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設(she)備(bei)(bei)的經典應用是使用安全按(an)鈕的串聯連(lian)接來命(ming)令帶分流脫扣(kou)線(xian)圈(quan)（BA）的開關(guan)。當設(she)備(bei)(bei)如圖所示連(lian)接時(shi)，存在Vc但沒(mei)有Vaux，繼(ji)電(dian)(dian)(dian)器(qi)(qi)斷電(dian)(dian)(dian)，BA不接收能量，繼(ji)電(dian)(dian)(dian)器(qi)(qi)RA處于報(bao)警(jing)狀態(tai)(tai)。當Vaux供電(dian)(dian)(dian)時(shi)，LEDON打(da)開，報(bao)警(jing)繼(ji)電(dian)(dian)(dian)器(qi)(qi)（RA）通(tong)電(dian)(dian)(dian)，器(qi)(qi)件處于正常工作狀態(tai)(tai)，80ms后(hou)的跳閘(zha)(zha)繼(ji)電(dian)(dian)(dian)器(qi)(qi)（RT）通(tong)電(dian)(dian)(dian)，其他80 ms安全繼(ji)電(dian)(dian)(dian)器(qi)(qi)（RS）正在通(tong)電(dian)(dian)(dian)，Led準備(bei)(bei)打(da)開。在這種情況(kuang)下(xia)，設(she)備(bei)(bei)準備(bei)(bei)好(hao)接收從(cong)常閉(bi)安全按(an)鈕（NC）跳閘(zha)(zha)的命(ming)令。從(cong)跳閘(zha)(zha)請求（NC按(an)鈕按(an)下(xia)）150 ms后(hou)，當BA執行器(qi)(qi)通(tong)電(dian)(dian)(dian)時(shi)，RT繼(ji)電(dian)(dian)(dian)器(qi)(qi)斷電(dian)(dian)(dian)，打(da)開相(xiang)關(guan)的開關(guan)。跳閘(zha)(zha)LED燈亮，READY LED關(guan)閉(bi)，遠(yuan)程燈與BA線(xian)圈(quan)并聯，在設(she)備(bei)(bei)上發出跳閘(zha)(zha)狀態(tai)(tai)，這種條件可(ke)以被儲存。以這種方式，可(ke)以使用安全按(an)鈕，即時(shi)打(da)開（無機(ji)械保持）。

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