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2.8.7 Switches and relays( Z t) g$ `9 T' ]3 e" Z
A switch in a SAFETY INTERLOCK system shall:
5 S: e3 s! F- i7 |( J− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with" j/ y! b8 A' ^7 Z- _
7.1.4.4 of IEC 61058-1; or
8 q$ m0 K8 ?- C− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or) R; F8 q a) p/ c3 l5 [
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
6 w: o a/ w% a' g7 \A relay in a SAFETY INTERLOCK system shall:4 p+ T/ D( a; C, @+ F5 N
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or% q8 n# H8 Z& f2 B! f
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.% m3 I2 i7 @0 a
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.( z I0 V* |1 O
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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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