A.10msB.100msC.1sD.1min
A.X B.Y C.M D.S
A.共有256點(diǎn) B.是根據(jù)對(duì)時(shí)鐘脈沖的累積來(lái)定時(shí)的 C.分為通電延時(shí)型和斷電延時(shí)型 D.時(shí)鐘脈沖的周期有1ms,10ms,100ms