描述
伺服驅(qū)動器方面：
伺服驅(qū)動器在開展了變頻技能的前提下，在驅(qū)動器內(nèi)部的電流環(huán)，速度環(huán)和方位環(huán)(變頻器沒有該環(huán))都進(jìn)行了比通常變頻更準(zhǔn)確的操控技能和算法運(yùn)算，在功能上也比傳統(tǒng)的伺服強(qiáng)大許多，主要的一點(diǎn)能夠進(jìn)行準(zhǔn)確的方位操控。經(jīng)過上位操控器發(fā)送的脈沖序列來操控速度和方位(當(dāng)然也有些伺服內(nèi)部集成了操控單元或經(jīng)過總線通訊的方法直接將方位和速度等參數(shù)設(shè)定在驅(qū)動器里)，驅(qū)動器內(nèi)部的算法和更快更準(zhǔn)確的計(jì)算以及性能更優(yōu)良的電子器件使之更優(yōu)越于變頻器。PLC培訓(xùn)班
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據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余（TMR）
結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
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