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IEC 61158-5-2
Edition 4.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-2: Application layer service definition – Type 2 elements
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IEC 61158-5-2
Edition 4.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 5-2: Application layer service definition – Type 2 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.70; 35.110 ISBN 978-2-8322-6738-7
– 2 – IEC 61158-5-2:2019 © IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
1.1 General . 9
1.2 Specifications . 10
1.3 Conformance . 10
2 Normative references . 10
3 Terms, definitions, symbols, abbreviated terms and conventions . 12
3.1 ISO/IEC 7498-1 terms . 12
3.2 ISO/IEC 8822 terms . 13
3.3 ISO/IEC 9545 terms . 13
3.4 ISO/IEC 8824-1 terms . 13
3.5 Type 2 fieldbus data-link layer terms . 13
3.6 Type 2 fieldbus application-layer specific definitions . 13
3.7 Type 2 abbreviated terms and symbols . 21
3.8 Conventions . 22
3.8.1 Overview . 22
3.8.2 General conventions . 23
3.8.3 Conventions for class definitions . 23
3.8.4 Conventions for service definitions . 24
4 Common concepts . 25
5 Data type ASE . 25
5.1 General . 25
5.2 Formal definition of data type objects . 25
5.3 FAL defined data types . 26
5.3.1 Fixed length types . 26
5.3.2 String types . 31
5.3.3 Structure types . 32
5.4 Data type ASE service specification . 36
6 Communication model specification . 36
6.1 Concepts . 36
6.1.1 General . 36
6.1.2 General concepts . 36
6.1.3 Relationships between ASEs . 37
6.1.4 Naming and addressing . 38
6.1.5 Data types . 39
6.2 ASEs . 46
6.2.1 Object management ASE . 46
6.2.2 Connection manager ASE . 154
6.2.3 Connection ASE . 172
6.3 ARs . 186
6.3.1 Overview . 186
6.3.2 UCMM AR formal model . 197
6.3.3 Transport AR formal model . 199
6.3.4 AR ASE services . 209
6.4 Summary of FAL classes . 217
6.5 Permitted FAL services by AR type . 218
Bibliography . 220
Figure 1 – Overview of ASEs and object classes . 38
Figure 2 – Addressing format using MAC, class, instance and attribute IDs . 39
Figure 3 – Identity object state transition diagram . 60
Figure 4 – Explicit and Implicit Setting interaction . 63
Figure 5 – Static Assembly state transition diagram . 67
Figure 6 – Dynamic Assembly state transition diagram . 68
Figure 7 – Typical timing relationships for acknowledged data production . 79
Figure 8 – Example of a COS system with two acking devices . 80
Figure 9 – Message flow in COS connection – one Connection object, one consumer . 80
Figure 10 – Message flow in COS connection – multiple consumers . 81
Figure 11 – Path Reconfiguration in a ring topology . 93
Figure 12 – CPF2 time synchronization offset clock model . 94
Figure 13 – CPF2 time synchronization system with offset clock model . 95
Figure 14 – CPF2 time synchronization group startup sequence . 97
Figure 15 – Parameter object state transition diagram . 104
Figure 16 – Example of Find_Next_Object_Instance service . 130
Figure 17 – Transmission Trigger Timer behavior . 180
Figure 18 – Inactivity watchdog timer . 181
Figure 19 – Using tools for configuration . 181
Figure 20 – Production Inhibit Timer behavior . 182
Figure 21 – Context of transport services within the connection model . 189
Figure 22 – Application–to–application view of data transfer . 189
Figure 23 – Data flow diagram for a link producer . 190
Figure 24 – Data flow diagram for a link consumer . 191
Figure 25 – Triggers . 192
Figure 26 – Binding transport instances to the producer and consumer of a transport
connection that does not have a reverse data path . 193
Figure 27 – Binding transport instances to the producers and consumers of a transport
connection that does have a reverse data path . 193
Figure 28 – Binding transport instances to the producer and consumers of a multipoint
connection when the transport connection does not have a reverse data path . 194
Figure 29 – Binding transport instances to the producers and consumers of a
multipoint connection when the transport connection does have reverse data paths . 194
Table 1 – Valid IANA MIB printer codes for character set selection . 35
Table 2 – Common elements . 41
Table 3 – ST language elements . 42
Table 4 – Type conversion operations. 43
Table 5 – Values of implementation-dependent parameters . 45
Table 6 – Extensions to IEC 61131-3:2003 . 45
Table 7 – Identity object state event matrix . 61
– 4 – IEC 61158-5-2:2019 © IEC 2019
Table 8 – Static Assembly state event matrix . 67
Table 9 – Static Assembly instance attribute access . 68
Table 10 – Dynamic Assembly state event matrix . 69
Table 11 – Dynamic Assembly instance attribute access. 69
Table 12 – Message Router object Forward_Open parameters . 72
Table 13 – Acknowledge Handler object state event matrix . 76
Table 14 – Producing I/O application object state event matrix . 77
Table 15 – PTPEnable attribute default values . 84
Table 16 – Profile identification .
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