上海0.2S級三相多功能電表485通訊是按IEC標(biao)準設計(ji)，與同步的(de)網絡(luo)電(dian)(dian)力(li)儀表(biao)。具(ju)有全電(dian)(dian)量測(ce)量，電(dian)(dian)能統(tong)計(ji)，電(dian)(dian)能質(zhi)量分析及網絡(luo)通訊(xun)等功能，主要用于對電(dian)(dian)網供電(dian)(dian)質(zhi)量的(de)綜合監控(kong)。該系列儀表(biao)采 用了模(mo)(mo)(mo)塊(kuai)(kuai)化設計(ji)，配(pei)合功能豐富的(de)外部 DI/DO 模(mo)(mo)(mo)塊(kuai)(kuai)、AI/AO 模(mo)(mo)(mo)塊(kuai)(kuai)、Micro SD 卡(TF 卡)事(shi)件記錄(SOE)模(mo)(mo)(mo)塊(kuai)(kuai)、網絡(luo)通訊(xun)模(mo)(mo)(mo)塊(kuai)(kuai)、溫(wen)濕度測(ce)溫(wen)模(mo)(mo)(mo)塊(kuai)(kuai)，

報警說明： 儀表帶兩組報警，每組報警可以檢測多種報警條件，包括電參量開關量輸入變化、相損、逆相序、不平 衡度、諧波等。其中開關量輸入變化和逆相序只需設置使能位，其余報警需要設定報警條件， 報警類型簡介： 1.電參量報警 過流：零值報警設置不適用于過流報警，當單相電流高于或等于動作值且滿足設定的動作延時時間， 報警大類: 過流報警 報警小類： A相過流報警 報警使能 零值報警使能上海0.2S級三相多功能電表485通訊         啟動(dong)(dong)(dong)(dong)(dong)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)；當(dang)(dang)(dang)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)低(di)于(yu)(yu)(yu)設(she)定(ding)的(de)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)且(qie)(qie)滿(man)足(zu)(zu)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)，單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)解(jie)除(chu)(chu)。 欠(qian)(qian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)：當(dang)(dang)(dang)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)低(di)于(yu)(yu)(yu)或等于(yu)(yu)(yu)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)且(qie)(qie)滿(man)足(zu)(zu)設(she)定(ding)的(de)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)，啟動(dong)(dong)(dong)(dong)(dong)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)；當(dang)(dang)(dang)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)高(gao) 于(yu)(yu)(yu)設(she)定(ding)的(de)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)且(qie)(qie)滿(man)足(zu)(zu)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)，單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)解(jie)除(chu)(chu)。 注意(yi)：當(dang)(dang)(dang)欠(qian)(qian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)使能(neng)且(qie)(qie)零值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)使能(neng)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，此(ci)(ci)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)等于(yu)(yu)(yu) 0 時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)有效；當(dang)(dang)(dang)欠(qian)(qian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)使能(neng)且(qie)(qie)零值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)禁止時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，此(ci)(ci)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)單(dan)(dan)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang) 電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)等于(yu)(yu)(yu) 0 時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)無效。 2.相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)損電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing) 當(dang)(dang)(dang)任(ren)一(yi)(yi)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(非所有電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu))等于(yu)(yu)(yu)或低(di)于(yu)(yu)(yu)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)且(qie)(qie)滿(man)足(zu)(zu)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，產(chan)(chan)生(sheng)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)損電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)；而當(dang)(dang)(dang)以下任(ren)一(yi)(yi)情 況出(chu)現(xian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)解(jie)除(chu)(chu)： 三相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)均高(gao)于(yu)(yu)(yu)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)且(qie)(qie)滿(man)足(zu)(zu)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian) 三相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)均低(di)于(yu)(yu)(yu)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)損動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi) 3.逆相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)序報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)：動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)和(he)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)及延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)不(bu)適用于(yu)(yu)(yu)逆相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)序報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)，當(dang)(dang)(dang)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)序不(bu)是 ABC 正常(chang)相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)序，產(chan)(chan)生(sheng)逆相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)序報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)。 4.DI 報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)：當(dang)(dang)(dang) DI 狀(zhuang)態(tai)(tai)由(you)初(chu)始狀(zhuang)態(tai)(tai)改(gai)變時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，產(chan)(chan)生(sheng)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)。 舉例如(ru)(ru)(ru)(ru)下： 設(she)定(ding)第一(yi)(yi)組(zu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)使能(neng)。 動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)：該(gai)(gai)(gai)(gai)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)為(wei)一(yi)(yi)次側值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)，如(ru)(ru)(ru)(ru)：設(she)定(ding)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)為(wei) 5.500A，則(ze)當(dang)(dang)(dang) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)超(chao)(chao)過(guo)(guo) 5.500A 時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)條(tiao) 件(jian)觸發(fa)(fa)，開始計(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。 動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)：當(dang)(dang)(dang)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)條(tiao)件(jian)觸發(fa)(fa)后(hou)，如(ru)(ru)(ru)(ru)果(guo) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)(yi)直(zhi)超(chao)(chao)過(guo)(guo) 5.500A，則(ze)在延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)設(she)定(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(精(jing)確(que)(que)到秒(miao))后(hou)產(chan)(chan) 生(sheng)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)記錄，記錄報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)組(zu)別(bie)(Alarm1)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)類(lei)型(A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu))，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(如(ru)(ru)(ru)(ru)：2017-5-12 14:15:20)，假(jia)如(ru)(ru)(ru)(ru) DO 關聯(lian)了(le)(le)該(gai)(gai)(gai)(gai)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)，則(ze) DO 動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(詳見 DO 設(she)置)。 恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)：該(gai)(gai)(gai)(gai)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)為(wei)一(yi)(yi)次側值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)，如(ru)(ru)(ru)(ru)：設(she)定(ding)恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)為(wei) 5.400A，在已經發(fa)(fa)生(sheng) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)后(hou)，則(ze)當(dang)(dang)(dang) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang) 電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)低(di)于(yu)(yu)(yu) 5.400A 時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，解(jie)除(chu)(chu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)條(tiao)件(jian)觸發(fa)(fa)，開始計(ji)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。 恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)：當(dang)(dang)(dang)解(jie)除(chu)(chu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)條(tiao)件(jian)觸發(fa)(fa)后(hou)，如(ru)(ru)(ru)(ru)果(guo) A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)(yi)直(zhi)低(di)于(yu)(yu)(yu) 5.400A，則(ze)在延(yan)(yan)(yan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)設(she)定(ding)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(精(jing)確(que)(que)到秒(miao)) 后(hou)產(chan)(chan)生(sheng)解(jie)除(chu)(chu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)記錄，記錄報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)組(zu)別(bie)(Alarm1)，報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)類(lei)型(A 相(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu))，解(jie)除(chu)(chu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)(如(ru)(ru)(ru)(ru)：2017-5-12 14:17:20)，假(jia)如(ru)(ru)(ru)(ru) DO 關聯(lian)了(le)(le)該(gai)(gai)(gai)(gai)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)，則(ze) DO 恢(hui)(hui)(hui)復(fu)(fu)(fu)(fu)原狀(zhuang)態(tai)(tai)。由(you)此(ci)(ci)可計(ji)算出(chu)報(bao)(bao)(bao)(bao)(bao)(bao)(bao)警(jing)(jing)(jing)(jing)(jing)(jing)(jing)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)長為(wei) 2 分鐘。