2711P-RP2K/F
2711P-RP2K/F
2711P-RP2K/F
4、 DCS的控制程序是由誰執(zhí)行的?
DCS的控制決策是由過程控制站完成的，所以控制程序是由過程控制站執(zhí)行的。
5、 過程控制站的組成如何?
DCS的過程控制站是一個(gè)完整的計(jì)算機(jī)系統(tǒng)，主要由電源、CPU(中央處理器)、網(wǎng)絡(luò)接口和I/O組成
6、 I/O是什么?
控制系統(tǒng)需要建立信號(hào)的輸入和輸出通道，這就是I/O。DCS中的I/O一般是模塊化的，一個(gè)I/O模塊上有一個(gè)或多個(gè)I/O通道，用來連接傳感器和執(zhí)行器(調(diào)節(jié)閥)。
7、 什么是I/O單元?
通常，一個(gè)過程控制站是有幾個(gè)機(jī)架組成，每個(gè)機(jī)架可以擺放一定數(shù)量的模塊。CPU所在的機(jī)架被稱為CPU單元，同一個(gè)過程站中只能有一個(gè)CPU單元，其他只用來擺放I/O模塊的機(jī)架就是I/O單元。
8、I/O單元和CPU單元是如何連接的?
I/O單元與CPU是通過現(xiàn)場(chǎng)總線連接的。
【公 司】： 福建鴻飛達(dá)自動(dòng)化科技有限公司
【主 營(yíng)】： AB(羅克韋爾)PLC全系列、ABB機(jī)器人系統(tǒng)備件、施耐德140/TSX、西門子6SN/6FC、伺服系統(tǒng)全套等
【價(jià) 格】： 電議
【發(fā)布人】： 程先生
【電 話】： 15306977024 13625073704
【所在地】： 福建 - 福州
【坐 機(jī)】： 0591-83532940
【Q Q】： 2851617309
【傳 真】： 0591-88263940
【郵 箱】： 2851617309@qq.com
產(chǎn)品價(jià)格以電話或者QQ詢價(jià)為準(zhǔn)，發(fā)布價(jià)格不做參考，圖片也一樣
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