6ES7277-0AA22-0XA0

（1）PIE?，F(xiàn)場每1臺拉絲機(jī)都是1套完整的PLC控制系統(tǒng)，可將工藝參數(shù)通過PLC的程序?qū)崿F(xiàn)出來，并且在PLC的CPU內(nèi)部儲存，同時可通過PROFIBUS—DP現(xiàn)場總線實(shí)時在線的在操作員站上顯現(xiàn)出來。

（2）現(xiàn)場控制站?，F(xiàn)場控制站包括現(xiàn)場總線模塊、冗余主控制器和通訊模塊?，F(xiàn)場總線模塊（包括模擬量I／0、開關(guān)量I／0）是一個大規(guī)模的I／0處理系統(tǒng)，是直接與現(xiàn)場打交道的設(shè)備，對由現(xiàn)場設(shè)備傳回的數(shù)據(jù)進(jìn)行采集、信號處理、隔離濾波等數(shù)據(jù)處理；主控制器則進(jìn)行各類控制運(yùn)算、測量數(shù)據(jù)量程變換、非線性特性的自動補(bǔ)償、計(jì)算機(jī)數(shù)制到工程數(shù)制轉(zhuǎn)換；通訊模塊實(shí)現(xiàn)各控制單元、終端和服務(wù)器進(jìn)行通訊。

（3）操作員站。是操作員對過程與系統(tǒng)的接口，既有人機(jī)圖形界面的監(jiān)控功能，又能實(shí)現(xiàn)系統(tǒng)組態(tài)和數(shù)據(jù)通信，實(shí)現(xiàn)現(xiàn)場數(shù)據(jù)的管理及網(wǎng)絡(luò)數(shù)據(jù)共享。

（4）網(wǎng)絡(luò)。包括監(jiān)控網(wǎng)絡(luò)（M—Net）、系統(tǒng)網(wǎng)絡(luò)（C—Net）、現(xiàn)場總線（PROFIBUS—DP）。監(jiān)控網(wǎng)絡(luò)實(shí)現(xiàn)工程師站、操作員站與系統(tǒng)服務(wù)器的互連，系統(tǒng)網(wǎng)絡(luò)實(shí)現(xiàn)現(xiàn)場控制站與系統(tǒng)服務(wù)器的互連，現(xiàn)場總線采用實(shí)現(xiàn)現(xiàn)場主控制器與I／0模塊的通信。

6ES7277-0AA22-0XA0
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