1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 61784-3-12:2010Industrial communicationnetworks Profiles -Part 3-12: Functional safety fieldbuses Additional specifications for CPF 12BS EN 61784-3-12:2010 BRITISH STANDARD
2、National forewordThis British Standard is the UK implementation of EN61784-3-12:2010.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 72032 1ICS 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 61784-3-12 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 61784-3-12:2010 E ICS 25.040.40; 35.100.05 English version Industrial communication networks - Profiles - Part 3-12: Functional safety fieldbuses - Additional specifications for CPF 12 (IEC 61784-3-12:2010) Rseaux de communication industriels - Partie 3-12: Bus de terrain scurit fonctionnelle
7、- Spcifications complmentaires pour le CPF 12 (CEI 61784-3-12:2010) Industrielle Kommunikationsnetze - Profile - Teil 3-12: Funktional sichere bertragung bei Feldbussen - Zustzliche Festlegungen fr die Kommunikationsprofilfamilie 12 (IEC 61784-3-12:2010) 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 61784-3-12:2010EN 61784-3-12:2010 - 2 - Foreword The text of document 65C/591A/FDIS, future edition 1 of IEC 61784-3-12, 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 61784-3-12 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. _ Endorsement notice The text of the International Standard IEC 61784-3-12:2010 was approved by CENELEC as a European Standard without any modification. In the official
15、 version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61158 series NOTE Harmonized in EN 61158 series (not modified). IEC 61496 series NOTE Harmonized in EN 61496 series (partially modified). IEC 61508-1:2010 NOTE Harmonized as EN 61508-1:2010 (not modifie
16、d). IEC 61508-4:2010 NOTE Harmonized as EN 61508-4:2010 (not modified). IEC 61508-5:2010 NOTE Harmonized as EN 61508-5:2010 (not modified). IEC 61511 series NOTE Harmonized in EN 61511 series (not modified). IEC 61784-1 NOTE Harmonized as EN 61784-1. IEC 61784-5 series NOTE Harmonized in EN 61784-5
17、series (not modified). IEC 61800-5-2 NOTE Harmonized as EN 61800-5-2. 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. _ B
18、S EN 61784-3-12:2010- 3 - EN 61784-3-12:2010 Annex ZA (normative) 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
19、applies. For undated references, the latest edition of the referenced 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 60204-1 - Safety
20、of machinery - Electrical equipment of machines - Part 1: General requirements EN 60204-1 - IEC 61000-6-2 - Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity for industrial environments EN 61000-6-2 - IEC 61131-2 - Programmable controllers - Part 2: Equipment requirements
21、and tests EN 61131-2 - IEC 61158-2 - Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition EN 61158-2 - IEC 61158-3-12 - Industrial communication networks - Fieldbus specifications - Part 3-12: Data-link layer service definition - T
22、ype 12 elements EN 61158-3-12 - IEC 61158-4-12 - Industrial communication networks - Fieldbus specifications - Part 4-12: Data-link layer protocol specification - Type 12 elements EN 61158-4-12 - IEC 61158-5-12 - Industrial communication networks - Fieldbus specifications - Part 5-12: Application la
23、yer service definition -Type 12 elements EN 61158-5-12 - IEC 61158-6-12 - Industrial communication networks - Fieldbus specifications - Part 6-12: Application layer protocol specification - Type 12 elements EN 61158-6-12 - IEC 61326-3-1 - Electrical equipment for measurement, control and laboratory
24、use - EMC requirements - Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - General industrial applications EN 61326-3-1 - BS EN 61784-3-12:2010EN 61784-3-12:2010 - 4 - Publication Year Title EN/HD Year IEC
25、61326-3-2 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 3-2: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) - Industrial applications with specified electromagnetic env
26、ironment EN 61326-3-2 - IEC 61508 Series Functional safety of electrical/electronic/programmable electronic safety-related systems EN 61508 Series IEC 61784-2 - Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC 8802-3 EN 61784
27、-2 - IEC 61784-3 2010 Industrial communication networks - Profiles - Part 3: Functional safety fieldbuses - General rules and profile definitions EN 61784-3 2010 IEC 61918 - Industrial communication networks - Installation of communication networks in industrial premises EN 61918 - 61784-3-12 IEC:20
28、10(E) CONTENTS 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 conventions 12 3.1 Terms and definitions 12 3.1.1 Common terms and definitions 12 3.1.2 CPF 12: Additional terms and definitions .17 3.
29、2 Symbols and abbreviated terms.17 3.2.1 Common symbols and abbreviated terms 17 3.2.2 CPF 12: Additional symbols and abbreviated terms .18 3.3 Conventions 18 4 Overview of FSCP 12/1 (Safety-over-EtherCAT) .18 5 General 20 5.1 External document providing specifications for the profile20 5.2 Safety f
30、unctional requirements 20 5.3 Safety measures .21 5.4 Safety communication layer structure 21 5.5 Relationships with FAL (and DLL, PhL) .22 5.5.1 General .22 5.5.2 Data types.22 6 Safety communication layer services22 6.1 FSoE Connection 22 6.2 FSoE Cycle .22 6.3 FSoE services .23 7 Safety communica
31、tion layer protocol 24 7.1 Safety PDU format 24 7.1.1 Safety PDU structure.24 7.1.2 Safety PDU command25 7.1.3 Safety PDU CRC .25 7.2 FSCP 12/1 communication procedure29 7.2.1 Message cycle.29 7.2.2 FSCP 12/1 node states29 7.3 Reaction on communication errors 39 7.4 State table for FSoE Master 40 7.
32、4.1 FSoE Master state machine.40 7.4.2 Reset state44 7.4.3 Session state.45 7.4.4 Connection state .48 7.4.5 Parameter state.52 7.4.6 Data state55 7.5 State table for FSoE Slave 58 7.5.1 FSoE Slave state machine.58 7.5.2 Reset state62 4BS EN 61784-3-12:201061784-3-12 IEC:2010(E) 5 7.5.3 Session stat
33、e.64 7.5.4 Connection state .68 7.5.5 Parameter state.73 7.5.6 Data state78 8 Safety communication layer management.81 8.1 FSCP 12/1 parameter handling81 8.2 FSoE communication parameters 81 9 System requirements82 9.1 Indicators and switches .82 9.1.1 Indicator states and flash rates82 9.1.2 Indica
34、tors 83 9.2 Installation guidelines84 9.3 Safety function response time .84 9.3.1 General .84 9.3.2 Determination of FSoE Watchdog time 85 9.3.3 Calculation of the worst case safety function response time 86 9.4 Duration of demands .87 9.5 Constraints for calculation of system characteristics87 9.5.
35、1 General .87 9.5.2 Probabilistic considerations .87 9.6 Maintenance89 9.7 Safety manual .89 10 Assessment89 Annex A (informative) Additional information for functional safety communication profiles of CPF 1290 A.1 Hash function calculation90 A.2 .94 Annex B (informative) Information for assessment
36、of the functional safety communication profiles of CPF 12.95 Bibliography96 Table 1 State machine description elements 18 Table 2 Communication errors and detection measures .21 Table 3 General Safety PDU24 Table 4 Shortest Safety PDU .25 Table 5 Safety PDU command .25 Table 6 CRC_0 calculation sequ
37、ence.26 Table 7 CRC_i calculation sequence (i0) .26 Table 8 Example for CRC_0 inheritance 27 Table 9 Example for 4 octets of safety data with interchanging of octets 1-4 with 5-8.28 Table 10 Safety Master PDU for 4 octets of safety data with command = Reset after restart (reset connection) or error
38、.31 Table 11 Safety Slave PDU for 4 octets of safety data with command = Reset for acknowledging a Reset command from the FSoE Master 31 Table 12 Safety Slave PDU for 4 octets of safety data with command = Reset after restart (reset connection) or error .32 BS EN 61784-3-12:2010 6 61784-3-12 IEC:201
39、0(E) Table 13 Safety Master PDU for 4 octets of safety data with command = Session.32 Table 14 Safety Slave PDU for 4 octets of safety data with command = Session.33 Table 15 Safety data transferred in the connection state33 Table 16 Safety Master PDU for 4 octets of safety data in Connection state
40、34 Table 17 Safety Slave PDU for 4 octets of safety data in Connection state 34 Table 18 Safety data transferred in the parameter state.35 Table 19 First Safety Master PDU for 4 octets of safety data in parameter state 35 Table 20 First Safety Slave PDU for 4 octets of safety data in parameter state
41、 36 Table 21 Second Safety Master PDU for 4 octets of safety data in parameter state .36 Table 22 Second Safety Slave PDU for 4 octets of safety data in parameter state .37 Table 23 Safety Master PDU for 4 octets of ProcessData in data state 37 Table 24 Safety Slave PDU for 4 octets of ProcessData i
42、n data state 38 Table 25 Safety Master PDU for 4 octets of fail-safe data in data state 38 Table 26 Safety Slave PDU for 4 octets of fail-safe data in data state 39 Table 27 FSoE communication error 39 Table 28 FSoE communication error codes40 Table 29 States of the FSoE Master.40 Table 30 Events in
43、 the FSoE Master state table.42 Table 31 Functions in the FSoE Master state table 42 Table 32 Variables in the FSoE Master state table.43 Table 33 Macros in the FSoE Master state table 43 Table 34 States of the FSoE Slave 58 Table 35 Events in the FSoE Slave state table.60 Table 36 Functions in the
44、FSoE Slave state table 60 Table 37 Variables in the FSoE Slave state table.61 Table 38 Macros in the FSoE Slave state table 61 Table 39 FSoE Communication parameters .82 Table 40 Indicator States .82 Table 41 FSoE STATUS indicator states83 Table 42 Definition of times .85 Figure 1 Relationships of I
45、EC 61784-3 with other standards (machinery) .8 Figure 2 Relationships of IEC 61784-3 with other standards (process).9 Figure 3 Basic FSCP 12/1 system19 Figure 4 FSCP 12/1 software architecture21 Figure 5 FSoE Cycle23 Figure 6 FSCP 12/1 communication structure 23 Figure 7 Safety PDU for CPF 12 embedd
46、ed in Type 12 PDU24 Figure 8 FSCP 12/1 node states 30 Figure 9 State diagram for FSoE Master 41 Figure 10 State diagram for FSoE Slave 59 Figure 11 Indicator flash rates .83 BS EN 61784-3-12:201061784-3-12 IEC:2010(E) 7 Figure 12 Components of a safety function 84 Figure 13 Calculation of the FSoE W
47、atchdog times for input and output connections .85 Figure 14 Calculation of the worst case safety function response time .86 Figure 15 Safety PDU embedded in standard PDU 88 Figure 16 Residual error rate for 8/16/24 bit safety data and up to 12 144 bit standard data89 BS EN 61784-3-12:2010 8 61784-3
48、-12 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 protocols that enable distributed control of automation applications. Fieldbus technology is now considered well accepted and we
49、ll proven. Thus many fieldbus enhancements are emerging, addressing not yet standardized areas such as real time, safety-related and security-related applications. This standard 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 communic
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