1、 60079-272012 27 (FISCO)IEC 60079-27: 2008Explosive atmospheres Part 27:Fieldbus intrinsically safe concept (FISCO)(IDT) 27 2002 . 184- , 1.02004 . 1 -( -) , 42 403 - (Ex-)3 - 17 2012 . 317-4 60079-27:2008 - . 27. (FISCO) (IEC 60079-27:2008Explosive atmospheres Part 27: Fieldbus intrinsically safe c
2、oncept (FISCO). - , 5 60079-272008 , - . () . - , , 2013 , - - II 60079-2720121 .12 13 , 23.1 23.2 .24 24.1 24.2 FISCO .24.2.1 24.2.2 ia ib FISCO 24.2.3 i FISCO.34.3 FISCO34.3.1 34.3.2 ia ib FISCO 44.3.3 i FISCO .44.4 44.5 .44.6 44.7 55 55.1 .55.2 i FISCO .6 () 7 () 8 9III 60079-272012 - 60079-27 .
3、27. (FISCO), , - . - . 60079-27, , - - 94/9 . .IV 60079-272012 27 (FISCO)Explosive atmospheres. Part 27: Fieldbus intrinsically safe concept (FISCO) 201307011 , (FISCO), , - 61158-2. FISCO 60079-11, 60079-14 60079-25, . ( ) FISCO , 60079-0, . , - , - .:1 , FISCO, - 60079-11 , . , - , , FISCO. FISCO,
4、 U0, I0, P0Ui, Ii, Pi , .2 .3 FISCO - 1 2, 0, . - FISCO ic 2.4 60079-27 FNICO 2 , nL. ic , - , FNICO nL.2 .- , ( ).1 60079-272012 60079-0 . 0. . (IEC 60079-0Explosive atmospheres Part 0: Equipment General requirements) 60079-11 . 11. i(IEC 60079-11 Explosive atmospheres Part 11: Equipment protection
5、 by intrinsic safety i) 60079-14 . 14. , - (IEC 60079-14 Explosive atmospheres Part 14: Electrical installations design, selection and erection) 60079-15 . 15. n (IEC 60079-15Explosive atmospheres Part 15: Equipment protection by type of protection n) 60079-25 . 25. (IEC 60079-25Explosive atmosphere
6、s Part 25: Intrinsically safe electrical systems) 61158-2 . 2. (IEC 61158-2 Digital data communications for measurement and control Fieldbus foruse in industrial control systems Part 2: Physical layer specification and service definition)3 , 3.1 60079-0, 60079-11 60079-15. , , - , 60050-426.3.2 FISC
7、O (Fieldbus Intrinsically Safe Concept) .FNICO (Fieldbus Non-Incendive Concept) .4 4.1 60079-11, . , FISCO.4.2 FISCO4.2.1 -, . 17,5 14 , 60079-11 . Ci Li, , 5 10 -. . Li Ci L0 C0 - . , , -.4.2.2 ia ib FISCO I0 ia ib FISCO 60079-11, 380 A. 1.2 60079-272012 1 ia ibFISCO U0, IIC( 1,5), A IIB( 1,5), A14
8、 183 38015 133 35416 103 28817 81 24017,5 75 213 IIB 5,32 . P0 5,32 .4.2.3 i FISCO I0 i FISCO - 60079-11. i FISCO - 2. 2 i FISCO U0, IIC, A IIB, A14 274 57015 199 53116 154 43217 121 36017,5 112 319 0 i FISCO - 5,32 .4.3 FISCO4.3.1 , , . 60079-11 :a) Ui= 17,5 ;b) Ci 5;) 60079-11;d) , , , ;e) , 60079-11, , . . , 50 ;f) IIC 60079-11;3 60079-272012g) , , 60079-11.4.3.2 ia ib FISCO ia ib FISCO:a) Ii= 380 A PI=5,32;b) Li 10 .4.3.3 i FISCO i FISCO , - Li 20 .4.4 , , - , 90 2,2 ( ). 1 61158-2 1 , . :a) IIC;b) Ui= 17,5 ; 2 , () , 5,1 3,4 .c) 60079-11;d) Li10;) , , 60079-11. . 3
