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2.8.7 Switches and relays3 F/ p2 y: H: E( k# ?! o1 p
A switch in a SAFETY INTERLOCK system shall:( P. z( M3 B; I3 }8 Z" L0 d
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with- F2 E4 i6 t8 W0 R2 S
7.1.4.4 of IEC 61058-1; or2 E$ E. @1 k; _
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
% P9 N% ]% z+ l% ]+ r( e, `− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.8 n- Y: {/ Y: m; E3 R/ T
A relay in a SAFETY INTERLOCK system shall:
: @1 u! \9 U, u− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
+ V+ K8 R" F/ z2 m/ K− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
' ^4 b# n5 f% A. nCompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.- P6 H/ E8 B7 ]0 Y: S4 R- e9 `$ N
# E6 d9 H5 Y& A9 C% o& ^- [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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