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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& @3 m: ^
Printed wiring board assemblies (category ZPVI2)
" u0 b* q7 Y* d) `6 k) |) kOverview9 h+ G- X3 `1 P, Q
This program provides traceability for printed wiring board
) I6 l; y& ?4 d( J. P$ hassemblies. It covers materials and components of assembled- d5 x2 `) ]5 W, M$ C+ ~
printed wiring boards, including a board itself, when these can only
+ Z2 U9 i1 Q. G8 v! `% ^( rbe identified at a board assembly location. This program is used
6 n# I- s) P& }; T2 v$ q4 D7 N" }when printed wiring boards are assembled remotely from an endproduct* Z, ^8 A% }1 f& ?5 s5 S
manufacturing location and traceability of a board or its5 {6 R" X1 n5 j+ e$ V+ V
components is a concern. It is intended to address traceability of a R w2 b$ A L, K5 x) R3 b
UL Recognized board and/or components only. All other aspects of8 t1 A) c" a3 x& i H# I( w
design, spacings, etc., are evaluated as part of the UL investigation
@, }* D* \8 X- aof end-use products.Method of traceability/ D8 o1 M' {2 ~) a& k4 q0 Z
An assembler is required to keep records to trace the identity of all
4 ^3 L l% S" E$ q& m: kmaterials and components from receipt through storage, inventory,0 c4 R! y% J7 E4 ?
withdrawal, assembly, packaging and shipping. Printed wiring6 V% z8 k! ]0 J3 G
assemblies covered under the category ZPVI2 are identified by an& w" @3 Z6 P+ m! k8 [# e
assembler’s name and UL code designation on a part, shipping
, f% I' O# y, g m5 `" \container or included specification sheet. Relevant material and
' D+ h+ X4 T7 i2 pcomponent manufacturer name and type designations are marked( Z, [4 b! j3 x- v9 t$ n
on a part, shipping container or accompanying documentation. In( Y% i3 v$ m, s/ U5 I
addition, assemblies covered under this program will also bear the* P* J$ y& l( P4 Z+ ~2 E
UL Recognized Component Mark. |
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