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1、BRITISH STANDARD BS EN 61158-6-4:2008 Industrial communication networks Fieldbus specifications Part 6-4: Application layer protocol specification Type 4 elements ICS 25.040.40; 35.100.70 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Bo
2、eing Co/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- BS EN 61158-6-4:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008 ISBN 978 0 580 61625 9
3、 National foreword A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot
4、confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments This British Standard is the UK implementation of EN 61158-6-4:2008. It is identical with IEC 61158-6-4:2007. Together with all of the other sections of BS EN 61158-6, it supersedes BS EN 61158-6:2004
5、 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee AMT/7, Industrial communications Process measurement and control, including Fieldbus. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing C
6、o/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD EN 61158-6-4 NORME EUROPENNE EUROPISCHE NORM March 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrot
7、echnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61158-6-4:2008 E ICS 35.100.70; 25.040.40 Partially supersed
8、es EN 61158-6:2004 English version Industrial communication networks - Fieldbus specifications - Part 6-4: Application layer protocol specification - Type 4 elements (IEC 61158-6-4:2007) Rseaux de communication industriels - Spcifications des bus de terrain - Partie 6-4: Spcification des services de
9、s couches dapplication - Elments de type 4 (CEI 61158-6-4:2007) Industrielle Kommunikationsnetze - Feldbusse - Teil 6-4: Protokollspezifikation des Application Layer (Anwendungsschicht) - Typ 4-Elemente (IEC 61158-6-4:2007) This European Standard was approved by CENELEC on 2008-02-01. CENELEC member
10、s are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application
11、 to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has
12、 the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlan
13、ds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or net
14、working permitted without license from IHS -,-,- Foreword The text of document 65C/476/FDIS, future edition 1 of IEC 61158-6-4, prepared by SC 65C, Industrial networks, of IEC TC 65, Industrial-process measurement, control and automation, was submitted to the IEC-CENELEC parallel vote and was approv
15、ed by CENELEC as EN 61158-6-4 on 2008-02-01. This and the other parts of the EN 61158-6 series supersede EN 61158-6:2004. With respect to EN 61158-6:2004 the following changes were made: deletion of Type 6 fieldbus for lack of market relevance; addition of new fieldbus types; partition into multiple
16、 parts numbered 6-2, 6-3, 6-20. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-11-01 latest date by which the national standards conflicting with the EN have to be withd
17、rawn (dow) 2011-02-01 NOTE Use of some of the associated protocol types is restricted by their intellectual-property-right holders. In all cases, the commitment to limited release of intellectual-property-rights made by the holders of those rights permits a particular data-link layer protocol type t
18、o be used with physical layer and application layer protocols in type combinations as specified explicitly in the EN 61784 series. Use of the various protocol types in other combinations may require permission from their respective intellectual-property-right holders. Annex ZA has been added by CENE
19、LEC. _ Endorsement notice The text of the International Standard IEC 61158-6-4:2007 was approved by CENELEC as a European Standard without any modification. _ BS EN 61158-6-4:2008 2 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/
20、5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- CONTENTS INTRODUCTION.5 1 Scope.6 1.1 General.6 1.2 Specifications6 1.3 Conformance.6 2 Normative references .7 3 Terms, definitions, symbols, abbreviations and conventions .8 3.1
21、 Referenced terms and definitions 8 3.2 Abbreviations and symbols9 3.3 Conventions 9 4 FAL syntax description .11 4.1 FAL-AR PDU abstract syntax 11 4.2 Data types.13 5 Transfer syntaxes.13 5.1 APDU encoding.13 5.2 Variable object encoding and packing .17 5.3 Error codes .20 6 FAL protocol state mach
22、ines 20 7 AP-context state machine.21 8 FAL service protocol machine (FSPM)22 8.1 Primitives exchanged between FAL User and FSPM .22 8.2 FSPM states22 9 Application relationship protocol machine (ARPM)28 9.1 Primitives exchanged between ARPM and FSPM 28 9.2 ARPM States.28 10 DLL mapping protocol mac
23、hine (DMPM).30 10.1 Data-link Layer service selection.30 10.2 Primitives exchanged between ARPM and DLPM 30 10.3 Primitives exchanged between DLPM and data-link layer 31 10.4 DLPM states31 11 Protocol options .33 Bibliography34 Figure 1 State transition diagram .10 Figure 2 APDU header structure 14
24、Figure 3 Instruction subfield of ControlStatus.14 Figure 4 Errorcode subfield of ControlStatus14 Figure 5 Remaining subfields of ControlStatus.15 Figure 6 DataFieldFormat encoding .15 Figure 7 Structure of request APDU body 15 Figure 8 Structure of response APDU body16 Figure 9 Variable identifier.1
25、6 Annex ZA (normative) Normative references to international publications with their corresponding European publications .35 BS EN 61158-6-4:2008 3 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2
26、008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- Figure 10 Code subfield of variable identifier .16 Figure 11 Summary of FAL architecture.21 Figure 12 FSPM proxy object state machine 23 Figure 13 FSPM real object state machine.27 Figure 14 ARPM state machine28 F
27、igure 15 DLPM state machine 31 Table 1 State machine description elements 10 Table 2 APDU header 11 Table 3 APDU body .12 Table 4 Transfer syntax for Array.18 Table 5 Transfer syntax for Structure.19 Table 6 Common variable object attributes 19 Table 7 Variable type identifiers.19 Table 8 FIFO varia
28、ble object attributes 20 Table 10 Primitives exchanged between FAL-User and FSPM .22 Table 11 REQUEST.req FSPM constraints.23 Table 12 REQUEST.req FSPM actions 24 Table 13 RESPONSE.cnf FSPM constraints 25 Table 14 RESPONSE.cnf FSPM actions 26 Table 15 AR Send.ind proxy FSPM constraints 26 Table 16 A
29、R Send.ind proxy FSPM actions26 Table 17 AR Send.ind real FSPM constraints.27 Table 18 AR Send.ind real FSPM Actions 27 Table 19 Primitives issued by FSPM to ARPM .28 Table 20 Primitives issued by ARPM to FSPM .28 Table 21 Primitives issued by ARPM to ARPM.28 Table 22 AR Send.req ARPM constraints.29
30、 Table 23 AR Send.req ARPM actions.29 Table 24 AR Acknowledge.req ARPM constraints 29 Table 25 AR Acknowledge.req ARPM actions 29 Table 26 AR Send.ind ARPM constraints .29 Table 27 AR Send.req ARPM actions.30 Table 28 Primitives issued by ARPM to DLPM .31 Table 29 Primitives issued by DLPM to ARPM .
31、31 Table 30 Primitives issued by DLPM to data-link layer .31 Table 31 Primitives issued by data-link layer to DLPM .31 Table 32 AR Send.req DLPM constraints .32 Table 33 AR Send.req DLPM actions .32 Table 34 AR Acknowledge.req DLPM constraints.32 Table 35 AR Acknowledge.req DLPM actions.32 Table 36
32、DL-UNITDATA.ind DLPM constraints.33 Table 37 DL-UNITDATA.ind DLPM actions.33 BS EN 61158-6-4:2008 4 Table 9 Error codes .20 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo repro
33、duction or networking permitted without license from IHS -,-,- INTRODUCTION This part of IEC 61158 is one of a series produced to facilitate the interconnection of automation system components. It is related to other standards in the set as defined by the “three-layer” fieldbus reference model descr
34、ibed in IEC/TR 61158-1. The application protocol provides the application service by making use of the services available from the data-link or other immediately lower layer. The primary aim of this standard is to provide a set of rules for communication expressed in terms of the procedures to be ca
35、rried out by peer application entities (AEs) at the time of communication. These rules for communication are intended to provide a sound basis for development in order to serve a variety of purposes: as a guide for implementors and designers; for use in the testing and procurement of equipment; as p
36、art of an agreement for the admittance of systems into the open systems environment; as a refinement to the understanding of time-critical communications within OSI. This standard is concerned, in particular, with the communication and interworking of sensors, effectors and other automation devices.
37、 By using this standard together with other standards positioned within the OSI or fieldbus reference models, otherwise incompatible systems may work together in any combination. BS EN 61158-6-4:2008 5 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy
38、 Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 6-4: Application layer protocol specification Type 4 elements 1 Scope 1.1 General The fieldbus a
39、pplication layer (FAL) 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
40、 communications between application programs in an automation environment and material specific to Type 4 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 certaint
41、y. 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. This standard specifies interactions between remote applications and defines the externally visible behavior prov
42、ided by the Type 4 fieldbus application layer in terms of a) the formal abstract syntax defining the application layer protocol data units conveyed between communicating application entities; b) the transfer syntax defining encoding rules that are applied to the application layer protocol data units
43、; c) the application context state machine defining the application service behavior visible between communicating application entities; d) the application relationship state machines defining the communication behavior visible between communicating application entities. The purpose of this standard
44、 is to define the protocol provided to 1) define the wire-representation of the service primitives defined in IEC 61158-5-4, and 2) define the externally visible behavior associated with their transfer. This standard specifies the protocol of the Type 4 fieldbus application layer, in conformance wit
45、h the OSI Basic Reference Model (ISO/IEC 7498) and the OSI application layer structure (ISO/IEC 9545). 1.2 Specifications The principal objective of this standard is to specify the syntax and behavior of the application layer protocol that conveys the application layer services defined in IEC 61158-
46、5-4. A secondary objective is to provide migration paths from previously-existing industrial communications protocols. It is this latter objective which gives rise to the diversity of protocols standardized in IEC 61158-6. 1.3 Conformance This standard do not specify individual implementations or pr
47、oducts, nor do they constrain the implementations of application layer entities within industrial automation systems. BS EN 61158-6-4:2008 6 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:25:32 MDTNo reproduction or networking permitted without license from IHS -,-,- Conformance is achieved through implementation of this application layer protocol specification. 2 Normative references The following referenced documents are indispensable for the a