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2.8.7 Switches and relays* D' B \( W2 J& K: T/ a* ]
A switch in a SAFETY INTERLOCK system shall:
) l- h( m: R9 C$ l& T− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with- s! r7 m: n0 z+ Y
7.1.4.4 of IEC 61058-1; or* a9 ?+ Q. y# t1 [- F4 z
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
6 |/ J" j* ]% q; v" @- t+ I0 _ f− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.9 Y6 E( K( G6 g: s" g6 ]7 \
A relay in a SAFETY INTERLOCK system shall:. U& u/ M) L5 t& s0 Y# K( Y" x
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
* p0 ~( }' U6 W− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.1 ` ~0 x2 Q3 B+ @& r4 V& r6 h
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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! E1 B2 I8 ]/ H& b& A5 f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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