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2.8.7 Switches and relays: T% G. @0 c$ ~. O" [- L g1 ?1 x, d
A switch in a SAFETY INTERLOCK system shall:
& C4 B* ]& X* q− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
- }6 O/ Y$ _. o7 G# ?; z; u! E7.1.4.4 of IEC 61058-1; or5 T; T- { _3 D; y8 _( x: ^
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or4 z* @% u3 [* j! R: j
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.; ?% g: V6 C8 y+ o
A relay in a SAFETY INTERLOCK system shall:+ F/ ^8 B/ m8 f6 \6 v! N
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or# j9 [9 U6 d5 N2 y9 O% I
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4., N" Y& h t0 w8 L% j
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
4 S) G& N) C( Z( G% s# I$ ?7 R2 v9 \4 ^+ H2 q* t, K) H- b, m* m
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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