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2.8.7 Switches and relays5 {2 Y& M" X% A8 b/ `! m- r
A switch in a SAFETY INTERLOCK system shall:* K. e) g% i& ^/ i( r% [+ e+ c
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
6 G7 i! r7 W; H; @9 z/ d) _7.1.4.4 of IEC 61058-1; or0 h" P- x$ j, C5 g% i4 E
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
' H+ C4 O4 ?/ v− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.+ m' I( O% d! ^5 }1 f# d
A relay in a SAFETY INTERLOCK system shall:
/ E/ k: ~8 P0 @0 A* V% R− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or: ?6 R/ ^4 p( g8 V
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.* }4 O5 H4 e4 p+ f) t* m( q! O
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.# W" p* d$ d" z Y B( f# ?: b0 t; \
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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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