KS C IEC 61508-4-2010 Functional safety of electrical electronic programmable electronic safety-related systems-Part 4:Definitions and abbreviations《电气、电子、程序可控的电子安全相关系统的功能性安全 第4部分 .pdf

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KS C IEC 61508-4-2010 Functional safety of electrical electronic programmable electronic safety-related systems-Part 4:Definitions and abbreviations《电气、电子、程序可控的电子安全相关系统的功能性安全 第4部分 .pdf_第1页
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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 615084/ 4: KS C IEC 615084 :2010 2010 12 30 http:/www.kats.go.krKS C IEC 615084:2010 : ( ) ( ) FITI ( ) : (http:/www.standard.go.kr) : :2010 12 30 2010-0704 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 615084:2010 i ii iii 1 1 2 2 3

2、 .3 3.1 4 3.2 5 3.3 : .7 3.4 : 9 3.5 11 3.6 , , .14 3.7 17 3.8 .17 A() 21 KS C IEC 615084:2010 ii . KS C IEC 61508 / 8 . 0 : KS C IEC 61508 1 : 2 : / 3 : 4 : 5 : 6 : KS C IEC 615082 KS C IEC 615083 7 : KS C IEC 615084 . A() KS C IEC 615084:2010 iii 1998 1 IEC 615084, Functional safety of electrical/

3、electronic/ programmable electronic safety-related systemsPart 4:Definitions and abbreviations . / . (PES) . , . , . , , / (E/E/PES) . . . , , (:, , , , ) . (: ) . , / (E/E/PE) , . E/E/PES , . . . , E/E/PES , E/E/PES (: , , , ) . . , . E/E/PES . , , (: , ) , . . E/E/PE . E/E/PE . . E/E/PE . , . KS C

4、 IEC 615084:2010 iv E/E/PE E/E/PE . , , , 10 5 . , , 10 9 . E/E/PE . E/E/PE , , . 2 (fail safe) . E/E/PE , 2 . KS C IEC 615084:2010 / 4: Functional safety of electrical/electronic/programmable electronic safety-related systemsPart 4:Definitions and abbreviations 1 1.1 KS C IEC 61508 1 7 . 1.2 . . 1.

5、3 KS C IEC 61508 1 4 E/E/PE (3.4.4 ). IEC Guide 104 KS A ISO/IEC GUIDE 51 . KS C IEC 61508 . 1.4 , . , , , . 1.5 1 KS C IEC 61508 1 7 , KS C IEC 615084 E/E/PE . IEC 61508(, IEC 61511) , IEC 61508 (, ANSI/ISA-S84.01) IEC 61508 . KS C IEC 615084:2010 2 E/E/PE 7.6 1 E/E/PE , 7.13 7.14 1 E/E/PE , , 7.15

6、 7.17 1 5 (, , , ) (E/E/PE , , ) 7.1 7.5 1 7 2 3 6 E/E/PE 2 3 4 5 A 1 6 1 8 1 1 KS C IEC 61508 2 1 1 5 7 6 4 1 1 1 1 1 3 2 5. A 8. 6. 2 3 7.17.5 7.6 7.137.14 7.157.17 E/E/PE E/E/PE E/E/PE E/E/PE E/E/PE KS C IEC 615084:2010 3 . . ( ) . KS A ISO/IEC GUIDE 51:2003, KS C IEC 615081:2010, / 1 : KS C IEC

7、615082:2010, / 2 :/ KS C IEC 615083:2010, / 3 : KS C IEC 615085:2010, / 5 : KS C IEC 615086:2010, / 6 :KS C IEC 615082 KS C IEC 615083 KS C IEC 615087:2010, / 7 : ISO 8402:1994, ISO/IEC 238214:1998, 14:, , IEC Guide 104:1997, IEC 60050(191):1990, 191: IEC 60050(351):1975, 351: 3 1 . 1 MooN N M ( 1oo

8、2 2 1 . .) KS C IEC 615086 B MooND N M KS C IEC 615086 B ALARP (As low as is reasonably practicable) KS C IEC 615085 B E/E/PE / (Electrical/electronic/programmable electronic) 3.2.6 E/E/PES / (Electrical/electronic/programmable electronic system) 3.3.3 EUC (Equipment under control) 3.2.3 PES (Progra

9、mmable electronic system) 3.3.1 PLC (Programmable logic controller) KS C IEC 615086 E SIL (Safety integrity level) 3.5.6 KS C IEC 615084:2010 4 3.1 3.1.1 (harm) . KS A ISO/IEC GUIDE 51:2003() (KS C IEC 615081 7.4 ). ( ), . 3.1.2 (hazard) . KS A ISO/IEC GUIDE 51:2003 (: ) (: ) . 3.1.3 (hazardous situ

10、ation) . 3.1.4 (hazardous event) . 3.1.5 (risk) . KS A ISO/IEC GUIDE 51:2003 KS C IEC 615085 A . 3.1.6 (tolerable risk) . KS C IEC 615085 B . 3.1.7 (residual risk) . 3.1.8 (safety) . KS C IEC 615084:2010 5 3.1.9 (functional safety) EUC EUC E/E/PE , , . 3.1.10 (safe state) EUC . EUC . EUC . . 3.1.11

11、(reasonably foreseeable misuse) . , . 3.2 3.2.1 () (functional unit) , . IEV 191-01-01 () . . ISO/IEC 2382-14-01-01 3.2.2 (software) , , , . 1 . 2 1 ISO 23821 ISO 90003 . 3.2.3 (Equipment Under Control) EUC , , , , , , . EUC EUC . 3.2.4 EUC (EUC risk) EUC EUC EUC . KS C IEC 615084:2010 6 1 , (, ) E/

12、E/PE , , . 2 EUC KS C IEC 615085 A.1 . EUC E/E/PE , , . 3 . 3.2.5 (programmable electronic) PE , , , / . (CPU) . . (ASICs) programmable logic controllers(PLC) (: , , ) 3.2.6 / (electrical/electronic/programmable electronic) E/E/PE (E) (E) (PE) . . / . () () ( ), 3.2.5 . 3.2.7 (limited variability la

13、nguage) (textual) (graphical) . . , IEC 611313 (PLC ) . : , ( open closed contact ) ( ) . KS C IEC 615084:2010 7 : AND, OR, NOT . (mnemonic instruction) . : , , , /(block transfer read/write), (shift register), (sequencer instruction) . (sequential function chart): , , (sequential program) 3.3 : 3.3

14、.1 (system) . , . 1 (3.4.1 5 ). 2 IEV 351-01-01 . 3.3.2 (programmable electronic system) PES , , , , , ( 2 ). PES 2 a) . 2 b) PES , (PE) EUC , . PE PES . 2 c) 2 PE , 2 d) PE PES . 3.3.3 / (electrical/electronic/programmable electronic system) E/E/PES , , , / (E/E/PE) . , , , , , ( 3 ). 3.3.4 EUC (EU

15、C control system) / EUC . EUC . 3.3.5 (architecture) . KS C IEC 615084:2010 8 , ( ) . 3.3.6 (module) , , 3.3.7 (software module) / . ( ) PE PE1 PE2 PE1 PE2 b) PES(, PES ) c) P ES( , , ) d) (element) .(, PES 2 .) ( - ) / ( - ) A-D A-D PES a) PES PES . 2 (PES): PES a) PES AD AD / (:) (:) b) PES(, PES

16、) c) PES(: , ) d) (element) (, PES 2 ( ) KS C IEC 615084:2010 9 E/E/PE ( - ) / ( - ) A-D A-D E/E/PES E/E/PE PES . 3 / (E/E/PES): 3.3.8 (channel) . 2 ( ) 2 . 1 / , (3.4.5 ), , . 2 ( ) . 3.3.9 (diversity) . . 3.3.10 (redundancy) . . 1 . 2 IEV 191-15-01 . ISO/IEC 1382-14-01-12 3.4 : E/E/PES AD AD / (:) (:) E/E/PE KS C IEC 615084:2010 10 3.4.1 (safety-related system) EUC . E/E/PE , , , . 1 (3.4.3 ) , (3.1.6 ) . KS C IEC 615085 A . 2 EUC . . ,

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