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2.8.7 Switches and relays
6 k: g p; [; u; G7 GA switch in a SAFETY INTERLOCK system shall:) {4 m" I# _) s; L' Y% B
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with3 s: L) n; j. c% }0 d
7.1.4.4 of IEC 61058-1; or# c V6 {- Z4 w& E3 W- T! _4 b
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
+ r' U/ P" M Q' E! @2 l0 i5 M− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
0 O, \/ h8 W* E, _A relay in a SAFETY INTERLOCK system shall:: d0 E: g+ P% h4 Y+ n7 z1 S
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
) p8 W1 N8 H2 t' i O/ {− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
. C. n4 _2 O- u+ v& w5 K$ XCompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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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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