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2.8.7 Switches and relays
# t9 U1 y$ r0 J& S: nA switch in a SAFETY INTERLOCK system shall:7 p- q' Q9 S/ z5 h
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with* h& H! m0 g4 I/ ]2 E; m- J. T( H
7.1.4.4 of IEC 61058-1; or
% H0 d8 i& {; X3 j8 h* ~4 u7 x− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
1 h _( R; [1 C5 x I {0 k− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.1 s+ @0 P0 O; T' L
A relay in a SAFETY INTERLOCK system shall:9 g& L% @; S) n8 L/ `( ?
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or: ^" a @1 W+ r! G8 a- p5 ]7 q
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
2 L( d0 O# i" D2 l- UCompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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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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