IEC 61158-6-24:2014

IEC 61158-6-24 ®
Edition 1.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 6-24: Application layer protocol specification – Type-24 Elements

Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 6-24: Spécification du protocole de la couche application – Éléments
de type 24
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IEC 61158-6-24 ®
Edition 1.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –

Part 6-24: Application layer protocol specification – Type-24 Elements

Réseaux de communication industriels – Spécifications des bus de terrain –

Partie 6-24: Spécification du protocole de la couche application – Éléments

de type 24
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XF
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-1769-6

– 2 – IEC 61158-6-24:2014 © IEC 2014
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
1.1 General . 8
1.2 Specifications . 8
1.3 Conformance . 9
2 Normative references . 9
3 Terms, definitions, abbreviations, symbols and conventions . 9
3.1 Referenced terms and definitions . 9
3.2 Additional terms and definitions . 11
3.3 Abbreviations and symbols . 16
3.4 Conventions . 17
4 Abstract syntax . 19
4.1 Basic Data types . 19
4.2 FAL PDU types . 21
4.3 Detailed definitions of _FDCService-PDUs . 33
4.4 Device profile . 52
5 Transfer syntax . 52
5.1 Concepts . 52
5.2 Encode rules . 53
6 Structure of FAL protocol state machine . 58
7 AP-context state machine (APC SM) . 61
7.1 Overview . 61
7.2 State descriptions . 62
7.3 Triggering events . 63
7.4 Action descriptions at state transitions . 63
8 FAL service protocol machines (FSPM) . 64
8.1 Overview . 64
8.2 Field Deice Control Protocol Machine (FDC PM) . 64
8.3 Message Protocol Machine (MSGPM) . 89
9 Application relationship protocol machine (ARPM) . 95
9.1 General . 95
9.2 ARPM for FDC ASE . 95
9.3 ARPM for MSG ASE (ARPM-MSG) . 109
10 DLL mapping protocol machine (DMPM) . 111
Annex A (informative) Device profile and FDC command sets . 112
Annex B (normative) Virtual memory space and Device Information . 113
B.1 Overview . 113
B.2 Device Information . 114
B.2.1 Device identifier area structure . 114
B.2.2 Detail specifications of device IDs . 114
Annex C (informative) Basic message function . 120
Bibliography . 121

Figure 1 – Tree structure of APDU types . 22
Figure 2 – Encode of Integer subtypes . 53
Figure 3 – Example of transfer of INTEGER value . 54
Figure 4 – Encode of Unsigned subtypes . 54
Figure 5 – Float32 type encode . 55
Figure 6 – Float64 type encode . 55
Figure 7 – Bit field definition example with named bits . 56
Figure 8 – Bit field definition example with field size . 57
Figure 9 – SEQUENCE type encode . 58
Figure 10 – Structure of FAL protocol state machines . 60
Figure 11 – Statechart diagram of APCSM . 62
Figure 12 – Example communication cycle of FDC master AP. 66
Figure 13 – Example communication cycle of FDC slave AP . 67
Figure 14 – Synchronous command communication in sync state . 68
Figure 15 – Asynchronous command communication in sync state . 69
Figure 16 – Asynchronous command communication in async state . 70
Figure 17 – Event-driven communication . 71
Figure 18 – Statechart diagram of FDCPM-M . 72
Figure 19 – Statechart diagram of FDCPM-S . 78
Figure 20 – Statechart diagram of FDCPM-MN . 85
Figure 21 – PDU transmission flow for user message . 89
Figure 22 – PDU transmission flow for one-way message .
...