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2.8.7 Switches and relays9 x" ]' L E7 K/ A
A switch in a SAFETY INTERLOCK system shall:5 ~" j4 f3 ]. `0 v, x6 M
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
) V, Y5 R% o& E0 y3 ~7.1.4.4 of IEC 61058-1; or( ~4 ?6 o3 v; W; ~6 \8 l4 y6 N
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or3 z0 O7 i6 n( A* k5 I$ R% D; @
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
; z( `) x4 Y# I7 Z2 a0 ?$ }. @A relay in a SAFETY INTERLOCK system shall:% W4 @! a: X' o t5 O; n, x
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or% A6 r' y' @, r9 W# j
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
2 R) ~9 f4 v" s- ACompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.& a- w$ w6 V! N1 t2 [
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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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