48
Figure 28 – Maintenance use cases . 51
Figure 29 – Planning use cases . 55
Figure 30 – OEM service . 58
Figure 31 – Administrator use cases . 59
Figure 32 – Address setting via DTM Presentation object . 60
Figure 33 – Fieldbus scanning . 61
Figure 34 – Fieldbus master configuration tool as part of a DTM . 63
Figure 35 – Process Image . 64
Figure 36 – Transfer of layout information using ProcessImage services. 64
Figure 37 – Redundancy scenarios . 65
Figure 38 – FDT topology generation triggered by the Frame Applications . 107
Figure 39 – FDT topology generation triggered by a DTM . 108
Figure 40 – Set or modify device address – with user interface . 108
Figure 41 – Set or modify device address – without user interface . 109
Figure 42 – Set or modify all device addresses – with user interface . 110
Figure 43 – Point-to-point communication . 111
Figure 44 – Nested communication . 112
Figure 45 – Device initiated data transfer . 113
Figure 46 – Scanning and DTM assignment . 114
Figure 47 – Multi-user system . 115
Figure 48 – General synchronized locking mechanism . 116
Figure 49 – General non-synchronized locking mechanism . 117
Figure 50 – Parameterization in case of synchronized locking mechanism . 117
Figure 51 – Modifications state machine of instance data . 119
Figure 52 – Persistence state machine of instance data . 120
Figure 53 – Management of redundant topology . 123
Figure 54 – Associating data to a dataSetId . 124
Figure 55 – Loading data for a supported dataSetId . 125

Table 1 – Description of FDT objects . 16
Table 2 – Description of associations between FDT objects . 17
Table 3 – Transitions of DTM states . 40
Table 4 – Transitions of DTM ‘communication allowed’ sub states . 40
Table 5 – Operation phases . 42
Table 6 – Actors . 46
Table 7 – Operation use cases . 49
Table 8 – Maintenance use cases . 52
Table 9 – Planning use cases . 56
Table 10 – Administrator use cases . 59

Table 11 – Arguments for service PrivateDialogEnabled . 68
Table 12 – Arguments for service SetLanguage . 69
Table 13 – Arguments for service SetSystemGuiLabel . 70
Table 14 – Arguments for service GetTypeInformation (for DTM) . 71
Table 15 – Arguments for service GetTypeInformation (for BTM) . 71
Table 16 – Arguments for service GetIdentificationInformation (for DTM) . 71
Table 17 – Arguments for service GetIdentificationInformation (for BTM) . 72
Table 18 – Arguments for service Hardware information (for DTM) . 72
Table 19 – Arguments for service GetActiveTypeInfo . 72
Table 20 – Arguments for service GetActiveTypeInfo (for BTM) . 73
Table 21 – Arguments for service Initialize (for DTM) . 73
Table 22 – Arguments for service Initialize (for BTM) . 73
Table 23 – Arguments for service SetLinkedCommunicationChannel . 74
Table 24 – Arguments for service EnableCommunication . 74
Table 25 – Arguments for service ReleaseLinkedCommunicationChannel . 75
Table 26 – Arguments for service ClearInstanceData . 75
Table 27 – Arguments for service Terminate . 75
Table 28 – Arguments for service GetFunctions . 76
Table 29 – Arguments for service InvokeFunctions . 77
Table 30 – Arguments for service GetGuiInformation . 77
Table 31 – Arguments for service OpenPresentation . 77
Table 32 – Arguments for service ClosePresentation . 78
Table 33 – Arguments for service GetChannels . 78
Table 34 – Arguments for service GetDocumentation . 79
Table 35 – Arguments for service InstanceDataInformation . 79
Table 36 – Arguments for service InstanceDataRead . 80
Table 37 – Arguments for service InstanceDataWrite . 80
Table 38 – Arguments for service Verify . 81
Table 39 – Arguments for service CompareDataValueSets . 81
Table 40 – Arguments for service DeviceDataInformation . 81
Table 41 – Arguments for service DeviceDataRead . 82
Table 42 – Arguments for service DeviceDataWrite . 82
Table 43 – Arguments for service NetworkManagementInfoRead . 83
Table 44 – Arguments for service NetworkManagementInfoWrite . 83
Table 45 – Arguments for service DeviceStatus (for DTM) . 84
Table 46 – Arguments for service CompareInstanceDataWithDeviceData (for DTM) . 84
Table 47 – Arguments for service WriteDataToDevice (for DTM) . 85
Table 48 – Arguments for service ReadDataFromDevice(for DTM) . 85
Table 49 – Arguments for service OnLockInstanceData . 86
Table 50 – Arguments for service OnUnlockInstanceData . 86
Table 51 – Arguments for service OnInstanceDataChanged . 86
Table 52 – Arguments for service OnInstanceChildDataChanged . 87
Table 53 – Arguments for service Export . 87

– 8 – IEC 62453-2:2016 © IEC 2016
Table 54 – Arguments for service Import . 88
Table 55 – Arguments for service ReadChannelInformation . 88
Table 56 – Arguments for service WriteChannelInformation . 89
Table 57 – Arguments for service ReadChannelData . 89
Table 58 – Arguments for service WriteChannelData . 89
Table 59 – Arguments for service GetSupportedProtocols. 90
Table 60 – Arguments for service Connect . 90
Table 61 – Arguments for service Disconnect . 91
Table 62 – Arguments for service AbortRequest . 91
Table 63 – Arguments for service AbortIndication . 92
Table 64 – Arguments for service Transaction . 92
Table 65 – Arguments for service SequenceDefine . 93
Table 66 – Arguments for service SequenceStart . 93
Table 67 – Arguments for service ValidateAddChild . 94
Table 68 – Arguments for service ChildAdded . 94
Table 69 – Arguments for service ValidateRemoveChild . 94
Table 70 – Arguments for service ChildRemoved . 95
Table 71 – Arguments for service SetChildrenAddresses . 95
Table 72 – Arguments for service GetChannelFunctions . 96
Table 73 – Arguments for service GetGuiInformation . 96
Table 74 – Arguments for service Scan . 97
Table 75 – Arguments for service OnErrorMessage . 97
Table 76 – Arguments for service OnProgress . 97
Table 77 – Arguments for service OnOnlineStatusChanged . 98
Table 78 – Arguments for service OnFunctionsChanged . 98
Table 79 – Arguments for service GetDtmInfoList . 99
Table 80 – Arguments for service CreateChild (DTM) . 99
Table 81 – Arguments for service CreateChild (BTM) . 99
Table 82 – Arguments for service DeleteChild. 100
Table 83 – Arguments for service MoveChild . 100
Table 84 – Arguments for service GetParentNodes . 100
Table 85 – Arguments for service GetChildNodes . 101
Table 86 – Arguments for service GetDtm . 101
Table 87 – Arguments for service ReleaseDtm . 101
Table 88 – Arguments for service OnAddedRedundantChild . 102
Table 89 – Arguments for service OnRemovedRedundantChild . 102
Table 90 – Arguments for service SaveInstanceData . 102
Table 91 – Arguments for service LoadInstanceData . 103
Table 92 – Arguments for service GetPrivateDtmStorageInformation . 103
Table 93 – Arguments for service LockInstanceData . 103
Table 94 – Arguments for service UnlockInstanceData. 104
Table 95 – Arguments for service OnInstanceDataChanged . 104
Table 96 – Arguments for service ValidateProcessImage . 105

Table 97 – Arguments for service OpenPresentationRequest . 105
Table 98 – Arguments for service ClosePresentationRequest . 105
Table 99 – Arguments for service UserDialog . 106
Table 100 – Arguments for service RecordAuditTrailEvent . 106
Table 101 – Modifications state machine of instance data . 119
Table 102 – Persistence state machine of instance data .
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