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人(ren)機(ji)界(jie)麵(mian)模(mo)塊(kuai)的(de)功(gong)能(neng)主(zhu)要(yao)是(shi)從(cong)控(kong)製(zhi)人(ren)員(yuan),這(zhe)一(yi)般(ban)可(ke)以(yi)通(tong)過(guo)簡(jian)單(dan)的(de)工(gong)業(ye)控(kong)製(zhi)麵(mian)板(ban)來(lai)實(shi)現(xian)接(jie)收(shou)控(kong)製(zhi)指(zhi)令(ling)。該(gai)模(mo)塊(kuai)接(jie)收(shou)該(gai)指(zhi)令(ling)後(hou),它(ta)不(bu)翻(fan)譯(yi)的(de)指(zhi)示(shi),並(bing)直(zhi)接(jie)通(tong)過(guo)RS485總線密鑰信息到主控製模塊發送。
主(zhu)控(kong)製(zhi)器(qi)是(shi)整(zheng)個(ge)照(zhao)明(ming)控(kong)製(zhi)係(xi)統(tong)的(de)核(he)心(xin)部(bu)分(fen),負(fu)責(ze)上(shang)層(ceng)控(kong)製(zhi)接(jie)口(kou)和(he)較(jiao)低(di)的(de)硬(ying)件(jian)控(kong)製(zhi)模(mo)塊(kuai)之(zhi)間(jian)的(de)連(lian)接(jie)。從(cong)控(kong)製(zhi)模(mo)塊(kuai)接(jie)收(shou)到(dao)所(suo)述(shu)密(mi)鑰(yao)信(xin)息(xi)之(zhi)後(hou),主(zhu)控(kong)製(zhi)機(ji)轉(zhuan)換(huan)成(cheng)一(yi)個(ge)二(er)進(jin)製(zhi)控(kong)製(zhi)命(ming)令(ling);然後,主控製機組成根據通過RS485總zong線xian向xiang下xia遊you總zong線xian所suo接jie收shou的de命ming令ling和he相xiang關guan的de控kong製zhi模mo塊kuai的de地di址zhi,並bing發fa送song該gai數shu據ju的de完wan整zheng的de幀zhen,每mei個ge底di部bu控kong製zhi模mo塊kuai根gen據ju所suo述shu地di址zhi匹pi配pei獲huo得de其qi自zi己ji的de數shu據ju。
底部的控製模塊是直接控製舞台燈光動作的硬件設備。由於舞台燈光的數目一般大,控製模塊的數量一般為10個20之(zhi)間(jian)的(de)所(suo)有(you)控(kong)製(zhi)模(mo)塊(kuai)被(bei)連(lian)接(jie)到(dao)同(tong)一(yi)總(zong)線(xian)並(bing)且(qie)彼(bi)此(ci)獨(du)立(li)地(di)編(bian)程(cheng)。當(dang)主(zhu)計(ji)算(suan)機(ji)將(jiang)數(shu)據(ju)發(fa)送(song)到(dao)總(zong)線(xian)上(shang),所(suo)有(you)控(kong)製(zhi)模(mo)塊(kuai)根(gen)據(ju)包(bao)含(han)在(zai)幀(zhen)結(jie)構(gou)中(zhong),並(bing)執(zhi)行(xing)它(ta)們(men)的(de)地(di)址(zhi)信(xin)息(xi)接(jie)收(shou)所(suo)述(shu)數(shu)據(ju)信(xin)息(xi),和(he)解(jie)析(xi)出(chu)自(zi)己(ji)的(de)指(zhi)令(ling)。
三個模塊以固定波特率經由RS485總線和發送數據彼此通信。舞台燈光控製係統的控製模塊的主要功能有兩個方麵:一方麵是與主計算機通信,並從上層接收指令。第二個是根據指令來控製光作用來控製硬件電路。
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