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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2 o0 X9 `# x, n
7.2.11 Mode of operation% I* V" [9 ~% ]% x9 E5 b
If no marking is provided, ME EQUIPMENT is assumed to be suitable for CONTINUOUS OPERATION.# l" w& w+ E- G2 Z( w/ C2 t
For ME EQUIPMENT intended for non-CONTINUOUS OPERATION, the DUTY CYCLE shall be indicated7 v0 R0 H* K. L3 n7 v% S$ q8 {
using an appropriate marking giving the maximum activation (on) time and the minimum
6 w# g& O2 Y: ~$ O/ A( @4 u7 Fdeactivation (off) time.( W8 P: u1 {3 e3 ^: c( x
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.. x. j; y$ ]; t: q0 L
; h4 Q' B) W5 c5 ?以上个人看法,欢迎同行指教! |
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