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2.8.7 Switches and relays5 X6 W4 k) N! F
A switch in a SAFETY INTERLOCK system shall:9 y+ |& c2 ~& B
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with' {" R/ V5 R& {/ o s
7.1.4.4 of IEC 61058-1; or
0 D6 }' M/ ~: B1 z− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
3 f6 s5 M* _: P− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4./ D& D! L3 H6 I! s
A relay in a SAFETY INTERLOCK system shall:: ]2 n6 X2 v8 |+ ~
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
7 a7 Z( Y+ o0 F6 [; D7 U− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
: b5 ` \' U! V" Z, }Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.1 D# ^+ f9 M& ?0 r
" ?# K. [9 v4 }, O( B这一章节只是针对RELAY 是SAFETY INTERLOCK system 里的要求吧? 个人认为用在primary且是FUSE后(还有用在secondary)的话就没有距离要求了, 用在跨接primary, secondary就按照2.10.3的距离要求了.. 之前有遇见relay用在FUSE后的情况, 是么有要求距离的. |
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