1、 IEC 61784-3-2 Edition 3.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Profiles Part 3-2: Functional safety fieldbuses Additional specifications for CPF 2 Rseaux de communication industriels Profils Partie 3-2: Bus de terrain de scurit fonctionnelle Spcifica
2、tions supplmentaires pour CPF 2 IEC 61784-3-2:2016-07(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 61784-3-2 Edition 3.0 2016-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Profiles Part 3-2: Function
20、al safety fieldbuses Additional specifications for CPF 2 Rseaux de communication industriels Profils Partie 3-2: Bus de terrain de scurit fonctionnelle Spcifications supplmentaires pour CPF 2 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 25.040.40, 35.100.0
21、5 ISBN 978-2-8322-3480-8 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 61784-3-2:2016 IEC 2016 CONTENTS FOREWORD. 12 0 Introduction . 14 0.1 General . 14 0.2 Patent declaration . 16 1 Scope 17 2 Normative references 17 3 Terms, definitions, symbols, abbreviated terms and conventions 19 3.1 Terms and definition
23、s 19 3.1.1 Common terms and definitions . 19 3.1.2 CPF 2: Additional terms and definitions 24 3.2 Symbols and abbreviated terms . 24 3.2.1 Common symbols and abbreviated terms 24 3.2.2 CPF 2: Additional symbols and abbreviated terms. 25 3.3 Conventions 26 4 Overview of FSCP 2/1 (CIP Safety) . 26 4.1
24、 General . 26 4.2 FSCP 2/1 26 5 General . 27 5.1 External documents providing specifications for the profile . 27 5.2 Safety functional requirements 28 5.3 Safety measures . 28 5.4 Safety communication layer structure 29 5.5 Relationships with FAL (and DLL, PhL) 30 5.5.1 General . 30 5.5.2 Data type
25、s . 30 6 Safety communication layer services 30 6.1 Introduction . 30 6.2 Connection object . 31 6.2.1 General . 31 6.2.2 Class attribute extensions 31 6.2.3 Service extensions . 31 6.2.4 Explicit message response format for SafetyOpen and SafetyClose 32 6.3 Connection Manager object . 32 6.3.1 Gene
26、ral . 32 6.3.2 ForwardOpen for safety 33 6.3.3 Safety network segment . 35 6.3.4 Originator rules for calculating the connection parameter CRC 38 6.3.5 SafetyOpen processing flowcharts 38 6.3.6 Checks required by Multipoint producers with existing connections . 41 6.3.7 Electronic key usage for safe
27、ty . 42 6.3.8 RPI vs. API in safety connections . 42 6.3.9 Application path construction for safety 42 6.3.10 Safety Validator connection types . 43 6.3.11 Application reply data in a successful SafetyOpen response . 46 6.3.12 Unsuccessful SafetyOpen response . 48 6.3.13 ForwardClose for safety . 50
28、 IEC 61784-3-2:2016 IEC 2016 3 6.4 Identity object . 50 6.4.1 General . 50 6.4.2 Changes to common services . 50 6.4.3 Extensions for CP 16/3 devices 51 6.5 Link objects 51 6.5.1 DeviceNet object changes 51 6.5.2 TCP/IP Interface object changes 52 6.5.3 SERCOS III Link object 52 6.6 Safety Superviso
29、r object 53 6.6.1 General . 53 6.6.2 Safety Supervisor class attributes . 54 6.6.3 Subclasses 54 6.6.4 Safety Supervisor instance attributes 54 6.6.5 Semantics 58 6.6.6 Subclasses 64 6.6.7 Safety Supervisor common services . 64 6.6.8 Safety Supervisor behavior 75 6.7 Safety Validator object 82 6.7.1
30、 General . 82 6.7.2 Class attributes 82 6.7.3 Instance attributes . 83 6.7.4 Class services . 88 6.7.5 Instance services . 89 6.7.6 Object behavior 89 6.8 Connection Configuration Object . 92 6.8.1 General . 92 6.8.2 Class attribute extensions 92 6.8.3 Instance attributes, additions and extensions.
31、. 92 6.8.4 Instance attribute semantics extensions or restrictions for safety . 95 6.8.5 Special Safety Related Parameters (Attribute 13) . 99 6.8.6 Object-specific services . 105 6.8.7 Common service extensions for safety 105 6.8.8 Object behavior 107 7 Safety communication layer protocol 108 7.1 S
32、afety PDU format 108 7.1.1 Safety PDU encoding . 108 7.1.2 Safety CRC 120 7.2 Communication protocol behavior 121 7.2.1 Sequence of safety checks . 121 7.2.2 Connection termination 121 7.2.3 Cross checking error 121 7.3 Time stamp operation 122 7.4 Rollover counts in the EF 123 7.5 Protocol sequence
33、 diagrams . 123 7.5.1 General . 123 7.5.2 Normal safety transmission 123 7.5.3 Lost, corrupted and delayed message transmission 124 7.5.4 Lost, corrupted or delayed message transmission with production repeated 127 4 IEC 61784-3-2:2016 IEC 2016 7.5.5 Point-to-point ping 129 7.5.6 Multipoint ping on
34、CP 2/3 Safety . 130 7.5.7 Multipoint ping on CP 2/2 safety networks 131 7.5.8 Multipoint ping retry with success 132 7.5.9 Multipoint ping retry with timeout . 133 7.6 Safety protocol definition . 134 7.6.1 General . 134 7.6.2 High level view of a safety device . 134 7.6.3 Safety Validator object .
35、134 7.6.4 Relationship between SafetyValidatorServer and SafetyValidatorClient . 135 7.6.5 Extended Format time stamp rollover handling 135 7.6.6 SafetyValidatorClient function definition 140 7.6.7 SafetyValidatorServer function definition 148 7.7 Safety message and protocol data specifications . 16
36、1 7.7.1 Mode octet . 161 7.7.2 Time Stamp Section . 162 7.7.3 Time Coordination Message . 162 7.7.4 Time correction message . 163 7.7.5 Safety data production . 163 7.7.6 Producer dynamic variables . 171 7.7.7 Producer per consumer dynamic variables 173 7.7.8 Consumer data variables 174 7.7.9 Consum
37、er input static variables 176 7.7.10 Consumer dynamic variables 177 8 Safety communication layer management . 179 8.1 Overview 179 8.2 Definition of the measures used during connection establishment 179 8.3 Originator-Target relationship validation 183 8.4 Detection of mis-routed connection requests
38、 183 8.5 SafetyOpen processing . 184 8.6 Ownership management 184 8.7 Bridging different physical layers . 185 8.8 Safety connection establishment . 187 8.8.1 Overview . 187 8.8.2 Basic facts for connection establishment 187 8.8.3 Configuring safety connections . 187 8.8.4 Network time expectation m
39、ultiplier 189 8.8.5 Establishing connections 190 8.8.6 Recommendations for consumer number allocation . 193 8.8.7 Recommendations for connection establishment . 194 8.8.8 Ownership establishment . 194 8.8.9 Ownership use cases . 195 8.8.10 PID/CID usage and establishment 198 8.8.11 Proper PID/CID us
40、age in multipoint and point-to-point connections . 198 8.8.12 Network supported services . 200 8.8.13 FSCP 2/1 safety device type 201 8.9 Safety configuration process . 205 8.9.1 Introduction to safety configuration . 205 8.9.2 Configuration goals 205 IEC 61784-3-2:2016 IEC 2016 5 8.9.3 Configuratio
41、n overview . 206 8.9.4 User configuration guidelines . 207 8.9.5 Configuration process SIL3 justification 208 8.9.6 Device functions for tool configuration 209 8.9.7 Password security 209 8.9.8 SNCT interface services . 209 8.9.9 Configuration lock 209 8.9.10 Effect of configuration lock on device b
42、ehavior . 210 8.9.11 Configuration ownership . 211 8.9.12 Configuration mode 211 8.9.13 Measures used to ensure integrity of configuration process . 211 8.9.14 Download process 213 8.9.15 Verification process 216 8.9.16 Verification process 218 8.9.17 Configuration error analysis . 219 8.10 Electron
43、ic Data Sheets extensions for safety . 223 8.10.1 General rules for EDS based safety devices . 223 8.10.2 EDS extensions for safety 224 8.11 Requirements for CP 2/2 . 229 8.11.1 EPI rules for safety messages that travel over CP 2/2 . 229 8.11.2 Default safety I/O service . 229 8.11.3 Duplicate IP de
44、tection 229 8.11.4 Priority for safety connections 229 8.12 Requirements for CP 2/3 . 230 8.12.1 Allocation of CP 2/3 identifiers . 230 8.12.2 Additional requirements 232 8.13 CP 16/3 requirements . 232 8.13.1 General architecture for CPF 2 on CP 16/3 . 232 8.13.2 Baseline FSCP 2/1 on CP 16/3 device
45、 233 8.13.3 Supported objects and services in CP 16/3 devices 234 8.13.4 Transport layer requirements 234 8.13.5 FSCP 2/1 and the CP 16/3 device model 237 8.13.6 UNID assignment on CP 16/3 . 238 9 System requirements . 241 9.1 Indicators and switches . 241 9.1.1 General indicator requirements . 241
46、9.1.2 LED indications for setting the device UNID 241 9.1.3 Module Status LED 241 9.1.4 Indicator warning . 242 9.1.5 Network Status LED . 242 9.1.6 Switches 243 9.2 Installation guidelines 245 9.3 Safety function response time 246 9.3.1 Overview . 246 9.3.2 Network time expectation . 246 9.3.3 Equa
47、tions for calculating network reaction times . 247 9.4 Duration of demands . 249 9.5 Constraints for calculation of system characteristics 249 9.5.1 Number of nodes . 249 6 IEC 61784-3-2:2016 IEC 2016 9.5.2 Network PFH . 249 9.5.3 Bit Error Rate (BER) 252 9.6 Maintenance . 253 9.7 Safety manual . 25
48、3 10 Assessment . 253 Annex A (informative) Additional information for functional safety communication profiles of CPF 2 . 254 A.1 Hash function example code 254 A.2 . 268 Annex B (informative) Information for assessment of the functional safety communication profiles of CPF 2 . 269 Bibliography . 2
49、70 Figure 1 Relationships of IEC 61784-3 with other standards (machinery) . 14 Figure 2 Relationships of IEC 61784-3 with other standards (process) 15 Figure 3 Relationship of Safety Validators 27 Figure 4 Communication layers 30 Figure 5 ForwardOpen with safety network segment . 34 Figure 6 Safety network target format . 36 Figure 7 Target Processing SafetyOpen with no configuration data (Form 2 SafetyOpen) . 39 Figure
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