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2.8.7 Switches and relays
& c3 O8 h! S1 k- @9 K) N1 LA switch in a SAFETY INTERLOCK system shall:$ F) Z$ p2 U1 Y! ]4 ?0 j- T- _% X0 \
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
; i* E& Y K, T' b6 k R4 U+ _7.1.4.4 of IEC 61058-1; or
3 D7 A" \' O# t0 g! W3 [8 X3 H0 w− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or, L2 T p0 s$ ?9 G3 f
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
9 Z& f9 Q0 U# }! l5 h; a+ cA relay in a SAFETY INTERLOCK system shall:6 w/ P8 e; ~5 [6 Q: z4 C# u: n. ^
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
6 P; j+ b6 n; p" H8 w7 [− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.( A6 F& i6 S2 c# P% G, u, b0 _$ J
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
: Z$ N/ b- O5 ~" [" J/ K T* `( u) ]+ k. M4 c/ h
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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