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我手头没原文件,只有UL审厂文件有如下描述,它包含整个主板(即PCB加在之上的元件),对于那原始文件,在UL网站应该能找到!!
A# o$ F& x. P' Z% Y" Z8 rPrinted wiring board assemblies (category ZPVI2)
3 N9 U. [' W7 N# D n8 o3 D0 FOverview& [+ w" l8 b2 y1 N9 [
This program provides traceability for printed wiring board, ~0 w' t: S. {6 C' y
assemblies. It covers materials and components of assembled
. W7 Y" Y$ L- ]+ _# w M0 zprinted wiring boards, including a board itself, when these can only- N! F% ^, s- ]; x! i6 v2 i0 A
be identified at a board assembly location. This program is used3 O e* f7 I2 @7 H8 H" c3 h
when printed wiring boards are assembled remotely from an endproduct
- n" q4 q# i% X4 r, l* r; h2 _& ~manufacturing location and traceability of a board or its* X. W ]0 d9 p* S! x! Y
components is a concern. It is intended to address traceability of a; `4 }4 x( M8 ]* I* r
UL Recognized board and/or components only. All other aspects of F9 I# ^' A0 Y$ v# q. [
design, spacings, etc., are evaluated as part of the UL investigation3 U J$ M. I1 e) }4 m" E
of end-use products.Method of traceability
9 p/ ]% k3 u9 a& D8 i# K9 i: U- s& P& WAn assembler is required to keep records to trace the identity of all
3 o5 k) u0 l) q$ O& @; ?materials and components from receipt through storage, inventory,: s6 J t. \0 @
withdrawal, assembly, packaging and shipping. Printed wiring% G& }/ F3 `6 N: H: ?
assemblies covered under the category ZPVI2 are identified by an [+ z ]- @) P5 v! @
assembler’s name and UL code designation on a part, shipping
$ V% B- H" } h7 Q5 f9 r$ E: H2 lcontainer or included specification sheet. Relevant material and3 k* N D: K( [& z$ H
component manufacturer name and type designations are marked
& O1 `" v$ D, t6 x. {- a; S3 X+ Won a part, shipping container or accompanying documentation. In
! f5 J' J0 _0 T8 O# M" Gaddition, assemblies covered under this program will also bear the w+ w( ~8 p! ~$ e! e
UL Recognized Component Mark. |
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