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2.8.7 Switches and relays( K7 [- w+ g7 Z
A switch in a SAFETY INTERLOCK system shall:
8 C3 c6 R4 e' d− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
8 |4 _) J% M6 Y7 a7.1.4.4 of IEC 61058-1; or
) y6 [, c+ A5 Q& W8 q− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
9 M2 q2 O( ?+ L9 z0 H" |− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
* D8 X& d; x! V) B3 v8 Q* oA relay in a SAFETY INTERLOCK system shall:
% a% {6 F) _# u+ u: o' t0 A1 V− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
# A6 Y% R1 _- J T" y/ z7 u9 m) v− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.7 T, B% g( I2 n( P2 F
Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4." A7 z, K& `7 m+ T6 y: x7 w
* g) C# I$ l" G( \$ n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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