IEC TS 62453-53-90:2025

IEC TS 62453-53-90 ®
Edition 1.0 2025-04
TECHNICAL
SPECIFICATION
Field Device Tool (FDT) Interface Specification –
Part 53-90: Communication implementation for CLI and HTML – IEC 61784 CPF 9

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IEC TS 62453-53-90 ®
Edition 1.0 2025-04
TECHNICAL
SPECIFICATION
Field Device Tool (FDT) Interface Specification –

Part 53-90: Communication implementation for CLI and HTML – IEC 61784 CPF 9

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.05; 35.110 ISBN 978-2-8327-0284-0

– 2 – IEC TS 62453-53-90:2025 © IEC 2025
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions, abbreviated terms, symbols, and conventions . 9
3.1 Terms, definitions abbreviated terms and symbols . 9
3.2 Conventions . 9
3.2.1 Datatype names and references to datatypes . 9
3.2.2 Use of UML . 9
4 Bus category . 9
5 Access to instance, device and process data . 10
5.1 General . 10
5.2 IO signals provided by DTM . 10
5.3 Data interfaces . 11
5.3.1 General . 11
5.3.2 Mapping HART datatypes to FDT datatypes . 11
5.3.3 SemanticInfo . 12
5.3.4 Data exposure using IDeviceData and IInstanceData interfaces . 13
6 Protocol specific behaviour . 18
6.1 Support of burst mode . 18
6.2 Device addressing . 19
6.3 Support of scanning . 19
6.4 Support of extended command numbers . 19
6.5 Support for handling of communication failures and time-outs . 19
6.6 Support for handling of delayed responses . 20
6.7 Buscategory HART_Basic . 20
6.8 Support for topologies with mixed HART protocols . 20
6.9 Support for nested communication structures with multiple gateways . 20
6.10 Support for topologies with WirelessHART . 20
6.11 Transparent gateways . 20
6.11.1 General . 20
6.11.2 Scenario 1 – Manual topology creation . 21
6.11.3 Scenario 2 – Topology scan and add . 21
7 Protocol specific usage of general datatypes . 21
8 Protocol specific common datatypes . 22
8.1 HartDeviceAddress datatype . 22
8.2 HartDeviceIpAddress datatype . 23
8.3 HartDeviceWirelessAddress datatype . 24
9 Network management datatypes . 25
10 Communication datatypes. 25
10.1 General . 25
10.2 HartConnectRequest datatype . 25
10.3 HartConnectResponse datatype . 26
10.4 HartLongAddress datatype . 27
10.5 HartDisconnectRequest datatype . 28
10.6 HartDisconnectResponse datatype . 28

10.7 HartTransactionRequest datatype . 29
10.8 HartTransactionResponse datatype . 29
10.9 HartStatus datatype . 30
10.10 HartAbortMessage datatype . 30
10.11 HartSubscribeRequest datatype . 31
10.12 HartSubscribeResponse datatype . 31
10.13 HartUnsubscribeRequest datatype . 32
10.14 HartUnsubscribeResponse datatype . 32
11 Datatypes for process data information . 33
11.1 General . 33
11.2 HartIOSignalInfo datatype . 33
12 Device identification . 34
12.1 General . 34
12.2 HartDeviceScanInfo datatype . 34
12.3 HartDeviceIdentInfo datatype . 38
12.4 Mapping of information source . 39
Bibliography . 41

Figure 1 – Relation of IEC TS 62453-53-90 to the IEC 62453 series . 7
Figure 2 – Structural information for device variables . 16
Figure 3 – Structural information for dynamic variables . 17
Figure 4 – Structural information for extended device status . 18
Figure 5 – Device-initiated data transfer with burst mode . 19
Figure 6 – Example with transparent adapters . 21
Figure 7 – HartDeviceAddress datatype . 22
Figure 8 – HartDeviceIpAddress datatype . 23
Figure 9 – HartDeviceWirelessAddress datatype . 24
Figure 10 – HartNetworkData datatype . 25
Figure 11 – HartConnectRequest datatype . 26
Figure 12 – HartConnectResponse datatype . 27
Figure 13 – HartDisconnectRequest datatype . 28
Figure 14 – HartDisconnectResponse datatype . 28
Figure 15 – HartTransactionRequest datatype . 29
Figure 16 – HartTransactionResponse datatype . 29
Figure 17 – HartAbortMessage datatype . 30
Figure 18 – HartSubscribeRequest datatype . 31
Figure 19 – HartSubscribeResponse datatype . 31
Figure 20 – HartUnsubscribeRequest datatype . 32
Figure 21 – HartUnsubscribeResponse datatype . 32
Figure 22 – HartIOSignalInfo datatype . 33
Figure 23 – HartDeviceScanInfo datatype . 34
Figure 24 – HartDeviceIdentInfo datatype . 38

Table 1 – Relation of BusCategories and supported features . 9
Table 2 – Output signal info within IOSignalInfo/HartIOSignalInfo . 11

– 4 – IEC TS 62453-53-90:2025 © IEC 2025
Table 3 – Mapping of basic datatypes . 11
Table 4 – SemanticInfo attributes description . 12
Table 5 – Basic Variables exported in IDeviceData and IInstanceData interfaces . 13
Table 6 – Basic Variables exported only in IDeviceData interface . 15
Table 7 – Protocol-specific usage of general datatypes . 21
Table 8 – HartDeviceAddress datatype . 22
Table 9 – HartDeviceIpAddress datatype .
...