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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!!* \9 g7 x/ \. b! [& o
Printed wiring board assemblies (category ZPVI2)
7 C, ~8 x) a( H7 q( j: [Overview
# x1 W- h. i+ _3 c, {This program provides traceability for printed wiring board6 V. O; z q* H/ d
assemblies. It covers materials and components of assembled2 D7 @( D. |( y% V8 Q3 `
printed wiring boards, including a board itself, when these can only" F. ^3 \# W9 @* `$ J4 I: I/ a6 W
be identified at a board assembly location. This program is used
9 Y5 M& o; e* e( l/ B7 I8 xwhen printed wiring boards are assembled remotely from an endproduct
1 H; \0 a" |9 r8 ~0 O$ o Amanufacturing location and traceability of a board or its
9 g ~, X& A! Y1 G' X* C; g. [4 ]; k Ecomponents is a concern. It is intended to address traceability of a
u0 |/ P8 H xUL Recognized board and/or components only. All other aspects of
, k4 i1 k6 L! Ndesign, spacings, etc., are evaluated as part of the UL investigation
' }. \" F- E, R* Y- t* vof end-use products.Method of traceability
1 v& P( ?/ _7 X/ S: V! qAn assembler is required to keep records to trace the identity of all, Z# k1 Z5 t T r
materials and components from receipt through storage, inventory,
' j3 `2 ~. j, l" I2 H3 xwithdrawal, assembly, packaging and shipping. Printed wiring% R+ a) N3 D( k0 W( }2 A5 ~* j
assemblies covered under the category ZPVI2 are identified by an
5 R+ p+ k2 i" `' p; |assembler’s name and UL code designation on a part, shipping
9 y) a2 _$ l5 c. @2 Rcontainer or included specification sheet. Relevant material and
4 n: \' `1 b3 r4 @4 y( D. ccomponent manufacturer name and type designations are marked! e: F9 q% q" M6 e/ d# R1 x3 o9 {- ]
on a part, shipping container or accompanying documentation. In4 \9 P5 L- R$ Z) a$ v# N
addition, assemblies covered under this program will also bear the
, [" Q% L/ o2 S& _) h/ \; kUL Recognized Component Mark. |
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