DSH 295 Object

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小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

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可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

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DSH 295 : a) v3 ?5 l4 y6 m7 P

Object - t1 |0 d% I5 I

1.2

61010-1(ed.1);am1;am2

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Standard:
9 o2 P3 T) j$ z* S5 e- ?. S- @IEC 61010-1:1990
$ B2 O4 t! x( p* G0 k) j0 @+A1:1992+A2:1995
. Q" f! x1 d/ u& J) @Sub clause:
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Sheet n. 295
Page 1(1)
Subject:
Object
. {! R5 e, [$ s1 @9 h# f  cKey words:
- Scope
- Software Safety
3 s" q& ~% ~9 \+ z2 b/ Z$ gDecision taken by
ETF3 and confirmed
- I+ _5 V" C) g3 B8 vby CTL at its 38th
meeting, in Toronto
' P: d/ v, M- M: aQuestion:
, _4 J# g5 B: X, p. E  d( [If safety is dependent on Software, what criteria do laboratories employ to ensure
compliance?
- ]3 R5 w! B% K) K: X1 a1 O+ r& A8 O0 IDecision:
/ Z4 E! n* s* V: x  H$ b; ~Software safety is not specifically addressed in IEC 61010-1 at present and therefore, there
are no specific guidelines for this work. A draft collateral standard is in preparation and also
/ h7 t, W, M5 L2 M. n8 V/ U# |IEC 61508 deals with this topic.
8 |$ ]5 q, }: p0 @2 {1 [9 _8 `/ Q+ B6 d2 NGenerally, it is advised that devices should not be dependent on software alone for their
safety. There should be a separate independent means provided which acts to prevent a
dangerous condition arising.
: j& }; u2 [. tExplanation:
7 w* A7 S* \  nExperience shows that the analysis of software systems to ensure their safe operation is very
difficult and in practice, can only provide a measure of confidence. Additionally, the
7 f2 h4 {6 s0 }0 j0 t# T) Kmethods of performing the examination are not widely agreed upon and therefore, subject to
doubt. In these circumstances, it is preferred to adopt safety limit methods known from
experience to be effective.
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