現代石油化(hua)(hua)(hua)工(gong)企業均設(she)(she)置自動(dong)化(hua)(hua)(hua)控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，大多數企業設(she)(she)置不(bu)止一(yi)(yi)套(tao)(tao)控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，有(you)基本生產(chan)過程(cheng)控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)（BPCS）、安全(quan)(quan)儀表系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)（SIS）、可燃有(you)毒氣體檢測報警(jing)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)（GDS），還有(you)成套(tao)(tao)設(she)(she)備(bei)自帶的(de)(de)控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，有(you)的(de)(de)企業有(you)多套(tao)(tao)設(she)(she)置，每(mei)套(tao)(tao)裝置設(she)(she)置一(yi)(yi)套(tao)(tao)或幾(ji)套(tao)(tao)控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)，控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)可能(neng)分布在(zai)(zai)各裝置區內，雖(sui)然通(tong)過相互通(tong)訊，把各個系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)聯(lian)系(xi)(xi)(xi)(xi)(xi)起來(lai)，避免了(le)自動(dong)化(hua)(hua)(hua)孤島，方便了(le)統(tong)(tong)(tong)(tong)(tong)一(yi)(yi)管(guan)理、統(tong)(tong)(tong)(tong)(tong)一(yi)(yi)調度、提(ti)高安全(quan)(quan)生產(chan)水平，增(zeng)加了(le)生產(chan)效益。但也帶來(lai)了(le)一(yi)(yi)些問(wen)題如各控(kong)制(zhi)(zhi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)時(shi)鐘(zhong)(zhong)同(tong)步(bu)(bu)(bu)問(wen)題。時(shi)鐘(zhong)(zhong)同(tong)步(bu)(bu)(bu)的(de)(de)目(mu)的(de)(de)是(shi)使(shi)(shi)DCS系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)內部和其它系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)之間(jian)的(de)(de)時(shi)間(jian)標記數據一(yi)(yi)致。DCS具備(bei)使(shi)(shi)網絡中(zhong)(zhong)各個節點的(de)(de)時(shi)鐘(zhong)(zhong)同(tong)步(bu)(bu)(bu)的(de)(de)功能(neng)。在(zai)(zai)實際應(ying)用中(zhong)(zhong)，當(dang)需(xu)要與其它系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)時(shi)鐘(zhong)(zhong)同(tong)步(bu)(bu)(bu)時(shi)，由DCS向第三(san)(san)方應(ying)用計(ji)算(suan)機或網絡發布時(shi)鐘(zhong)(zhong)同(tong)步(bu)(bu)(bu)信號(hao)，第三(san)(san)方計(ji)算(suan)機設(she)(she)備(bei)與DCS同(tong)步(bu)(bu)(bu)。GPS和北(bei)斗(dou)衛星(xing)授(shou)時(shi)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)衛星(xing)同(tong)步(bu)(bu)(bu)時(shi)鐘(zhong)(zhong)技術在(zai)(zai)石油化(hua)(hua)(hua)工(gong)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)中(zhong)(zhong)的(de)(de)使(shi)(shi)用，能(neng)夠有(you)效地(di)減少檢修和運行人員的(de)(de)工(gong)作(zuo)量(liang)，使(shi)(shi)石化(hua)(hua)(hua)企業內部的(de)(de)運行設(she)(she)備(bei)得到統(tong)(tong)(tong)(tong)(tong)一(yi)(yi)、標準的(de)(de)時(shi)間(jian)基準，方便了(le)設(she)(she)備(bei)運行，提(ti)高了(le)石化(hua)(hua)(hua)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)中(zhong)(zhong)自動(dong)化(hua)(hua)(hua)的(de)(de)水平。能(neng)源系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)子(zi)母鐘(zhong)(zhong)建(jian)設(she)(she)方案推(tui)薦。浙(zhe)江考場子(zi)母鐘(zhong)(zhong)案例

標準時(shi)鐘(zhong)(zhong)系(xi)統(tong)之同步校對(dui)(dui)功能(neng)系(xi)統(tong)通過衛星信號接(jie)收天線不間斷接(jie)收GPS/北斗衛星發(fa)送的(de)(de)時(shi)間碼(ma)及其(qi)相關代碼(ma)，并對(dui)(dui)接(jie)收到(dao)的(de)(de)數(shu)據(ju)進行分析，判斷這些數(shu)據(ju)是(shi)否真(zhen)實(shi)可(ke)(ke)靠。如果(guo)數(shu)據(ju)可(ke)(ke)靠即(ji)被衛星網絡(luo)母(mu)(mu)(mu)鐘(zhong)(zhong)采用，如果(guo)數(shu)據(ju)不可(ke)(ke)靠便放棄，下次繼(ji)續接(jie)收。網絡(luo)子(zi)鐘(zhong)(zhong)是(shi)個(ge)的(de)(de)顯示單元，可(ke)(ke)以脫(tuo)離衛星網絡(luo)母(mu)(mu)(mu)鐘(zhong)(zhong)單獨運(yun)行，同時(shi)又能(neng)主動(dong)請求(qiu)衛星網絡(luo)母(mu)(mu)(mu)鐘(zhong)(zhong)的(de)(de)標準時(shi)間信息，網絡(luo)母(mu)(mu)(mu)鐘(zhong)(zhong)對(dui)(dui)其(qi)實(shi)時(shi)校對(dui)(dui)。為了確保接(jie)收到(dao)的(de)(de)信息是(shi)真(zhen)實(shi)的(de)(de)、可(ke)(ke)靠的(de)(de)，網絡(luo)母(mu)(mu)(mu)鐘(zhong)(zhong)對(dui)(dui)接(jie)收到(dao)的(de)(de)請求(qiu)信息進行嚴格分析、判斷，排除干擾(rao)信息。西藏(zang)能(neng)源系(xi)統(tong)子(zi)母(mu)(mu)(mu)鐘(zhong)(zhong)案(an)例電力子(zi)母(mu)(mu)(mu)鐘(zhong)(zhong)推薦成都引眾數(shu)字設備有限公(gong)司。

子(zi)(zi)(zi)(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘是(shi)一種(zhong)授(shou)時(shi)(shi)(shi)(shi)(shi)的(de)時(shi)(shi)(shi)(shi)(shi)鐘系(xi)統，它(ta)是(shi)由子(zi)(zi)(zi)(zi)(zi)(zi)鐘和母(mu)(mu)(mu)(mu)(mu)鐘組成(cheng)的(de)。子(zi)(zi)(zi)(zi)(zi)(zi)鐘是(shi)一種(zhong)顯示時(shi)(shi)(shi)(shi)(shi)間(jian)的(de)設備(bei)(bei)，它(ta)可(ke)以分為(wei)(wei)指針(zhen)式(shi)子(zi)(zi)(zi)(zi)(zi)(zi)鐘、數字式(shi)子(zi)(zi)(zi)(zi)(zi)(zi)鐘、LED子(zi)(zi)(zi)(zi)(zi)(zi)鐘。而(er)母(mu)(mu)(mu)(mu)(mu)鐘是(shi)一種(zhong)授(shou)時(shi)(shi)(shi)(shi)(shi)的(de)設備(bei)(bei)，母(mu)(mu)(mu)(mu)(mu)鐘一般(ban)被稱為(wei)(wei)時(shi)(shi)(shi)(shi)(shi)間(jian)服(fu)務(wu)器(qi)(qi)、時(shi)(shi)(shi)(shi)(shi)鐘服(fu)務(wu)器(qi)(qi)、時(shi)(shi)(shi)(shi)(shi)間(jian)同步服(fu)務(wu)器(qi)(qi)、時(shi)(shi)(shi)(shi)(shi)鐘同步服(fu)務(wu)器(qi)(qi)等。子(zi)(zi)(zi)(zi)(zi)(zi)鐘和母(mu)(mu)(mu)(mu)(mu)鐘相結合的(de)使(shi)用方(fang)(fang)式(shi)就(jiu)被稱為(wei)(wei)子(zi)(zi)(zi)(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘系(xi)統。一般(ban)子(zi)(zi)(zi)(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘系(xi)統的(de)授(shou)時(shi)(shi)(shi)(shi)(shi)方(fang)(fang)式(shi)是(shi)通(tong)過網(wang)絡形式(shi)進行(xing)傳(chuan)輸時(shi)(shi)(shi)(shi)(shi)間(jian)信(xin)(xin)息的(de)，這(zhe)(zhe)樣的(de)授(shou)時(shi)(shi)(shi)(shi)(shi)方(fang)(fang)式(shi)使(shi)用簡單方(fang)(fang)便。母(mu)(mu)(mu)(mu)(mu)鐘所提供的(de)時(shi)(shi)(shi)(shi)(shi)間(jian)信(xin)(xin)息是(shi)衛(wei)(wei)星(xing)(xing)(xing)時(shi)(shi)(shi)(shi)(shi)間(jian)，并通(tong)過網(wang)絡授(shou)時(shi)(shi)(shi)(shi)(shi)方(fang)(fang)式(shi)傳(chuan)輸給子(zi)(zi)(zi)(zi)(zi)(zi)鐘，這(zhe)(zhe)種(zhong)時(shi)(shi)(shi)(shi)(shi)間(jian)信(xin)(xin)息更為(wei)(wei)準確(que)。子(zi)(zi)(zi)(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘系(xi)統的(de)應(ying)用一般(ban)由網(wang)絡子(zi)(zi)(zi)(zi)(zi)(zi)鐘和母(mu)(mu)(mu)(mu)(mu)鐘，也就(jiu)是(shi)時(shi)(shi)(shi)(shi)(shi)間(jian)服(fu)務(wu)器(qi)(qi)組成(cheng)。在應(ying)用過程(cheng)中網(wang)絡子(zi)(zi)(zi)(zi)(zi)(zi)鐘根(gen)據場(chang)景不(bu)同可(ke)選擇，指針(zhen)式(shi)網(wang)絡子(zi)(zi)(zi)(zi)(zi)(zi)鐘、數字式(shi)網(wang)絡子(zi)(zi)(zi)(zi)(zi)(zi)鐘、天文作戰(zhan)時(shi)(shi)(shi)(shi)(shi)鐘、醫(yi)院手術室時(shi)(shi)(shi)(shi)(shi)鐘等。而(er)時(shi)(shi)(shi)(shi)(shi)間(jian)服(fu)務(wu)器(qi)(qi)也可(ke)根(gen)據使(shi)用場(chang)景和環(huan)境不(bu)同可(ke)選擇，GPS北斗雙衛(wei)(wei)星(xing)(xing)(xing)授(shou)時(shi)(shi)(shi)(shi)(shi)，或(huo)者(zhe)在一些受限于GPS衛(wei)(wei)星(xing)(xing)(xing)的(de)行(xing)業可(ke)選擇北斗衛(wei)(wei)星(xing)(xing)(xing)授(shou)時(shi)(shi)(shi)(shi)(shi)。時(shi)(shi)(shi)(shi)(shi)間(jian)服(fu)務(wu)器(qi)(qi)還可(ke)根(gen)據授(shou)時(shi)(shi)(shi)(shi)(shi)設備(bei)(bei)的(de)數量(liang)，從(cong)而(er)改變(bian)網(wang)口(kou)為(wei)(wei)千兆或(huo)百兆。根(gen)據授(shou)時(shi)(shi)(shi)(shi)(shi)的(de)種(zhong)類增加網(wang)口(kou)信(xin)(xin)息、串口(kou)信(xin)(xin)息、B碼(ma)信(xin)(xin)息、PTP信(xin)(xin)息等。

標準化考場時(shi)鐘(zhong)系統(tong)(tong)(tong)由放置(zhi)于弱(ruo)電機房或監控(kong)中心(xin)的(de)(de)母鐘(zhong)，和分(fen)(fen)散(san)布置(zhi)于各考室(shi)、走廊(lang)、監控(kong)管(guan)(guan)理室(shi)的(de)(de)子(zi)鐘(zhong)，以(yi)及配套的(de)(de)時(shi)鐘(zhong)管(guan)(guan)理系統(tong)(tong)(tong)軟件(jian)組(zu)(zu)成(cheng)。時(shi)鐘(zhong)管(guan)(guan)理系統(tong)(tong)(tong)軟件(jian)用于子(zi)鐘(zhong)、母鐘(zhong)的(de)(de)運(yun)維(wei)、管(guan)(guan)理、監控(kong)，可(ke)通(tong)過軟件(jian)修(xiu)改設(she)(she)備(bei)參數，如(ru)：設(she)(she)置(zhi)系統(tong)(tong)(tong)時(shi)間，修(xiu)改時(shi)區(qu)，啟停(ting)，設(she)(she)備(bei)啟停(ting)，還可(ke)以(yi)實現軟件(jian)在線升(sheng)級(ji)、設(she)(she)備(bei)運(yun)行(xing)狀(zhuang)態監控(kong)等(deng)操作，簡化了現場安裝(zhuang)(zhuang)、管(guan)(guan)理與(yu)維(wei)護工作。標準化考場時(shi)鐘(zhong)系統(tong)(tong)(tong)由放置(zhi)于弱(ruo)電機房或監控(kong)中心(xin)的(de)(de)母鐘(zhong)，和分(fen)(fen)散(san)布置(zhi)于各考室(shi)、走廊(lang)、監控(kong)管(guan)(guan)理室(shi)的(de)(de)子(zi)鐘(zhong)，以(yi)及配套的(de)(de)時(shi)鐘(zhong)管(guan)(guan)理系統(tong)(tong)(tong)軟件(jian)組(zu)(zu)成(cheng)。時(shi)鐘(zhong)管(guan)(guan)理系統(tong)(tong)(tong)軟件(jian)用于子(zi)鐘(zhong)、母鐘(zhong)的(de)(de)運(yun)維(wei)、管(guan)(guan)理、監控(kong)，可(ke)通(tong)過軟件(jian)修(xiu)改設(she)(she)備(bei)參數，如(ru)：設(she)(she)置(zhi)系統(tong)(tong)(tong)時(shi)間，修(xiu)改時(shi)區(qu)，啟停(ting)，設(she)(she)備(bei)啟停(ting)，還可(ke)以(yi)實現軟件(jian)在線升(sheng)級(ji)、設(she)(she)備(bei)運(yun)行(xing)狀(zhuang)態監控(kong)等(deng)操作，簡化了現場安裝(zhuang)(zhuang)、管(guan)(guan)理與(yu)維(wei)護工作。成(cheng)都引眾是國內(nei)較(jiao)早致(zhi)力于子(zi)母鐘(zhong)時(shi)間綜合測量儀等(deng)設(she)(she)備(bei)的(de)(de)研發/制造/安裝(zhuang)(zhuang)/測試/服(fu)務于一體的(de)(de)企業(ye)。

標準時(shi)間小鐘(zhong)定制型小標準時(shi)間掛鐘(zhong)采用數碼(ma)管方(fang)式(shi)顯示。支持通過網(wang)絡(luo)NTP或無線(xian)方(fang)式(shi)得(de)到授時(shi)信(xin)號(hao)。顯示格式(shi)為：年、月(yue)、日(ri)、時(shi)、分(fen)、秒、星期。具(ju)備(bei)搖控開(kai)關機功(gong)能(neng)。NTP網(wang)絡(luo)授時(shi)同步(bu)(bu)精度優于5ms，無線(xian)授時(shi)同步(bu)(bu)精度優于25ms,24小時(shi)守(shou)時(shi)精度優于20ms；長(chang)寬(kuan)厚尺寸分(fen)別為486×187×51單(dan)位mm；220V電源供電，電線(xian)長(chang)度不少于1.5m；搖控方(fang)式(shi)具(ju)有避免(mian)其(qi)他信(xin)號(hao)干擾功(gong)能(neng)。通過網(wang)絡(luo)遙(yao)控有登錄密碼(ma)功(gong)能(neng)，無線(xian)信(xin)號(hao)增加設(she)備(bei)號(hao)檢驗功(gong)能(neng)，紅(hong)外遙(yao)控器(qi)具(ju)有自鎖功(gong)能(neng)，從(cong)而提高設(she)備(bei)的抗(kang)干擾能(neng)力(li)。法院子(zi)母鐘(zhong)推薦(jian)成都引眾(zhong)數字設(she)備(bei)有限公司。天津石(shi)化系統子(zi)母鐘(zhong)經銷商(shang)

成(cheng)都引眾(zhong)的(de)母鐘為1U、19英寸標準機架式機箱，輸出(chu)接(jie)口(kou)有2路RS232串行(xing)信號(hao)，適應各種(zhong)不同(tong)設備的(de)校時需(xu)要。浙江考場子母鐘案(an)例

安(an)(an)(an)裝(zhuang)及(ji)連(lian)接(jie)布(bu)線：母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)安(an)(an)(an)裝(zhuang)：母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)（衛(wei)星(xing)同(tong)(tong)步時(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)）的(de)(de)(de)外形是(shi)個19英(ying)寸1U標準上架式(shi)機(ji)箱，可以(yi)(yi)和(he)網絡(luo)交(jiao)換(huan)(huan)機(ji)等其他(ta)設(she)備安(an)(an)(an)裝(zhuang)在(zai)(zai)同(tong)(tong)一服務(wu)器機(ji)架內，也可以(yi)(yi)平放在(zai)(zai)其他(ta)工作平面上。母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)天(tian)線的(de)(de)(de)安(an)(an)(an)裝(zhuang)：母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)天(tian)線的(de)(de)(de)兩端(duan)接(jie)口，出廠(chang)(chang)(chang)時(shi)(shi)(shi)已經做好。一般(ban)天(tian)線探頭(tou)需(xu)要(yao)安(an)(an)(an)裝(zhuang)在(zai)(zai)樓(lou)頂露天(tian)較開闊地帶，另一頭(tou)接(jie)在(zai)(zai)母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)背(bei)面接(jie)線端(duan)子(zi)上。子(zi)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)安(an)(an)(an)裝(zhuang)：子(zi)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)安(an)(an)(an)裝(zhuang)根(gen)據需(xu)要(yao)安(an)(an)(an)裝(zhuang)的(de)(de)(de)實際地點固定即可。一般(ban)為壁掛(gua)式(shi)和(he)吊掛(gua)式(shi)兩種。母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)與時(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)管(guan)理(li)系統的(de)(de)(de)連(lian)接(jie)：系統出廠(chang)(chang)(chang)時(shi)(shi)(shi)配(pei)有(you)連(lian)接(jie)線，1端(duan)接(jie)入時(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)管(guan)理(li)系統電(dian)腦主機(ji)的(de)(de)(de)232串口，另1端(duan)接(jie)入母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)（衛(wei)星(xing)同(tong)(tong)步時(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)）的(de)(de)(de)維(wei)護(hu)端(duan)口。母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)與網絡(luo)的(de)(de)(de)連(lian)接(jie)：母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)出廠(chang)(chang)(chang)時(shi)(shi)(shi)標配(pei)有(you)3米(mi)長度的(de)(de)(de)網線，只(zhi)要(yao)將其兩端(duan)RJ45水晶插頭(tou)分別母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)NTP網絡(luo)對時(shi)(shi)(shi)模(mo)塊(kuai)相應(ying)插口及(ji)網絡(luo)交(jiao)換(huan)(huan)機(ji)的(de)(de)(de)RJ45口就行(xing)。母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)與子(zi)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)連(lian)接(jie)：母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)差分485驅(qu)動模(mo)塊(kuai)具有(you)8對信號輸出端(duan)，每一對端(duan)子(zi)可以(yi)(yi)為多128個以(yi)(yi)內的(de)(de)(de)子(zi)時(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)群提供授時(shi)(shi)(shi)。浙江考場子(zi)母(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)案例(li)

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