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3.5.9
, i6 S' z7 O" h2 p. l/ G8 tNORMAL CONDITION
: m2 f- S* M1 a' vcondition in which all means for protection against HAZARDS are intact
4 j* [: Q: d# G h3 V' Z3.5.10 1 D5 {. M. {) A
SINGLE FAULT CONDITION+ G- W' f+ W3 R) b9 ?
condition in which one means for protection against HAZARD is defective or one fault is present
0 V6 H9 }$ r7 x$ s2 u7 l) o% Ywhich could cause a HAZARD* F9 ^- i. L, O
NOTE If a SINGLE FAULT CONDITION results unavoidably in one or more other fault conditions, all the failures are
' ?2 n. t0 B5 b& O2 C( \: _' {% q' vconsidered as one SINGLE FAULT CONDITION [IEC Guide 104].
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