1、 IEC 61784-3-8 Edition 2.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Profiles Part 3-8: Functional safety fieldbuses Additional specifications for CPF 8 Rseaux de communication industriels Profils Partie 3-8: Bus de terrain de scurit fonctionnelle Spcifica
2、tions supplmentaires pour CPF 8 IEC 61784-3-8:2016-07(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electroni
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19、Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61784-3-8 Edition 2.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Profiles Part 3-8: Function
20、al safety fieldbuses Additional specifications for CPF 8 Rseaux de communication industriels Profils Partie 3-8: Bus de terrain de scurit fonctionnelle Spcifications supplmentaires pour CPF 8 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 25.040.40, 35.100.0
21、5 ISBN 978-2-8322-3491-4 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cet
22、te publication via un distributeur agr. colour inside 2 IEC 61784-3-8:2016 IEC 2016 CONTENTS FOREWORD . 7 0 Introduction . 9 0.1 General . 9 0.2 Patent declaration . 11 1 Scope 12 2 Normative references. 12 3 Terms, definitions, symbols, abbreviated terms and conventions. 13 3.1 Terms and definition
23、s 13 3.1.1 Common terms and definitions . 14 3.1.2 CPF 8: Additional terms and definitions 20 3.2 Symbols and abbreviated terms . 21 3.2.1 Common symbols and abbreviated terms 21 3.2.2 CPF 8: Additional symbols and abbreviated terms . 22 3.3 Conventions 22 4 Overview . 22 5 General . 22 6 Safety com
24、munication layer services 23 7 Safety communication layer protocol 23 8 Safety communication layer management . 23 9 System requirements . 23 10 Assessment . 23 11 FSCP 8/1 23 11.1 Scope FSCP 8/1 . 23 11.2 Normative references FSCP 8/1 23 11.3 Terms, definitions, symbols, abbreviated terms and conve
25、ntions FSCP 8/1 23 11.4 Overview of FSCP 8/1 (CC-Link Safety) . 23 11.5 General FSCP 8/1 24 11.5.1 External documents providing specifications for the profile 24 11.5.2 Safety functional requirements . 24 11.5.3 Safety measures 24 11.5.4 Safety communication layer structure . 26 11.5.5 Relationships
26、 with FAL (and DLL, PhL) . 26 11.6 Safety communication layer services for FSCP 8/1. 27 11.6.1 General . 27 11.6.2 SASEs . 27 11.6.3 SARs . 28 11.6.4 Process data SAR ASEs 28 11.7 Safety communication layer protocol for FSCP 8/1 . 29 11.7.1 Safety PDU format . 29 11.7.2 State description 36 11.8 Saf
27、ety communication layer management for FSCP 8/1 . 40 11.8.1 General . 40 11.8.2 Connection establishment and confirmation processing . 41 11.8.3 Safety slave verification . 41 11.9 System requirements for FSCP 8/1 42 IEC 61784-3-8:2016 IEC 2016 3 11.9.1 Indicators and switches 42 11.9.2 Installation
28、 guidelines . 43 11.9.3 Safety function response time 43 11.9.4 Duration of demands 45 11.9.5 Constraints for calculation of system characteristics . 45 11.9.6 Maintenance 46 11.9.7 Safety manual 47 11.10 Assessment for FSCP 8/1 47 12 FSCP 8/2 47 12.1 Scope FSCP 8/2 . 47 12.2 Normative references FS
29、CP 8/2 47 12.3 Terms, definitions, symbols, abbreviated terms and conventions FSCP 8/2 47 12.4 Overview of FSCP 8/2 (CC-Link IE Safety communication function) 47 12.5 General FSCP 8/2 48 12.5.1 External documents providing specifications for the profile 48 12.5.2 Safety functional requirements . 48
30、12.5.3 Safety measures 49 12.5.4 Safety communication layer structure . 53 12.5.5 Relationships with FAL (and DLL, PhL) . 54 12.6 Safety communication layer services for FSCP 8/2. 54 12.6.1 General . 54 12.6.2 Connection reestablishment services 54 12.6.3 Data transmission services . 55 12.6.4 Conne
31、ction termination notification services . 56 12.7 Safety communication layer protocol for FSCP 8/2 . 56 12.7.1 Safety PDU format . 56 12.7.2 Safety FAL service protocol machine (SFSPM) . 62 12.8 Safety communication layer management for FSCP 8/2 . 85 12.8.1 Parameter Definitions . 85 12.8.2 Paramete
32、r Setup 89 12.8.3 Management Services 89 12.9 System requirements for FSCP 8/2 92 12.9.1 Indicators and switches 92 12.9.2 Installation guidelines . 94 12.9.3 Safety function response time 94 12.9.4 Duration of demands 95 12.9.5 Constraints for calculation of system characteristics . 95 12.9.6 Maint
33、enance 97 12.9.7 Safety manual 97 12.10 Assessment for FSCP 8/2 98 Annex A (informative) Additional information for functional safety communication profiles of CPF 8 . 99 A.1 Hash function calculation for FSCP 8/1 99 A.2 Hash function calculation for FSCP 8/2 99 A.3 Meaning of response time calculat
34、ion formula for FSCP 8/2 . 99 Annex B (informative) Information for assessment of the functional safety communication profiles of CPF 8 . 100 Bibliography . 101 4 IEC 61784-3-8:2016 IEC 2016 Figure 1 Relationships of IEC 61784-3 with other standards (machinery) . 9 Figure 2 Relationships of IEC 6178
35、4-3 with other standards (process) 10 Figure 3 Relationship between SCL and the other layers of IEC 61158 Type 18 26 Figure 4 State diagram . 37 Figure 5 Detection of unintended repetition 50 Figure 6 Detection of incorrect sequence 51 Figure 7 Detection of loss 51 Figure 8 Detection of unacceptable
36、 delay by time stamps . 52 Figure 9 Detection of unacceptable delay by timer 53 Figure 10 Protocol Hierarchy 54 Figure 11 Safety PDU Structure . 57 Figure 12 CTRL Configuration 57 Figure 13 SASE-M and SASE-S TS 60 Figure 14 S-Data during safety refresh . 60 Figure 15 S-Data not during safety refresh
37、 . 61 Figure 16 S-Data header configuration . 61 Figure 17 CRC calculation 62 Figure 18 Communication models . 62 Figure 19 SFSPM state transition diagram 63 Figure 20 Connection establishment sequence . 65 Figure 21 Communication sequence during safety refresh communication . 65 Figure 22 Offset me
38、asurement and generation sequence during safety refresh communication . 66 Figure 23 SFSPM-M state transition diagram 67 Figure 24 Sequence other than during safety refresh 70 Figure 25 S-Connect-req 71 Figure 26 S-InitConfirmNetPrm-req 71 Figure 27 net_prm_list . 72 Figure 28 S-InitVerifyStnPrm-req
39、 72 Figure 29 stn_prm_list . 72 Figure 30 S-InvokeFunc-req . 73 Figure 31 S-WriteErrorInfo-req . 73 Figure 32 date_and_time_of_occurence . 74 Figure 33 SFSPM-S state transition diagram 75 Figure 34 Sequence other than during safety refresh 80 Figure 35 S-Connect-rsp 80 Figure 36 S-InitConfirmNetPrm-
40、rsp . 81 Figure 37 S-InitVerifyStnPrm-rsp 81 Figure 38 S-InvokeFunc-rsp . 82 Figure 39 Offset calculation procedure of safety clock 83 Figure 40 Relationship between transmission interval fluctuation and transmission_interval 86 Figure 41 Calculation of allowable_refresh_interval 88 Figure 42 Calcul
41、ation of allowable_delay 89 IEC 61784-3-8:2016 IEC 2016 5 Figure 43 Calculation of response time between safety PLCs 94 Figure 44 Relationship between safety connections and residual error rate . 97 Figure A.1 allowable_delay and offset calculation deviation 99 Table 1 Selection of the various measu
42、res for possible errors . 25 Table 2 M1 safety device manager attribute format . 30 Table 3 S1 safety device manager attribute format . 30 Table 4 M1 safety connection manager attribute format 30 Table 5 S1 safety connection manager attribute format . 30 Table 6 M1 safety cyclic transmission attribu
43、te format 31 Table 7 S1 safety cyclic transmission attribute format . 31 Table 8 M1 safety device manager attribute encoding . 32 Table 9 S1 safety device manager attribute encoding . 32 Table 10 M1 safety connection manager attribute encoding 32 Table 11 S1 safety connection manager attribute encod
44、ing . 33 Table 12 M1 safety cyclic transmission attribute encoding. 33 Table 13 S1 safety cyclic transmission attribute encoding . 35 Table 14 Safety master monitor timer operation 39 Table 15 Safety slave monitor timer operation 39 Table 16 Safety data monitor timer operation 39 Table 17 Details of
45、 connection establishment and confirmation processing 41 Table 18 Details of slave information verification processing . 41 Table 19 Details of safety slave parameter transmission processing 42 Table 20 Monitor LEDs . 43 Table 21 Safety function response time calculation . 44 Table 22 Safety functio
46、n response time definition of terms 44 Table 23 Number of occupied slots and safety data 45 Table 24 Residual error rate (occupied slots = 1) . 46 Table 25 Residual error rate (occupied slots = 2) . 46 Table 26 Selection of the various measures for possible errors . 49 Table 27 SS-Start 54 Table 28
47、SS-Restart 55 Table 29 SS-InvokeFunc 55 Table 30 SS-Read . 55 Table 31 SS-Write 56 Table 32 SS-Terminate 56 Table 33 Safety PDU elements . 57 Table 34 CTRL Elements . 58 Table 35 State list 63 Table 36 SFSPM-M timers . 67 Table 37 SFSPM-M state transition table 67 Table 38 support_functions 71 Table
48、 39 error_category . 74 6 IEC 61784-3-8:2016 IEC 2016 Table 40 error_category for AL errors . 74 Table 41 error_code . 74 Table 42 SFSPM-S timers 76 Table 43 SFSPM-S state transition table 76 Table 44 Parameters used by safety communication layer 85 Table 45 SM-SetSafetyStationInfo 89 Table 46 Safety station information setting parameters of SM-SetSafetyStationInfo . 90 Table 47 SM-SetSafetyNetworkParameter 90 Table 48 Safety network parameters of SM-SetSafetyNetworkParameter 90 Table 49 SM-GetSafetyStationInfo . 91 Table 50 Saf
