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When measuring hazardous energy levels:
% v9 d$ f) Q8 ?! Xa) Should component open/shorts be considered when determining maximum energy& \3 ?! j: n, S1 d6 s/ {; |
levels?) z7 `, g2 b5 g
b) Should voltage tolerances per sub-clause 1.4.5 be used at the input power source?
; c/ f+ e1 _& Q: `APPLICATION GUIDELINE:: G3 S+ ]6 _2 T5 C
a) When determining maximum energy levels, component faults should not be V- f$ l8 l6 G6 A4 k
considered.
% S6 x! ]& R- R. o4 m% f1 Vb) Input power source voltage tolerances should only be considered when test results. U- ]9 r* C0 v& a9 E
are borderline pass/fail.7 h6 S7 C/ [' L# X
RATIONALE:/ i+ x. \8 C* g" P! f
a) In its compliance statement, sub-clause 2.1.1.5 indicates the equipment should be
5 l2 n1 U3 `7 E5 \- }″operating under normal operating conditions.″: k& ^2 E9 U( Z+ K! t
b) Most energy hazard measurements are associated with a regulated secondary d.c.
0 W, X: x, O& l" ]9 toutputs, so in most cases input supply tolerances will not affect the measurements.
4 V& T! o2 a0 ~0 O8 x9 `——P60950 2.1.1.5-1 |
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