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第二版本中共五种划分,后四种可以合并成一个非连续性特征,应该说第三版定义更加严谨点,见下面条款$ W4 g* K$ v9 N5 \! H# S
7.2.11 Mode of operation. N8 P9 E# L" T* s {. k
If no marking is provided, ME EQUIPMENT is assumed to be suitable for CONTINUOUS OPERATION.
P: K7 W- b" [! e5 V" ~For ME EQUIPMENT intended for non-CONTINUOUS OPERATION, the DUTY CYCLE shall be indicated
|4 U9 n/ m( v/ ^using an appropriate marking giving the maximum activation (on) time and the minimum2 S% U* u8 v. c d3 F. {
deactivation (off) time.
% ] B; \. f' [: _, {. V3 I从某个角度来看,绝大部分设备划分到非连续性,而这点从安全角度考虑,就必需给出最大工作周期,而这个周期是根据产品安全特性来作出决定的.8 I$ U% g9 J3 z* w/ {& j% [: N8 v2 p+ U
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以上个人看法,欢迎同行指教! |
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