1、INTERNATIONALIECSTANDARD61511-2First edition2003-07Functional safetySafety instrumented systemsfor the process industry sector-Part 2:Guidelines for the application of IEC 61511-1IECReference number1EC61511-2:2003(E)Copyright by the International Electrotechnical CommissionPublication numberingAs fr
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8、Functional safetySafety instrumented systemsfor the process industry sectorPart 2:Guidelines for the application of IEC 61511-1IEC 2003-Copyright-all rights reservedIntemational Electrotechnical Commission,3.rue de Varembe,PO Box 131.CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+4
9、1 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chPRICE CODE XBrotechnical CommissonFor price,cn ctalogu61511-21EC:2003(E)-3-12.5 Integration of the application software with the SIS subsystem.4912.6 FPL and LVL software modification procedures.4912.7 Application software verification.5013 Factory ac
10、ceptance testing(FAT).5113.10 bjectives5113.2 Recommendations.。.5114 SIS installation and commissioning.5214.10 bjectives5214.2 Requirements.5215 SIS safety validation.5215.10 bjective.5215.2 Requirements.5216 SIS operation and maintenance.5316.1 Objectives.5316.2 Requirements.5316.3 Proof testing a
11、nd inspection.5317 81S modification.5517.1.5517.2 Requirements5518 SlS decommissioning.5518.1 0bjgctivgs5518.2 Requirements.5519 Information and documentation requirements.5518.1 0bjectives5518.2 Requiremonts.55Annex A(informative)Example of techniques for calculating the probability of failureon de
12、mand for a safety instrumented function.57Annex B(informative)Typical sIs architecture development.8Annex C(informative)Application features of a safety PLC.63Annex D(informative)Example of SIS logic solver application software developmentmethodology65Annex E(informative)Example of development of ex
13、ternally configured diagnosticsfor a safety-configured PE logic solver.69Figure 1-Overall framework of this standard.Figure 2-BPCS function and initiating cause independence illustration.21Figure 3-Software development lifecycle(the V-model).38Figure C.1-Logic solver.64Figure E.1-EWDT timing diagram.71Table 1-Typical Safety Manual organisation and contents.4
