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2.8.7 Switches and relays/ z+ _$ x& E) x1 K, f
A switch in a SAFETY INTERLOCK system shall:
" s& F, g- K, m$ t+ D$ ~1 u− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
6 _( x) d& |5 z, ~9 Q3 W3 }7.1.4.4 of IEC 61058-1; or
P8 F- A, _, }+ E1 R1 |4 r− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
3 H8 |3 c& F# q( C8 p4 u− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
+ z: ^4 ~$ V# E! b _9 xA relay in a SAFETY INTERLOCK system shall:6 \" `$ ~' o3 t
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or6 l9 L: Y) g2 t5 J+ b/ y6 a9 V! [
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4., L( n$ ~/ d6 }
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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$ k' k- ~+ z, n& B7 f' v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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