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2.8.7 Switches and relays
; q+ z r9 B+ j' C* l$ zA switch in a SAFETY INTERLOCK system shall:2 V4 g+ I' P7 |
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with" [! }* y2 Z' `8 g8 M9 |/ m# N
7.1.4.4 of IEC 61058-1; or
b& A- \/ b+ T' C0 y% p+ Z e1 s− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or$ R' i7 O" I. {0 O7 }
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.) k: ^' \$ {/ `3 R& [
A relay in a SAFETY INTERLOCK system shall:6 j7 N }4 Y$ v6 r
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or0 t, E5 b7 Q* i2 ~' B3 q( V5 l
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4. V0 Z+ _; K4 p) |4 `6 K
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.; J! q( U5 ]4 [7 p" a& H: ?7 s
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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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