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|  DSH 419
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| Internal battery for back-up power! J, p( o6 l4 e- _ q
| 6.8.2, 6.8.2 e)
& M1 I1 _5 U# \, G | 60601-1(ed.2);am1;am2
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7 X- i7 ~0 L- s. p" CStandard(s)- (year and edition):
# E$ o& P+ w4 Y7 J, c" PIEC 60601-1:1988 Ed.2 Am1+Am2$ f" f7 f8 c: e/ h2 q; _
Sub clause(s): 6.8.2 6.8.2 e)/ m6 @$ J% K I
Sheet n°: DSH-419
7 Z7 W; M% _: xSubject: Internal battery for back-up power
9 A7 t- V, A$ _! k9 F4 O' KKey words: Internal battery, Protective earth terminal7 I% l" p' O) y! @3 s
Ce confirmed by CTL at its 39th meeting, in Cologne
5 N1 R! M6 Q) h& Z- L, XQuestion:
( J& J, ]' v$ Y. \The requirement in this clause seems to be a little unreasonable. Assume for example,, }0 Q; y& c6 I6 Z3 i: m; ^
EQUIPMENT with an internal battery intended for back-up power in the event of a failure of the4 n* X' ]. X; `) P4 ?
SUPPLY MAINS as a power source. Further, how can one say whether the external" B0 {8 n1 p. b
PROTECTIVE EARTH CONDUCTOR arrangement is in doubt or not?
}7 H# M0 o- TDecision: S# G, i' o3 R
The Instructions for use shall include for CLASS I EQUIPMENT the following statement:
5 D0 l# e1 z: Z0 e! E# P( D“WARNING: THIS EQUIPMENT MUST ONLY BE CONNECTED TO A SUPPLY MAINS! k" g0 q s# F0 {- [( ^
WITH PROTECTIVE EARTH.”$ u) i, ^) H/ S8 F' D n$ z
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发表于 2012-11-5 11:05
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