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2.8.7 Switches and relays, \0 D( A6 [6 i. j; I
A switch in a SAFETY INTERLOCK system shall:
M$ P U/ P9 R* e. o2 b/ x− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
+ @! J; c4 u0 X# B: E9 V7.1.4.4 of IEC 61058-1; or) P, L2 c: U0 Z6 o# A! H
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
2 c6 t% a4 Q; Y2 T0 n* c− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
/ X# k, t/ D( H! ?A relay in a SAFETY INTERLOCK system shall:
( Q1 B: h3 S! z7 S$ Y) n− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or0 C/ `- i0 h! q* C
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
+ {. {2 p; A# w% l* }) JCompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4./ d3 {) n3 |# T+ e1 D$ Y
$ z6 t& R5 v5 U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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