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一行白鹭上青天 发表于 2021-5-28 17:08. e V0 }- `/ S h/ s, G; p4 [
有的报告里面列了,有的,没有列,不是同一家机构。
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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 ...
- @/ J0 \5 ?' q! i% n0 _1 eod 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( C4 {7 H1 u$ D& V7 h5 s
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
; b% e8 w8 Y/ s+ l" I/ Va) 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”.1 F3 J2 F' o' h! _
b) Components, which have specific requirements in the end product standards.( C" W( S( ~$ q
c) Components, which have requirements in the National Standards included in the evaluation% r9 u# F- Z. A% A% Q6 m1 a& x9 ]: V' u
d) Materials, which are critical to maintain compliance with the standard (such as corrosion requirements, flammability)7 s* w0 X2 w7 [0 h8 I
e) Professional judgment of the CBTL/NCB+ r& m1 l2 {0 J5 V8 L9 L
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