時(shi)(shi)(shi)(shi)間延(yan)遲(chi)(chi)被定(ding)義為兩(liang)個事(shi)件的(de)(de)(de)(de)(de)(de)(de)功(gong)能之間的(de)(de)(de)(de)(de)(de)(de)受控時(shi)(shi)(shi)(shi)期。延(yan)時(shi)(shi)(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)是機電(dian)(dian)(dian)(dian)(dian)(dian)輸出繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)和(he)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)路的(de)(de)(de)(de)(de)(de)(de)組合(he)。控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)路由控制(zhi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)動作和(he)定(ding)時(shi)(shi)(shi)(shi)范(fan)圍的(de)(de)(de)(de)(de)(de)(de)固態元件和(he)定(ding)時(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)路構成。典型的(de)(de)(de)(de)(de)(de)(de)延(yan)時(shi)(shi)(shi)(shi)功(gong)能包括開(kai)(kai)(kai)(kai)啟延(yan)遲(chi)(chi)，重(zhong)復周期（開(kai)(kai)(kai)(kai)始(shi)(shi)），間隔(ge)，關(guan)閉延(yan)遲(chi)(chi)，可重(zhong)觸發(fa)單次，重(zhong)復周期（開(kai)(kai)(kai)(kai)始(shi)(shi)），脈(mo)沖發(fa)生器(qi)(qi)(qi)，單次，開(kai)(kai)(kai)(kai)/關(guan)延(yan)遲(chi)(chi)和(he)存儲器(qi)(qi)(qi)鎖存。延(yan)時(shi)(shi)(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)具有從(cong)不到一秒到多天的(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)間范(fan)圍的(de)(de)(de)(de)(de)(de)(de)廣泛選擇。校準(zhun)的(de)(de)(de)(de)(de)(de)(de)外部旋鈕，DIP開(kai)(kai)(kai)(kai)關(guan)，指(zhi)輪開(kai)(kai)(kai)(kai)關(guan)或(huo)凹槽電(dian)(dian)(dian)(dian)(dian)(dian)位器(qi)(qi)(qi)有很多時(shi)(shi)(shi)(shi)間調整選擇。 機電(dian)(dian)(dian)(dian)(dian)(dian)輸出繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)上(shang)的(de)(de)(de)(de)(de)(de)(de)輸出觸點(dian)直接(jie)連接(jie)到輸出端子。針對每(mei)種特定(ding)類型的(de)(de)(de)(de)(de)(de)(de)延(yan)時(shi)(shi)(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)指(zhi)定(ding)觸點(dian)額定(ding)負(fu)載。時(shi)(shi)(shi)(shi)間延(yan)遲(chi)(chi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)只(zhi)是控制(zhi)內置(zhi)時(shi)(shi)(shi)(shi)間延(yan)遲(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)，其目的(de)(de)(de)(de)(de)(de)(de)是根據時(shi)(shi)(shi)(shi)間控制(zhi)事(shi)件。繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)和(he)延(yan)時(shi)(shi)(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)之間的(de)(de)(de)(de)(de)(de)(de)區別是當輸出觸點(dian)斷開(kai)(kai)(kai)(kai)時(shi)(shi)(shi)(shi)：在(zai)控制(zhi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)上(shang)，發(fa)生電(dian)(dian)(dian)(dian)(dian)(dian)壓施加并(bing)從(cong)線圈中取出時(shi)(shi)(shi)(shi); 在(zai)延(yan)時(shi)(shi)(shi)(shi)繼(ji)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)上(shang)，觸點(dian)將在(zai)預先選定(ding)的(de)(de)(de)(de)(de)(de)(de)定(ding)時(shi)(shi)(shi)(shi)間隔(ge)之前(qian)或(huo)之后打開(kai)(kai)(kai)(kai)或(huo)關(guan)閉。