|
|
|  DSH 419. `% E# B) `! F- L; ~$ y
7 S* q3 R1 a- o- q
| Internal battery for back-up power
$ r4 ^! w: b! a) I! J | 6.8.2, 6.8.2 e)& ]" l5 Z# K$ _8 d% p, W5 A. D
| 60601-1(ed.2);am1;am2
! t' a7 h. b* Y4 M6 f: o8 i, j |
: E/ e4 K( D' I7 G+ L5 ~- u+ p
Standard(s)- (year and edition):
5 `9 V. s* o, s8 i ^IEC 60601-1:1988 Ed.2 Am1+Am2
( r: }! M6 ?, v/ n$ }5 z5 NSub clause(s): 6.8.2 6.8.2 e)
" Y2 y4 E' a% A/ x* d4 cSheet n°: DSH-419+ i& g2 c- r/ O: a l
Subject: Internal battery for back-up power9 r% E# P4 P ^ F* D( Z! V. @
Key words: Internal battery, Protective earth terminal
O$ [1 h ~' c! rCe confirmed by CTL at its 39th meeting, in Cologne, h- x& j$ P5 `
Question:. w, _4 n% A( i6 Y
The requirement in this clause seems to be a little unreasonable. Assume for example,' Y( f* {4 K- j% y" Z
EQUIPMENT with an internal battery intended for back-up power in the event of a failure of the
( Q( j8 }/ W9 aSUPPLY MAINS as a power source. Further, how can one say whether the external
& A2 b* i; Y3 W2 ^. Y+ XPROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not?
( @( `: j) N$ W+ ZDecision:$ K7 ~: Z1 Z; z
The Instructions for use shall include for CLASS I EQUIPMENT the following statement:
# i/ K& U4 E; z) F1 P3 n“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS- O6 p3 ~, G( j
WITH PROTECTIVE EARTH.”3 G6 p0 t) b, [' O8 p! S& }1 ^
! ^$ U4 k1 t! Y- v
% n1 X9 ^7 f" T' w: G1 T( d; u |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-11-5 11:05
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡