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一行白鹭上青天 发表于 2021-5-28 17:08 Q7 R9 l) Y9 P9 Z, d2 \
有的报告里面列了，有的，没有列，不是同一家机构。- q; D0 r" Q8 }" k$ V x7 }
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请问列不列入CDF有没有什么依据？水压开关也是开 ...
od 2020里有定义，但更多的是主观因素，所以有的元件理解起来会有会有偏差" p! ~+ T8 e n. x/ P# h
4.7.2 The information to be included in the critical components and materials table shall be based on the following ~/ P+ t. J; l/ }' {9 Z
; l2 R$ o2 |- H. h, m; j2 ya) The CTL clarification: “A safety critical component can only be determined upon a preliminary examination/evaluation of the electrical diagram/design/construction. When the design of the product is such that a determined component, in case of failure, can compromise the safety aspect, this component is defined as “safety critical”.
- V# _4 O' Y: t) I. P- Ab) Components, which have specific requirements in the end product standards.) x9 D5 j9 T; C# P2 ^
c) Components, which have requirements in the National Standards included in the evaluation% r9 u# F- Z. A% A/ v5 j$ s3 E2 Z. {7 w ]! V! k! f
d) Materials, which are critical to maintain compliance with the standard (such as corrosion requirements, flammability)
- ?' `7 D6 E; w! p3 Y q- J- `e) Professional judgment of the CBTL/NCB8 r2 }% w1 A7 }7 H1 Y9 x3 i& n
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发表于 2021-5-27 11:20
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:lol为啥不列呢？
[s:83][s:83]
发表于 2021-5-30 11:36
