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2.8.7 Switches and relays$ ?" P* A2 M1 I8 M. N
A switch in a SAFETY INTERLOCK system shall:- a6 S' L6 A! L
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
# U5 r" Q( N2 d* X: l9 u' q; ~$ X7.1.4.4 of IEC 61058-1; or
8 ^8 t1 ]9 _: B− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
, i# W1 i" `) z# d! Z5 l# R− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.3 E: d0 Z `+ |- a
A relay in a SAFETY INTERLOCK system shall:
) V0 U i! K7 L− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
; z) ?) L" [$ E4 G6 U− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.; s' F1 `) l+ w3 q# |9 v
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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4 S1 t( M: |, t) O, h0 }" l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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