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2.8.7 Switches and relays
! T! M9 H& W' k: ?. z. ~; RA switch in a SAFETY INTERLOCK system shall:( H8 r" M5 O( S
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
# C% H) m1 x" V" |7.1.4.4 of IEC 61058-1; or
. z' Q2 X4 ]$ ^3 C/ P) b, g− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or, k: X) d8 L; V( e3 n; V
− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
9 A) D0 T: r8 d0 G# q5 R i- _- kA relay in a SAFETY INTERLOCK system shall:
! t8 o2 B! M) F ?; S. c9 r− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
3 |, [0 m; G$ b# I9 B4 ]− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
. Q" o3 F% D$ I' p! @1 r2 F `Compliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.
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' O; W9 c. f7 u) Y# b- {/ g! q* T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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