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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8 ^. P4 Z+ p7 [( e: b9 |4 y) {
7.2.11 Mode of operation
5 a" X! C8 o, i$ T, A [: SIf no marking is provided, ME EQUIPMENT is assumed to be suitable for CONTINUOUS OPERATION.
# a: K9 E4 K+ E6 a7 B- @For ME EQUIPMENT intended for non-CONTINUOUS OPERATION, the DUTY CYCLE shall be indicated9 e B' U8 N Q; c, v& }
using an appropriate marking giving the maximum activation (on) time and the minimum
% t# I" [' Q% n+ B, R) ~7 {3 @deactivation (off) time." ]5 @) j) ~# _$ g
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., t: a& a+ U) P$ S5 |7 a" e
2 R& k4 o' V% d6 k0 Q/ a5 n+ S以上个人看法,欢迎同行指教! |
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