1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 61784-3-14:2010Industrial communicationnetworks Profiles -Part 3-14: Functional safety fieldbuses Additional specifications for CPF 14BS EN 61784-3-14:2010 BRITISH STANDARD
2、National forewordThis British Standard is the UK implementation of EN61784-3-14:2010.The UK participation in its preparation was entrusted to TechnicalCommittee AMT/7, Industrial communications: process measurementand control, including fieldbus.A list of organizations represented on this committee
3、can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 72034 5ICS 25.040.40; 35.100.05Compliance with a British Standard cannot confer immunity fromleg
4、al obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2010.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD EN 61784-3-14 NORME EUROPENNE EUROPISCHE NORM August 2010 CENELEC European Committee for El
5、ectrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. N
6、o. EN 61784-3-14:2010 E ICS 25.404.40; 35.100.05 English version Industrial communication networks - Profiles - Part 3-14: Functional safety fieldbuses - Additional specifications for CPF 14 (IEC 61784-3-14:2010) Rseaux de communication industriels - Partie 3-14: Bus de terrain scurit fonctionnelle
7、- Spcifications complmentaires pour le CPF 14 (CEI 61784-3-14:2010) Industrielle Kommunikationsnetze - Profile - Teil 3-14: Funktional sichere bertragung bei Feldbussen - Zustzliche Festlegungen fr die Kommunikationsprofilfamilie 14 (IEC 61784-3-14:2010) This European Standard was approved by CENELE
8、C on 2010-07-01. CENELEC members 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
9、 may be obtained on application 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
10、 to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lit
11、huania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61784-3-14:2010EN 61784-3-14:2010 - 2 - Foreword The text of document 65C/591A/FDIS, future edition 1 of IEC 61784-3-14, prepared by SC 65C, Ind
12、ustrial networks, of IEC TC 65, Industrial-process measurement, control and automation, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61784-3-14 on 2010-07-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of pa
13、tent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. 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) 2011-04-01 latest dat
14、e by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-07-01 Annex ZA has been added by CENELEC. _ BS EN 61784-3-14:2010- 3 - EN 61784-3-14:2010 Endorsement notice The text of the International Standard IEC 61784-3-14:2010 was approved by CENELEC as a European Stan
15、dard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60204-1 NOTE Harmonized as EN 60204-1. IEC 61131-2 NOTE Harmonized as EN 61131-2. IEC 61158-2 NOTE Harmonized as EN 61158-2. IEC 61326-3-1 NOTE Harmonized a
16、s EN 61326-3-1. IEC 61326-3-2 NOTE Harmonized as EN 61326-3-2. IEC 61496 series NOTE Harmonized in EN 61496 series (partially modified). IEC 61508-1:2010 NOTE Harmonized as EN 61508-1:2010 (not modified). IEC 61508-4:2010 NOTE Harmonized as EN 61508-4:2010 (not modified). IEC 61508-5:2010 NOTE Harmo
17、nized as EN 61508-5:2010 (not modified). IEC 61508-6:2010 NOTE Harmonized as EN 61508-6:2010 (not modified). IEC 61784-1 NOTE Harmonized as EN 61784-1. IEC 61784-5 series NOTE Harmonized in EN 61784-5 series (not modified). IEC 61800-5-2 NOTE Harmonized as EN 61800-5-2. IEC 61918 NOTE Harmonized as
18、EN 61918. IEC 62061 NOTE Harmonized as EN 62061. ISO 10218-1 NOTE Harmonized as EN ISO 10218-1. ISO 12100-1 NOTE Harmonized as EN ISO 12100-1. ISO 13849-1 NOTE Harmonized as EN ISO 13849-1. ISO 13849-2 NOTE Harmonized as EN ISO 13849-2. _ BS EN 61784-3-14:2010EN 61784-3-14:2010 - 4 - Annex ZA (norma
19、tive) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the r
20、eferenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61158 Series Industrial communication networks - Fieldbus specifications EN 6
21、1158 Series IEC 61158-3-14 - Industrial communication networks - Fieldbus specifications - Part 3-14: Data-link layer service definition - Type 14 elements EN 61158-3-14 - IEC 61158-4-14 - Industrial communication networks - Fieldbus specifications - Part 4-14: Data-link layer protocol specification
22、 - Type 14 elements EN 61158-4-14 - IEC 61158-5-14 - Industrial communication networks - Fieldbus specifications - Part 5-14: Application layer service definition -Type 14 elements EN 61158-5-14 - IEC 61158-6-14 - Industrial communication networks - Fieldbus specifications - Part 6-14: Application l
23、ayer protocol specification - Type 14 elements EN 61158-6-14 - IEC 61508 Series Functional safety of electrical/electronic/programmable electronic safety-related systems EN 61508 Series IEC 61511 Series Functional safety - Safety instrumented systems for the process industry sector EN 61511 Series I
24、EC 61588 - Precision clock synchronization protocol for networked measurement and control systems- - IEC 61784-2 - Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC 8802-3 EN 61784-2 - IEC 61784-3 2010 Industrial communication
25、 networks - Profiles - Part 3: Functional safety fieldbuses - General rules and profile definitions EN 61784-3 2010 ISO/IEC 8802-3 - Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier s
26、ense multiple access with collision detection (CSMA/CD) access method and physical layer specifications - - 61784-3-14 IEC:2010(E) CONTENTS FOREWORD.6 0 Introduction 8 0.1 General .8 0.2 Patent declaration .10 1 Scope.11 2 Normative references .11 3 Terms, definitions, symbols, abbreviated terms and
27、 conventions 12 3.1 Terms and definitions 12 3.1.1 Common terms and definitions 12 3.1.2 CPF 14: Additional terms and definitions .16 3.2 Symbols and abbreviated terms.16 3.2.1 Common symbols and abbreviated terms 16 3.2.2 CPF 14: Additional symbols and abbreviated terms .17 3.3 Conventions 17 4 Ove
28、rview of FSCP 14/1 (EPASafety)18 4.1 EPASafety18 4.2 Principle of EPA safety communications18 4.3 Safety function processing 19 5 General 19 5.1 External documents providing specifications for the profile19 5.2 Safety functional requirements 20 5.3 Safety measures .20 5.4 Safety communication layer
29、structure 21 5.4.1 Combination of standard communication and safety communication systems.21 5.4.2 CP 14/1 safety communication structure22 5.5 Relationships with FAL (and DLL, PhL) .23 5.5.1 Overview .23 5.5.2 Data types.23 6 Safety communication layer services24 6.1 Overview .24 6.2 FSCP 14/1 obje
30、ct extensions.24 6.2.1 General .24 6.2.2 Functional safety communication management object25 6.2.3 Functional Safety Link Object 26 6.2.4 Functional safety communication alert object.29 6.3 Extended services .30 6.3.1 General .30 6.3.2 SafetyCommunicationOpen .31 6.3.3 SafetyCommunicationClose.32 7
31、Safety communication layer protocol 34 7.1 Safety PDU format 34 7.1.1 General .34 7.1.2 APDU header structure34 7.1.3 Functional safety PDU .34 7.2 Safety communication operation36 4BS EN 61784-3-14:201061784-3-14 IEC:2010(E) 5 7.2.1 Sequence number .36 7.2.2 RelationKey.36 7.2.3 Feedback message .3
32、7 7.2.4 CRC-cross-check 37 7.2.5 Scheduling number38 7.2.6 Time stamp .39 7.2.7 Time expectation .39 7.2.8 Time synchronization monitoring .39 7.2.9 Communication scheduling precision monitoring39 7.3 Safety communication behaviour .39 7.3.1 Protocol state description of periodic data transmission.3
33、9 7.3.2 Protocol state description of non-periodic data transmission41 7.3.3 Protocol state description of alert report for communication fault .46 7.3.4 Function description 49 7.4 Code .51 7.4.1 Object code .51 7.4.2 Service code .53 8 Safety communication layer management.59 8.1 Time synchronizat
34、ion diagnostics 59 8.1.1 Time synchronization process59 8.1.2 Time synchronization management60 8.2 CSME diagnostics .60 8.2.1 General .60 8.2.2 CSME diagnostics management 60 8.3 Communication fault management.61 8.3.1 Configuration management61 8.3.2 Communication fault report process.61 9 System
35、requirements64 9.1 Indicators and switches .64 9.2 Installation guidelines64 9.3 Safety function response time .64 9.3.1 General .64 9.3.2 Calculation of the network reaction time 65 9.4 Duration of demands .66 9.5 Constraints for calculation of system characteristics66 9.6 Maintenance67 9.7 Safety
36、manual .67 10 Assessment67 Annex A (informative) Additional information for functional safety communication profiles of CPF 1468 A.1 Hash function calculation68 A.2 .69 Annex B (informative) Information for assessment of the functional safety communication profiles of CPF 14.70 Bibliography71 Table
37、1 Relationships between errors and safety measures .21 Table 2 Data types used within FSCP 14/1 24 BS EN 61784-3-14:2010 6 61784-3-14 IEC:2010(E) Table 3 FSCP 14/1 object extensions 24 Table 4 Functional safety service extension.31 Table 5 SafetyCommunicationOpen Service Parameters31 Table 6 SafetyC
38、ommunicationClose Service Parameters .33 Table 7 Encoding of APDU Header 34 Table 8 Structure of Functional Safety PDU (FSPDU) Header35 Table 9 CRC calculation polynomials .37 Table 10 Functional safety communication state description 40 Table 11 States and transitions of periodic data transmission
39、40 Table 12 Functional safety communication states description 42 Table 13 States and transitions of non-periodic data transmission .42 Table 14 Communication alert state description .47 Table 15 Communication alert states and transitions .47 Table 16 LinkObjectType function description 49 Table 17
40、CRCCheck function description .49 Table 18 CrossCheck function description .50 Table 19 TimeDelayCheck function description 50 Table 20 PeriodUncomfrimedSNCheck function description .50 Table 21 Non-periodicSNCheck function description 50 Table 22 Functional safety communication management object en
41、coding 51 Table 23 Functional safety link object encoding .51 Table 24 Functional safety communication alert object encoding .53 Table 25 Encoding of SafetyCommunicationOpen request parameters.56 Table 26 SafetyCommunicationOpen positive response parameters.56 Table 27 SafetyCommunicationOpen negati
42、ve response parameters .57 Table 28 SafeCommunicationClose request parameters 57 Table 29 SafeCommunicationClose positive response parameters.57 Table 30 SafeCommunicationClose negative response parameters57 Table 31 Error class and code .58 Table 32 Communication process of confirmed service betwee
43、n two devices.61 Table 33 Settings for time expectation margin65 Table 34 Constraints for system characteristics at = 10-267 Figure 1 Relationships of IEC 61784-3 with other standards (machinery) .8 Figure 2 Relationships of IEC 61784-3 with other standards (process).9 Figure 3 Safety communication
44、architecture.19 Figure 4 Safety function processing .19 Figure 5 Standard communication and safety communication 22 Figure 6 CP 14/1 protocol hierarchy.23 Figure 7 Relationship between the SCL and the other layers of CP 14/1 23 Figure 8 Functional safety communication message structure34 Figure 9 St
45、ructure of Functional Safety PDU (FSPDU).35 Figure 10 Structure of Virtual Safety Check Message (VSCM) .35 BS EN 61784-3-14:201061784-3-14 IEC:2010(E) 7 Figure 11 FSPDU mapping 36 Figure 12 Time-sharing communication scheduling 38 Figure 13 Format of EndofNonPeriodicDataSending PDU 39 Figure 14 Stat
46、e transfer figure of periodic data transmission40 Figure 15 Functional safety communication state transfer 41 Figure 16 Communication alert report state transfer figure.46 Figure 17 CRC check for time synchronization process59 Figure 18 The process of communication fault report .63 Figure 19 Example
47、 application for FSCP 14/1 communication64 Figure 20 Calculation of the network reaction time.65 BS EN 61784-3-14:2010 8 61784-3-14 IEC:2010(E) 0 Introduction 0.1 General The IEC 61158 fieldbus standard together with its companion standards IEC 61784-1 and IEC 61784-2 defines a set of communication
48、protocols that enable distributed control of automation applications. Fieldbus technology is now considered well accepted and well proven. Thus many fieldbus enhancements are emerging, addressing not yet standardized areas such as real time, safety-related and security-related applications. This sta
49、ndard explains the relevant principles for functional safety communications with reference to IEC 61508 series and specifies several safety communication layers (profiles and corresponding protocols) based on the communication profiles and protocol layers of IEC 61784-1, IEC 61784-2 and the IEC 61158 series. It does not cover electrical safety and intrinsic safety aspects. Figure 1 shows th
