IEC 61158-6-14:2007
(Main)Industrial communication networks - Fieldbus specifications - Part 6-14: Application layer protocol specification - Type 14 elements
Industrial communication networks - Fieldbus specifications - Part 6-14: Application layer protocol specification - Type 14 elements
It provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a "window between corresponding application programs." This standard provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 2 fieldbus. The term "time-critical" is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life. It includes the following significant changes from the previous edition deletion of the former Type 6 fieldbus for lack of market relevance; addition of new types of fieldbuses; partition of part 6 of the third edition into multiple parts numbered.
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IEC 61158-6-14
Edition 1.0 2007-12
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 6-14: Application layer protocol specification – Type 14 elements
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IEC 61158-6-14
Edition 1.0 2007-12
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 6-14: Application layer protocol specification – Type 14 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XC
ICS 35.100.70; 25.040.40 ISBN 2-8318-9489-1
– 2 – 61158-6-14 © IEC:2007(E)
CONTENTS
FOREWORD.7
INTRODUCTION.9
1 Scope.10
1.1 General .10
1.2 Specifications .10
1.3 Conformance.10
2 Normative references .11
3 Terms, definitions, symbols, abbreviations and conventions .11
3.1 Referenced terms and definitions .11
3.2 Fieldbus application layer specific terms and definitions .13
3.3 Abbreviations and symbols .15
3.4 Conventions .16
4 Abstract syntax.18
4.1 Fixed format PDU description .18
4.2 Object definitions in FAL management ASE.26
4.3 Definition of objects used in EPA application access entity.32
5 Transfer syntax.35
5.1 Encodingof basic data types .35
5.2 Encoding of EPA APDU header .41
5.3 Encoding of FAL management entity service parameters.41
5.4 Encoding of AAE Services .48
6 Structure of FAL protocol state machines .55
7 AP-Context state machine .55
7.1 Primitives exchanged between ALU and ALE.55
7.2 Protocol state machine descriptions .56
7.3 State transitions .56
7.4 Function descriptions .63
8 FAL management state machines .63
8.1 Primitives .63
8.2 Protocol state machine descriptions .65
8.3 State transitions .65
8.4 Function descriptions .67
9 Application access entity protocol machine.73
9.1 Primitives .73
9.2 AAE state machine .74
9.3 Event ASE protocol machine .77
9.4 Domain ASE protocol machine .78
10 Application relationship state machine.82
10.1 Primitives .82
10.2 AREP state description.84
10.3 State transitions .84
10.4 Function descriptions .85
11 DLL mapping protocol machine.86
11.1 Concept.86
11.2 Primitives .86
61158-6-14 © IEC:2007(E) – 3 –
11.3 State description .87
11.4 State transitions .87
11.5 Function description .88
Bibliography.89
Figure 1 – State transition diagram .17
Figure 2 – Exchanged primitives of protocol state machine .55
Figure 3 – ACE protocol state machine .56
Figure 4 – FME protocol state machine .65
Figure 5 – AAE state transition diagrams .75
Figure 6 – Event ASE state transition diagrams .77
Figure 7 – Domain ASE state transition diagram .79
Figure 8 – AREP state transition diagrams.84
Figure 9 – ESME state transition.87
Table 1 – State machine description elements .17
Table 2 – Definition of EPA MOB header object .26
Table 3 – Definition of EPA device descriptor object .26
Table 4 – Definition of the time synchronization object.27
Table 5 – Definition of maximum response time object.28
Table 6 – Definition of the EPA communication scheduling management object .28
Table 7 – Definition of the device application information object .28
Table 8 – Definition of FB application information header.29
Table 9 – Definition of domain application information header.29
Table 10 – Definition of EPA link object header.30
Table 11 – Definition of FB application information object .30
Table 12 – Definition of EPA link object .31
Table 13 – Definition of domain application information object .31
Table 14 – Definition of domain object .32
Table 15 – Definition of simple variable object .33
Table 16 – Definition of event object .33
Table 17 – Definition of EPA socket mapping object .34
Table 18 – Definition of EPA socket timer object .34
Table 19 – Definition of ErrorType object .35
Table 20 – Encoding of Boolean value TRUE.35
Table 21 – Encoding of Boolean value FALSE .35
Table 22 – Encoding of Unsigned8 data type .35
Table 23 – Encoding of Unsigned16 data type .36
Table 24 – Encoding of Unsigned32 data type .36
Table 25 – Encoding of Unsigned64 data type .36
Table 26 – Encoding of Int8 data type .37
Table 27 – Encoding of Int16 data type .37
Table 28 – Encoding of Int32 data type .37
– 4 – 61158-6-14 © IEC:2007(E)
Table 29 – Encoding of Int64 data type .37
Table 30 – Encoding of Real type .38
Table 31 – Encoding of VisibleString data type .38
Table 32 – Encoding of OctetString data type .38
Table 33 – Encoding of BitString data type .39
Table 34 – Encoding of TimeOfDay data type .39
Table 35 – Encoding of BinaryDate data type.40
Table 36 – Encoding of TimeDifference data type .41
Table 37 – Encoding of EPA application layer service message header .41
Table 38 – Encoding of EM_DetectingDevice request parameters.42
Table 39 – Encoding of EM_OnlineReply request parameters .42
Table 40 – Encoding of EM_GetDeviceAttribute request paramete
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